METHOD FOR PRODUCING WATER-SOLUBLE AZO DYE

PROBLEM TO BE SOLVED: To provide a means for simply and inexpensively producing a water-soluble azo dye having slight inorganic salt content and composed of a lithium salt of the water-soluble azo dye having various structures. SOLUTION: The method for synthesizing the water-soluble azo dye comprise...

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1. Verfasser: KAYANO TOMOHIRO
Format: Patent
Sprache:eng
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