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 [Search a list of Patent Appplications for class 504]   CLASS 504,PLANT PROTECTING AND REGULATING COMPOSITIONS
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SECTION I - CLASS DEFINITION

STATEMENT OF CLASS SUBJECT MATTER

This class provides for compositions for treating living terrestrial and aquatic plants or their habitats for the purpose of stimulating or inhibiting growth, or any regulating action on plant growth, and the processes of using such compositions or compounds, per se, for such purposes which are not more than their mere application to the plant or habitat. The compositions or compounds included in this class will alter the plant growth through a chemical modification of the plant metabolism.

This class also provides for: (1) Seeds coated or impregnated with agricultural chemicals other than fertilizers, e.g., antidotes, plant growth regulators, micro-organisms, fungicides, disinfectants, etc. (2) Processes and their products which are of definite fertilizer value and are also insecticides, fungicides, or deodorants. These patents are cross-referenced to Classes 424 and 514. (3) Antidotal compositions, i.e., compositions which contain compounds capable of protecting cultivated plants from being damaged by herbicidal chemicals without affecting the herbicidal action of said chemicals against the weeds or unwanted plants to be controlled. (4) Soil life extenders, i.e., compositions which contain a herbicide and a compound useful for extending the soil life of said herbicide. (5) Compositions for preserving cut flowers. (6) Compositions for stimulating or increasing the sprouting of seeds, roots, tubers, or bulbs. (7) Compositions for regulating aquatic plants, particularly algae. (8) Compositions for regulating plant growth which use micro-organisms or products derived therefrom.

CLASSIFICATION GUIDELINES FOR THIS CLASS

In this class the chemical structure of the ingredient disclosed as having a utility set forth in the Statement of Class Subject Matter, above, is used as the primary basis of classification. Processes of using compositions or compounds, per se, and processes of making compositions, not provided for elsewhere are classified in the first appearing subclass providing for the particular active ingredient being employed or prepared.

The subclasses drawn to plural active ingredients include compositions which contain two or more active plant growth regulating agents, e.g., two or more herbicides.

No weight is given to a synergist or potentiator agent in classifying a composition for this class unless the synergist or potentiator agent is also an active plant growth regulator.

A patent claiming a Class 504 active ingredient broadly in terms of its function in combination with a specific adjuvant or carrier has been classified as original in the first appearing subclass providing for any one of the disclosed specific active ingredients and cross-referenced to all other subclasses providing for the remaining disclosed active ingredients.

SECTION II - NOTES TO THE CLASS DEFINITION

(1) Note. Compounds included within this definition, but not considered organic are hydrocyanic acid, cyanogen, isocyanic acid, cyanamide, dicyanamide, cyanogen halides, isothiocyanic acid, fulminic acid, and metal carbides.

SECTION III - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS

GENERAL GUIDELINES:

(1) Compositions which are disclosed as having a plurality of functions provided for in different main classes and only a single use, property, or function is claimed, are originally classified in the composition class providing for such claimed use, property, or function and cross-referenced to other classes for disclosed uses, properties, or functions when desirable.

(2) The rules for determining Class placement of the Original Reference (OR) for claimed chemical compositions are set forth in the Class Definition of Class 252 in the section LINES WITH OTHER CLASSES AND WITHIN THIS CLASS, subsection COMPOSITION CLASS SUPERIORITY, which includes a hierarchical ORDER OF SUPERIORITY FOR COMPOSITION CLASSES.

SEARCHING OF FOREIGN PATENTS IN THIS CLASS (504)

The foreign patents for subclasses 100 and 103-357 of Class 504 have been placed in the International Patent Classification System (in subclass A01N) and will be searched in that system according to its rules of classification.

SECTION IV - REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:

47Plant Husbandry,   subclass 57.6 for processes of treating the soil and its product (1) which do not involve the application of a specific plant growth regulating composition to terrestrial or aquatic plants or their habitats, or (2) which are more than mere application of a specific composition to the plant or the soil, e.g., include some mechanical manipulation of the plant or soil. Search particularly subclass 57.6 for coated or impregnated seeds not more specifically provided for elsewhere.
71Chemistry: Fertilizers,   for compositions having a nutrient or fertilizing effect on plant growth and methods of using such compositions, and for compositions of seeds and fertilizers. Compositions which include a plant stimulant and a fertilizer are classified in Class 504.
204Chemistry: Electrical and Wave Energy,   appropriate subclasses for electrical or wave energy methods involving chemical reactions which are caused by more than the mere thermal effects of the electrical or wave energy for the preparation of compounds or elements useful for plant growth regulating compositions.
424Drug, Bio-Affecting and Body Treating Compositions,   appropriate subclasses for processes of application of insecticides, fungicides, fumigants, disinfectants, etc., to plants or soil as well as seeds coated with a Class 424 composition wherein the seed functions as a bait material. Compositions which include a plant growth regulator and a biocide are classified in Class 504. If claims are drawn to a "pesticide" composition or method without specifically reciting the nature of the "pest" to be controlled or eradicated, the patent is placed as an original in Class 424 or 514 when only a Class 424 or 514 type of "pest" (e.g., fungi, insect, rodent, etc.) is revealed in the patent disclosure. However, if both Class 504 and Class 424 or 514 types of "pest" are specifically disclosed or if no disclosure is made as to the specific type of pest, the patent is placed in Class 504 as an original and cross-referenced to Class 424 or 514.
435Chemistry: Molecular Biology and Microbiology,   for making, separating, or purifying substances by processes that include fermentations; for processes of making or treating living organisms, enzymes, or ferments; and for compositions or apparatus for use in such processes.
514Drug, Bio-Affecting and Body Treating Compositions,   appropriate subclasses for processes of application of insecticides, fungicides, fumigants, disinfectants, etc., to plants or soil as well as seeds coated with a Class 514 composition wherein the seed functions as a bait material. Compositions which include a plant growth regulator and a biocide are classified in Class 504. If claims are drawn to a "pesticide" composition or method without specifically reciting the nature of the "pest" to be controlled or eradicated, the patent is placed as an original in Class 424 or 514 when only a Class 424 or 514 type of "pest" (e.g., fungi, insect, rodent, etc.) is revealed in the patent disclosure. However, if both Class 504 and Class 424 or 514 types of "pest" are specifically disclosed or if no disclosure is made as to the specific type of pest, the patent is placed in Class 504 as an original and cross-referenced to Class 424 or 514.
516Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,   appropriate subclasses for subject matter relating to: colloid systems (such as sols*, emulsions, dispersions, foams, aerosols, smokes, gels, or pastes) or wetting agents (such as leveling, penetrating, or spreading); subcombination compositions of colloid systems containing at least an agent specialized and designed for or peculiar to use in making or stabilizing colloid systems; compositions and subcombination compositions specialized and designed for or peculiar to use in breaking (resolving) or inhibiting colloid systems; processes of making the compositions or systems of the class; processes of breaking (resolving) or inhibiting colloid systems; in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
800Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes,   appropriate subclasses for living multicellular organisms, e.g., plants, etc., and separated or severed parts thereof that have not undergone any modification or treatment subsequent to their separation, e.g., untreated seeds, etc.

SECTION V - GLOSSARY

The organic chemical structure terminology used in this class is consistent with that used in the Glossary for Class 532 - Organic Compounds -- Part of the Class 532-570 Series

ACTIVE

The expression active as used herein denotes a plant growth regulating effect.

HERBICIDE

The term denotes a compound or composition which adversely affects the growth or the life span of a plant.

ORGANIC

The term organic denotes compounds containing carbon, which are further characterized by the presence in a molecule thereof of two carbon atoms bonded together; or one atom of carbon bonded to at least one atom of hydrogen or halogen; or one atom of carbon bonded to at least one atom of nitrogen by a single or double bond.

PLANT

The term plant refers to all physical parts of a plant, including seeds, seedlings, saplings, roots, tubers, stems, stalks, foliage, and fruits.

PLANT GROWTH

Plant growth includes all phases of development from seed germination to natural or induced cessation of life.

POTENTIATOR or SYNERGIST

The terms denote an agent (A) which will cooperatively act with an active ingredient for this class (B) to the extent that the total effect (A+B) will be greater than the sum of the two effects taken independently.

SUBCLASSES

[List of Patents for class 504 subclass 100]    100SEEDS COATED WITH AGRICULTURAL CHEMICALS OTHER THAN FERTILIZERS:
 This subclass is indented under the class definition.  Products which comprise seeds coated or impregnated with agricultural chemicals other than fertilizers, e.g., antidotes, safeners, plant growth regulators, micro-organisms, fungicides, bactericides, disinfectants, etc.
(1) Note. An example of an agricultural chemical provided for herein is:

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SEE OR SEARCH CLASS:

47Plant Husbandry,   subclass 57.6 for coated seeds not more specifically provided for elsewhere.
424Drug, Bio-Affecting and Body Treating Compositions,   for seeds coated or impregnated with a Class 424 composition wherein the seed functions as a bait material, as well as, for processes of treating a seed with a biocide.
427Coating Processes,   subclass 4 for processes of coating of seeds, plants, etc., when the coating composition has no affect upon growth character of the plant or when the coating process is more than the mere application of a specific composition to the plant or seed.
  
[List of Patents for class 504 subclass 101]    101FERTILIZERS WITH INSECTICIDE, FUNGICIDE, DISINFECTANT, OR DEODORANT:
 This subclass is indented under the class definition.  Products which are of definite fertilizer value and are also insecticides, fungicides, deodorants, or disinfectants.

SEE OR SEARCH CLASS:

424Drug, Bio-Affecting and Body Treating Compositions,   subclasses 76.1+ for deodorant compositions which are not applied to the living body and which function by destroying the odor-causing organism or by desensitizing the olfactory mechanism.
  
[List of Patents for class 504 subclass 102]    102From sewage, human, or animal excrements (e.g., night soil, manure, guano, etc.):
 This subclass is indented under subclass 101.  Products in which fertilizer is derived from sewage, human, or animal excrement.
  
