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:
Nov. 27, 2012
Filed:
Jul. 02, 2010
Jonathan Wood, Weinheim, DE;
Ovidiu Feier-iova, Darmstadt, DE;
Achim Scholl, Darmstadt, DE;
Axel Balke, Mühltal, DE;
Mustafa Grit, Gernsheim, DE;
Jonathan Wood, Weinheim, DE;
Ovidiu Feier-Iova, Darmstadt, DE;
Achim Scholl, Darmstadt, DE;
Axel Balke, Mühltal, DE;
Mustafa Grit, Gernsheim, DE;
KPSS-Kao Professional Salon Services GmbH, Darmstadt, DE;
Abstract
The present invention relates to a composition and a method of levelling hair color especially lighter colored hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in color—between the re-growth and formerly lightened parts is clearly visible. The first objective of the present invention is an aqueous composition for levelling hair color comprising at least one fatty acid salt, preferably an in-situ formed ammonium salt, and one or more amphoteric surfactants at a total concentration between 5 and 30% by weight, calculated to total of the composition, and has a pH between 5 and 12. Further the use of the composition for levelling hair color and the method of levelling hair color are disclosed.