Use of carboxyl-containing polycondensates as auxiliaries in...

Details Use of carboxyl-containing polycondensates as auxiliaries in... Use of carboxyl-containing polycondensates as auxiliaries in...

A - Human Necessities

61

K

A61K 8/81 (2006.01) A61K 8/85 (2006.01) A61Q 5/06 (2006.01)

Patent

CA 2172670

The use of carboxyl-containing water-dispersible polycondensation products having glass transition temperatures Tg > 20°C and acid numbers of from 30 to 160, obtainable by condensation of A) from 0.3 to 15 mol% of at least one compound selected from the group consisting of 2,2-dimethylolpropanoic acid, 1,3,5-benzenetricarboxylic acid and its C1-C8-alkyl esters and acid chlorides, and 5-hydroxyisophthalic acids and their acyl derivatives, and B) from 85 to 99.7 mol% of a mixture of B1) a saturated diol or a C2-C8-diamine or mixtures thereof, and B2) at least one compound from the group consisting of the monohydroxycarboxylic acids and their lactones, the di- carboxylic acids excluding the isophthalic acid deriva- tives mentioned under A), and the aminocarboxylic acids, as auxiliaries in cosmetic preparations is described.

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