Water repellent and method of preparation

Details Water repellent and method of preparation Water repellent and method of preparation

B - Operations, Transporting

01

J

B01J 2/30 (2006.01) A61K 8/11 (2006.01) A61K 8/58 (2006.01) A61Q 1/02 (2006.01) A61Q 1/12 (2006.01) C09C 1/36 (2006.01) C09C 3/12 (2006.01) A61K 7/00 (1990.01)

Patent

CA 2090178

ABSTRACT OF THE DISCLOSURE A water repellent powdered material and a method of making the powder in which the powdered material is mixed with an organic solvent solution of a triorganosiloxysilicic acid having the formula (R3SiO1/2)2nSiO2 in which R is a monovalent hydrocarbon radical such as alkyl, aryl, and alkenyl; and n is an integer having a value of one to five; with the acid being present in an amount of from 0.1 to 20 parts by weight per one hundred parts by weight of the powdered material. The powder can be used to formulate cosmetic foundations.

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