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, 2018
Filed:
Dec. 03, 2015
Applicant:
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Inventors:
Erik Schulze zur Wiesche, Hamburg, DE;
René Krohn, Norderstedt, DE;
Assignee:
Henkel AG & Co. KGaA, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/04 (2006.01); A61K 8/23 (2006.01); A61K 8/898 (2006.01); A61Q 5/00 (2006.01);
U.S. Cl.
CPC ...
A61K 8/23 (2013.01); A61K 8/898 (2013.01); A61Q 5/004 (2013.01); A61Q 5/04 (2013.01);
Abstract
A method for the color retention of dyed keratin fibers is provided herein. The method includes i. applying a cosmetic composition to dyed keratin fibers as a pretreatment agent for keratin. The method further includes ii. subjecting the keratin fibers to a dyeing and/or brightening within a period of about 5 seconds to about 24 hours after to step i. The cosmetic composition has, based on its own weight, from about 0.01 to about 4.00% by weight of at least one alum and a pH value in the range of about 2.5 to about 5.