Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ANTHRAQUINONE DISPERSE DYE AND PRODUCTION OF DYE MIXTURE
Document Type and Number:
Japanese Patent JPS6227465
Kind Code:
A
Abstract:
A process for the preparation of dyes of formula (1) as indicated in claim 1 or of mixtures of such dyes is described. The dyes of formula (1) are obtained by reacting 1,4-diaminoanthraquinone-2,3-dicarboximide, or the corresponding monoimino compound, with an amine and in the absence of a solvent. Dye mixtures are prepared by subsequently partially transamidating the resultant product.

Inventors:
HASPRA PAVEL (CH)
NICOPOULOS ALEX (CH)
Application Number:
JP17293486A
Publication Date:
February 05, 1987
Filing Date:
July 24, 1986
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CIBA GEIGY AG
International Classes:
C09B5/62; C09B5/24; (IPC1-7): C09B5/62
Attorney, Agent or Firm:
Masao Okabe