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:
Dec. 25, 2007
Filed:
Jul. 05, 2002
Applicants:
Sabine Hitzel, Darmstadt, DE;
Hans-jürgen Driller, Groβ-Umstadt, DE;
Inventors:
Sabine Hitzel, Darmstadt, DE;
Hans-Jürgen Driller, Groβ-Umstadt, DE;
Assignee:
Merck Patentgesellschaft Mit Beschrankter Haftung, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
A61Q 17/04 (2006.01); A61Q 19/04 (2006.01); A61K 8/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to cosmetic formulations containing dihydroxy-acetone and a topical support in addition to one or several compounds selected from the compounds of formulae (Ia) and (Ib), the physiologically acceptable salts of compounds of formulae (Ia) and (Ib), and the stereoisomeric forms of formulae (Ia) and (Ib), wherein R, R, R, Rand n have the meanings cited in Claim. The cosmetic formulations are characterized in that the UV-A protective effect of dihydroxyacetone is increased.