US PATENT SUBCLASS 534 / 662
.~.~.~.~ Hetero ring containing

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

Internet Version by PATENTEC © 1999      Terms of Use


534 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
660  DF  .~.~ Hydroxy and carbonyl of -C00- bonded directly to a monocyclic benzene ring (H or hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a metal) {5}
661  DF  .~.~.~ Heavy metal or aluminum containing {2}
662.~.~.~.~ Hetero ring containing

DEFINITION

Classification: 534/662

(under subclass 661) Compounds which contain a hetero ring.

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