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:
May. 29, 2012
Filed:
Jan. 13, 2004
Applicants:
Thomas Ehlis, Freiburg, DE;
Dietmar Hüglin, Weil am Rhein, DE;
Elek Borsos, Birsfelden, CH;
Inventors:
Assignee:
BASF SE Ludwigshafen, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/49 (2006.01); C07D 403/02 (2006.01); C07D 251/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to new compounds of formula (I), wherein R, R, R, R, R, R, R, and Rindependently from each other are hydrogen; C-Calkyl; C-Calkenyl; C-C, cycloalkyl; C-Calkylene-C-C, cycloalkyl; Ris hydrogen; C-Calkyl; C-Calkenyl; C-Ccycloalkyl; C-Calkylene-C-Ccycloalkyl; C-Caryl; A is —S—; —O— or —NR—, wherein Rhas the same meanings as R; X is COOR; CONRR; SO, R; or SONRR, wherein R, R, R, R, R, and R, have independently from each other the same meanings as R; to their preparation and to their use as UV absorbers in cosmetic and pharmaceutical formulations.