C09B1/516 - CPC Classification Index

ClassID:

101809 ⎘

C09B1/516 - CPC Classification

Classification description:

Dyes with anthracene nucleus not condensed with any other ring; Amino-hydroxy-anthraquinones; Ethers and esters thereof; N-substituted amino-hydroxy anthraquinone N-acylated derivatives

Sub-classes:

C09B1/5165 » {only amino and hydroxy groups} 2

Recent Application in this class:

20150025222

2015-01-22

Substituted anthraquinone dyes for cellular stains and enzyme detection

20120296097

2012-11-22

PREPARATION METHOD OF ORIGINAL DYE OF VAT BROWN R

20120252063

2012-10-04

Substituted anthraquinone dyes for cellular stains and enzyme detection