The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 1994
Filed:
Jul. 06, 1993
Applicant:
Inventor:
Asao Harashima, Tokyo, JP;
Assignee:
Dow Corning Toray Silicone Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 63 ; 424401 ; 523212 ;
Abstract
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 (R.sub.3 SiO.sub.1/2).sub.2 nSiO.sub.2 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.