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:
Aug. 10, 1976
Filed:
Sep. 09, 1974
Applicant:
Inventors:
Hans Husemeyer, Darmstadt, DT;
Eugene Konrad, Darmstadt, DT;
Assignee:
Wella AG, Darmstadt, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8 101 ; 8 102 ;
Abstract
Hair dyeing compositions containing a dye which has the formula ##SPC1## Wherein R.sub.1 and R.sub.2 are each hydrogen or hydroxy ethyl alone or in conjunction with an oxidation and/or direct dyeing dye. The hair dyeing compositions can also include the conventional additives such as water soluble surface active agents, thickening agents, complex formers, antioxidants, softeners, perfumes, and the like.