C09B3/40 - CPC Classification Index

ClassID:

101852 ⎘

C09B3/40 - CPC Classification

Classification description:

Dyes with an anthracene nucleus condensed with one or more carbocyclic rings Pyranthrones

Sub-classes:

C09B3/42 » Preparation by synthesis of the nucleus 0
C09B3/44 » Preparation from starting materials already containing the pyranthrone nucleus 0

Recent Application in this class:

20100267957

Anthraquinone Dyes As Photosensitizers In Photovoltaic Cells

20080319089

Method of colouring carrier materials

20070051275

Method of colouring carrier materials