C09B43/08 - CPC Classification Index

ClassID:

102256 ⎘

C09B43/08 - CPC Classification

Classification description:

Preparation of azo dyes from other azo compounds by reduction

Sub-classes:

C09B43/085 » {by reacting nitro azo dyes with amine or amino azo dye with nitro compounds} 1
C09B43/10 » with formation of a new azo or an azoxy bridge 1

Recent Application in this class:

20120272461

Dyes with changeable solubilities, and methods for their use