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. 18, 1991
Filed:
Oct. 11, 1990
Applicant:
Inventors:
Yuh-Guo Pan, Stamford, CT (US);
Lana Hochman, Westport, CT (US);
Assignee:
Clairol Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8414 ; 8405 ; 8406 ; 8408 ; 8428 ;
Abstract
The novel dye compound ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different are hydrogen, alkyl, hydroxyalkyl polyhydroxyalkyl, alkoxyalkyl, hydroxyalkoxyalkyl and amino alkyl, the alkyl group and the alkoxy group having from 1 to 6 carbons, and R.sub.3 is a compatible substituent group, for example, hydrogen, alkyl, hydroxy, hydroxylalkyl and halogen. The dye compound is especially useful in hair dye compositions containing same.
Pan, Yuh-Guo. (1991). Nitroaniline dyes with a cyano substituent group (U.S. Patent No. 5024673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5024673
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile