C09B1/523 - CPC Classification Index

ClassID:

101813 ⎘

C09B1/523 - CPC Classification

Classification description:

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

Sub-classes:

C09B1/525 » {N-aryl derivatives} 1
C09B1/526 » {N-alkyl, N-aralkyl or N-cycloalkyl derivatives} 0
C09B1/528 » {N-acyl derivatives} 0