Patent · US Expired

Drug delivery device which can be retained in the stomach for a controlled period of time

US4767627A · kind A · utility

226Cited by

14References

12Claims

0Family size

Assignee

MERCK & CO., INC. · US

Inventors

Larry J. Caldwell · Lawrence, US
Colin R. Gardner · Lawrence, US
Robyn C. Cargill · Lawrence, US

Key dates

Filing date	May 1, 1987
Grant date	Aug 30, 1988
Priority date	—
Expiry date	May 1, 2007

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M31/002
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A drug delivery device retained in the stomach comprising a planar figure made from an erodible polymer that may release a drug associated therewith over a controlled, predictable and extended period of time.

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