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. 22, 1994
Filed:
Jun. 12, 1992
Applicant:
Inventors:
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514436 ; 549 20 ; 549 21 ; 424 70 ;
Abstract
The invention relates to a stereospecific derivative of formula: ##STR1## in which R is hydrogen or a C.sub.1 -C.sub.4 thioalkyl. The invention also relates to the use of these compounds for the manufacture of stereospecific retinal or retinoic acid, as well as to a process for preparing the retinoids of formula (I). The invention finally relates to a cosmetic or pharmaceutcial composition which contains at least one compound of formula (I) in a suitable vehicle; the pharmaceutical composition according to the invention may be used for treating dermatological, rheumatic, respiratory or ophthalmological conditions.