[List of Patents for class 504 subclass 103]    103ANTIDOTES (E.G., SAFENERS, ANTAGONISTS, ETC.):
 This subclass is indented under the class definition.  Compositions containing antidotes, which are compounds capable of protecting cultivated plants from being damaged by herbicidal chemicals without affecting the herbicidal action of said chemicals against the weeds or unwanted plants to be controlled.
(1) Note. An example of an antidotal compound provided for herein is:

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[List of Patents for class 504 subclass 104]    104Hetero ring containing antidote:
 This subclass is indented under subclass 103.  Compositions wherein the antidotal compound contains a hetero ring.
(1) Note. An example of an antidotal compound provided for herein is:

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[List of Patents for class 504 subclass 105]    105Hetero ring is six-membered including nitrogen:
 This subclass is indented under subclass 104.  Compositions in which the hetero ring is six-membered and has nitrogen as a ring member.
(1) Note. Examples of antidotal compounds provided for herein are:

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[List of Patents for class 504 subclass 106]    106Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., thiazoles, etc.):
 This subclass is indented under subclass 104.  Compositions in which the hetero ring is five-membered and has two or more hetero atoms as ring members, at least one of which is nitrogen.
(1) Note. Examples of antidotal compounds provided for herein are:

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[List of Patents for class 504 subclass 107]    107Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the five-membered hetero ring:
 This subclass is indented under subclass 106.  Compositions wherein a -C(=X)- group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the ring nitrogen of the hetero ring.
(1) Note. Examples of antidotal compounds provided for herein are:

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[List of Patents for class 504 subclass 108]    108Oxygen containing hetero ring:
 This subclass is indented under subclass 104.  Compositions wherein the hetero ring has oxygen as a ring member.
(1) Note. Examples of antidotal compounds provided for herein are:

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[List of Patents for class 504 subclass 109]    109Antidote contains cyano or isocyano bonded directly to carbon:
 This subclass is indented under subclass 103.  Compositions wherein the antidotal compound contains carbon bonded directly to a cyano (-CN) or isocyano (-NC) group.
(1) Note. An example of an antidotal compound provided for herein is:

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[List of Patents for class 504 subclass 110]    110Antidote contains -C(=X)X-, wherein the X"s are the same or diverse chalcogens (e.g., carbamates, thiocarbamates, carboxylic acids, etc.):
 This subclass is indented under subclass 103.  Compositions in which the antidotal compound contains a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of antidotal compounds provided for herein are:

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[List of Patents for class 504 subclass 111]    111Antidote contains organic nitrogen compound wherein the nitrogen, other than as nitro or nitroso, is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 103.  Compositions in which the antidotal compound contains an organic compound wherein nitrogen, other than as nitro or nitroso (-NO2 or -NO), is attached directly or indirectly to carbon by nonionic bonding
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
(2) Note. Examples of antidotal compounds provided for herein are:

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[List of Patents for class 504 subclass 112]    112Carboxamides (i.e., R-C(=O)NH2, wherein R is hydrogen or carbon, and substitution may be made for the hydrogens on the nitrogen only; e.g., dichloracetamides, etc.):
 This subclass is indented under subclass 111.  Compositions which contain R-C(=O)NH2, wherein R is hydrogen or carbon, and substitution may be made for the hydrogens on the nitrogen only.
(1) Note. An example of an antidotal compound provided for herein is:

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[List of Patents for class 504 subclass 113]    113PLANT GROWTH REGULATORS WITH SOIL LIFE EXTENDERS:
 This subclass is indented under the class definition.  Compositions which contain a plant growth regulator (e.g., a herbicide) and a compound useful for extending the soil life of said plant growth regulator.
(1) Note. Soil conditioners are not considered to be soil life extenders.
  
[List of Patents for class 504 subclass 114]    114COMPOSITIONS FOR PRESERVATION OR MAINTENANCE OF CUT FLOWERS:
 This subclass is indented under the class definition.  Compositions for maintaining the freshness of flowers that have been severed from a living plant.

SEE OR SEARCH CLASS:

427Coating Processes,   subclass 4 for processes of coating a plant member or animal specimen for ornamental effect or preservation.
  
[List of Patents for class 504 subclass 115]    115Containing organic nitrogen compounds:
 This subclass is indented under subclass 114.  Compositions which contain an organic nitrogen compound, i.e., one in which nitrogen is attached directly or indirectly, by nonionic bonding, to carbon of an organic compound.
  
[List of Patents for class 504 subclass 116.1]    116.1PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.):
 This subclass is indented under the class definition.  Compositions s not more specifically provided for elsewhere, for treating growing or living terrestrial or aquatic plants or their habitats for the purpose of stimulating, inhibiting, defoliating, retarding, or killing said plants, and the processes of using said compositions or compounds, per se, for such purposes, which processes are not more than the mere application of the compositions or compounds to the plant or habitat.
(1) Note. Compositions of this subclass include those compositions which find utility for desuckering plants and sucker control, for activating the germination of seeds, bulbs, tubers, and roots, and for affecting the color of fruit, etc. as well as processes of using the compositions and compounds per se for such purposes.
(2) Note. Compositions, such as auxins, which alter the plant through a chemical modification of the plant metabolism are provided for herein.
(3) Note. The terms "mere application" and "mere use" , as employed herein, include such recited process steps as dusting, spraying, injection, wetting, drilling, spreading, etc., and combinations thereof. Limitations relating to amounts, time, or physical forms of the compositions as applied are included herein. For example, treatment with a specific composition "at the imminence of abscission" to prevent abscission is classified with the composition.
(4) Note. In the indented subclasses, the primary basis of classification is the chemical structure of the claim-recited compound which is disclosed to possess plant growth regulating activity.
(5) Note. For the purposes of this and related subclasses, the term hetero ring denotes the presence of a ring whose members consist of at least one carbon atom and one or more atoms of the elements taken from the group consisting of nitrogen, oxygen, sulfur, selenium, and tellurium.

SEE OR SEARCH CLASS:

47Plant Husbandry,   for (1) methods of culturing plants by means other than using a herbicide or a fertilizer, (2) compositions having only a fertilizer effect, and (3) compositions disclosed as having both stimulating and fertilizing action, wherein the "stimulating" occurs only as a response to the "fertilizing" , and no disclosure relates to the stimulating response except for general statements such as "stimulating and fertilizing" effects.
71Chemistry, Fertilizers,   for fertilizing compositions which contain a chelator.
424Drug, Bio-affecting and Body Treating Compositions,   for (a) compositions and (b) mere or nominal methods of application of such compositions and of compounds, per se, whose utility is as an insecticide, a fungicide, or an anti-microbial for use on plants.
514Drug, Bio-affecting and Body Treating Compositions,   for (a) compositions and (b) mere or nominal methods of application of such compositions and of compounds, per se, whose utility is as an insecticide, a fungicide, or an anti-microbial for use on plants.
  
[List of Patents for class 504 subclass 117]    117Micro-organisms or from micro-organisms (e.g., fermentates, fungi, bacteria, viruses, etc.):
 This subclass is indented under subclass 116.1.  Compositions which contain micro-organisms or products derived from micro-organisms or fermentation processes as the active ingredient.
(1) Note. Products derived from micro-organisms whether their structure is known or not are included herein. Most such products appear to be heterocyclic oxygen compounds.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292,for compositions containing active six-membered hetero oxygen compounds which are not disclosed as being products of micro-organisms or fermentation processes.
  
[List of Patents for class 504 subclass 118]    118Plural active ingredients:
 This subclass is indented under subclass 116.1.  Compositions which contain two or more active plant growth regulating agents.
  
[List of Patents for class 504 subclass 119]    119Inorganic active ingredient containing:
 This subclass is indented under subclass 118.  Compositions which contain at least one inorganic active element or compound and one or more additional active ingredients.
  
[List of Patents for class 504 subclass 120]    120Inorganic active ingredient contains heavy metal or aluminum:
 This subclass is indented under subclass 119.  Compositions wherein the inorganic active ingredient is elemental aluminum, elemental metal having a specific gravity greater than four, or inorganic compounds thereof.
  
[List of Patents for class 504 subclass 121]    121With an organic active ingredient:
 This subclass is indented under subclass 120.  Compositions which contain, in addition to the inorganic active ingredient, an organic active compound.
  
[List of Patents for class 504 subclass 122]    122Inorganic active ingredient contains boron:
 This subclass is indented under subclass 119.  Compositions wherein the inorganic active ingredient is elemental boron or an inorganic compound thereof.
  
[List of Patents for class 504 subclass 123]    123With an organic active compound:
 This subclass is indented under subclass 119.  Compositions which contain, in addition to the inorganic active ingredient, an organic active compound.
  
[List of Patents for class 504 subclass 124]    124Hetero ring containing:
 Compositions under 123 wherein the organic active compound contains a hetero ring.
  
[List of Patents for class 504 subclass 125]    125Containing -C(=X)X- or -C(=X)NH-, wherein the X"s are the same or diverse chalcogens and substitution may be made for hydrogen only (e.g., phenoxyacetic acids, ureas, etc.):
 This subclass is indented under subclass 123.  Compositions in which the organic active compound contains a -C(=X)X- or -C(=X)NH- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) and substitution may be made for hydrogen only.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 504 subclass 126]    126Heavy metal or aluminum containing active ingredient:
 This subclass is indented under subclass 118.  Compositions wherein an organic active ingredient contains aluminum or a metal having a specific gravity greater than four.
  
[List of Patents for class 504 subclass 127]    127Phosphorus containing active ingredient wherein the phosphorus is other than solely as part of an inorganic ion in an addition salt:
 This subclass is indented under subclass 118.  Compositions wherein an organic active ingredient contains phosphorus attached directly or indirectly to carbon by nonionic bonding.
(1) Note. Inorganic phosphorus salts of the organic active ingredient are excluded herefrom and classified with the active organic moiety.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 128]    128With an active heterocyclic compound:
 This subclass is indented under subclass 127.  Compositions which contain in addition to the organo-phosphorus active ingredient, an active heterocyclic compound.
  
[List of Patents for class 504 subclass 129]    129Hetero ring containing active ingredient:
 This subclass is indented under subclass 118.  Compositions wherein an organic active ingredient contains a hetero ring.
  
[List of Patents for class 504 subclass 130]    130Hetero ring is six-membered including nitrogen:
 This subclass is indented under subclass 129.  Compositions wherein the hetero ring is six-membered and has nitrogen as a ring member.
  
