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 [Search a list of Patent Appplications for class 544]   CLASS 544,ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
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SUBCLASSES

[List of Patents for class 544 subclass 1]    1Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 540, ... which contain a six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen.

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588, Hazardous or Toxic Waste Destruction or Containment,   appropriate subclasses for the chemical destruction of hazardous or toxic waste.
  
[List of Patents for class 544 subclass 2]    2Six-membered hetero ring consists of oxygen, sulfur, nitrogen and carbon (e.g., oxathiazines, etc.)
 This subclass is indented under subclass 1.  Compounds wherein the six- membered hetero ring includes at least one atom each of oxygen, sulfur, nitrogen and carbon and contains no other elements as ring members.
  
[List of Patents for class 544 subclass 3]    3Six-membered hetero ring consists of sulfur, nitrogen, and carbon
 This subclass is indented under subclass 1.  Compounds wherein the six- membered hetero ring includes at least one atom each of sulfur, nitrogen and carbon and contains no other elements as ring members.
  
[List of Patents for class 544 subclass 4]    4Heavy metal or aluminum containing
 This subclass is indented under subclass 3.  Compounds which include aluminum or a metal having a specific gravity greater than four.
(1) Note. Arsenic is considered a metal.
  
[List of Patents for class 544 subclass 5]    5Plural sulfurs in the six-membered hetero ring (e.g., dithiazines, etc.)
 This subclass is indented under subclass 3.  Compounds wherein the six-membered hetero ring contains at least two ring sulfurs in addition to the nitrogen and carbon.
  
[List of Patents for class 544 subclass 6]    6Spiro
 This subclass is indented under subclass 3.  Compounds which contain a spiro ring system.
  
[List of Patents for class 544 subclass 7]    7Plural nitrogens in the six-membered hetero ring (e.g., thiatriazines, etc.)
 This subclass is indented under subclass 3.  Compounds wherein the six-membered hetero ring contains at least two atoms of nitrogen in addition to the sulfur and carbon.
  
[List of Patents for class 544 subclass 8]    8Thiadiazines
 This subclass is indented under subclass 7.  Compounds wherein the six-membered hetero ring consists of two nitrogen atoms, one sulfur atom and three carbon atoms.
  
[List of Patents for class 544 subclass 9]    9Polycyclo ring system having the thiadiazine ring as one of the cyclos
 This subclass is indented under subclass 8.  Compounds wherein the thiadiazine ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 544 subclass 10]    10Bicyclo ring system having the thiadiazine ring as one of the cyclos
 This subclass is indented under subclass 9.  Compounds wherein the polycyclo ring system consists of two rings, one of which is the thiadiazine ring.
  
[List of Patents for class 544 subclass 11]    11Benzothiadiazines
 This subclass is indented under subclass 10.  Compounds wherein the bicyclo ring system consists of the thiadiazine ring and a benzene ring.
  
[List of Patents for class 544 subclass 12]    121,2,4-benzothiadiazines
 This subclass is indented under subclass 11.  Compounds wherein the sulfur atom is in the 1-position and the nitrogen atoms are in the 2- and 4-positions of the six-membered hetero ring.
(1) Note. An example of a structure provided for herein is:

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[List of Patents for class 544 subclass 13]    13Sulfamyl or substituted sulfamyl containing
 This subclass is indented under subclass 12.  Compounds which contain a sulfamyl or substituted sulfamyl group; viz., -SO2N or -SO2N=.
(1) Note. The diuretic 1, 2, 4-benzothiadiazines with benzosulfamyl substituents are provided for herein.
  
[List of Patents for class 544 subclass 14]    14Polycyclo ring system having the six-membered hetero ring as one of the cyclos
 This subclass is indented under subclass 3.  Compounds wherein the six-membered hetero ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 544 subclass 31]    31Phenothiazine as three cyclos of polycyclo ring system having at least four cyclos
 This subclass is indented under subclass 14.  Compounds wherein the polycyclo ring system contains four or more rings of which three form the phenothiazine structure.
(1) Note. This subclass provides for compounds such as the structures below, etc.:

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[List of Patents for class 544 subclass 32]    32Tricyclo ring system having the six-membered hetero ring as one of the cyclos
 This subclass is indented under subclass 14.  Compounds in which the polycyclo ring system consists of three rings, one of which is the six-membered hetero ring.
(1) Note. This subclass provides for compounds such as:

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[List of Patents for class 544 subclass 33]    331,2- or 2,1-Thiazine ring in the tricyclo ring system (e.g., hydrogenated 1,2-benzothiazine in tricyclo ring system, etc.)
 This subclass is indented under subclass 32.  Compounds in which the ring sulfur and ring nitrogen of the six-membered hetero ring are in adjacent positions.
(1) Note. This subclass provides for compounds such as:

