Title:
PROCESS FOR PREPARING METAL COMPLEX DYES
Document Type and Number:
Japanese Patent JPS5262335
Kind Code:
A
Abstract:
PURPOSE: A process for preparing metal complex dyes important for coloring of Nylon, etc., and paints, etc., with excellent productivity and purity without the waste liquid, by a coupling in an organic solvent miscible with water and the following reaction with a metal-complexing agent without the separation of the dyestuff.
Inventors:
KAWASAKI SHINJIROU
HIRANO AKIO
KAWASHITA HIDEO
YAMAGUCHI HIROYUKI
TAKAMATSU YOSHIAKI
HIRANO AKIO
KAWASHITA HIDEO
YAMAGUCHI HIROYUKI
TAKAMATSU YOSHIAKI
Application Number:
JP13884175A
Publication Date:
May 23, 1977
Filing Date:
November 18, 1975
Export Citation:
Assignee:
TAOKA CHEMICAL CO LTD
International Classes:
C09B45/01; C09B45/00; C09B45/04; C09B45/06; C09B45/10; (IPC1-7): C09B45/00; C09B45/06; C09B45/10
Domestic Patent References:
| JPS4981439A | 1974-08-06 | |||
| JP43009668A | ||||
| JP41012915A |
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