[List of Patents for class 504 subclass 131]    131The hetero ring also contains sulfur (e.g., benzothiadiazinones, etc.):
 This subclass is indented under subclass 130.  Compositions wherein the six-membered hetero ring also has sulfur as a ring member.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 132]    132With additional hetero ring active ingredient:
 This subclass is indented under subclass 131.  Compositions which contain, in addition to the active six-membered hetero ring compound, an additional active hetero ring compound.
  
[List of Patents for class 504 subclass 133]    133The hetero ring consists of three nitrogens and three carbons:
 This subclass is indented under subclass 130.  Compositions wherein the six-membered hetero ring consists of three ring nitrogens and three ring carbons.
  
[List of Patents for class 504 subclass 134]    134With additional hetero ring active ingredient:
 This subclass is indented under subclass 133.  Compositions which contain, in addition to the active six-membered hetero ring compound, an additional active hetero ring compound.
  
[List of Patents for class 504 subclass 135]    135With an active ingredient containing -C(=X)X-, wherein the X"s are the same or diverse chalcogens (e.g., thiocarbamates, carbamates, carboxylic acids, etc.):
 This subclass is indented under subclass 133.  Compositions which contain, in addition to the active six-membered hetero ring compound, an active compound which has a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of the additional active compound is:

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[List of Patents for class 504 subclass 136]    136The hetero ring consists of two nitrogens and four carbons:
 This subclass is indented under subclass 130.  Compositions wherein the six-membered hetero ring consists of two ring nitrogens and four ring carbons.
  
[List of Patents for class 504 subclass 137]    1371, 2-diazines (e.g., pyridazones, etc.):
 This subclass is indented under subclass 136.  Compositions wherein the six-membered hetero ring has nitrogens in the 1- and 2-positions and carbons in the remaining four positions.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 138]    138Hetero ring is five-membered including nitrogen:
 This subclass is indented under subclass 129.  Compositions wherein the hetero ring is five-membered and has nitrogen as a ring member.
  
[List of Patents for class 504 subclass 139]    139Plural ring nitrogens in the hetero ring:
 This subclass is indented under subclass 138.  Compositions wherein the hetero ring contains at least two ring nitrogens.
  
[List of Patents for class 504 subclass 140]    140Oxygen containing hetero ring:
 This subclass is indented under subclass 129.  Compositions wherein the hetero ring has oxygen as a ring member.
  
[List of Patents for class 504 subclass 141]    141Cyano, isocyano, cyanate, isocyanate, thiocyanate, or isothiocyanate (i.e., -CN, -NC, -OCN, -NCO, -SCN, or -NCS) containing active ingredient:
 This subclass is indented under subclass 118.  Compositions wherein an organic active ingredient contains a cyano (-CN), isocyano (-NC), cyanate (-O-CN), isocyanate (-NCO), thiocyanate (-S-CN), or isothiocyanate (-NCS) group.
  
[List of Patents for class 504 subclass 142]    142Active ingredient contains -C(=X)X-, wherein the X"s are the same or diverse chalcogens:
 This subclass is indented under subclass 118.  Compositions in which an organic active ingredient contains a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 504 subclass 143]    143Nitrogen bonded directly to the carbon of the -C(=X)X- group (e.g., carbamates, thiocarbamates, etc.):
 This subclass is indented under subclass 142.  Compositions wherein the carbon of the -C(=X)X- group is bonded directly to nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 144]    144Carbocyclic ring bonded directly to the carbon of the -C(=X)X- group (e.g., benzoic acids, etc.):
 This subclass is indented under subclass 142.  Compositions wherein the carbon of the -C(=X)X- group is bonded directly to a carbocyclic ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 145]    145Oxygen is bonded directly to a benzene ring and is part of an acyclic chain between the benzene ring and the -C(=O)O- group (e.g., 2,4-dichlorophenoxyacetic acids, naphthoxypropionic acids, etc.):
 This subclass is indented under subclass 142.  Compositions in which oxygen is bonded directly to a benzene ring and is also part of an acyclic chain between the benzene ring and the -C(=O)O- group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 146]    146With an active ingredient containing nitrogen, other than as nitro or nitroso, wherein the nitrogen is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 145.  Compositions which contain an additional active organic compound wherein carbon is attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also attached.
  
[List of Patents for class 504 subclass 147]    147Nitrogen or halogen attached indirectly to the carbon of the -C(=X)X- group by acyclic nonionic bonding:
 This subclass is indented under subclass 142.  Compositions wherein the carbon of the -C(=X)X- group is attached indirectly to nitrogen or halogen by acyclic nonionic bonding.
  
[List of Patents for class 504 subclass 148]    148Active ingredient contains nitrogen, other than as nitro or nitroso, wherein the nitrogen is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 118.  Compositions wherein an organic active ingredient contains carbon attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
  
[List of Patents for class 504 subclass 149]    149Carboxamides (i.e., R-C(=O)NH2, wherein R is hydrogen or carbon, and substitution may be made for the hydrogens on the nitrogen only; e.g., dichloroacetamides, etc.):
 This subclass is indented under subclass 148.  Compositions which contain R-C(=O)NH2, wherein R is hydrogen or carbon, and substitution may be made for the hydrogens on the nitrogen only.
(1) Note. An example of an active ingredient provided for herein is:

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[List of Patents for class 504 subclass 150]    150Aquatic plant regulator (e.g., algicides, etc.):
 This subclass is indented under subclass 116.1.  Compositions which are designed or intended for positively or negatively influencing the life span of aquatic plants.
(1) Note. Algicides are included herein.
(2) Note. Patents disclosing the treatment of slime are not included herein unless algae is specifically disclosed to be a component of the slime.
(3) Note. Compositions intended to be applied to a surface for the prevention or inhibition of algae growth thereon, e.g., antifouling marine coating compositions, are not included herein, but are classified in the appropriate composition class and cross-referenced here if necessary.

SEE OR SEARCH CLASS:

47Plant Husbandry,   subclass 1.4 for algae culture and subclass 62 for process of fostering plant growth in a nutrient solution.
106Compositions: Coating or Plastic,   subclasses 15.05+ for antifouling coating compositions.
162Paper Making and Fiber Liberation,   subclass 161 for biocidal processes and products for slime control in paper making.
210Liquid Purification or Separation,   subclasses 601+ , especially 636, 753+, and 764 processes for destroying micro-organisms in a liquid medium which are more than the mere addition of a compound or composition to said liquid.
435Chemistry: Molecular Biology and Microbiology,   particularly subclasses 257.1+ for subject matter directed to a composition having utility as an algal culture medium (i.e., media for maintenance, growth, production, etc.) or a technique for preparing or using the same.
  
[List of Patents for class 504 subclass 151]    151Inorganic active ingredient containing:
 This subclass is indented under subclass 150.  Compositions wherein the active aquatic plant regulating agent is an element or an inorganic compound.
  
[List of Patents for class 504 subclass 152]    152Heavy metal or aluminum containing active ingredient:
 This subclass is indented under subclass 150.  Compositions wherein the active aquatic plant regulating agent is an organic compound which contains aluminum or a metal having a specific gravity greater than four.
(1) Note. Arsenic is considered a heavy metal.
  
[List of Patents for class 504 subclass 153]    153Boron, silicon, or phosphorus containing active ingredient wherein the boron, silicon, or phosphorus is other than solely as part of an inorganic ion in an addition salt:
 This subclass is indented under subclass 150.  Compositions in which the active aquatic plant regulating agent contains an organic compound wherein boron, silicon, or phosphorus is attached directly or indirectly to carbon by nonionic bonding.
(1) Note. Inorganic boron, silicon, or phosphorus salts of the active aquatic plant regulating agent are excluded herefrom and classified with the active organic moiety.
  
[List of Patents for class 504 subclass 154]    154Hetero ring containing active ingredient:
 This subclass is indented under subclass 150.  Compositions wherein the active aquatic plant regulating agent contains a hetero ring.
  
[List of Patents for class 504 subclass 155]    155Hetero ring includes nitrogen:
 This subclass is indented under subclass 154.  Compositions wherein the hetero ring contains nitrogen as a ring member.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 156]    156Hetero ring is five-membered (e.g., thiadiazoles, etc.):
 This subclass is indented under subclass 155.  Compositions wherein the hetero ring is five-membered.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 157]    157Active ingredient contains -C(=X)X-, wherein the X"s are the same or diverse chalcogens (e.g., carbamates, thiocarbamates, carboxylic acids, etc.):
 This subclass is indented under subclass 150.  Compositions in which the active aquatic plant regulating agent contains a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 158]    158Active ingredient contains nitrogen, other than as nitro or nitroso, wherein the nitrogen is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 150.  Compositions in which the active aquatic plant regulating agent contains an organic compound wherein carbon is attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 159]    159Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen (e.g., carboxamides, etc.):
 This subclass is indented under subclass 158.  Compositions which contain a -(C=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to the nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 160]    160Chalcogen attached directly or indirectly to the nitrogen by nonionic bonding:
 This subclass is indented under subclass 158.  Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly or indirectly to the nitrogen by nonionic bonding.
  
[List of Patents for class 504 subclass 161]    161Active ingredient contains a ketone, aldehyde, ether, or hydroxy group, wherein the H of the hydroxy group may be replaced by a substituted or unsubstituted ammonium or a Group IA or IIA light metal:
 This subclass is indented under subclass 150.  Compositions in which the active aquatic plant regulating agent contains a -C(=O)- group, a -HCH-O-HCH- group, or an -OH group, wherein substitution may be made for hydrogen only and the hydrogen of the -OH group may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 504 subclass 162]    162Abscission agent, defoliant, or dessicant:
 This subclass is indented under subclass 116.1.  Compositions which are designed or intended for facilitating or causing fruit, blossom, or leaf drop, or for desiccating a living plant, e.g., premature drying.
  
[List of Patents for class 504 subclass 163]    163Inorganic active ingredient containing:
 This subclass is indented under subclass 162.  Compositions wherein the active abscission, defoliant, or desiccant agent is an element or an inorganic compound.
  
