US PATENT SUBCLASS 556 / 114
.~.~.~.~ 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}
110  DF  .~.~ Copper, silver, or gold containing (Cu, Ag, or Au) {3}
113  DF  .~.~.~ Chalcogen bonded directly to the metal {2}
114.~.~.~.~ The chalcogen is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens {2}
115  DF  .~.~.~.~.~> Carbocyclic ring bonded directly to the carbon of the -C(=X)X- group
116  DF  .~.~.~.~.~> Nitrogen containing

DEFINITION

Classification: 556/114

(under subclass 113) Compounds in which the chalcogen is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens.