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:
Apr. 10, 2012
Filed:
Nov. 06, 2009
Lalitha Balakrishnan, Bangalore, IN;
Indu Mani, Bangalore, IN;
Vijay Mukund Naik, Mumbai, IN;
Janhavi Sanjay Raut, Bangalore, IN;
Georgios Tetradis-mairis, Sharnbrook, GB;
Lalitha Balakrishnan, Bangalore, IN;
Indu Mani, Bangalore, IN;
Vijay Mukund Naik, Mumbai, IN;
Janhavi Sanjay Raut, Bangalore, IN;
Georgios Tetradis-Mairis, Sharnbrook, GB;
Conopco, Inc., Englewood Cliffs, NJ (US);
Abstract
A method of coloring keratinous fibers comprising contacting the keratinous fibers sequentially with a pre-treatment composition and a color developer wherein: i. the pre-treatment composition comprises: (a) 0.5-25% by weight of an iron salt at a pH below 2 including 0.5-5% by weight of a reducing agent (b) a buffer effective in the pH range 3-6 and (c) a penetration enhancer comprising one or more solvents having Hansen solubility parameter δh between 1-10 (MPa)and δp between 10-25 (MPa)wherein the component (b) is mixed with (a) or (c) not more than 360 minutes prior to contacting the keratinous fibers and ii. the color developer is selected from one or more of hydrolysable tannin or its breakdown products or derivatives or a mixture thereof obtained from a natural or synthetic source, where the sequence of contact is in any order.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile