C09B35/04 - CPC Classification Index

ClassID:

102181 ⎘

C09B35/04 - CPC Classification

Classification description:

Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling; Disazo dyes characterised by the tetrazo component the tetrazo component being a benzene derivative

Recent Application in this class:

20190233779

2019-08-01

Unitary laundry detergent article

20130255007

2013-10-03

Azo dyes

20100233443

2010-09-16

Acid dyes

20090269553

2009-10-29

Acid dyes