US PATENT SUBCLASS 534 / 709
.~.~.~.~.~ Two azo groups in the same azo moiety attached indirectly to each other 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}
692  DF  .~.~ Heavy metal or aluminum containing {7}
701  DF  .~.~.~ Hetero ring containing {2}
707  DF  .~.~.~.~ Azo bonded directly to the hetero ring {3}
709.~.~.~.~.~ Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding

DEFINITION

Classification: 534/709

(under subclass 707) Compounds in which two azo groups in the same azo moiety are attached indirectly to each other by nonionic bonding.

(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.

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