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:
Oct. 30, 2018
Filed:
Apr. 28, 2008
Applicants:
Yohan Rolland, Macon, FR;
Charles Duval, Charnay les Macon, FR;
Inventors:
Yohan Rolland, Macon, FR;
Charles Duval, Charnay les Macon, FR;
Assignee:
NATUREX, Avignon, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61K 36/185 (2006.01);
U.S. Cl.
CPC ...
A61K 36/185 (2013.01);
Abstract
A method for preparing a concentrated extract of, in liquid or dry form, having a harpagoside titer greater than or equal to 5%, comprises a step of purifying a crude extract ofin liquid form in aqueous phase by a technique of liquid-liquid extraction with an organic solvent selected from the esters.