US PATENT SUBCLASS 564 / 490
.~.~.~.~ Of cyano

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
463  DF  .~.~ Acyclic {16}
489  DF  .~.~.~ Forming amine group directly by reduction {2}
490.~.~.~.~ Of cyano {2}
491  DF  .~.~.~.~.~> Of plural cyanos {1}
493  DF  .~.~.~.~.~> Preparing a primary monoamine

DEFINITION

Classification: 564/490

(under subclass 489) Processes wherein the group reduced is a cyano group.

(1) Note. The formation of secondary or tertiary amines by reduction of a nitrile is placed in this subclass.