US PATENT SUBCLASS 534 / 675
.~.~.~.~ Azo attached indirectly to the monocyclic benzene ring by nonionic bonding

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}
674  DF  .~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) {1}
675.~.~.~.~ Azo attached indirectly to the monocyclic benzene ring by nonionic bonding

DEFINITION

Classification: 534/675

(under subclass 674) Compounds in which the azo group is attached indirectly to the monocyclic benzene ring by nonionic bonding.

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