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. 30, 2019
Filed:
Sep. 14, 2016
Zhejiang Hisun Pharmaceutical Co., Ltd., Taizhou, Zhejiang, CN;
Zhiqing Yang, Taizhou, CN;
Liang Zhang, Taizhou, CN;
Xiangyang Zhang, Taizhou, CN;
Zhenjuan Shi, Taizhou, CN;
Min Zhao, Taizhou, CN;
Hongying Luo, Taizhou, CN;
ZHEJIANG HISUN PHARMACEUTICAL CO., LTD., Zhejiang, CN;
Abstract
Provided are crystal forms I, II, III and IV of a pyrroloquinoline quinone sodium salt and a preparation method thereof. Also provided are a pharmaceutical composition, a cosmetic composition, a functional food or a nutritional agent containing the above-mentioned crystal forms. The crystal forms have excellent properties in terms of solubility, crystal stability, hygroscopicity and the like.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile