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.

Date of Patent:
Oct. 08, 2013

Filed:

Mar. 04, 2013
Applicant:

Henkel Ag & Co. Kgaa, Duesseldorf, DE;

Inventors:

Wibke Gross, Hueckelhoven, DE;

Helmut Giesa, Meerbusch, DE;

Astrid Kroos, Monheim, DE;

Assignee:

Henkel AG & Co. KGaA, Duesseldorf, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); C07D 233/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Dicationic azo dyes of the formula (I), which are suitable for coloring keratin fibers, in particular human hair, and are in part themselves still not described in the prior art are provided. In colorations, particularly brilliant and luminous red shades are obtained. Agents for dyeing and optionally simultaneously lightening keratin fibers and methods for dyeing and optionally simultaneously lightening keratinic fibers also are provided.


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