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. 10, 1997
Filed:
May. 22, 1995
Applicant:
Inventors:
Assignee:
Indena SpA, Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
4241951 ; 514 12 ;
Abstract
A process is provided for producing a purified extract from Ginkgo biloba leaves by solvent extraction with selected solvents. In the process, a crude or partially purified extract is subjected to solvent extraction with a solvent comprising toluene and n-butanol. Pharmaceutical. compositions comprising dimeric flavones and/or polyphenols are also described.