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:
Jul. 29, 1997
Filed:
Sep. 22, 1995
Applicant:
Inventors:
Alexander C Chan, Buffalo Grove, IL (US);
Fe P Pascual, Elk Grove, IL (US);
Assignee:
Helene Curtis, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 706 ; 424 62 ; 8405 ; 132208 ;
Abstract
The invention is an aqueous composition for removing coloring from hair treated with semipermanent hair colorant. The composition includes a reducing agent, at least one alcohol, water and an alkaline compound. A sufficient amount of the alkaline compound is employed to maintain the pH of the composition in the range of about 9.0 to about 11.0. The invention also includes a method of removing, or bleaching, colorant from semipermanent colored hair. The method includes applying the aqueous composition to semi-permanently colored hair producing bleached hair. Lastly, the bleached hair is rinsed and shampooed.