C09B1/264 - CPC Classification Index

ClassID:

101771 ⎘

C09B1/264 - CPC Classification

Classification description:

Dyes with anthracene nucleus not condensed with any other ring; Amino-anthraquinones; Preparation from starting materials already containing the anthracene nucleus; Dyes with amino groups substituted by hydrocarbon radicals sulfonated

Sub-classes:

C09B1/266 » {only sulfonated in the anthracene nucleus} 0
C09B1/268 » {only sulfonated in a substituent} 0

Recent Application in this class:

20240067826

2024-02-29

Colorant solvent system, methods of use, and articles

20200299513

2020-09-24

Colorant solvent system, methods of use, and articles