Patent ID: 6437162
Filing Date: 2002-08-20
Classification: A61K,A61Q,C08G

Abstract:
A process to deodorize dimethicone copolyol compounds conforming to the following structure:wherein;a is an integer ranging from 0 to 2,000; b is an integer ranging from 1 to 20; c is an integer ranging from 0 to 20; x, y and z are independently integers ranging from 0 to 20; n is an integer ranging from 3 to 31; which comprises; (d) add between 5 and 20% by weight of water to said dimethicone copolyol; (e) mix the resulting mixture for between 10-30 minutes; (f) heat the reaction mixture to between 120Â° and 150Â° C. under atmospheric conditions; removing the distillate.