US PATENT SUBCLASS 564 / 344
.~.~.~.~.~ Hydroxy or ether oxygen bonded directly to the aryl ring or ring system

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
342  DF  .~.~.~.~ Carbonyl is part of the chain or is attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding with no amino nitrogen between the carbonyl and the aryl ring or ring system {3}
344.~.~.~.~.~ Hydroxy or ether oxygen bonded directly to the aryl ring or ring system

DEFINITION

Classification: 564/344

(under subclass 342) Compounds wherein the aryl ring or ring system contains an -OX group bonded directly to a ring carbon and X may be H or C or a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.

(1) Note. This subclass contains, for example: [figure] [figure]