C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/04 (2006.01) A61K 9/32 (2006.01) C08G 18/30 (2006.01) C08G 18/42 (2006.01) A61K 7/06 (2000.01)
Patent
CA 2402950
The use of polyurethanes which are soluble or dispersible in water and comprises the reaction product of a) at least one compound which contains two or more active hydrogens per molecule, b) at least one diol compound containing acid groups or salt groups and c) at least one diisocyanate compound with an acid number of from 12 to 150 or salt 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 5 mol % of a polycondensate of lactic acid and of a polyol of the formula Image wherein Y is a radical derived from a dihydric to tetrahydric alcohol n is 1-50 and m is 1-4 as copolymerized units.
Kim Son Nguyen
Sanner Axel
Sperling-Vietmeier Karin
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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