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. 03, 2015
Filed:
Jun. 18, 2014
Henkel Ag & Co. Kgaa, Düsseldorf, DE;
Matthias Schweinsberg, Hamburg, DE;
HENKEL AG & CO. KGAA, Duesseldorf, DE;
Abstract
Star polymers comprising (1) a structural fragment acting as a center, and (2) at least three groups radially bound to this center, wherein these groups (i) each have at least one polyether structural unit comprising a polyoxyalkylene chain consisting of either ethylene oxide units or both ethylene oxide and propylene oxide units, wherein the polyoxyalkylene chain has a maximum proportion of 50 wt. % of propylene oxide units, relative to the weight of the polyoxyalkylene chain, and (ii) each have at least one residue comprising: (a) at least one *—Si(OR)(R')group, in which R and R′, independently of one another, denote a (Cto C) alkyl group, x denotes 1, 2 or 3; (b) at least one anionic group; (c) at least one quaternized nitrogen atom; or (d) combinations thereof; are suitable for improving synthetic colorings of coloring compounds on keratin-containing fibers.