Patent · US Expired

Delivery system with bilayer osmotic engine

US5340590A · kind A · utility

34Cited by
28References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1993
Grant dateAug 23, 1994
Priority date
Expiry dateJul 8, 2013

Classification

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

Abstract

A dispenser for use in a fluid environment which is capable of delivery of a plurality of discrete drug-containing units in any desired delivery pattern or profile.

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