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:
Aug. 31, 1993
Filed:
Oct. 19, 1992
Applicant:
Inventors:
Claude Dubief, Le Chesnay, FR;
Jean F Grollier, Paris, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 47 ; 424 70 ; 424 7803 ; 424 7831 ;
Abstract
Use of 2-hydroxy-4-methoxybenzophenone-5-sulphonic acid or its salts of protecting the hair against environmental attacking agents, and especially against light, and process for protecting the hair using this compound. Use for preserving the mechanical properties of the hair from degradation by environmental attacking agents, and especially by light, of at least 0.3% by weight of 2-hydroxy-4-methoxybenzophenone-5-sulphonic acid, in a cosmetically acceptable aqueous, alcoholic or aqueous-alcoholic vehicle. The acid is optionally salified with a metal hydroxide, ammonia solution or an amine.