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:
Feb. 07, 2006
Filed:
Sep. 09, 2004
John Brian Bartolone, Bridgeport, CT (US);
Padmaja Prem, Saddle Brook, NJ (US);
Katherine Jacobs-dube, Pennington, NJ (US);
John Brian Bartolone, Bridgeport, CT (US);
Padmaja Prem, Saddle Brook, NJ (US);
Katherine Jacobs-Dube, Pennington, NJ (US);
Unilever Home & Personal Care USA, division of Conopco, Inc., Chicago, IL (US);
Abstract
A method for electrochemically dyeing, highlighting or tinting hair is provided which includes first applying to the hair an oxidative dye precursor mixture containing a primary intermediate having a standard Redox potential that is less than about 1V. This precursor mixture on the hair in then contacted with an electrode system that has sufficient voltage to electrochemically oxidize the primary intermediate to produce a colored dye through a coupling reaction. A system or kit for carrying out the method is also provided.