Patent ID: 6433073
Filing Date: 2002-08-13
Classification: A61K,A61Q,C08G

Abstract:
A polyurethane dispersion stable in a mixture of alcohol and water, said dispersion comprising the reaction product of:(a) at least one isocyanate terminated polyurethane prepolymer comprising the reaction product of (i) at least one polyactive hydrogen compound insoluble in said alcohol, wherein said polyactive hydrogen compound is an alkyl, aryl, or aralkyl structure optionally substituted by N, O or S or combinations thereof in or on the chain; (ii) at least one polyisocyanate, and (iii) at least one polyactive hydrogen compound soluble in said mixture of alcohol and water, (b) at least one polyfunctional chain extender; (c) at least one chain terminator; and (d) water.