Patent · US Active

Salt of quinolone compound, polymorphs thereof, preparation method therefor, composition, and applications

US10344035B2 · kind B2 · utility

0Cited by

0References

9Claims

0Family size

Assignee

Shanghai Pharmaceuticals Holding Co., Ltd. · CN

Inventors

Jianxin YU · Shanghai, CN
Yu Hao · Shanghai, CN
Jing Zhang · Wantage, US
Fei Zhao · Suzhou, CN
Leduo Zhang · Shanghai, CN
Zhenying Liu · Shanghai, CN
Gongsheng Li · Shanghai, CN
Yuji Wang · State College, US
Na Chen · Shanghai, CN
Rui Bai · Shanghai, CN
Yi Fan · Valencia, US

Key dates

Filing date	Dec 29, 2016
Grant date	Jul 9, 2019
Priority date	—
Expiry date	Dec 29, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed is a salt of a quinoline derivative, polymorphic forms thereof, preparation methods thereof, a composition, and applications. The SPH1772 ditartrate or crystal form A thereof expresses the following excellent properties: high stability, great bioavailability, excellent pharmacokinetic properties, and better in vivo efficacy than SPH1772 free base.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.