Use of amphoteric polysaccharide for treating textile fiber...

Details Use of amphoteric polysaccharide for treating textile fiber... Use of amphoteric polysaccharide for treating textile fiber...

2006-07-11

2006-07-11

Wilson, James O. (Department: 1623)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C536S115000, C536S117000, C536S118000, C536S119000, C536S120000, C536S122000, C536S123000, C536S123100, C536S124000

Reexamination Certificate

active

07074919

ABSTRACT:
The invention concerns the use, in a composition for treating textile fiber articles in aqueous or moist medium, of an amphoteric polysaccharide, whereof the native skeleton is a polysaccharide consisting of a main chain comprising anhydrohexose units and branches comprising at least a neutral or anionic anhydropentose and/or anhydrohexose unit, the anhydrohexose and/or anhydropentose units being substituted of modified by groups bearing at least a (potentially) anionic load and/or at least a (potentially) cationic load, the degree of substitution or modification by the set of said groups bearing (potentially) anionic loads ranging between 0.01 and less than 3, with a ratio of the number of (potentially) anionic charges over the number of (potentially) cationic loads ranging between 99.5/0.5 to 30/70, as agent for preventing degradation and/or enabling to protect the colors of said articles and/or providing said articles with crease-resistant and/or softening properties

REFERENCES:
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Patent Abstract of Japan, vol. 015, No. 048 (C-0802), Feb. 5, 1991 & JP 02 277881 a (Nippon Petrochem Co Ltd), Nov. 14, 1990 abstract.

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