C09B43/263 - CPC Classification Index

ClassID:

102282 ⎘

C09B43/263 - CPC Classification

Classification description:

Preparation of azo dyes from other azo compounds by acylation of hydroxyl group or of mercapto group; with polyfunctional acylating agents Polycarboxylic acids

Recent Application in this class:

20160041143

2016-02-11

Benzothiazol-2-ylazo-phenyl compound as dye, compositions including the dye, and method of determining degree of cure of such compositions

20150368472

2015-12-24

Thiophene azo carboxylate dyes and laundry care compositions containing the same

20120309945

2012-12-06

Thiophene azo carboxylate dyes and laundry care compositions containing the same