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:
Jul. 01, 2008
Filed:
Nov. 08, 2007
Wibke Gross, Dusseldorf, DE;
Horst Hoffkes, Dusseldorf, DE;
Doris Oberkobusch, Dusseldorf, DE;
Helmut Muller, Dusseldorf, DE;
Carsten Brake, Mulheim a.d. Ruhr, DE;
Wibke Gross, Dusseldorf, DE;
Horst Hoffkes, Dusseldorf, DE;
Doris Oberkobusch, Dusseldorf, DE;
Helmut Muller, Dusseldorf, DE;
Carsten Brake, Mulheim a.d. Ruhr, DE;
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf, DE;
Abstract
An agent for dyeing keratin-containing fibers, especially human hair, is comprised of a cosmetic carrier, and wherein each of R, Rand Ris independently a hydrogen atom, a halogen atom, a C-Calkyl group, a C-Calkenyl group, a hydroxyl group, a C-Calkoxy group, a C-Chydroxyalkyl group, a C-Cpolyhydroxyalkyl group, a hydroxy C-Calkyloxy group, a sulfonyl group, a carboxyl group, a C-Calkoxycarbonyl group, a hydroxy C-Calkyloxycarbonyl group, a sulfonic acid group, a sulfonamido group, a sulfonamide group, a C-Cacyl group, a formyl group, a nitro group, a carbamoyl group —C(O)—NRR, or a —(CH)NRRgroup wherein each of R, R, Rand Ris independently a hydrogen atom, a C-Calkyl group or a C-Chydroxyalkyl group; and n is number from 0 to 6, wherein Rand Rcan form a 5- or 6-membered aromatic or heteroaromatic ring; and (B) at least one CH-acidic compound.