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Assignee: Research Association of Synthetic Dyestuffs


Location: Tokyo, JP
No. of patents: 3

NumberTitleIssue Date
4760133Process for preparing disazo dyes with bis-anilino methane coupling component
A process for preparing a disazo dye represented by the following formula: ##STR1## wherein R1 and R2 each represents a hydrogen atom, a halogen atom, a nitro group, a trifluoromethyl group, a lower alkoxycarbonyl group or a low...
07/26/1988
4642339Thiazoleazophenylaminoethyl carbonyloxy-C8 -C10 -alkyl compounds useful as dyes for polyester fibers
This invention relates to thiazoleazophenylaminoethyl carbonyloxy-C8 -C10 -alkyl compounds useful as dyes for polyester fibers represented by the formula: ##STR1## wherein X represents hydrogen, chlorine, methyl, methoxy or etho...
02/10/1987
4494957Dye compositions for polyester fibers
Dye compositions for dyeing polyester fibers comprise at least one disazo dye represented by the formula (I): ##STR1## wherein X represents a hydrogen atom, a chlorine atom, a nitro group or a trifluoromethyl group; Y represents a cyano group, an alk...
01/22/1985
 
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