US PATENT SUBCLASS 558 / 400
.~.~.~.~.~ Cyano or carbonyl bonded directly to an acyclic carbon which is double bonded to another carbon

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
303  DF  .~ Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {21}
388  DF  .~.~ Benzene ring attached indirectly to the cyano group by acyclic nonionic bonding {5}
389  DF  .~.~.~ Non-carbon atom in acyclic chain between the benzene ring and the cyano group {3}
398  DF  .~.~.~.~ Having -COO- in the chain {2}
400.~.~.~.~.~ Cyano or carbonyl bonded directly to an acyclic carbon which is double bonded to another carbon

DEFINITION

Classification: 558/400

(under subclass 398) Compounds wherein an acyclic carbon which is double bonded to another carbon is also bonded directly to cyano or to carbonyl.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]