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:
Nov. 09, 1993
Filed:
Jun. 10, 1992
Applicant:
Inventors:
Jean F Grollier, Paris, FR;
Jean Cotteret, Franconville, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C09B / ;
U.S. Cl.
CPC ...
8405 ; 8428 ; 8435 ; 8609 ; 8610 ; 8611 ; 8662 ; 8663 ;
Abstract
The invention relates to compositions, which are stable on storage, of certain benzoquinone and naphthoquinone dyestuffs in an anhydrous solvent containing a non-ionic surface-active agent.
Grollier, Jean. (1993). Composition based on quinone dyestuffs for use in hair dyeing and (U.S. Patent No. 5259849). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5259849
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile