US PATENT SUBCLASS 534 / 860
.~.~.~.~ Acyclic -C(=X)- containing, wherein X is chalcogen (e.g., carbonyl, etc.)

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}
838  DF  .~.~ Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding {3}
839  DF  .~.~.~ Plural benzene rings bonded directly to the azo group {5}
860.~.~.~.~ Acyclic -C(=X)- containing, wherein X is chalcogen (e.g., carbonyl, etc.) {1}
861  DF  .~.~.~.~.~> Hydroxy bonded directly to a bicyclo ring system (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) {2}

DEFINITION

Classification: 534/860

(under subclass 839) Compounds which contain an acyclic -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium

or tellurium).

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