Patent · US Expired

Means for providing instant agent from agent dispensing system

US4643731A · kind A · utility

1,359Cited by
24References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 16, 1985
Grant dateFeb 17, 1987
Priority date
Expiry dateAug 16, 2005

Classification

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

Abstract

A dispensing system is disclosed for delivering a beneficial agent formulation instantly and continuously over time to an environment of use. The dispensing system comprises an outer housing surrounding at least a part of a dispensing device. The dispensing device comprises a wall surrounding a compartment with a passageway in the wall connecting the compartment with the interior of the dispensing device. A beneficial agent formulation is present in the housing for instant delivery and a beneficial agent formulation is present in the compartment for continuous delivery.

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