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[List of Patents for class 544 subclass 34]    34Plural ring nitrogens in the tricyclo ring system
 This subclass is indented under subclass 32.  Compounds wherein the tricyclo ring system contains at least two ring nitrogens.
(1) Note. This subclass provides for compounds such as the structures below, etc.:

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[List of Patents for class 544 subclass 35]    35Phenothiazines (including hydrogenated)
 This subclass is indented under subclass 32.  Compounds wherein the tricyclo ring system has the following basic structure, in which the bonds between ring members may be double or single bonds.

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[List of Patents for class 544 subclass 36]    36Purification or recovery
 This subclass is indented under subclass 35.  Processes wherein the phenothiazine containing compound is separated from impurities or from the reaction mixture.
  
[List of Patents for class 544 subclass 37]    37Nitrogen bonded directly to phenothiazine ring system
 This subclass is indented under subclass 35.  Compounds which include nitrogen bonded directly to the phenothiazine ring system.
(1) Note. This subclass provides largely for phenothiazine dyes which have one or more substituted amino groups on the benzo moiety, such as leuco methylene blue,

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(2) Note. This subclass also provides for any nitrogen containing substituent wherein the nitrogen atom is bonded directly to the benzo rings; e.g., the structure below.

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[List of Patents for class 544 subclass 38]    38Carbon bonded directly to ring nitrogen of phenothiazine ring system
 This subclass is indented under subclass 35.  Compounds which contain carbon bonded directly to the ring nitrogen of the phenothiazine ring system.
  
[List of Patents for class 544 subclass 39]    39Divalent chalcogen double bonded directly to the carbon
 This subclass is indented under subclass 38.  Compounds wherein divalent chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is double bonded directly to the carbon which is bonded directly to the ring nitrogen of the phenothiazine ring system.
  
[List of Patents for class 544 subclass 40]    40Additional chalcogen bonded directly to the carbon
 This subclass is indented under subclass 39.  Compounds which include the structure below bonded directly to the ring nitrogen of the phenothiazine ring system, or an analog of another chalcogen (i.e., oxygen, sulfur, selenium or tellurium).

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[List of Patents for class 544 subclass 41]    41Nitrogen containing substituent bonded to nitrogen of phenothiazine ring system
 This subclass is indented under subclass 38.  Compounds wherein a nitrogen containing substituent is bonded directly to the ring nitrogen of the phenothiazine ring system.
(1) Note. This subclass provides for phenothiazines of the following type:

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[List of Patents for class 544 subclass 42]    42Nitrogen containing hetero ring in the nitrogen containing substituent (e.g., oxazole, etc.)
 This subclass is indented under subclass 41.  Compounds in which the nitrogen containing substituent includes a hetero ring, which hetero ring has at least nitrogen as a ring hetero atom.
(1) Note. Examples of compounds provided for herein are:

(a)

(a)

(b)

(b)

(2) Note. The substituent may contain a phenothiazine ring as its nitrogen containing hetero ring.
  
[List of Patents for class 544 subclass 43]    43Plural hetero rings in the nitrogen containing substituent
 This subclass is indented under subclass 42.  Compounds in which the nitrogen containing substituent includes at least two hetero rings.
(1) Note. Included in this subclass are structures such as:

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[List of Patents for class 544 subclass 44]    44Piperazine ring in the nitrogen containing substituent
 This subclass is indented under subclass 42.  Compounds in which the hetero ring in the nitrogen containing substituent is a fully hydrogenated six-membered ring having nitrogen in the 1- and 4-positions and carbon in the other four positions.
  
[List of Patents for class 544 subclass 45]    45Chalcogen in the nitrogen containing substituent
 This subclass is indented under subclass 44.  Compounds which include chalcogen (i.e., oxygen, sulfur, selenium or tellurium) in the nitrogen containing substituent.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 544 subclass 46]    46Chalcogen in the nitrogen containing substituent
 This subclass is indented under subclass 42.  Compounds which include chalcogen (i.e., oxygen, sulfur, selenium or tellurium) in the nitrogen containing substituent.
  
