Patent ID: 7572842
Filing Date: 2009-08-11
Classification: A61K

Abstract:
1. A dental impression composition comprising: a) at least one polydiorganosiloxane having at least two olefinically unsaturated groups as component (a), b) at least one organohydrogenpolysiloxane as component (b), c) at least one alkylsiloxane having at least one carbinol, carboxy or amino group as component (c), d) at least one condensation cure compound as component (d) and e) at least one addition cure precious metal catalyst as component (e); wherein component (c) contains at least one compound of the formula: wherein X is a linear or branched hydrocarbon or an aryl residue that may contain an oxygen atom and/or an ether group with 6 to 14 C-atoms and a valency of c, Y is a linear or branched alkylene group with 1 to 10 C-atoms or a cycloalkyl group with 4 to 14 C-atoms, R 1 is a linear or branched alkyl or fluoroalkyl group with 1 to 8 C-atoms or a cycloalkyl or aryl group with 6 to 14 C-atoms, R 2 is a linear or branched alkylene group that may contain a carbonyl group with 1 to 8 C-atoms, D is R 1 or —Y—(O—R 2 ) d —X e —[(O—R 2 ) b —OH] c with at least one residue —Y—(O—R 2 ) d —X e —[(O—R 2 ) b —OH] c per molecule, 1≦a≦10,000, 0≦b≦500, l≦c≦6, 0≦d≦500, e is 0 or 1, and x is 0, 1, 2, 3, 4, 5 or 6.