Cotton active, dirt removing urethane-based polymers

Details Cotton active, dirt removing urethane-based polymers Cotton active, dirt removing urethane-based polymers

2006-08-29

2006-08-29

Mruk, Brian P (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Specific organic component

C510S350000, C510S356000, C510S499000, C008S137000, C008S181000

Reexamination Certificate

active

07098179

ABSTRACT:
A method of washing a soiled textile comprising cotton, the method comprising contacting the textile with a wash liquor, the wash liquor containing a soil-release effective amount of one or more soil release polymers obtained by polymerizing one or more polyisocyanates with one or more polymeric polyols having an average molar mass of above 1000 D and a 20° C. water solubility of above 300 g of polymer per liter, one or more polyols having an average molar mass of below 12,000 D and a 20° C. water solubility of below 100 g per liter, and optionally one or more further polyols.

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O'Lenick A.J.: “Soil Release Polymers” Journal of Surfactants and Detergents, AOCS Press, Champaign IL, US, vol. 2, No. 4, Oct. 1999, pp. 553-557, XP000893935; ISSN 1097-3958 p. 556, col. 1 paragraph 6.

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