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:
Oct. 29, 1996
Filed:
Dec. 30, 1994
Applicant:
Inventors:
Alain Ribier, Paris, FR;
Quang L Nguyen, Antony, FR;
Jean-Thierry Simonnet, Paris, FR;
Boudiaf Boussouira, Paris, FR;
Assignee:
L'Oreal, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514315 ; 424 59 ; 424 60 ; 546184 ;
Abstract
The invention relates to the use of a spin trap employed as an electron paramagnetic resonance measurement probe, in a cosmetic or dermatological composition for the light-protective, anti-ageing and/or anti-acne treatment of the skin. In particular, this spin trap is encapsulated in lipid vesicles which are capable of diffusing into the deep layers of the skin.