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. 23, 2018
Filed:
May. 15, 2015
Amphastar Pharmaceuticals Inc., Rancho Cucamonga, CA (US);
Jundong Meng, Nanjing, CN;
Yonggang Xu, Nanjing, CN;
Wencun Wang, Nanjing, CN;
Song Chen, Nanjing, CN;
Haoning Zhang, Nanjing, CN;
Amphastar Pharmaceuticals, Inc., Rancho Cucamonga, CA (US);
Abstract
A method for the purification of idraparinux sodium includes: passing a solution including a crude idraparinux sodium through a column including a sodium ion exchange resin to obtain a first mixture; passing a solution including the first mixture through a gel chromatogaphy column to obtain a second mixture; and precipitating a purified idraparinux sodium from a solution including the second mixture.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile