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:
Dec. 11, 2012
Filed:
Aug. 17, 2010
Applicants:
Penelope Eileen Knight, Bedford, GB;
Richard Awerkwei Quartey, Milton Keynes, GB;
Inventors:
Penelope Eileen Knight, Bedford, GB;
Richard Awerkwei Quartey, Milton Keynes, GB;
Assignee:
Conopco, Inc., Englewood Cliffs, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a permanent dye for coloring keratinous fibers comprising: (a) A solution of iron (II) or iron (III) salt; (b) A solution of an aqueous extract ofand (c) A solution of at least one color developer selected from the group consisting of a polyphenol and polyphenol derivatives or mixture thereof. A method of coloring keratinous fibers using the permanent dye is also provided.