Composition comprising a therapeutic agent and a modulating agent

Patent 4851229 Issued on July 25, 1989. Estimated Expiration Date:

January 29, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

ALZA Corporation

Application

No. 07/150124 filed on 01/29/1988

US Classes:

424/457, Sustained or differential release424/468Sustained or differential release type

Examiners

Primary: Schofer, Joseph L.
Assistant: Teskin, F. M.

Attorney, Agent or Firm

International Classes

A61K 9/00 (20060101)
A61M 31/00 (20060101)

Abstract

An osmotic delivery system is disclosed for delivering a useful agent at a controlled and constant rate modulated by a pulsed delivery of the useful agent to an environment of use.