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:
Oct. 28, 1986
Filed:
Jul. 08, 1985
Applicant:
Inventors:
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ; C07D / ;
U.S. Cl.
CPC ...
8414 ; 8423 ; 8649 ; 260509 ; 546184 ; 546232 ; 562437 ; 544166 ; 544167 ;
Abstract
Hair coloring preparations containing substantive hair dyes corresponding to the following general formula ##STR1## in which A is an SO.sub.3 H group or a COOH group, and R.sup.1 and R.sup.2 are hydrogen or other substituents, show high fastness properties and favorable toxicological properties. The substantive hair dyes are preferably present in the hair coloring preparations in a quantity of from 0.01 to 5.0% by weight, optionally in conjunction with known oxidation hair dye precursors.