[List of Patents for class 504 subclass 164]    164Boron, silicon, heavy metal, or aluminum containing active ingredient:
 This subclass is indented under subclass 162.  Compositions wherein the active abscission, defoliant, or desiccant agent is an organic compound which contains boron, silicon, aluminum, or a metal having a specific gravity greater than four.
(1) Note. Arsenic is considered a heavy metal.
  
[List of Patents for class 504 subclass 165]    165Phosphorus containing active ingredient wherein the phosphorus is other than solely as part of an inorganic ion in an addition salt:
 This subclass is indented under subclass 162.  Compositions in which the active abscission, defoliant, or desiccant agent contains an organic compound wherein phosphorus is attached directly or indirectly to carbon by nonionic bonding.
(1) Note. Inorganic phosphorus salts of the active abscission, defoliant, or desiccant agent are excluded herefrom and classified with the active organic moiety.
  
[List of Patents for class 504 subclass 166]    166Hetero ring containing active ingredient:
 This subclass is indented under subclass 162.  Compositions wherein the active abscission, defoliant, or desiccant agent contains a hetero ring.
  
[List of Patents for class 504 subclass 167]    167Hetero ring is six-membered including nitrogen:
 This subclass is indented under subclass 166.  Compositions wherein the hetero ring is six-membered and has nitrogen as a ring member.
  
[List of Patents for class 504 subclass 168]    168Plural ring nitrogens in the hetero ring:
 This subclass is indented under subclass 167.  Compositions wherein the hetero ring contains at least two ring nitrogens.
  
[List of Patents for class 504 subclass 169]    169Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen:
 This subclass is indented under subclass 166.  Compositions in which the hetero ring is five-membered and has two or more hetero atoms as ring members, at least one of which is nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 170]    170Ring chalcogen in the hetero ring:
 This subclass is indented under subclass 169.  Compositions wherein the hetero ring also has chalcogen as a ring member.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 171]    171Active ingredient contains -C(=X)X-, wherein the X"s are the same or diverse chalcogens:
 This subclass is indented under subclass 162.  Compositions in which the active abscission, defoliant, or desiccant agent contains a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 504 subclass 172]    172Nitrogen or additional chalcogen bonded directly to the carbon of the -C(=X)X- group (e.g., thiocarbamates, carbamates, xanthates, etc.):
 This subclass is indented under subclass 171.  Compositions wherein the carbon of the -C(=X)X- group is bonded directly to nitrogen or an additional chalcogen.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 504 subclass 173]    173Active ingredient contains nitrogen, other than as nitro or nitroso, wherein the nitrogen is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 162.  Compositions in which the active abscission, defoliant, or desiccant agent contains an organic compound wherein carbon is attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
  
[List of Patents for class 504 subclass 174]    174Stunting or dwarfing agent:
 This subclass is indented under subclass 116.1.  Compositions which are designed or intended for retarding, suppressing, or inhibiting the rate of growth or size, particularly the height, of the plant.
  
[List of Patents for class 504 subclass 175]    175Phosphorus containing active ingredient wherein the phosphorus is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 174.  Compositions wherein the active stunting or dwarfing agent contains carbon attached directly or indirectly to phosphorus by nonionic bonding.
(1) Salts of an organic active stunting or dwarfing agent with an inorganic phosphorus compound are classified with the active organic moiety.
  
[List of Patents for class 504 subclass 176]    176Hetero ring containing active ingredient:
 This subclass is indented under subclass 174.  Compositions wherein the active stunting or dwarfing agent contains a hetero ring.
  
[List of Patents for class 504 subclass 177]    177Hetero ring is six-membered including nitrogen:
 This subclass is indented under subclass 176.  Compositions wherein the hetero ring is six-membered and has nitrogen as a ring member.
  
[List of Patents for class 504 subclass 178]    178Chalcogen, nitrogen, or -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the six-membered hetero ring:
 This subclass is indented under subclass 177.  Compositions in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), nitrogen, or -C(=X)-, wherein X is chalcogen, is bonded directly to a ring carbon of the six-membered hetero ring.
  
[List of Patents for class 504 subclass 179]    179Hetero ring is five-membered including nitrogen:
 This subclass is indented under subclass 176.  Compositions wherein the hetero ring is five-membered and has nitrogen as a ring member.
  
[List of Patents for class 504 subclass 180]    180Plural ring nitrogens in the hetero ring:
 This subclass is indented under subclass 179.  Compositions wherein the hetero ring contains at least two ring nitrogens.
  
[List of Patents for class 504 subclass 181]    181Oxygen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding:
 This subclass is indented under subclass 180.  Compositions wherein the five-membered hetero ring is attached indirectly to oxygen by acyclic nonionic bonding.
  
[List of Patents for class 504 subclass 182]    182Active ingredient contains -C(=X) X-, wherein the X"s are the same or diverse chalcogens:
 This subclass is indented under subclass 174.  Compositions wherein the active stunting or dwarfing agent contains a -C(=X) X- group, where the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 504 subclass 183]    183Active ingredient contains organic nitrogen, other than as nitro or nitroso, wherein the nitrogen is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 174.  Compositions in which the active stunting or dwarfing agent contains an organic compound wherein carbon is attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also attached.
  
[List of Patents for class 504 subclass 184]    184Desuckering or sucker control agent:
 This subclass is indented under subclass 116.1.  Compositions containing a desuckering or sucker control agent which inhibits, retards, destroys, or removes sucker growth from a living plant.
  
[List of Patents for class 504 subclass 185]    185Hetero ring containing active ingredient:
 This subclass is indented under subclass 184.  Compositions wherein the active desuckering or sucker control agent contains a hetero ring.
  
[List of Patents for class 504 subclass 186]    186Active ingredient contains organic nitrogen, other than as nitro or nitroso, wherein the nitrogen is attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 184.  Compositions in which the active desuckering or sucker control agent contains an organic compound wherein carbon is attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
  
[List of Patents for class 504 subclass 187]    187Inorganic active ingredient which contains boron, silicon, phosphorus, heavy metal, or aluminum:
 This subclass is indented under subclass 116.1.  Compositions wherein an inorganic active ingredient contains elemental boron, silicon, phosphorus, aluminum, or metal having a specific gravity greater than four, or an inorganic compound of one of these elements.
  
[List of Patents for class 504 subclass 188]    188Inorganic active ingredient is elemental nitrogen, elemental sulfur, or is a compound of nitrogen or sulfur:
 This subclass is indented under subclass 116.1.  Compositions wherein an inorganic active ingredient is elemental nitrogen, elemental sulfur, or is a compound of nitrogen or sulfur.
  
[List of Patents for class 504 subclass 189]    189Organic active compound containing:
 This subclass is indented under subclass 116.1.  Compositions containing an organic compound as an active plant growth regulating agent.
(1) Note. Included herein are organic substances of unknown constitution.
  
[List of Patents for class 504 subclass 190]    190Heavy metal or aluminum containing:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains aluminum or a metal having a specific gravity greater than four.
(1) Note. Arsenic is considered a heavy metal.
  
[List of Patents for class 504 subclass 191]    191Hetero ring containing:
 This subclass is indented under subclass 190.  Compositions which contain a hetero ring.
  
[List of Patents for class 504 subclass 192]    192Group IV or V heavy metal (e.g., Sn, As, Ti, etc.):
 This subclass is indented under subclass 190.  Compositions wherein the heavy metal is germanium, tin, lead, titanium, zirconium, hafnium, arsenic, antimony, bismuth, vanadium, niobium, or tantalum.
  
[List of Patents for class 504 subclass 193]    193Boron or silicon containing:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains boron or silicon.
  
[List of Patents for class 504 subclass 194]    194Phosphorus containing wherein the phosphorus is other than solely as part of an inorganic ion in an addition salt:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains phosphorus attached directly or indirectly to carbon by nonionic bonding.
(1) Note. Salts of the organic active compound with an inorganic phosphorus compound are classified with the active organic moiety.
  
[List of Patents for class 504 subclass 195]    195Hetero ring containing:
 This subclass is indented under subclass 194.  Compositions which contain a hetero ring.
  
[List of Patents for class 504 subclass 196]    196Ring chalcogen in the hetero ring (e.g., morpholines, etc.):
 This subclass is indented under subclass 195.  Compositions wherein the hetero ring has chalcogen as a ring member.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 197]    197Plural ring nitrogens in the hetero ring:
 This subclass is indented under subclass 195.  Compositions wherein the hetero ring contains at least two ring nitrogens.
  
[List of Patents for class 504 subclass 198]    198Having -C(=X)-, wherein X is chalcogen, bonded directly to the phosphorus:
 This subclass is indented under subclass 194.  Compositions wherein the phosphorus is bonded directly to a -C(=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 504 subclass 199]    199Nitrogen bonded directly to the phosphorus:
 This subclass is indented under subclass 194.  Compositions wherein the phosphorus is bonded directly to nitrogen.
  
[List of Patents for class 504 subclass 200]    200Plural nitrogens bonded directly to the phosphorus:
 This subclass is indented under subclass 199.  Compositions wherein phosphorus is bonded directly to two or more nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 201]    201Nitrogen attached indirectly to the phosphorus by acyclic nonionic bonding:
 This subclass is indented under subclass 194.  Compositions wherein the phosphorus is attached indirectly to nitrogen by acyclic nonionic bonding.
  
[List of Patents for class 504 subclass 202]    202The nitrogen is part of a cyano or isocyano group:
 This subclass is indented under subclass 201.  Compositions in which the nitrogen is part of a cyano (-CN) or isocyano (-NC) group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 203]    203Nitrogen or chalcogen bonded directly to the nitrogen:
 This subclass is indented under subclass 201.  Compositions wherein the nitrogen is bonded directly to nitrogen or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 504 subclass 204]    204Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen:
 This subclass is indented under subclass 201.  Compositions which contain a -(C=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to the nitrogen.
  
[List of Patents for class 504 subclass 205]    205Additional -C(=X)- or additional nitrogen attached indirectly to the phosphorus by acyclic nonionic bonding:
 This subclass is indented under subclass 204.  Compositions wherein the phosphorus is attached indirectly to an additional -C(=X)- group or an additional nitrogen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 206]    206Containing -C(=X)X-, wherein the X"s are the same or diverse chalcogens (e.g., N-phosphonomethylglycines, etc.):
 This subclass is indented under subclass 201.  Compositions which contain a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 207]    207Carbon bonded directly to the phosphorus:
 This subclass is indented under subclass 194.  Compositions wherein the phosphorus is bonded directly to carbon.
  
