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:
Apr. 18, 2017
Filed:
Apr. 02, 2013
Applicant:
Zhejiang Hisun Pharmaceutical Co., Ltd., Taizhou, CN;
Inventors:
Yanghui Guo, Taizhou, CN;
Hegeng Wei, Taizhou, CN;
Hua Bai, Taizhou, CN;
Yingqiu Wu, Taizhou, CN;
Yue Zhang, Taizhou, CN;
Junhui Zhou, Taizhou, CN;
Yili Ding, Taizhou, CN;
Lingwei Bai, Taizhou, CN;
Shibao Yang, Taizhou, CN;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07H 11/00 (2006.01); C07H 5/06 (2006.01); C07H 15/18 (2006.01); C08B 37/00 (2006.01); C07H 1/00 (2006.01); C07H 15/04 (2006.01);
U.S. Cl.
CPC ...
C08B 37/0075 (2013.01); C07H 1/00 (2013.01); C07H 5/06 (2013.01); C07H 11/00 (2013.01); C07H 15/04 (2013.01); C07H 15/18 (2013.01); C08B 37/006 (2013.01);
Abstract
The present invention relates to a process of a chemically synthetic drug, and in particular, to a new intermediate of a heparin pentasaccharide and a preparation method thereof. The process has high reaction efficiency, and an easy reaction operation. The reaction intermediate is easy to be purified, and is appropriate for an industrialization production.