Patent · US Active

Powder injection of the donepezil semi palmoxiric acid salt, composition containing same and preparation method therefor

US11801239B2 · kind B2 · utility

0Cited by

2References

11Claims

0Family size

Assignees

SHANGHAI SYNERGY PHARMACEUTICAL SCIENCES CO., LTD · CN
ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD. · CN

Inventors

Jian Ge · Hubei, CN
Yunfei Li · Fremont, US
Lihong Lin · Zhejiang, CN
Dengxue Sun · Zhejiang, CN
Jiamiao Wang · Shanghai, CN
Yijin Wang · Dongguan, CN
Zhiyun Wang · Zhejiang, CN

Key dates

Filing date	Nov 10, 2021
Grant date	Oct 31, 2023
Priority date	—
Expiry date	Nov 10, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D211/32
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A powder injection of a donepezil semi palmoxiric acid salt, a composition containing the same and a preparation method therefor. The powder injection contains donepezil semi palmoxiric acid salt crystals having an average particle size of 2-52 μm.

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