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:
May. 04, 2021
Filed:
Dec. 16, 2016
Applicant:
L'oreal, Paris, FR;
Inventors:
Christian Blaise, Aulnay-sous-bois, FR;
Abel Messavussu, Aulnay-sous-bois, FR;
Assignee:
L'OREAL, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); A61K 8/49 (2006.01); A61Q 5/06 (2006.01);
U.S. Cl.
CPC ...
A61K 8/4926 (2013.01); A61Q 5/065 (2013.01); A61K 2800/30 (2013.01); A61K 2800/432 (2013.01);
Abstract
The invention relates to a process for dyeing and/or lightening keratin fibres using direct dyes of styryl or naphthyl-amide type bearing a (C-C)aminoalkyl group. The dyeing process and the composition according to the invention make it possible in particular to obtain long-lasting, intense, chromatic and/or homogeneous colouring on the keratin fibres.