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. 24, 1998
Filed:
Jul. 16, 1992
Applicant:
Inventors:
Alex Junino, Livry Gargan, FR;
Quang Lan N'Guyen, Antony, FR;
Remy Tuloup, Miniac Sous Becherel, FR;
Christian Blaise, Sevran, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 62 ; 424401 ;
Abstract
A depigmenting cosmetic or dermatologic composition for use in bleaching the skin or treating pigmental spots contains in a vehicle suitable for topical application to the skin a benzofuran derivative having the formula ##STR1## wherein the OH function occupies position 5 or 6, R.sub.1 and R.sub.2, each independently, represent hydrogen or alkyl having 1-4 carbon atoms, n is 0 or 1, when n is 0, the C.sub.2 -C.sub.3 bond is a double bond, and when n is 1, the C.sub.2 -C.sub.3 bond is a single bond.