US PATENT SUBCLASS 556 / 131
.~.~.~.~ The chalcogen is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens


Current as of: June, 1999
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556 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
1  DF  .~ HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19}
118  DF  .~.~ Zinc, cadmium, or mercury containing (Zn, Cd, or Hg) {3}
130  DF  .~.~.~ Chalcogen bonded directly to the metal {2}
131.~.~.~.~ The chalcogen is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens {3}
132  DF  .~.~.~.~.~> Carbocyclic ring bonded directly to the carbon of the -C(=X)X- group
133  DF  .~.~.~.~.~> The carbons of plural -C(=X)X- groups are bonded directly to each other, to the same carbon, or to a chain consisting of carbons, which carbons, which carbons may be part of a ring (e.g., zinc glutamates, etc.)
134  DF  .~.~.~.~.~> Nitrogen containing (e.g., zinc ethionates, etc.)


DEFINITION

Classification: 556/131

(under subclass 130) Compounds in which the chalcogen is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens.