C09B45/025 - CPC Classification Index

ClassID:

102319 ⎘

C09B45/025 - CPC Classification

Classification description:

Complex metal compounds of azo dyes; Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups of azo-pyridone series

Recent Application in this class:

20100233415

2010-09-16

OPTICAL RECORDING MEDIUM AND AZO METAL CHELATE COMPOUND

20100162495

2010-07-01

PENTAMETHINE CYANINE AZO COMPLEX DYE COMPOUNDS FOR OPTICAL DATA RECORDING

20100093983

2010-04-15

USE OF INDOLIMIUM DIAZAMETHINE CATIONS FOR OPTICAL DATA RECORDING

20100075098

2010-03-25

PYRIDINONE BASED AZO DYES AND THIER METAL COMPLEX SALTS