[List of Patents for class 544 subclass 47]    47Bicyclo ring system having the six-membered hetero ring as one of the cyclos
 This subclass is indented under subclass 14.  Compounds wherein the polycyclo ring system consists of exactly two rings, one of which is the six-membered hetero ring.
(1) Note. An example of a compo und provided for herein is:

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[List of Patents for class 544 subclass 48]    48Three or more ring hetero atoms in the bicyclo ring system
 This subclass is indented under subclass 47.  Compounds wherein the bicyclo ring system contains at least one ring hetero atom in addition to the ring sulfur and ring nitrogen of the thiazine ring.
(1) Note. An example of a structure provided for herein is:

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[List of Patents for class 544 subclass 49]    49Benzothiazines (including hydrogenated)
 This subclass is indented under subclass 47.  Compounds wherein the bicyclo ring system consists of a benzene ring sharing two adjacent carbons of the six-membered hetero ring.
(1) Note. The following shows the position numbering used for benzothiazines: It is pointed out that the two carbons common to both rings are not numbered. The nitrogen and sulfur may be in any of positions 1, 2, 3, and 4.

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(2) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 544 subclass 50]    501,3- or 3,1-benzothiazines
 This subclass is indented under subclass 49.  Compounds wherein the ring hetero atoms of the benzothiazine ring system are in the 1-and 3-positions.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 544 subclass 51]    511,4-benzothiazines
 This subclass is indented under subclass 49.  Compounds wherein the sulfur and nitrogen atoms of the benzothiazine ring system are in para-position to each other.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 544 subclass 52]    52Double bonded divalent chalcogen containing
 This subclass is indented under subclass 51.  Compounds which include a double bonded divalent chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. This subclass is intended to include compounds such as:

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[List of Patents for class 544 subclass 53]    531,3-thiazines
 This subclass is indented under subclass 3.  Compounds wherein the six-membered hetero ring has sulfur in the 1-position, nitrogen in the 3-position and carbon in the other four positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds.

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[List of Patents for class 544 subclass 54]    54Double bonded divalent chalcogen containing
 This subclass is indented under subclass 53.  Compounds which include a double bonded divalent chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
  
[List of Patents for class 544 subclass 55]    55Additional hetero ring containing
 This subclass is indented under subclass 53.  Compounds which include an additional hetero ring.
  
[List of Patents for class 544 subclass 56]    561,4-thiazines
 This subclass is indented under subclass 3.  Compounds wherein the six-membered hetero ring has sulfur in the 1-position, nitrogen in the 4-position and carbon in the other four positions.
  
[List of Patents for class 544 subclass 57]    57Phosphorus containing
 This subclass is indented under subclass 56.  Compounds which include phosphorus in a salt or attached by nonionic bonding.
  
[List of Patents for class 544 subclass 58.1]    58.1Double bonded divalent chalcogen containing
 This subclass is indented under subclass 56.  Compounds which include double bonded divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 544 subclass 58.2]    58.2Divalent chalcogen double bonded directly to the thiazine ring
 This subclass is indented under subclass 58.1.  Compounds wherein divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is double bonded directly to the thiazine ring.
  
[List of Patents for class 544 subclass 58.4]    58.4Having -C(=X)-, wherein X is chalcogen, bonded directly to the thiazine ring
 This subclass is indented under subclass 58.1.  Compounds wherein a group, in which X is chalcogen (i.e. oxygen, sulfur, selenium, or tellurium), is bonded directly to the thiazine ring.
  
[List of Patents for class 544 subclass 58.5]    58.5Additional hetero ring containing
 This subclass is indented under subclass 58.1.  Compounds which include an additional hetero ring.

SEE OR SEARCH THIS CLASS, SUBCLASS:

58.6,for compounds in which the additional hetero ring is also a thiazine ring.
  
[List of Patents for class 544 subclass 58.6]    58.6Ring nitrogen in the additional hetero ring, which is six-membered
 This subclass is indented under subclass 58.5.  Compounds having, in addition to the thiazine ring, a six-membered hetero ring which has at least one ring nitrogen.
(1) Note. The additional six-membered hetero ring may be another thiazine ring.
  
[List of Patents for class 544 subclass 58.7]    58.7Ring chalcogen in the additional hetero ring
 This subclass is indented under subclass 58.5.  Compounds having, in addition to the thiazine ring, a hetero ring which includes a ring 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 544 subclass 59]    59Thiomorpholines (i.e., fully hydrogenated 1,4-thiazines)
 This subclass is indented under subclass 56.  Compounds in which the six-membered hetero ring contains no double bonds.
  
[List of Patents for class 544 subclass 60]    60Additional hetero ring containing
 This subclass is indented under subclass 59.  Compounds which include an additional hetero ring.
(1) Note. This subclass provides for salts of heterocyclic compounds with thiomorpholine, e.g., illustrated below, etc.

