Patent ID: 6552212
Filing Date: 2003-04-22
Classification: A61K,A61Q,C07F,C08G,C11D

Abstract:
A benzoate ester of hydroxyl terminated polyether polysiloxane copolyol having the following structure: wherein x and y are integers which independently range from 1 to 50;R1, R2, R3 and R4 may all be the same or different, provided that at least one of R1, R2, R3 or R4 is a hydroxyl terminated polyether group; provided that when one of R1, R2, R3 and R4 is a hydroxyl terminated polyether, the others of R1, R2, R3 and R4 are selected from the group consisting of alkyl, aryl, alkaryl, aralkyl, alkoxy, substituted alkyl, substituted aryl, and mixtures thereof; and wherein the hydroxyl terminated polyether group has been esterified with Benzoic Acid and has the structure wherein R5 is an alkyl group of one to ten carbon atoms; p is a number from one to ten; R6 is an alkyl group of from two to twelve carbon atoms; m is a number from one to fifty; R7 is an alkyl group of from two to twenty carbon atoms; and n is a number from one to fifty.