C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/42 (2006.01) A61K 8/87 (2006.01) A61K 9/20 (2006.01) A61K 9/28 (2006.01) A61K 9/32 (2006.01) A61Q 5/06 (2006.01) C08G 18/08 (2006.01) C08G 18/30 (2006.01) C08G 18/66 (2006.01) C09J 175/06 (2006.01) A61K 7/06 (1995.01)
Patent
CA 2140665
The use of polyurethanes which are soluble or dispersible in water and are composed of a) at least one compound which contains two or more active hydrogens per molecule, b) at least one diol containing acid groups or salt groups and c) at least one diisocyanate with a glass transition temperature of at least 15°C and acid numbers of from 12 to 150 or the salts of these polyurethanes as aids in cosmetic and pharmaceutical compositions, and of polyurethanes which are soluble or dispersible in water and which contain (a) at least mol % of a polycondensate of lactic acid and of a polyol of the formula (see formula IV) where Y is a radical derived from a dihydric to tetrahydroc alcohol n is 1 - 50 and m is 1 - 4 as copolymerized units.
Kim Son N.
Sanner Axel
Sperling-Vietmeier Karin
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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