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:
Jun. 06, 1995
Filed:
Jan. 12, 1994
Applicant:
Inventor:
Heribert Lorenz, Gross-Bieberau, DE;
Assignee:
Goldwell AG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8410 ; 8406 ; 8408 ; 8409 ; 8411 ; 8412 ; 8416 ;
Abstract
Hair dye compositions without sensitizing potential but with improved dyeing properties for all shades comprise only 2-(2'-hydroxyethylamino)5-aminotoluene or the salts thereof as developing agent, or preferably in combination with the usual coupling agents, excluding 1-methoxy-2,4-diaminobenzene and 1-ethoxy-2,4-diaminobenzene.
Lorenz, Heribert. (1995). Hair dye compositions based on oxidation dyestuff precursors (U.S. Patent No. 5421833). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5421833
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile