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:
Jul. 01, 2014
Filed:
Apr. 21, 2005
Baiping MA, Beijing, CN;
Hao Chen, Beijing, CN;
Chengqi Xiong, Beijing, CN;
Liping Kang, Beijing, CN;
Jie Zhang, Beijing, CN;
Baiping Ma, Beijing, CN;
Hao Chen, Beijing, CN;
Chengqi Xiong, Beijing, CN;
Liping Kang, Beijing, CN;
Jie Zhang, Beijing, CN;
Abstract
A method for preparation of Timosaponin BII, which uses Chinese traditional medicine Rhizoma Anemarrhenae or fresh rhizoma or fibrous root ofBge. as raw material, and comprises isolation of Timosaponin BII by one or more processes selected from solvent extraction, resin adsorption, polyamide chromatography, reversed phase column chromatography, Sephadex LH-20 column chromatography, etc, combining with conventional drying method such as reduced pressure drying, freeze drying, spray drying, and so on. Timosaponin BII obtained by the present method is of over 90% purity, and the method is simple, practicable and suitable for industrial production.