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:
Jan. 05, 2010
Filed:
May. 21, 2003
Feng Wei, Tianjin, CN;
Hongshui Yue, Taijin, CN;
Dekun LI, Taijin, CN;
Jiangxiao Sun, Taijin, CN;
Zhengliang YE, Tianjin, CN;
Xu LI, Taijin, CN;
Feng Wei, Tianjin, CN;
Hongshui Yue, Taijin, CN;
Dekun Li, Taijin, CN;
Jiangxiao Sun, Taijin, CN;
Zhengliang Ye, Tianjin, CN;
Xu Li, Taijin, CN;
Tianjin Tasly Pharmaceutical Co., Ltd., Beichen District, Taijin, unknown;
Abstract
A process for preparing tanshintotalphenolic acid and the use of the product are disclosed. The process comprises: tanshin is hot-extracted with water, the extract is separated and refined by polyamide column and macroporous adsorption resin column, and lyophilized to obtain tanshintotalphenolic acid. The yield of the final end product is more than 4 percent based on the amount of crude drug and the content of totalphenolic acid is more than 80 percent. The tanshintotalphenolic acid obtained can be used as the medicine for preventing and treating cerebrovascular and cardiovascular diseases and so on.