Dyeing assistant composition for cellulose fibers

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United States of America Patent

PATENT NO 4906248
SERIAL NO

07177875

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Abstract

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Cellulose fibers can be effectively dyed with an assistant composition comprising (a) a polymer or copolymer of maleic acid, acrylic acid, methacylic acid or a salt thereof and (b) a sulfonate of a monocyclic or polycyclic aromatic compound or a condensate thereof with an aliphatic aldehyde.

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Patent Owner(s)

Patent OwnerAddress
DYSTAR L P360 NORTH CRESCENT DRIVE SOUTH BUILDING BEVERLY HILLS CA 90210

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kyochika, Naoki Wakayama, JP 6 30
Nagao, Shigeru Wakayama, JP 5 16

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