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:
Jan. 06, 1998
Filed:
Jul. 24, 1995
Applicant:
Inventors:
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
424401 ; 424 59 ; 514680 ; 568326 ;
Abstract
The invention relates to ketotricyclo�5.2.1.0!decane derivatives of the formula I ##STR1## wherein Phe is a phenylene group which is unsubstituted or substituted by 1 to 4 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms, and their preparation and use as UV filters, in particular in cosmetic or pharmaceutical preparations.