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:
Feb. 13, 2024
Filed:
Oct. 16, 2020
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Phillip Jaiser, Langenfeld, DE;
Marc Nowottny, Moenchengladbach, DE;
Carsten Mathiaszyk, Essen, DE;
Gabriele Weser, Neuss, DE;
Torsten Lechner, Langenfeld, DE;
Caroline Kriener, Duesseldorf, DE;
Juergen Schoepgens, Schwalmtal, DE;
Ulrike Schumacher, Duesseldorf, DE;
Claudia Kolonko, Remscheid, DE;
Udo Erkens, Willich, DE;
HENKEL AG & CO. KGAA, Duesseldorf, DE;
Abstract
The subject of the present disclosure is a process for dyeing keratinous material, in particular human hair. The process includes applying a first composition (A) to the keratinous material. The first composition includes (A1) one or more organic C-Calkoxysilanes and/or condensation products thereof, and (A2) at least one colorant compound selected from the group of pigments and direct dyes. A second composition (B) is applied to the keratinous material. The second composition (B) includes (B1) Tannic acid.