[List of Patents for class 504 subclass 208]    208Halogen attached indirectly to the phosphorus by acyclic nonionic bonding:
 This subclass is indented under subclass 207.  Compositions wherein the phosphorus is attached indirectly to halogen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 209]    209Hetero ring containing:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains a hetero ring.
  
[List of Patents for class 504 subclass 210]    210Acyclic urea or thiourea bonded directly to ring carbon of the hetero ring (i.e., HNH-C(=X)-NH-, wherein X is sulfur or oxygen and substitution may be made for hydrogen only):
 This subclass is indented under subclass 209.  Compositions in which a HNH-C(=X)-NH- group, wherein X is sulfur or oxygen and substitution may be made for hydrogen only, is bonded directly to a ring carbon of the hetero ring.
(1) Note. Isoureas, isothioureas, pseudoureas, and pseudothioureas are not provided for in this subclass.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 504 subclass 210

(3) Note. The acyclic urea or thiourea may itself be substituted by cyclic substituents.
  
[List of Patents for class 504 subclass 211]    211Sulfonyl bonded directly to the urea or thiourea nitrogen (e.g., N-phenylsulfonyl-N"- pyridinylureas, etc.):
 This subclass is indented under subclass 210.  Compositions wherein the urea or thiourea nitrogen is bonded directly to a sulfonyl, -S(=O)-, group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 212]    212The hetero ring consists of three nitrogens and three carbons:
 This subclass is indented under subclass 211.  Compositions wherein the hetero ring consists of three ring nitrogens and three ring carbons.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 213]    213Additional hetero ring containing:
 This subclass is indented under subclass 212.  Compositions which contain an additional hetero ring.
  
[List of Patents for class 504 subclass 214]    214The hetero ring consists of two nitrogens and four carbons:
 This subclass is indented under subclass 211.  Compositions wherein the hetero ring consists of two ring nitrogens and four ring carbons.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 215]    215Additional hetero ring containing:
 This subclass is indented under subclass 214.  Compositions which contain an additional hetero ring.
  
[List of Patents for class 504 subclass 216]    216The hetero ring is five-membered including nitrogen:
 This subclass is indented under subclass 210.  Compositions wherein the hetero ring is five-membered and has nitrogen as a ring member.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 217]    217Plural ring nitrogens and a single ring chalcogen in the hetero ring (e.g., 1, 3, 4-thiadiazoles, etc.):
 This subclass is indented under subclass 216.  Compositions wherein the five-membered hetero ring has at least two ring nitrogens and only one ring chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) as ring members.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 218]    218Hetero ring contains at least seven members including nitrogen:
 This subclass is indented under subclass 209.  Compositions which contain a hetero ring having at least seven ring members of which one or more is nitrogen.
(1) Note. An example of a compound provided for herein is: :

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[List of Patents for class 504 subclass 219]    219Additional hetero ring containing:
 This subclass is indented under subclass 218.  Compositions which contain an additional hetero ring.
  
[List of Patents for class 504 subclass 220]    220Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the hetero ring:
 This subclass is indented under subclass 218.  Compositions in which -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to a ring nitrogen.
  
[List of Patents for class 504 subclass 221]    221Hetero ring is six-membered including nitrogen and sulfur:
 This subclass is indented under subclass 209.  Compositions wherein the hetero ring is six-membered and has nitrogen, sulfur, and carbon as ring members.
  
[List of Patents for class 504 subclass 222]    222Plural ring nitrogens in the hetero ring (e.g., thiadiazines, etc.):
 This subclass is indented under subclass 221.  Compositions wherein the hetero ring contains at least two ring nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 223]    223Hetero ring is six-membered including nitrogen and oxygen:
 This subclass is indented under subclass 209.  Compositions wherein the hetero ring is six-membered and has nitrogen, oxygen, and carbon as ring members.
(1) Note. Examples of compounds provided for herein are

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[List of Patents for class 504 subclass 224]    2241, 4-oxazines (including hydrogenated):
 This subclass is indented under subclass 223.  Compositions wherein the six-membered hetero ring has oxygen in the 1-position, nitrogen in the 4-position, and carbons in the remaining four positions.
  
[List of Patents for class 504 subclass 225]    225Additional hetero ring containing:
 This subclass is indented under subclass 224.  Compositions which contain an additional hetero ring.
(1) Note. An example of a compound provided for herein is :

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[List of Patents for class 504 subclass 226]    226Nitrogen or -C(=X)-, wherein X is chalogen, bonded directly to ring nitrogen of the oxazine ring:
 This subclass is indented under subclass 224.  Compositions in which nitrogen or -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to ring nitrogen of the oxazine ring.
  
[List of Patents for class 504 subclass 227]    227Hetero ring is six-membered consisting of three nitrogens and three carbons:
 This subclass is indented under subclass 209.  Compositions which contain a hetero ring consisting of three ring nitrogens and three ring carbons.
  
[List of Patents for class 504 subclass 228]    228Polycyclo ring system having the six-membered hetero ring as one of the cyclos:
 This subclass is indented under subclass 227.  Compositions wherein the hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 229]    229Asymmetrical (e.g., 1, 2, 4-triazines, etc.):
 This subclass is indented under subclass 227.  Compositions in which two of the ring nitrogens of the six-membered hetero ring are bonded directly to each other.
(1) Note. An example of a compound provided for herein is: :

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[List of Patents for class 504 subclass 230]    230Additional hetero ring containing:
 This subclass is indented under subclass 227.  Compositions which contain an additional hetero ring.
  
[List of Patents for class 504 subclass 231]    231Nitrogen bonded directly to ring carbon of the six-membered hetero ring:
 This subclass is indented under subclass 227.  Compositions wherein nitrogen is bonded directly to a ring carbon of the six-membered hetero ring.
  
[List of Patents for class 504 subclass 232]    232Plural nitrogens bonded directly to ring carbons of the six-membered hetero ring:
 This subclass is indented under subclass 231.  Compositions wherein at least two nitrogens are bonded directly to ring carbons of the six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 233]    233Chalcogen, -C(=X)-, wherein X is chalcogen, or cycloalkyl bonded directly to one of the nitrogens:
 This subclass is indented under subclass 232.  Compositions in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), -C(=X)-, wherein X is chalcogen, or cycloalkyl is bonded directly to one of the nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 234]    234The nitrogens are further bonded to hydrogen or hydrocarbyl only:
 This subclass is indented under subclass 232.  Compositions wherein only hydrogen or hydrocarbon radicals can satisfy the remaining valences of the nitrogens.
  
[List of Patents for class 504 subclass 235]    235Hetero ring is six-membered consisting of two nitrogens and four carbons (e.g., 1, 4-diazines, etc.):
 This subclass is indented under subclass 209.  Compositions which contain a six-membered hetero ring consisting of two ring nitrogens and four ring carbons.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 236]    2361, 2-diazines (including hydrogenated):
 This subclass is indented under subclass 235.  Compositions wherein the six-membered hetero ring has nitrogens in the 1- and 2-positions, and carbons in the remaining four positions.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 237]    237Nitrogen attached directly to the diazine ring by nonionic bonding:
 This subclass is indented under subclass 236.  Compositions wherein the diazine ring is attached directly to nitrogen by nonionic bonding.
  
[List of Patents for class 504 subclass 238]    238Chalcogen bonded directly to ring carbon of the diazine ring:
 This subclass is indented under subclass 236.  Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the diazine ring.
  
[List of Patents for class 504 subclass 239]    2391, 3-diazines (including hydrogenated):
 This subclass is indented under subclass 235.  Compositions wherein the six-membered hetero ring has nitrogens in the 1- and 3-positions, and carbons in the remaining four positions.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 240]    240Polycyclo ring system having the diazine ring as one of the cyclos:
 This subclass is indented under subclass 239.  Compositions wherein the diazine ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 504 subclass 241]    241Three or more ring hetero atoms in the polycyclo ring system:
 This subclass is indented under subclass 240.  Compositions wherein the polycyclo ring system includes at least one ring hetero atom in addition to the two ring nitrogens of the diazine ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 242]    242Chalcogen bonded directly to ring carbon of the diazine ring:
 This subclass is indented under subclass 239.  Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the diazine ring.
  
[List of Patents for class 504 subclass 243]    243Plural chalcogens bonded directly to ring carbons of the diazine ring (e.g., uracils, etc.):
 This subclass is indented under subclass 242.  Compositions wherein at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to ring carbons of the diazine ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 244]    244Hetero ring is six-membered consisting of one nitrogen and five carbons:
 This subclass is indented under subclass 209.  Compositions which contain a six-membered hetero ring consisting of one ring nitrogen and five ring carbons.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 245]    245Polycyclo ring system having the six-membered hetero ring as one of the cyclos:
 This subclass is indented under subclass 244.  Compositions wherein the six-membered hetero ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 504 subclass 246]    246Bicyclo ring system having the six-membered hetero ring as one of the cyclos:
 This subclass is indented under subclass 245.  Compositions in which the polycyclo ring system consists of exactly two rings.
  
[List of Patents for class 504 subclass 247]    247Quinolines or isoquinolines (including hydrogenated):
 This subclass is indented under subclass 246.  Compositions wherein the bicyclo ring system is characterized by having a six-membered carbocyclic ring orthofused to two carbons of the six-membered hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 248]    248Piperidines:
 This subclass is indented under subclass 244.  Compositions in which the six-membered hetero ring, consisting of one ring nitrogen and five ring carbons, contains no double bonds between ring members, i.e., the piperidine ring.
  
[List of Patents for class 504 subclass 249]    249Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the piperidine ring:
 This subclass is indented under subclass 248.  Compositions in which -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the ring nitrogen of the piperidine ring.
  
[List of Patents for class 504 subclass 250]    250Plural pyridine or partially hydrogenated pyridine rings:
 This subclass is indented under subclass 244.  Compositions which contain at least two of the six-membered hetero rings, each consisting of one nitrogen and five carbons and having at least one double bond between ring members, i.e., pyridine or partially hydrogenated pyridine rings.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 251]    251Additional hetero ring containing:
 This subclass is indented under subclass 244.  Compositions which contain an additional hetero ring.
  
