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:
Jul. 07, 2026
Filed:
Jun. 08, 2021
Applicant:
Crystal Pharmatech Co., Ltd., Suzhou, CN;
Inventors:
Xia Lu, Suzhou, CN;
Xiaoyu Zhang, Suzhou, CN;
Assignee:
CRYSTAL PHARMATECH CO., LTD., Suzhou, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/46 (2006.01); C07D 487/08 (2006.01);
U.S. Cl.
CPC ...
C07D 487/08 (2013.01);
Abstract
The present disclosure relates to a novel crystalline form of a tosylate of diazadicyclic compound of formula (I), preparation method therefor, a pharmaceutical composition containing the crystal form, and the use of the crystal form in the preparation of a drug for treating alopecia areata, psoriasis and ulcerative colitis.