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
Applicant:
Zhejiang Hisun Pharmaceutical Co., Ltd., Taizhou, Zhejiang, CN;
Inventors:
Zhiqing Yang, Taizhou, CN;
Liang Zhang, Taizhou, CN;
Xiangyang Zhang, Taizhou, CN;
Zhenjuan Shi, Taizhou, CN;
Min Zhao, Taizhou, CN;
Hongying Luo, Taizhou, CN;
Assignee:
ZHEJIANG HISUN PHARMACEUTICAL CO., LTD., Zhejiang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23L 33/10 (2016.01); A61Q 19/00 (2006.01); C07D 471/04 (2006.01); A61K 31/4745 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); A23L 33/10 (2016.08); A61K 31/4745 (2013.01); A61Q 19/00 (2013.01); C07B 2200/13 (2013.01);
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.