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:
Dec. 20, 2022
Filed:
Nov. 07, 2019
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
HENKEL AG & CO. KGAA, Duesseldorf, DE;
Abstract
A kit-of-parts and a process for dyeing keratinous material, such as human hair, are provided. The method includes applying a coloring agent (a) to the keratinous material, wherein the agent (a) includes (a1) at least one amino-functionalized silicone polymer, and (a2) at least one color-imparting compound, and (a3) optionally, a film-forming polymer different from (a1). The method further includes applying a post-treatment agent (b) to the keratinous material, wherein the agent (b) includes (b1) at least one acid, and (b2) optionally, a film-forming polymer. In the method, at least one of the agents (a) and/or (b) comprises at least one film-forming polymer.