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. 08, 2019
Filed:
Dec. 02, 2015
Yunnan Institute of Materia Medica, Yunnan, CN;
Hlk Pharmaceuticals Co., Ltd., Guangdong Province, CN;
Zeren Wang, Guangdong Province, CN;
Jun Xu, Guangdong Province, CN;
Minghui Wang, Yunnan, CN;
Zhaoyun Zhu, Yunnan, CN;
Jingkun Wang, Yunnan, CN;
Shuangxi Mei, Yunnan, CN;
Wenqiang Sun, Yunnan, CN;
Tao Cui, Yunnan, CN;
YUNNAN INSTITUTE OF MATERIA MEDICA, Yunnan, CN;
HLK PHARMACEUTICALS CO., LTD., Guangdong Province, CN;
Abstract
The invention belongs to the field of medicine and chemical industry, and particularly relates to multiple crystal forms of scutellarin aglycone and preparation thereof. The invention also relates to use of said crystal forms of scutellarin aglycone in the manufacture of a medicament for preventing and/or treating a cardiovascular or cerebrovascular disease, rheumatic arthritis or stroke sequelae, etc. The crystal forms of scutellarin aglycone according to the invention have good stability, and can solve the problems concerning poor oral absorption and low bioavailability of scutellarin.