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.

Date of Patent:
Jul. 12, 1988

Filed:

Oct. 24, 1986
Applicant:
Inventors:

David Rose, Hilden, DE;

Edgar Lieske, Duesseldorf, DE;

Norbert Maak, Nuess, DE;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
8429 ; 8405 ; 8407 ; 8409 ; 8414 ; 2605 / ; 260508 ; 562435 ; 564434 ;
Abstract

Novel substituted nitrodiphenylamines and substantive hair dye preparations containing them or containing nitrodiphenylamines with different substituents. The dyes result in yellow to orange-red colored shades of high intensity and fastness and are more soluble in water than known nitroaniline dyes.


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