Title:
PREPARATION OF PYRIDONE AZO DYE
Document Type and Number:
Japanese Patent JPS5218733
Kind Code:
A
Abstract:
PURPOSE: A pyridone azo dye of formula I (where benzene nucleus A may have other substituents; R is substituted or nonsubstituted alkyl or aryl group).
Inventors:
IMAHORI SEIICHI
OKADA ITARU
OKADA ITARU
Application Number:
JP9484075A
Publication Date:
February 12, 1977
Filing Date:
August 04, 1975
Export Citation:
Assignee:
MITSUBISHI CHEM IND
International Classes:
C09B29/42; C09B29/10; D06P1/18; (IPC1-7): C09B29/10; D06P1/18