Patent ID: 8003087

Claim:
A polyester made by the reaction of (a) dimethicone copolyol conforming to the following structure: wherein; a is an integer ranging from 0 to 200; b is an integer ranging from 2 to 20; c is an integer ranging from 0 to 10; d is an integer ranging from 5 to 20; n is an integer ranging from 7 to 17; with succinic anhydride which conforms to the following structure: at a temperature of between 50 and 100° C., wherein the mole ratio of said succinic anhydride to hydroxyl group ranges from a value of b/2 to b/5 to producing a carboxyl ester; followed by reaction of the intermediate with a polysorbate conforming to the following structure; e is an integer ranging from 0 to 30; f is an integer ranging from 0 to 30; g is an integer ranging from 0 to 30, with the proviso that e+f+g is an integer ranging from 9 to 50; R 1 is alkyl having from 7 to 21 carbon atoms; with said carboxyl ester wherein the ratio of hydroxyl on the polysorbate to carboxyl group ranges from 4:1 to 2:1.