Title:
NEW AZO DYE* PREPARATION AND APPLICATION THEREOF
Document Type and Number:
Japanese Patent JPS557887
Kind Code:
A
Abstract:
Disazo dyes of the formula (I) wherein the rings "a" either contain no further substituents and carry the azo group in the para-position to the beta -hydroxybutoxy group, or contain a C1-C4alkyl of C1-C2 alkoxy radical in the para-position, and carry the azo group in the ortho-position, to the beta -hydroxybutoxy group. The dyes are specially suitable for dying and printing polyamide carpets. The dyes are distinguished by good solubility, good exhaustion and good fastness properties, including fastness to perspiration.
Inventors:
ARUFURETSUTO FUASUSHIATEI
Application Number:
JP8027279A
Publication Date:
January 21, 1980
Filing Date:
June 27, 1979
Export Citation:
Assignee:
CIBA GEIGY AG
International Classes:
C09B35/215; C09B43/28; (IPC1-7): C09B35/023; C09B43/28
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