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. 13, 2007
Filed:
Sep. 29, 2003
Applicant:
Frank Dreher, Paris, FR;
Inventor:
Frank Dreher, Paris, FR;
Assignee:
L'Oreal, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61K 7/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention generally relates to a hair pre-treatment anti-penetration composition comprising an efficient amount of at least one oxyethylenated copolymer. The invention also relates to a method for limiting the penetration into the skin and/or the keratin fibres of at least one dye, contained in a hair dyeing composition, involving the pre-treatment application on the hair of such an anti-penetration composition, before the hair dye process.