Patent · US Active

Revaprazan hydrochloride polymorphs and preparation method therefor

US10005757B2 · kind B2 · utility

0Cited by

3References

23Claims

0Family size

Assignee

JIANGSU TASLY DIYI PHARMACEUTICALS CO., LTD. · CN

Inventors

Wenzheng LIU · Lo Wu, CN
Guocheng Wang · 安丰镇, CN
Qingwei Hou · Tianjin, CN
Hongguang Meng · 安丰镇, CN

Key dates

Filing date	Nov 12, 2015
Grant date	Jun 26, 2018
Priority date	—
Expiry date	Nov 12, 2035

Classification

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

Abstract

Provided are revaprazan hydrochloride polymorphs and a preparation method thereof. The method comprises a step of dissolving revaprazan hydrochloride in ethanol or aqueous solutions of ethanol having different proportions to perform recrystallization.

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