[List of Patents for class 504 subclass 252]    252The additional hetero ring is five-membered including nitrogen:
 This subclass is indented under subclass 251.  Compositions wherein the hetero ring is five-membered and has nitrogen as a ring member.
  
[List of Patents for class 504 subclass 253]    253Plural ring nitrogens in the additional hetero ring:
 This subclass is indented under subclass 252.  Compositions wherein the additional hetero ring contains at least two ring nitrogens.
  
[List of Patents for class 504 subclass 254]    254Chalcogen bonded directly to ring carbon of the six-membered hetero ring:
 This subclass is indented under subclass 244.  Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the six-membered hetero ring.
  
[List of Patents for class 504 subclass 255]    255Nitrogen, other than as nitro or nitroso, or -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the six-membered hetero ring:
 This subclass is indented under subclass 254.  Compositions in which nitrogen, other than as nitro or nitroso (-NO2 or -NO), or -C(=X)- wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the six-membered hetero ring.
(1) Note. A nitro or nitroso group may be bonded directly to a ring carbon of the six-membered hetero ring, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
  
[List of Patents for class 504 subclass 256]    256Benzene ring bonded directly to the chalcogen:
 This subclass is indented under subclass 254.  Compositions wherein the chalcogen is bonded directly to a benzene ring.
  
[List of Patents for class 504 subclass 257]    257Containing -C(=X)NH-, wherein X is chalcogen and substitution may be made for hydrogen only:
 This subclass is indented under subclass 256.  Compositions which contain a -C(=X)NH- group, wherein X is chalcogen and substitution may be made for hydrogen only.
  
[List of Patents for class 504 subclass 258]    258Containing -C(=X)X-, wherein the X"s are the same or diverse chalcogens:
 This subclass is indented under subclass 256.  Compositions which contain a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens.
  
[List of Patents for class 504 subclass 259]    259Nitrogen or sulfur attached directly or indirectly to the -C(=X)X- group by acyclic nonionic bonding:
 This subclass is indented under subclass 258.  Compositions wherein the -C(=X)X- group is attached directly or indirectly to nitrogen or sulfur by acyclic nonionic bonding.
  
[List of Patents for class 504 subclass 260]    260Nitrogen, other than as nitro or nitroso, or -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the six-membered hetero ring:
 This subclass is indented under subclass 244.  Compositions in which nitrogen, other than as nitro or nitroso (-NO2 or -NO), or -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the six-membered hetero ring.
(1) Note. A nitro or nitroso group may be bonded directly to a ring carbon of the six-membered hetero ring, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
  
[List of Patents for class 504 subclass 261]    261Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen:
 This subclass is indented under subclass 209.  Compositions wherein the hetero ring is a five-membered ring having two or more ring hetero atoms of which at least one is nitrogen.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 504 subclass 262]    2621, 2, 4-thiadiazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has sulfur in the 1-position, nitrogens in the 2- and 4-positions and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 263]    2631, 3, 4-thiadiazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has sulfur in the 1-position, nitrogens in the 3- and 4-positions, and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 264]    264Diazole ring (including hydrogenated) attached directly to the thiadiazole ring by nonionic bonding:
 This subclass is indented under subclass 263.  Compositions wherein a five-membered hetero ring consisting of two nitrogens and three carbons is attached directly to the thiadiazole ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 265]    265Oxadiazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring consists of two ring nitrogens, one ring oxygen, and two ring carbons.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 266]    2661, 3-thiazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has sulfur in the 1-position, nitrogen in the 3-position, and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have a double bond between its members:

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[List of Patents for class 504 subclass 267]    267Benzothiazoles (including hydrogenated):
 This subclass is indented under subclass 266.  Compositions wherein the compounds have the following ring system in which the bonds between the ring members may be single or double bonds:

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[List of Patents for class 504 subclass 268]    268Nitrogen attached directly to the thiazole ring by nonionic bonding:
 This subclass is indented under subclass 267.  Compositions wherein nitrogen is attached directly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 504 subclass 269]    2691, 2-thiazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has sulfur in the 1-position, nitrogen in the 2-position, and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 270]    2701,3-oxazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has oxygen in the 1-position, nitrogen in the 3-position, and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 271]    2711, 2-oxazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has oxygen in the 1-position, nitrogen in the 2-position, and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 272]    2721, 2, 4-triazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has nitrogens in the 1-, 2-, and 4-positions and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 273]    273Chalcogen, nitrogen, or -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the triazole ring:
 This subclass is indented under subclass 272.  Compositions in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), nitrogen, or -C(=X)-, wherein X is chalcogen, is bonded directly to a ring carbon of the triazole ring.
  
[List of Patents for class 504 subclass 274]    274Nitrogen or acyclic carbon chain containing carbon to carbon unsaturation attached directly or indirectly to the triazole ring by acyclic nonionic bonding:
 This subclass is indented under subclass 272.  Compositions wherein the triazole ring is attached directly or indirectly to nitrogen or an acyclic carbon chain containing carbon to carbon unsaturation by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is :

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[List of Patents for class 504 subclass 275]    2751, 3-diazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has nitrogens in the 1- and 3-positions and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 276]    276Polycyclo ring system having the diazole ring as one of the cyclos (e.g., benzimidazoles, etc.):
 This subclass is indented under subclass 275.  Compositions wherein the diazole ring is one of the cyclos of a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 277]    277Chalcogen or nitrogen bonded directly to ring carbon of the diazole ring:
 This subclass is indented under subclass 275.  Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen is bonded directly to a ring carbon of the diazole ring.
  
[List of Patents for class 504 subclass 278]    278Plural chalcogens bonded directly to ring carbons of the diazole ring:
 This subclass is indented under subclass 277.  Compositions wherein at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to ring carbons of the diazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 279]    279Having -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the diazole ring:
 This subclass is indented under subclass 275.  Compositions in which -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to a ring carbon of the diazole ring.
  
[List of Patents for class 504 subclass 280]    2801, 2-diazoles (including hydrogenated):
 This subclass is indented under subclass 261.  Compositions in which the five-membered hetero ring has nitrogens in the 1- and 2-positions and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 504 subclass 281]    281Polycyclo ring system having the diazole ring as one of the cyclos:
 This subclass is indented under subclass 280.  Compositions wherein the diazole ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 504 subclass 282]    282Chalcogen or nitrogen bonded directly to ring carbon of the diazole ring:
 This subclass is indented under subclass 280.  Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen is bonded directly to a ring carbon of the diazole ring.
  
[List of Patents for class 504 subclass 283]    283Hetero ring is five-membered consisting of one nitrogen and four carbons:
 This subclass is indented under subclass 209.  Compositions which contain a five-membered hetero ring consisting of one ring nitrogen and four ring carbons.
  
[List of Patents for class 504 subclass 284]    284Polycyclo ring system having the five-membered hetero ring as one of the cyclos (e.g., indoles, etc.):
 This subclass is indented under subclass 283.  Compositions wherein the hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 285]    285The ring nitrogen is bonded directly to two ring carbons of the same cyclo which carbons are members of one cyclo only (e.g., isoindoles, hydrogenated isoindoles, etc.):
 This subclass is indented under subclass 284.  Compositions wherein the ring nitrogen of the five-membered hetero ring is bonded directly to two ring carbons of the same cyclo, which carbons are members of one cyclo only.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 286]    286Benzene ring bonded directly to the ring nitrogen of the five-membered hetero ring:
 This subclass is indented under subclass 285.  Compositions wherein the ring nitrogen of the five-membered hetero ring is bonded directly to a benzene ring.
  
[List of Patents for class 504 subclass 287]    287Having -C(=X)-, wherein X is chalcogen, bonded directly to the five-membered hetero ring:
 This subclass is indented under subclass 283.  Compositions in which -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the five-membered hetero ring.
  
[List of Patents for class 504 subclass 288]    288Sulfur containing hetero ring:
 This subclass is indented under subclass 209.  Compositions which contain a hetero ring having sulfur as a ring member.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 289]    289The hetero ring is five-membered:
 This subclass is indented under subclass 288.  Compositions wherein the hetero ring is five-membered.
  
[List of Patents for class 504 subclass 290]    290Plural ring hetero atoms in the hetero ring:
 This subclass is indented under subclass 289.  Compositions wherein the hetero ring contains at least one ring hetero atom in addition to the ring sulfur.
  
[List of Patents for class 504 subclass 291]    291Oxygen containing hetero ring:
 This subclass is indented under subclass 209.  Compositions which contain a hetero ring having oxygen as a ring member.
  
[List of Patents for class 504 subclass 292]    292The hetero ring is six-membered:
 This subclass is indented under subclass 291.  Compositions wherein the hetero ring is six-membered.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117,for active ingredients which contain six-membered hetero oxygen compounds derived from micro-organisms or fermentation processes.
  
[List of Patents for class 504 subclass 293]    293Plural ring oxygens in the hetero ring:
 This subclass is indented under subclass 292.  Compositions in which the hetero ring contains at least two ring oxygens.
  
[List of Patents for class 504 subclass 294]    294The hetero ring is five-membered:
 This subclass is indented under subclass 291.  Compositions wherein the hetero ring is five-membered.
  
[List of Patents for class 504 subclass 295]    295Plural ring oxygens in the hetero ring:
 This subclass is indented under subclass 294.  Compositions in which the hetero ring contains at least two ring oxygens.
  
[List of Patents for class 504 subclass 296]    296Polycyclo ring system having the hetero ring as one of the cyclos (e.g., methylenedioxyphenyls, etc.):
 This subclass is indented under subclass 295.  Compositions wherein the hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 297]    297Polycyclo ring system having the hetero ring as one of cyclos:
 This subclass is indented under subclass 294.  Compositions wherein the hetero ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 504 subclass 298]    298Bicyclo ring system having the hetero ring as one of the cyclos:
 This subclass is indented under subclass 297.  Compositions in which the polycyclo ring system consists of exactly two rings.
  
[List of Patents for class 504 subclass 299]    299Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring:
 This subclass is indented under subclass 294.  Compositions in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), or -C(=X)-, wherein X is chalcogen, is bonded directly to the hetero ring.
  
[List of Patents for class 504 subclass 300]    300Containing -NH-C(=X)X-, wherein the X"s are the same or diverse chalcogens and substitution may be made for hydrogen only (e.g., carbamates, thiocarbamates, etc.):
 This subclass is indented under subclass 189.  Compositions in which the organic active compound contains the NH-C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) and substitution may be made for hydrogen only.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 301]    301Plural -NH-C(=X)X- groups:
 This subclass is indented under subclass 300.  Compositions wherein the organic active compound contains more than one -NH-C(=X)X- group.
  
[List of Patents for class 504 subclass 302]    302Nitrogen, cyano, chalcogen, or additional -C(=X)- bonded directly to the nitrogen:
 This subclass is indented under subclass 300.  Compositions wherein the nitrogen of the -NH-C(=X)X- group is bonded directly to nitrogen, cyano, chalcogen, or an additional -C(=X)- group.
  
[List of Patents for class 504 subclass 303]    303Nitrogen or additional chalcogen attached indirectly to the nitrogen by acyclic nonionic bonding:
 This subclass is indented under subclass 300.  Compositions wherein the nitrogen of the -NH-C(=X)X- group is attached indirectly to nitrogen or an additional chalcogen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 304]    304Benzene ring bonded directly to the nitrogen:
 This subclass is indented under subclass 300.  Compositions wherein the nitrogen of the -NH-C(=X)X- group is bonded directly to a benzene ring.
  
[List of Patents for class 504 subclass 305]    305Benzene ring attached indirectly to the nitrogen by nonionic bonding:
 This subclass is indented under subclass 300.  Compositions wherein the nitrogen of the -NH-C(=X)X- group is attached indirectly to a benzene ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 306]    306Containing -X-C(=X)X-, wherein the X"s are the same or diverse chalcogens (e.g., carbonates, thiocarbonates, xanthates, etc.):
 This subclass is indented under subclass 189.  Compositions in which the organic active compound contains the-X-C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 307]    307Containing -C(=X)X-, wherein the X"s are the same or diverse chalcogens, and at least one X is other than oxygen (e.g., thiocarboxylates, etc.):
 This subclass is indented under subclass 189.  Compositions in which the organic active compound contains the-C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) and at least one X is other than oxygen.
(1) Note. An example of a compound provided for herein is

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[List of Patents for class 504 subclass 308]    308Carbon bonded directly to -NCX or -XCN, wherein X is chalcogen (e.g., cyanate, thiocyanate, or isothiocyanate, etc.):
 This subclass is indented under subclass 189.  Compositions in which the organic active compound contains a -NCX or -XCN group, wherein the X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to carbon.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 309]    309Cyano or isocyano bonded directly to carbon:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains carbon bonded directly to a cyano (-CN) or isocyano (-NC) group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 310]    310Benzene ring bonded directly to the cyano or isocyano group:
 This subclass is indented under subclass 309.  Compositions wherein the cyano or isocyano group is bonded directly to a benzene ring.
  
[List of Patents for class 504 subclass 311]    311Two benzene rings bonded directly to the same oxygen (e.g., phenoxyphenyl compounds, etc.):
 This subclass is indented under subclass 310.  Compositions wherein a single oxygen is bonded directly to two benzene rings.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 312]    312Nitrogen, other than as nitro or nitroso, attached indirectly to the cyano or isocyano group by nonionic bonding:
 This subclass is indented under subclass 309.  Compositions wherein the cyano or isocyano group is attached indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached indirectly to the cyano or isocyano group by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also attached.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 313]    313Carboxylic acid ester (i.e., Z-C(=O) O- wherein Z is hydrogen or an organic radical bonded to the -C(=O)- group by a carbon and the single bonded oxygen of the-C(=O)O- group is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon):
 This subclass is indented under subclass 189.  Compositions in which the organic active compound is of the formula Z-C(=O) O- wherein Z is hydrogen or an organic radical bonded to the -C(=O) - group by a carbon and the single bonded oxygen of the -C (=O) O- group is bonded directly to carbon which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 314]    314Z contains a benzene ring:
 This subclass is indented under subclass 313.  Compositions wherein Z contains a benzene ring.
  
[List of Patents for class 504 subclass 315]    315Z contains sulfur or nitrogen, other than as nitro or nitroso, attached directly or indirectly to the benzene ring by nonionic bonding:
 This subclass is indented under subclass 314.  Compositions wherein Z contains a benzene ring attached directly or indirectly to sulfur or nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to the benzene ring by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 316]    316Z contains two benzene rings bonded directly to the same chalcogen (e.g., phenoxybenzoates, etc.):
 This subclass is indented under subclass 314.  Compositions wherein Z contains two benzene rings bonded directly to the same chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 317]    317Z contains oxygen bonded directly to the benzene ring and indirectly bonded to the -C(=O) O- group through an acyclic carbon or acyclic carbon chain (e.g., phenoxyacetates, etc.):
 This subclass is indented under subclass 314.  Compositions wherein Z contains oxygen bonded directly to the benzene ring and indirectly bonded to the-C(=O) O- group through an acyclic carbon or acyclic carbon chain.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 318]    318The benzene ring is bonded directly to the carbon of the -C(=O) O- group (e.g., benzoates, etc.):
 This subclass is indented under subclass 314.  Compositions wherein the carbon of the -C(=O) O- group is bonded directly to the benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 504 subclass 318

  
[List of Patents for class 504 subclass 319]    319Z contains nitrogen, sulfur, or halogen attached indirectly to the -C(=O) O- group by nonionic bonding:
 This subclass is indented under subclass 313.  Compositions wherein Z contains nitrogen, sulfur, or halogen attached indirectly to the -C(=O) O- group by nonionic bonding.
  
[List of Patents for class 504 subclass 320]    320Carboxylic acid, carboxylic acid salt, carboxylic acid anhydride, or carboxylic acid halide:
 This subclass is indented under subclass 189.  Composition in which the organic active compound contains a -C(=O)-O-C(=O) -, -C (=O) - halo, wherein halo is halogen, or a -C (=O)-O- X group, wherein X is hydrogen or a cation.
  
[List of Patents for class 504 subclass 321]    321Benzene ring containing:
 This subclass is indented under subclass 320.  Compositions which contain a benzene ring.
  
[List of Patents for class 504 subclass 322]    322Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the benzene ring by nonionic bonding:
 This subclass is indented under subclass 321.  Compositions wherein the benzene ring is attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to the benzene ring by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
  
[List of Patents for class 504 subclass 323]    323Oxygen is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and a -C (=O) O- group (e.g., 2, 4-dichlorophenoxyacetic acids, etc.):
 This subclass is indented under subclass 321.  Compositions wherein oxygen is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and a -C (=O) O- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 504 subclass 323

  
[List of Patents for class 504 subclass 324]    324The benzene ring is bonded directly to the carbon of a -C (=O)O- group (e.g., benzoic acids, etc.):
 This subclass is indented under subclass 321.  Compositions wherein the carbon of a -C (=O) O- group is bonded directly to the benzene ring.
(1) Note. An example of a compound provided for herein is

Image 1 for class 504 subclass 324

  
[List of Patents for class 504 subclass 325]    325Containing halogen bonded directly to carbon (e.g., trichloroacetates, etc.):
 This subclass is indented under subclass 320.  Compositions which contain carbon bonded directly to halogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 504 subclass 325

  
[List of Patents for class 504 subclass 326]    326Containing nitrogen, other than as nitro or nitroso, attached directly or indirectly to carbon by nonionic bonding:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains carbon attached directly or indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached directly or indirectly to carbon by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 504 subclass 326

  
[List of Patents for class 504 subclass 327]    327Ureas or thioureas (i.e., HNH-C (=X)-HNH, wherein X is oxygen or sulfur and substitution may be made for hydrogen only):
 This subclass is indented under subclass 326.  Compositions which contain HNH-C(=X)-HNH, wherein X is oxygen or sulfur and substitution may be made for hydrogen only.
(1) Note. Isoureas, isothioureas, pseudoureas, and pseudothioureas are not provided for in this subclass.
  
[List of Patents for class 504 subclass 328]    328Nitrogen or -C(=X)- attached directly to urea or thiourea nitrogen by nonionic bonding (e.g., biurets, semicarbazones, etc.):
 This subclass is indented under subclass 327.  Compositions wherein a urea or thiourea nitrogen is attached directly to nitrogen or -C(=X)- by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 504 subclass 328

Image 2 for class 504 subclass 328

  
[List of Patents for class 504 subclass 329]    329Sulfur attached directly or indirectly to urea or thiourea nitrogen by nonionic bonding:
 This subclass is indented under subclass 327.  Compositions wherein a urea or thiourea nitrogen is attached directly or indirectly to sulfur by nonionic bonding.
  
[List of Patents for class 504 subclass 330]    330Benzene ring attached directly or indirectly to urea or thiourea nitrogen by nonionic bonding:
 This subclass is indented under subclass 327.  Compositions wherein a urea or thiourea nitrogen is attached directly or indirectly to a benzene ring by nonionic bonding.
  
[List of Patents for class 504 subclass 331]    331Nitrogen, other than as nitro or nitroso, or -C(=X) -, attached indirectly to the urea or thiourea nitrogen by nonionic bonding, or alicyclic ring attached directly or indirectly to urea or thiourea nitrogen by nonionic bonding:
 This subclass is indented under subclass 330.  Compositions wherein a urea or thiourea nitrogen is attached directly or indirectly to an alicyclic ring by nonionic bonding, or is attached indirectly to nitrogen, other than as nitro or nitroso (-NO2 or -NO), or -C(=X) - by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 504 subclass 331

Image 2 for class 504 subclass 331

  
[List of Patents for class 504 subclass 332]    332Plural benzene rings containing:
 This subclass is indented under subclass 330.  Compositions which contain two or more benzene rings.
  
[List of Patents for class 504 subclass 333]    333Containing -NH- (O=) S(=O)-, wherein substitution may be made for hydrogen only (e.g., sulfonamides, sulfamides, etc.):
 This subclass is indented under subclass 326.  Compositions which contain the -NH-(O=) S(=O)- group, wherein substitution may be made for hydrogen only.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 504 subclass 334]    334Carboxamides or thiocarboxamides (i.e., R-(C=X) NH2, wherein X is oxygen or sulfur, R is carbon or hydrogen, and substitution may be made for hydrogen only):
 Compositions under 326 which contain R- (C=X) NH2, wherein X is oxygen or sulfur, R is carbon or hydrogen, and substitution may be may for hydrogen only.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 335]    335Plural R-C (=X) NH2 groups containing:
 This subclass is indented under subclass 334.  Compositions which contain two or more R-C(=X)NH2 groups.
  
[List of Patents for class 504 subclass 336]    336R contains benzene ring:
 This subclass is indented under subclass 334.  Compositions wherein R contains a benzene ring.
  
[List of Patents for class 504 subclass 337]    337The benzene ring is bonded directly to the carbon of the - (C=X)NH2 group (e.g., benzamides, etc.):
 This subclass is indented under subclass 336.  Compositions wherein the carbon of the - (C=X) NH2 group is bonded directly to the benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 504 subclass 337

  
[List of Patents for class 504 subclass 338]    338Chalcogen is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and the -C (=X)NH2 group, (e.g., phenoxyalkylamides, etc.):
 This subclass is indented under subclass 336.  Compositions wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the benzene ring and is part of an acyclic chain between the benzene ring and the -C (=X) NH2 group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 339]    339R is acyclic:
 This subclass is indented under subclass 334.  Compositions wherein R does not contain a ring.
  
[List of Patents for class 504 subclass 340]    340Halogen bonded directly to carbon in R (e.g., chloroacetamides, etc.):
 This subclass is indented under subclass 339.  Compositions wherein a carbon atom in R is bonded directly to halogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 341]    341Benzene ring bonded directly to the carboxamide or thiocarboxamide nitrogen:
 This subclass is indented under subclass 340.  Compositions wherein the carboxamide or thiocarboxamide nitrogen is bonded directly to a benzene ring.
  
[List of Patents for class 504 subclass 342]    342The carboxamide or thiocarboxamide nitrogen and a chalcogen are directly attached to the same acyclic carbon or acyclic carbon chain:
 This subclass is indented under subclass 341.  Compositions wherein an acyclic carbon or an acyclic carbon chain are attached to both a chalcogen and to the carboxamide or thiocarboxamide nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 343]    343Nitrogen double bonded directly to carbon:
 This subclass is indented under subclass 326.  Compositions wherein carbon is double bonded directly to the nitrogen.
  
[List of Patents for class 504 subclass 344]    344Oximes (i.e, HCH=N-OH, wherein substitution may be made for hydrogen only):
 This subclass is indented under subclass 343.  Compositions which contain the -CH=N-O- group, wherein substitution may be made for hydrogen only:
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 504 subclass 345]    345Quaternary ammonium containing:
 This subclass is indented under subclass 326.  Compositions which contain a pentavalent nitrogen bonded by four valences to carbon.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 346]    346Containing -N=N-, -NH-NH-, or -NH-X-, wherein X is chalcogen and substitution may be made for hydrogen only:
 This subclass is indented under subclass 326.  Compositions which contain the -N=N-, -NH-NH-, or NH-X- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and substitution may be made for hydrogen only.
  
[List of Patents for class 504 subclass 347]    347The nitrogen and a nitro group bonded directly to the same benzene ring (e.g., nitroanilines, etc.):
 This subclass is indented under subclass 326.  Compositions wherein a single benzene ring is bonded directly to both the nitrogen and a nitro group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 348]    348Ketones or aldehydes:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains a -(C=O)- group bonded directly to two carbon atoms, to a carbon and a hydrogen atom or to two hydrogen atoms.
  
[List of Patents for class 504 subclass 349]    349Sulfur, selenium, or tellurium compound (e.g., thioalcohols, mercaptans, etc.):
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains sulfur, selenium, or tellurium.
  
[List of Patents for class 504 subclass 350]    350Chalcogen bonded directly to sulfur (e.g., sulfones, etc.):
 This subclass is indented under subclass 349.  Compositions which contain sulfur bonded directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 351]    351Ethers:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains an oxygen bonded directly to two carbon atoms.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 504 subclass 352]    352Plural benzene rings bonded directly to the same oxygen:
 This subclass is indented under subclass 351.  Compositions wherein the same oxygen is bonded directly to two benzene rings.
  
[List of Patents for class 504 subclass 353]    353Hydroxy bonded directly to carbon (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal):
 This subclass is indented under subclass 189.  Compositions in which the organic active compound contains carbon bonded directly to a hydroxy group, wherein the hydrogen of the -OH group may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.
  
[List of Patents for class 504 subclass 354]    354Benzene ring containing:
 This subclass is indented under subclass 353.  Compositions which contain a benzene ring.
  
[List of Patents for class 504 subclass 355]    355Nitro containing (e.g., nitrobenzenes, etc.):
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains a -NO2 group.
(1) Note. An example of a compound provided for herein is

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[List of Patents for class 504 subclass 356]    356Halogenated hydrocarbons:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound contains carbon bonded to halogen.
  
[List of Patents for class 504 subclass 357]    357Hydrocarbons:
 This subclass is indented under subclass 189.  Compositions wherein the organic active compound consists of carbon and hydrogen only.
  
[List of Patents for class 504 subclass 358]    358Designated nonactive ingredient containing:
 Subject matter under subclass definition 116.1 wherein the active ingredient is stated, or described in nominal terms as a type of plant growth regulant, and a non-plant growth regulating ingredient is specified, i.e., by name, chemical structure, or partial chemical structure.
  
[List of Patents for class 504 subclass 359]    359Microencapsulating or encapsulating agent:
 This subclass is indented under subclass 358.  Subject matter wherein the plant growth regulant is microcapsulated or encapsulated by a nonactive ingredient, which usually surrounds the active ingredient; the active ingredient is often present as a droplet, with the encapsulating ingredient as a thin film.
(1) Note. The encapsulating ingredient includes, but is not limited to, solid condensation resins such as polyurethanes, polyureas, etc.

SEE OR SEARCH CLASS:

264Plastic and Nonmetallic Article Shaping or Treating: Processes,   subclass 4 for processes of making microcapsules.
  
[List of Patents for class 504 subclass 360]    360Solid resin containing (e.g., film-forming resins, etc.):
 This subclass is indented under subclass 358.  Subject matter wherein the designated nonactive ingredient is a solid resin.
(1) Note. The resin must be stated as being a solid, or described as being film forming, elastomeric, or in some other way indicated as clearly being solid to be in this subclass.
(2) Note. Examples of solid resins include condensation resins such as polyesters, polyurethanes, polyureas, etc.

SEE OR SEARCH CLASS:

523Synthetic Resins, Natural Rubbers,   subclass 122 , for synthetic resin compositions having biocidal or biostatic properties, and subclass 123, for synthetic resin plant receptacle compositions.
  
[List of Patents for class 504 subclass 361]    361The resin is derived from ethylenically unsaturated monomer only (e.g., addition resins, natural rubbers, etc.):
 This subclass is indented under subclass 360.  Subject matter wherein the solid resin is derived only from one or more monomers of the formula: R1HC=CHR2, wherein R1 and R2 are H or organic radicals.
(1) Note. Natural rubbers are included in this subclass.
(2) Note. A resin derived from an ethylenically unsaturated monomer is assumed to be solid, unless stated otherwise.
  
[List of Patents for class 504 subclass 362]    362Liquid carrier containing (e.g., water, hydrocarbon, etc.):
 This subclass is indented under subclass 358.  Subject matter wherein the designated nonactive ingredient is a liquid carrier, which carrier may be a liquid or a mixture of liquids, which liquids may be organic or inorganic.
  
[List of Patents for class 504 subclass 363]    363Emulsion or foam (i.e., liquid continuous phase, and liquid or gas discontinuous phase):
 This subclass is indented under subclass 362.  Subject matter wherein a continuous liquid phase is present, and (a) a discontinuous gas phase is present for a foam, or (b) a discontinuous liquid phase is present for an emulsion.
(1) Note. The emulsion may be water continuous- organic discontinuous, or water discontinuous-organic continuous phases. An emulsifier is usually present to stabilize the emulsion.

SEE OR SEARCH CLASS:

516Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,   subclasses 10 through 19, for foams, per se, and subclasses 9 and 20-76, for emulsions, per se.
  
[List of Patents for class 504 subclass 364]    364Emulsifier or foaming agent containing a sulfonic acid, a metal salt thereof, or an unsubstituted or n-monosubstituted amide thereof:
 This subclass is indented under subclass 363.  Subject matter wherein an emulsifier or foaming agent of the formula R1S02R2, wherein R1 is MO, or R3NH, M is H or a metal, R3 is an organic radical or H, and R2 is an organic radical, is present to stabilize the foam or emulsion.
  
[List of Patents for class 504 subclass 365]    365Organic nitrogen containing solvent, emulsifier, or foaming agent of formula R1N(R2)2 :
 This subclass is indented under subclass 363.  Subject matter wherein an organic solvent, emulsifier, or foaming agent present is of the formula R1N(R2)2, wherein R1 is an organic radical, and R2 is H or an organic radical.
(1) Note. The nitrogen may be a member of a hetero ring.
  
[List of Patents for class 504 subclass 366]    366Gel (i.e., a colloidal solution of a liquid in a solid):
 This subclass is indented under subclass 362.  Subject matter wherein the plant growth regulant is incorporated in a gel.
(1) Note. Examples of gelling agents include, but are not limited to, polysaccharides, proteins, and silica.

SEE OR SEARCH CLASS:

516Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,   subclasses 98 through 112for gels, per se.
  
[List of Patents for class 504 subclass 367]    367Granular or pulverulent designated nonactive ingredient containing:
 This subclass is indented under subclass 358.  Subject matter wherein the final form of the composition is granular (grainy), or pulverulent (fine powder or dust).
(1) Note. Examples of inert ingredients proper for this subclass include, but are not limited to, clays, and other inert carriers, wetting agents, etc.
  

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