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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.:

US 11840526 B1

PDFFull Text
Date of Patent:
Dec. 12, 2023

Filed:

Aug. 31, 2022

Compounds and method for preparing the same

Applicants:

Beijing Grand Johamu Pharmaceutical Company, Ltd., Beijing, CN;

Nanjing Gritpharmaco., Ltd., NanJing, CN;

Inventors:

Weiye Wei, Beijing, CN;

Jiannan Yang, Beijing, CN;

Xiaotao Wu, Beijing, CN;

Taotao Zhao, Beijing, CN;

Hao Wang, Beijing, CN;

Chao Li, Beijing, CN;

Lei Qu, Beijing, CN;

Bin Wang, Beijing, CN;

Assignees:

BEIJING GRAND JOHAMU PHARMACEUTICAL COMPANY, LTD., Beijing, CN;

NANJING GRITPHARMACO., LTD., Nanjing, CN;

Attorney:

Scully, Scott, Murphy & Presser, P.C.

Primary Examiner:

Brian E McDowell

Int. Cl.
CPC ...
A61K 31/427 (2006.01); C07D 403/14 (2006.01); A61P 31/14 (2006.01);
U.S. Cl.
CPC ...
C07D 403/14 (2013.01); A61K 31/427 (2013.01); A61P 31/14 (2018.01);
Abstract

The present invention provides a composition comprising a compound of formula (I) or a physiologically acceptable salt thereof, in which the compound of formula (I) or a physiologically acceptable salt thereof has a HPLC purity of ≥90%; wherein R, R, X and n are as defined herein. The present invention further provides use of the composition according to the present invention for preparing and/or purifying a composition comprising a salt of the compound of formula (I), and a method for treating a disease caused by a coronavirus which comprises administering the composition of the present invention to a subject. The composition of the present invention comprises the compound of formula (I) with high purity, and has good fluidity and anti-caking property; moreover, the claimed composition comprising the compound of formula (I)) with high purity is more suitable for preparing a composition comprising a salt of the compound of formula (I) with higher purity.

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Wei, Weiye. (2023). Compounds and method for preparing the same (U.S. Patent No. 11840526). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11840526

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