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:
Feb. 13, 1990
Filed:
Feb. 26, 1988
Applicant:
Inventors:
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
8429 ; 8405 ; 8407 ; 8423 ; 562 61 ;
Abstract
This invention encompasses preparations containing hair dyes of the formula ##STR1## wherein: one of R.sup.1 or R.sup.2 is a nitro and the other is --SO.sub.3 H;