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:
May. 13, 2025
Filed:
May. 31, 2022
Henkel Ag & Co. Kgaa, Düsseldorf, DE;
Juergen Schoepgens, Schwalmtal, DE;
Torsten Lechner, Langenfeld, DE;
Phillip Jaiser, Langenfeld, DE;
Avni Tairi, Duisburg, DE;
Carolin Kruppa, Hilden, DE;
Marc Nowottny, Mönchengladbach, DE;
Carsten Mathiaszyk, Essen, DE;
Andreas Walter, Ratingen, DE;
Henkel AG & Co. KGaA, Düesseldorf, DE;
Abstract
A method for dyeing keratinous material, in particular human hair, is described. An agent (v) is applied to the keratinous material. The agent (v) includes at least one polyethylene glycol having an average molecular mass of 200 to 8000 g/mol, at least one aliphatic alcohol, and at least one alkalizing reagent application of an agent (a) to the keratinous material. The agent (a) comprises at least one organosilicon compound from silanes having one, two or three silicon atoms. An agent (b) is applied to the keratinous material, where the agent (b) includes at least one sealing reagent. At least one of agents (a) and (b) additionally includes at least one dyeing compound from the group consisting of pigments and direct dyes.