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:
Nov. 03, 2009
Filed:
Feb. 04, 2003
Applicant:
Katja Berg-schultz, Kaiseraugst, CH;
Inventor:
Katja Berg-Schultz, Kaiseraugst, CH;
Assignee:
DSM IP Assets B.V., Te Heerlen, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61Q 17/04 (2006.01); C07D 211/68 (2006.01); C07D 309/00 (2006.01); A61K 8/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
1,4-dihydropyridine and 1,4-dihydropyrane derivatives and novel cosmetic or dematological sunscreen compositions containing novel and/or known 1,4-dihydropyridine or 1,4-dihydropyrane derivatives which are useful for photoprotecting human skin and/or hair against UV radiation, in particular solar radiation, and the use of such 1,4-dihydropyridine and/or 1,4-dihydropyrane derivatives as UV-A screening agents, particularly in cosmetic and pharmaceutical compositions.