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. 30, 2019
Filed:
Dec. 30, 2015
Crystal Pharmatech Co., Ltd., Suzhou, Jiangsu, CN;
Minhua Chen, Suzhou, CN;
Yanfeng Zhang, Suzhou, CN;
Xiaojuan Diao, Suzhou, CN;
Xiaoyu Zhang, Suzhou, CN;
Crystal Pharmatech Co., Ltd., Suzhou, Jiangsu, CN;
Abstract
The present invention relates to crystalline Form A of obeticholic acid and the preparation method thereof. The present invention provides Form A having characteristic peaks at 2theta value of 4.9°±0.2°, 5.2°±0.2°, 9.9°±0.2°. The present invention provides a novel crystalline form of obeticholic acid, which has good stability, good processability and other favorable properties, and is suitable for storage and usage as a final product. In addition, the preparation method is simple, low cost, and has great value for the future optimization and development of obeticholic acid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile