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:
Oct. 01, 2024

Filed:

Sep. 27, 2023
Applicant:

Hangzhou Solipharma Co., Ltd., Zhejiang, CN;

Inventors:

Xiaohong Sheng, Zhejiang, CN;

Xiaoxia Sheng, Zhejiang, CN;

Yu Dai, Zhejiang, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01); A61K 31/437 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); C07B 2200/13 (2013.01);
Abstract

The present application provides a crystalline form of tolebrutinib, an amorphous form, and a method of preparation thereof and a use thereof, and the crystalline form of tolebrutinib provided in the present application has at least one of the following advantages: good stability, low moisture attraction, uniform particle size distribution, solubility meeting the requirements for medicinal use, stable storage, avoiding phase transformation of the drug in the process of development and in storage, and a reliable method for the preparation thereof, which has a great development value. The amorphous form of tolebrutinib provided in this application, while possessing better solubility than that of tolebrutinib in the crystalline state, still possesses good stability of placement and acceptable hygroscopicity, and has high medicinal value.


Find Patent Forward Citations

Sheng, Xiaohong. (2024). Crystal and amorphous form of tolebrutinib, preparation method therefor, and use thereof (U.S. Patent No. 12103925). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12103925

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