US PATENT SUBCLASS 534 / 812
.~.~.~.~.~ Plural -C(=X)- groups containing

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

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
809  DF  .~.~ Exactly three azo groups attached indirectly to each other by nonionic bonding {3}
810  DF  .~.~.~ Containing -C(=X)-, wherein X, is chalcogen or nitrogen (e.g., carbonyl, etc.) {1}
811  DF  .~.~.~.~ Nitrogen single bonded directly to the -C(=X)- group (e.g., carboxamide, guanyl, etc.) {1}
812.~.~.~.~.~ Plural -C(=X)- groups containing

DEFINITION

Classification: 534/812

(under subclass 811) Compounds which contain at least two of the -- groups.

(1) Note. An example of a compound provided for herein is: [figure]