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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:

Image 1 for class 504 subclass 155

  
[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:

Image 1 for class 504 subclass 156

  
[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:

Image 1 for class 504 subclass 157

  
[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:

Image 1 for class 504 subclass 158

  
[List of Patents for class 504 subclass 159] <