Patent · US Active

Crystal forms of bedaquiline fumarate and preparation methods therefor

US10196360B2 · kind B2 · utility

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0References

4Claims

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Assignee

Zhejiang Hisun Pharmaceutical Co., Ltd. · CN

Inventors

Jinyi Xu · Taizhou City, CN
Liang Zhang · Sichuan, CN
Xiangyang Zhang · Longbeilingcun, CN
Xinzeng Wang · Taizhou City, CN
Jian Chai · Zhejiang, CN
Hongying Luo · Taizhou City, CN
Zhiqing Yang · Taizhou City, CN

Key dates

Filing date	Oct 20, 2015
Grant date	Feb 5, 2019
Priority date	—
Expiry date	Oct 20, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/06
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Provided are crystal forms I, II, and III of bedaquiline fumarate, and preparation methods thereof. The crystal forms have high purity, excellent physicochemical properties, and good stability. The preparation methods can effectively improve the quality of products, and are applicable to preparation and mass production of medicines.

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