C09B1/42 - CPC Classification Index

ClassID:

101790 ⎘

C09B1/42 - 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 acylated amino groups the acyl groups being residues of an aromatic carboxylic acid

Sub-classes:

C09B1/425 » {dicarboxylic} 0
C09B1/43 » Dicarboxylic acids 0

Recent Application in this class:

20220268982

2022-08-25

One-Way Circularly Polarized Light Generated by Propagation through Ch-GLC Films Doped with Light-Absorbing Dyes

20170153496

2017-06-01

MANUFACTURE METHOD OF POLARIZATION AND COLOR FILTER FUNCTION INTEGRATION FILM AND LIQUID CRYSTAL DISPLAY PANEL

20140078577

2014-03-20

AZO compound and ink containing the compound

20120296097

2012-11-22

PREPARATION METHOD OF ORIGINAL DYE OF VAT BROWN R