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:
Nov. 23, 1999

Filed:

Dec. 10, 1997
Applicant:
Inventors:

Beatrice Belcour-Castro, La Riche, FR;

Georges Hussler, Aulnay-Sous-Bois, FR;

Anne Bonnet, Paris, FR;

Assignee:

L'Oreal, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; A61K / ; A61K / ; C07D / ;
U.S. Cl.
CPC ...
435117 ; 435 41 ; 435121 ; 435122 ; 435410 ; 4241951 ; 424 701 ; 424 706 ; 424 74 ; 514183 ;
Abstract

Colorant precursors, which are present in the cells of plants belonging to the genus Medicago, such as alfalfa, can react with quinones so as to yield colorants which can be used in dyeing compositions for textiles or hair.


Find Patent Forward Citations

Belcour-Castro, Beatrice. (1999). Colorant precursors derivable from cells of plants of the genus (U.S. Patent No. 5989876). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5989876

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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