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.:

US 7307155 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 11, 2007

Filed:

Jul. 14, 2004
Applicants:

Victor Paul Eliu, Lörrach, DE;

Beate Fröhling, Steinen, DE;

Inventors:

Victor Paul Eliu, Lörrach, DE;

Beate Fröhling, Steinen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 44/16 (2006.01); A61Q 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to novel the cationic dyes of formula (1) wherein Ris an unsubstituted or substituted C-Calkyl or an aryl radical; Xis an anion; Ris an unsubstituted or substituted C-Calkyl, aryl radical, C-Calkoxy, cyanid, nitro or halide; n is 1 or 2; and if n is 1, then Ris hydrogen, unsubstituted or substituted C-Calkyl; or if n is 2, then Ris an unsubstituted or substituted C-Calkylen. Further, the present invention relates to compositions thereof, especially comprising other dyes, to processes for the preparation thereof and to the use thereof in the dyeing of organic material, such as keratin, wool, leather, silk, paper, cellulose or polyamides, and preferably human hair


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