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:
Feb. 25, 1997
Filed:
Jun. 07, 1995
Andre Deflandre, Orry-la-Ville, FR;
Serge Forestier, Claye-Souilly, FR;
Gerard Lang, Saint-Gratien, FR;
Jean F Grollier, Paris, FR;
Jean Cotteret, Verneuil-sur-Seine, FR;
L'Oreal, Paris, FR;
Abstract
The invention relates to a photostable screening cosmetic composition for protecting human skin against UV rays, comprising, in a cosmetically acceptable substrate containing at least one fatty phase, 1 to 3% by weight of 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane and at least 4.5% by weight of p-methylbenzylidenecamphor, the weight ratio of p-methylbenzylidenecamphor to 4-(1,1-dimethyl-ethyl)-4'-methoxydibenzoylmethane being higher than or equal to 3. It also relates to a process for protecting the skin against UV radiation and to a process for stabilizing 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane against UV radiation.