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:
Jan. 18, 1994
Filed:
Jul. 13, 1992
Applicant:
Inventors:
Giuseppe Prota, Naples, IT;
Leszek Wolfram, Stamford, CT (US);
Gottfried Wenke, Woodbridge, CT (US);
Assignee:
Clairol Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8406 ; 8405 ; 8407 ; 8408 ; 8409 ; 8410 ; 8414 ; 8416 ; 8423 ; 424 70 ;
Abstract
A process for dyeing hair by preparing and thereafter applying to the hair an aqueous reaction medium comprising a substituted dopa species and an oxidant which is a ferricyanide salt, said aqueous reaction medium further containing a buffer to maintain the pH in the range from 6 to 10 during the reaction, and removing said aqueous reaction medium from the hair within about one hour following its preparation.
Prota, Giuseppe. (1994). Process and kit for dyeing hair (U.S. Patent No. 5279617). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5279617
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile