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:
Dec. 07, 2004
Filed:
Jun. 13, 2002
Applicant:
Inventors:
Detlef Hollenberg, Erkrath, DE;
Horst Hoeffkes, Duesseldorf, DE;
Frank Naumann, Duesseldorf, DE;
David Rose, Hilden, DE;
Leszek J. Wolfram, Stamford, CT (US);
Joachim-Kurt Foitzik, Seeheim-Jugenheim, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 1/28 ; C09B 1/30 ; C09B 5/100 ; C09B 6/900 ; A61K 7/13 ;
U.S. Cl.
CPC ...
C09B 1/28 ; C09B 1/30 ; C09B 5/100 ; C09B 6/900 ; A61K 7/13 ;
Abstract
A hybrid dye is provided that is useful for coloring keratin fibers and skin. The hybrid dye has the structure X-S-Y, where X is derived from a substantive dye, Y is derived from an oxidation dye precursor or a melanin precursor, and S is a direct bond or spacer group. The present invention also provides a composition for coloring keratin fibers that contains the hybrid dye.