Patent ID: 6525162
Filing Date: 2003-02-25
Classification: C08G,Y10S

Abstract:
A polyester comprising:a reaction product of a polycarboxylic acid, a polyhydric alcohol with a hydroxy functionality of at least two, and a monocarboxylic acid, wherein the polyester formed therefrom has a theoretical hydroxy functionality within the range of about 0.1 to about 4.0, the polyester has an acid value below approximately 5, the polyester has a Brookfield viscosity at 120Â° C. ranging from about 100 cps to about 20,000 cps, and the polyester has a glass transition temperature within the range of about âˆ’20Â° C. to about +45Â° C., and wherein the monocarboxylic acid is a rosin acid.