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. 18, 2008
Filed:
Apr. 28, 2004
Applicants:
Frank Pfluecker, Darmstadt, DE;
Joachim Buenger, Gross-Umstadt, DE;
Hans-juergen Driller, Gross-Umstadt, DE;
Herwig Buchholz, Frankfurt, DE;
Ralf Rosskopf, Muenster, DE;
Inventors:
Frank Pfluecker, Darmstadt, DE;
Joachim Buenger, Gross-Umstadt, DE;
Hans-Juergen Driller, Gross-Umstadt, DE;
Herwig Buchholz, Frankfurt, DE;
Ralf Rosskopf, Muenster, DE;
Assignee:
Merck Patent Gesellschaft mit Beschraenkter Haftung, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/18 (2006.01); A61K 31/352 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to compounds of the formula I where R, R, R, Rand Rhave the meanings given in claim 1. The compound is suitable in particular for use in skin care compositions. They protect, firstly, against harmful oxidation reactions and, secondly, also act as UV filters.