C09B3/22 - CPC Classification Index

ClassID:

101843 ⎘

C09B3/22 - CPC Classification

Classification description:

Dyes with an anthracene nucleus condensed with one or more carbocyclic rings Dibenzanthrones; Isodibenzanthrones

Sub-classes:

C09B3/24 » Preparation by synthesis of the nucleus 0
C09B3/30 » Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus 0

Recent Application in this class:

20110297925

Organic electronic device

20080319089

Method of colouring carrier materials

20070051275

Method of colouring carrier materials