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. 31, 2022
Filed:
Nov. 21, 2019
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Frank Bachmann, Basel, CH;
Beate Froehling, Ludwigshafen, DE;
Christian Cremer, Grenzach-Wyhlen, DE;
Marie-Pascale Perritaz, Basel, CH;
Volker Wendel, Düsseldorf-Holthausen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); A61K 8/49 (2006.01); A61K 8/365 (2006.01); A61K 8/41 (2006.01); A61Q 5/06 (2006.01);
U.S. Cl.
CPC ...
A61K 8/494 (2013.01); A61K 8/365 (2013.01); A61K 8/41 (2013.01); A61Q 5/065 (2013.01); A61K 2800/4324 (2013.01);
Abstract
A composition for dyeing keratin fibres comprising a. at least one azomethine compound selected from compounds (3) and (4) and b. water. The composition may be used in a process for dyeing keratin fibres or, with simultaneous or sequential application of a composition comprising one or more oxidising agents, in a process for lightening keratin fibres.