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:
Sep. 21, 1999
Filed:
Dec. 16, 1997
Applicant:
Inventors:
Luc Nicolas-Morgantini, Rully, FR;
Alain Lety, Lagny Sur Marne, FR;
Guy Vanlerberghe, Villevaude, FR;
Assignee:
L'OREAL, , FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106502 ; 81275 ; 812751 ; 81276 ; 8405 ; 8425 ; 106498 ; 106504 ; 106506 ; 424 59 ; 424 60 ; 424 61 ; 424 701 ; 424 7803 ; 424401 ;
Abstract
A composite melanin pigment in the form of particles comprising a spherical core less than 1 .mu.m in diameter, which comprises at least one wax and at least one surfactant, and an outer layer which envelops the core, which comprises at least one compound resulting from the oxidative polymerization of a melanin pigment precursor; and uses of the pigment in powder form or in the form of an aqueous dispersion, in cosmetic compositions, in particular in dye products and/or make-up products and/or care products for keratin substances such as the skin, the hair and the nails.