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. 27, 1992
Filed:
Dec. 27, 1990
Applicant:
Inventors:
Assignees:
Freund Industrial Co., Ltd., Tokyo, JP;
Japan Greenwave Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C08B / ; C13K / ;
U.S. Cl.
CPC ...
4241951 ; 536-11 ; 127 29 ; 127 30 ; 127 33 ;
Abstract
An aqueous solution containing a high concentration of ginkgo leaf extract having good preservability is prepared. The aqueous solution containing ginkgo leaf extract comprises at least 1 weight % of a hydrous organic solvent extract obtained from ginkgo leaf, and further disaccharide alcohols and/or trisaccharide alcohols, and/or organic compounds having a basic nitrogen atom in the molecule and a solubility in water at normal temperature of at least 10 g/100 ml.