US PATENT SUBCLASS 564 / 358
.~.~.~.~.~.~.~ Group VIII noble metal containing catalyst utilized


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}
305  DF  .~.~ Benzene ring containing {24}
336  DF  .~.~.~ Amino nitrogen attached to aryl ring or ring system by an acyclic carbon or chain {11}
355  DF  .~.~.~.~ Hydroxy, bonded directly to carbon, or ether oxygen attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding with no amino nitrogen between the hydroxy or ether oxygen and the aryl ring or ring system (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) {5}
356  DF  .~.~.~.~.~ Preparing directly by reduction, other than by reductive amination {1}
357  DF  .~.~.~.~.~.~ By direct hydrogenation {1}
358.~.~.~.~.~.~.~ Group VIII noble metal containing catalyst utilized


DEFINITION

Classification: 564/358

(under subclass 357) Processes wherein a Group VIII noble metal containing catalyst is utilized in the hydrogenation.