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:
May. 24, 2022
Filed:
Dec. 19, 2019
Applicant:
Chirogate International Inc., Yangmei, TW;
Inventors:
Shih-Yi Wei, Yangmei, TW;
Jian-Bang Jheng, Yangmei, TW;
Ming-Kun Hsu, Yangmei, TW;
Min-Kuan Hsu, Yangmei, TW;
Tzyh-Mann Wei, Yangmei, TW;
Assignee:
CHIROGATE INTERNATIONAL INC., Yangmei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 59/72 (2006.01); C07C 51/43 (2006.01);
U.S. Cl.
CPC ...
C07C 59/72 (2013.01); C07C 51/43 (2013.01); C07B 2200/13 (2013.01); C07C 2603/14 (2017.05);
Abstract
There is provided a crystalline Form I of anhydrous Treprostinil and processes for the preparation thereof. The crystalline Form I of anhydrous Treprostnil is a stable crystalline form, which can provide steady physicochemical properties for pharmaceutical formulations, and is advantageous widely and safety used in storage, shipment, and handling for commercially considerations.