C09B31/12 - CPC Classification Index

ClassID:

102132 ⎘

C09B31/12 - CPC Classification

Classification description:

Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling; Disazo dyes from other coupling components "C"

Sub-classes:

C09B31/14 » Heterocyclic components 22

Recent Application in this class:

20170153490

2017-06-01

Photo-tunable liquid crystal composition and methods for their fabrication and use

20140131643

2014-05-15

Polarizing film and display device including the polarizing film

20120090503

2012-04-19

Black disazo dyes, their preparation and use