C09B45/32 - CPC Classification Index

ClassID:

102334 ⎘

C09B45/32 - CPC Classification

Classification description:

Complex metal compounds of azo dyes; Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups; Disazo or polyazo compounds containing other metals

Recent Application in this class:

20240409746

2024-12-12

AZO IRON COMPLEX DYE, INK COMPOSITION CONTAINING SAME, AND METHOD FOR PRODUCING AZO IRON COMPLEX DYE

20240199881

2024-06-20

METAL COMPLEX DYES FOR INKJET PRINTING

20050282926

2005-12-22

Ink jet ink containing multimetallic polymeric colorants