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[List of Patents for class 544 subclass 61]    61The additional hetero ring is one of the cyclos in a bicyclo ring system
 This subclass is indented under subclass 60.  Compounds wherein the additional hetero ring is a cyclo in a bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 544 subclass 62]    62Benzo is the other cyclo
 This subclass is indented under subclass 61.  Compounds wherein a benzene ring is the other cyclo of the bicyclo ring system.
  
[List of Patents for class 544 subclass 63]    63Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc)
 This subclass is indented under subclass 1.  Compounds in which the six-membered hetero ring consists of oxygen, nitrogen and carbon.
(1) Note. An oxazine ring in a polycyclo ring system is numbered as if it were a single ring and not part of a ring system: therefore, in each of the following:

the oxazine ring is considered to be 1, 3-oxazine and classified accordingly.

the oxazine ring is considered to be 1, 3-oxazine and classifiedaccordingly.

  
[List of Patents for class 544 subclass 64]    64Heavy metal or aluminum containing
 This subclass is indented under subclass 63.  Compounds which contain aluminum or a metal with a specific gravity greater than 4.
(1) Note. Arsenic is considered a metal for the purposes of this subclass.
  
[List of Patents for class 544 subclass 65]    65Plural oxygens in the six-membered hetero ring
 This subclass is indented under subclass 63.  Compounds wherein the six-membered ring contains at least two ring oxygens.
  
[List of Patents for class 544 subclass 66]    66Plural nitrogens in the six-membered hetero ring
 This subclass is indented under subclass 63.  Compounds wherein the six-membered ring contains at least two ring nitrogens.
  
[List of Patents for class 544 subclass 67]    671,3,5-oxadiazines
 This subclass is indented under subclass 66.  Compounds wherein oxygen is in the 1-position, nitrogen is in the 3- and 5-positions and carbon is in the remaining three positions of the six-membered hetero ring.
  
[List of Patents for class 544 subclass 68]    68Oxygen bonded directly to the six-membered hetero ring
 This subclass is indented under subclass 66.  Compounds in which oxygen is bonded directly to the six-membered ring.
  
[List of Patents for class 544 subclass 69]    69Boron or silicon containing
 This subclass is indented under subclass 63.  Compounds which contain boron or silicon.
  
[List of Patents for class 544 subclass 70]    70Spiro
 This subclass is indented under subclass 63.  Compounds which contain a spiro ring system.
  
[List of Patents for class 544 subclass 71]    71Spiro oxazine
 This subclass is indented under subclass 70.  Compounds wherein at least one of the rings in the spiro ring system is a six-membered hetero ring consisting of oxygen, nitrogen and carbon.
  
[List of Patents for class 544 subclass 72]    72Plural oxazine rings
 This subclass is indented under subclass 63.  Compounds having at least two six-membered hetero rings each consisting of one ring oxygen, one ring nitrogen and four ring carbons.
  
[List of Patents for class 544 subclass 73]    73Polycyclo ring system having oxazine ring as at least one of the cyclos
 This subclass is indented under subclass 72.  Compounds in which at least one of the six-membered hetero rings is a cyclo of a polycyclo ring system.
  
[List of Patents for class 544 subclass 74]    74Plural 1,4-oxazine rings are cyclos in the polycyclo ring system
 This subclass is indented under subclass 73.  Compounds wherein the polycyclo ring system contains at least two of the six-membered hetero rings, each having its oxygen in the 1-position and its nitrogen in the 4-position.
  
[List of Patents for class 544 subclass 75]    75Pentacyclo ring system having the oxazine rings as cyclos
 This subclass is indented under subclass 74.  Compounds in which the polycyclo ring system is composed of exactly five rings.
  
[List of Patents for class 544 subclass 76]    76Plural nitrogens bonded directly to the pentacyclo ring system
 This subclass is indented under subclass 75.  Compounds in which two or more nitrogen atoms are directly bonded to the pentacyclo ring system.
  
[List of Patents for class 544 subclass 77]    77Acyclic nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen
 This subclass is indented under subclass 76.  Compounds which contain nitrogen bonded directly to a group, wherein X is chalcogen (i.e. oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 544 subclass 78]    78Plural morpholine rings (i.e., plural fully hydrogenated 1, 4-oxazine rings)
 This subclass is indented under subclass 72.  Compounds which contain at least two of the six-membered hetero rings, each having its oxygen in the 1-position, its nitrogen in the 4-position, and having no double bonds between ring members, i.e., morpholine rings.

SEE OR SEARCH THIS CLASS, SUBCLASS:

69,for compounds having plural morpholine rings and silicon or boron.
  
[List of Patents for class 544 subclass 79]    79Polycyclo ring system
 This subclass is indented under subclass 78.  Compounds which contain a polycyclo ring system.
  
