US PATENT SUBCLASS 552 / 100
.~ Acyclic carbon bonded directly to three benzene rings and to cyano (e.g., triphenylacetonitrile, etc.)

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

*  DD  ORGANIC COMPOUNDS (Class 532, subclass 1) {11}
100.~ Acyclic carbon bonded directly to three benzene rings and to cyano (e.g., triphenylacetonitrile, etc.)

DEFINITION

Classification: 552/100

(under subclass 1) Compounds under Class 532, ... wherein three benzene rings and a cyano group are bonded to the same acyclic carbon.

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