C09B43/40 - CPC Classification Index

ClassID:

102291 ⎘

C09B43/40 - CPC Classification

Classification description:

Preparation of azo dyes from other azo compounds by substituting hetero atoms by radicals containing other hetero atoms

Sub-classes:

C09B43/405 » {by substituting radicals containing hetero atoms for -SOR radicals and R being hydrocarbon} 0
C09B43/42 » by substituting radicals containing hetero atoms for -CN radicals 8

Recent Application in this class:

20150191601

2015-07-09

Azo compound, ink containing azo compound, and display and electronic paper containing the ink

20090062517

2009-03-05

Dissymmetrical Diazo Compounds Containing Having at Least One 2-imidazolium Unit and a Cationic or Non-cationic Linker, Compositions Comprising Them, Method of Coloring, and Device

20070010663

2007-01-11

Dissymmetrical diazo compounds containing having at least one 2-imidazolium unit and a cationic or non-cationic linker, compositions comprising them, method of coloring, and device

20050172856

2005-08-11

Acidic mono azo dyestuffs

20050154195

2005-07-14

Process for the preparation of cationic azo compounds

20050120495

2005-06-09

Use of a dyestuff for ink jet printing recording materials