Process for dyeing cellulosic textile material with disperse dyes

United States of America Patent

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Mar 29, 1994
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N/A
app pub date
Sep 8, 1992
filing date
Sep 11, 1991

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Expired

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Abstract

Cellulosic textile materials can be dyed with disperse dyes from supercritical CO.sub.2 by treating the textile materials with an auxiliary that promotes dye uptake, typically polyethylene glycol.

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Patent Owner(s)

Patent Owner	Address
CIBA SPECIALTY CHEMICALS CORPORATION	540 WHITE PLAINS ROAD P O BOX 2005 TARRYTOWN NY 10591

International Classification(s)

D06P:DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS,....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Casa, Angelo D	Riehen, CH	5	77
Liechti, Peter	Arisdorf, CH	12	109
Schlenker, Wolfgang	Basel, CH	9	132
Werthemann, Dieter	Basel, CH	7	142

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Process for dyeing cellulosic textile material with disperse dyes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07941581

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PATENT NO	5298032
SERIAL NO	07941581
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07941581

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