Title:
ASYMMETRICAL 1:2 CHROMIUM COMPLEX DYE
Document Type and Number:
Japanese Patent JPS5838759
Kind Code:
A
Abstract:
1. Chromium complex dyestuffs which, in the form of the free acid, correspond to the formula (See formula page 20) wherein X denotes optionally substituted alkyl, aryl or carbamoyl, R denotes optionally substituted alkyl or aryl or hydrogen, Y denotes CO or a direct bond, ring a can be substituted either by SO3 H or by NO2 , see diagramm : EP0072501,P20,F1 ring b can be substituted by SO3 H, COOH, sulphamoyl, carbamoyl, alkylsulphonyl, arylsulphonyl, NO2 , alkyl, alkoxy, Br, Cl or acylamino, ring c can be substituted by SO3 H, COOH, sulphamoyl, carbamoyl, alkyl, trifluoromethyl, alkoxy, alkylsulphonyl, NH2 , NO2 , Cl or Br, and wherein the nitro group of ring c is in the o- or p-position to the azo bridge.
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Inventors:
BINFURIITO MENITSUKE
Application Number:
JP13998982A
Publication Date:
March 07, 1983
Filing Date:
August 13, 1982
Export Citation:
Assignee:
BAYER AG
International Classes:
C09B45/26; C09B55/00; C09B56/02; C09B45/16; D06P1/10; D06P3/04; (IPC1-7): C09B45/26
Domestic Patent References:
| JPS4716438A | ||||
| JPS53144930A | 1978-12-16 |
Attorney, Agent or Firm:
Heiyoshi Odashima