[List of Patents for class 544 subclass 80]    80Ring nitrogen in the polycyclo ring system
 This subclass is indented under subclass 79.  Compounds in which a nitrogen containing hetero ring is part of the polycyclo ring system.
  
[List of Patents for class 544 subclass 81]    81Four or more ring nitrogens in the polycyclo ring system
 This subclass is indented under subclass 80.  Compounds in which the polycyclo ring system contains at least four ring nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 544 subclass 82]    82Additional nitrogen containing hetero ring (e.g., thiazole, etc.)
 This subclass is indented under subclass 78.  Compounds which have, in addition to the morpholine rings, another hetero ring which has a ring nitrogen.
  
[List of Patents for class 544 subclass 83]    83Triazine
 This subclass is indented under subclass 82.  Compounds in which the additional hetero ring is six-membered having three ring nitrogens and three ring carbons.
  
[List of Patents for class 544 subclass 84]    84Phosphorus attached directly or indirectly to a morpholine ring by nonionic bonding
 This subclass is indented under subclass 78.  Compounds wherein phosphorus is attached directly or indirectly to a morpholine ring by nonionic bonding.
  
[List of Patents for class 544 subclass 85]    85Sulfur attached directly or indirectly to a morpholine ring by nonionic bonding
 This subclass is indented under subclass 78.  Compounds wherein sulfur is attached directly or indirectly to a morpholine ring by nonionic bonding.
  
[List of Patents for class 544 subclass 86]    86Nitrogen attached directly or indirectly to a morpholine ring by nonionic bonding
 This subclass is indented under subclass 78.  Compounds wherein nitrogen is attached directly or indirectly to a morpholine ring by nonionic bonding.
  
[List of Patents for class 544 subclass 87]    87Oxygen attached directly or indirectly to a morpholine ring by nonionic bonding
 This subclass is indented under subclass 78.  Compounds wherein oxygen is attached directly or indirectly to a morpholine ring by nonionic bonding.
  
[List of Patents for class 544 subclass 88]    881,3-Oxazines
 This subclass is indented under subclass 63.  Compounds wherein the six-membered hetero ring has oxygen in the 1-position, nitrogen in the 3-position and carbons in the remaining four positions.
  
[List of Patents for class 544 subclass 89]    89Polycyclo ring system having the oxazine ring as one of the cyclos
 This subclass is indented under subclass 88.  Compounds wherein the six-membered hetero ring is a cyclo in a polycyclo ring system.
(1) Note. An oxazine ring in a polycyclo ring system is numbered as if it were a single ring and not part of a ring system; therefore, in each of the following:

the oxazine ring is considered to be 1, 3-oxazine and classified accordingly.

the oxazine ring is considered to be 1, 3-oxazine and classifiedaccordingly.

  
[List of Patents for class 544 subclass 90]    90Bicyclo ring system having the oxazine ring as one of the cyclos
 This subclass is indented under subclass 89.  Compounds in which the polycyclo ring system consists of exactly two rings.
  
[List of Patents for class 544 subclass 91]    91Three or more ring hetero atoms in the bicyclo ring system
 This subclass is indented under subclass 90.  Compounds wherein the bicyclo ring system includes at least one ring hetero atom in addition to the ring oxygen and ring nitrogen of the six-membered hetero ring.
  
[List of Patents for class 544 subclass 92]    92Chalcogen bonded directly to the oxazine ring
 This subclass is indented under subclass 90.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is bonded directly to the six-membered hetero ring.
  
[List of Patents for class 544 subclass 93]    93Plural oxygens bonded directly to the oxazine ring
 This subclass is indented under subclass 92.  Compounds wherein at least two oxygen atoms are bonded directly to the six-membered hetero ring.
  
[List of Patents for class 544 subclass 94]    94Plural oxygens bonded directly to the oxazine ring 3,1-Benzoxazine-2,4- diones (including hydrogenated)
 This subclass is indented under subclass 93.  Compounds which contain the isatoic anhydride configuration, wherein there may be double or single bonds between ring members.

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[List of Patents for class 544 subclass 95]    95Three or more ring hetero atoms in the polycyclo ring system
 This subclass is indented under subclass 89.  Compounds wherein the polycyclo ring system includes at least one ring hetero atom in addition to the ring oxygen and ring nitrogen of the six-membered hetero ring.
  
[List of Patents for class 544 subclass 96]    96Additional hetero ring containing
 This subclass is indented under subclass 88.  Compounds which contain a hetero ring in addition to the six-membered hetero ring.
  
[List of Patents for class 544 subclass 97]