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. 05, 2013
Filed:
Sep. 02, 2011
Applicants:
John C. Warner, Wilmington, MA (US);
Michael S. Viola, Burlington, MA (US);
Inventors:
John C. Warner, Wilmington, MA (US);
Michael S. Viola, Burlington, MA (US);
Assignee:
Warner Babcock Institute, Wilmington, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed and claimed herein are a natural coloring formulation for coloring hair, and methods of its use. The coloring formulation includes a catechol-based precursor and an oxidizing agent. Additionally an alkalizing agent may be present. The formulation is substantially free of organic solvents, co-solvents and diluents.