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. 26, 2024
Filed:
Mar. 13, 2020
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Torsten Lechner, Langenfeld, DE;
Gabriele Weser, Neuss, DE;
Claudia Kolonko, Remscheid, DE;
Caroline Kriener, Duesseldorf, DE;
Ulrike Schumacher, Duesseldorf, DE;
Marc Nowottny, Monchengladbach, DE;
Juergen Schoepgens, Schwalmtal, DE;
Phillip Jaiser, Langenfeld, DE;
Carsten Mathiaszyk, Essen, DE;
HENKEL AG & CO. KGAA, Duesseldorf, DE;
Abstract
A process and a kit-of-parts for dyeing keratinous material, such as human hair, are provided. An exemplary process for dyeing keratinous material includes applying an agent (a) to the keratinous material. Agent (a) includes (a1) at least one organic silicon compound selected from the group consisting of silanes having one, two or three silicon atoms, and (a2) at least one first colorant compound comprising at least one pigment based on a lamellar substrate platelet. The method further includes applying an agent (b) to the keratinous material. Agent (b) includes (b1) at least one film-forming polymer, and (b2) at least one second colorant compound selected from the group consisting of pigments and/or direct dyes.