US PATENT SUBCLASS 534 / 582
.~.~ Formation of azo group by coupling diazonium compound with coupling component at a specified pH range

Current as of: June, 1999
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534 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
582.~.~ Formation of azo group by coupling diazonium compound with coupling component at a specified pH range

DEFINITION

Classification: 534/582

(under subclass 573) Processes wherein the azo group is formed by the coupling of a diazonium compound with a coupling component at a specified pH range.

(1) Note. Included herein are only those processes in which a pH range is specifically disclosed or claimed.