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:
Jan. 18, 2011
Filed:
Dec. 16, 2005
Joseph C. Mcauliffe, Sunnyvale, CA (US);
Wyatt Charles Smith, Tiburon, CA (US);
Michael S. Starch, Midland, MI (US);
Joseph C. McAuliffe, Sunnyvale, CA (US);
Wyatt Charles Smith, Tiburon, CA (US);
Michael S. Starch, Midland, MI (US);
Dow Corning Corporation, Midland, MI (US);
Abstract
Novel ester derivatives of ascorbic acid and 2-keto-acid saccharides are provided wherein the ester is introduced by ester bond formation between at least one hydroxy-functionality on the ascorbic acid or 2-keto-acid saccharide and a carboxy-functional organosiloxane, or between a 2-keto-gulonic acid and a hydroxy-functional organosiloxane, as well as methods for their synthesis. Treatment, cosmetic, and personal care formulations comprising the novel esters are also provided, including controlled release forms thereof.