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.

Date of Patent:
May. 26, 2026

Filed:

Aug. 12, 2021
Applicant:

Shanghai Fudan-zhangjiang Bio-pharmaceutical Co., Ltd., Shanghai, CN;

Inventors:

Ming Cheng, Shanghai, CN;

Yaqi Cao, Shanghai, CN;

Junen Sun, Shanghai, CN;

Yu Pu, Shanghai, CN;

Jianping Jiang, Shanghai, CN;

Wenbo Zhang, Shanghai, CN;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); C07B 2200/13 (2013.01);
Abstract

Provided in the present invention are a salt form and a crystal form of a JAK inhibitor, a preparation method therefor, and the use thereof. An X-ray powder diffraction pattern of a crystal form A of a compound as shown in formula I has characteristic diffraction peaks at the 2θ angles of 5.9°±0.2°, 7.4°±0.2°, 11.6°±0.2°, 21.7°±0.2° and 23.8°±0.2°.


Find Patent Forward Citations

Cheng, Ming. (2026). Salt form and crystal form of jak inhibitor, preparation method therefor, and use thereof (U.S. Patent No. 12637457). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12637457

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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