US PATENT SUBCLASS 558 / 329
.~.~.~.~ Product contains cyano bonded directly to a benzene ring

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}
308  DF  .~.~ Processes for forming the cyano group {7}
318  DF  .~.~.~ Ammonia utilized {3}
329.~.~.~.~ Product contains cyano bonded directly to a benzene ring

DEFINITION

Classification: 558/329

(under subclass 318) Processes wherein the product of the process contains a denzene ring bonded directly to cyano.

(1) Note. An example of a process provided for herein is: the production of o-aminobenzonitrile by the reaction of oa-nitrotoluene and ammonia in the presence of silica gel.