Patent · US Active

Metformin hydrochloride osmotic pump tablet and preparation method therefor

US10668021B2 · kind B2 · utility

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0References

16Claims

0Family size

Assignee

ELITE PHARMA TECHNOLOGY (SHANGHAI) CO., LTD. · CN

Inventors

Wu Tian · 红钢城街道, CN
Qing Tian · Qingdao, CN
Jianping Jiang · London, GB

Key dates

Filing date	Jul 27, 2016
Grant date	Jun 2, 2020
Priority date	—
Expiry date	Jul 27, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K31/155
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Provided are a metformin hydrochloride osmotic pump tablet and a preparation method therefor. According to the preparation method, a hetero-type stamping-prepared metformin hydrochloride tablet core is used, and a controlled-release coating is wrapped outside the stamped metformin hydrochloride tablet core, such that the metformin hydrochloride osmotic pump tablet is prepared.

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