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:
Mar. 15, 2016
Filed:
Jun. 18, 2015
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
Methods and related agents. Said agents including, in a cosmetically acceptable carrier, a) at least one copolymer A having at least one structural unit (A1), at least one structural unit (A2), at least one structural unit (A3) and at least one structural unit (A4), wherein R1 represents an optionally heterofunctionalized alkyl group; R2 represents an optionally heterofunctionalized alkyl group which is different from R1; R3 independently represents an optionally heterofunctionalized alkyl group different from R1 and R2, and b) at least one copolymer B, which is different from copolymer A and has at least one structural unit (B1), wherein R4 represents an optionally heterofunctionalized alkyl group, improve the color retention of oxidatively dyed keratin-containing fibers.