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. 21, 2026
Filed:
Jun. 17, 2021
Applicant:
Etern Biopharma (Shanghai) Co., Ltd., Shanghai, CN;
Inventors:
Assignee:
ETERN BIOPHARMA (SHANGHAI) CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 519/00 (2006.01);
U.S. Cl.
CPC ...
C07D 519/00 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present application relates to a compound 1 ((S)-1'-(8-((2-amino-3-chloropyridin-4-yl)thio)imidazo[1,2-c]pyrimidin-5-yl)-5,7-dihydrospiro[cyclopenta[b]pyridine-6,4′-piperidine]-5-amine) represented by formula (I), a novel crystalline form of a hydrate or a solvate thereof, and a pharmaceutical composition comprising the novel crystalline form. The present application further relates to a preparation method for the novel crystalline form and a use of the novel crystalline form.