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:
Mar. 01, 2011
Filed:
Feb. 11, 2005
Applicants:
Katja Berg-schultz, Kaiseraugst, CH;
Ulrich Huber, Erlenbach, CH;
Daniel Sprenger, Basel, CH;
Inventors:
Assignee:
DSM IP Assets B.V., TE Heerlen, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 213/00 (2006.01); C07F 9/06 (2006.01); A61K 33/24 (2006.01); A61K 33/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to novel 1,4-dihydropyridine derivatives, to novel cosmetic or dermatological sunscreen compositions containing these derivatives and the use of these derivatives for photoprotecting human skin and/or hair against UV radiation, in particular solar radiation.