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. 05, 2006
Filed:
Dec. 12, 2003
Jean Cotteret, Verneuil sur Seine, FR;
Alain Lagrange, Coupvray, FR;
Jean Cotteret, Verneuil sur Seine, FR;
Alain Lagrange, Coupvray, FR;
L'Oreal, Paris, FR;
Abstract
The subject of the present application is a dyeing composition for dyeing keratinous fibers, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one cationic direct dye comprising at least one heterocyclic group. The subject of the invention is also the dyeing method using this composition and the corresponding devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile