U.S. patents available from 1976 to present.
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Formulation for intranasal administration

Patent 6017963 Issued on January 25, 2000. Estimated Expiration Date: Icon_subject November 14, 2015. 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.

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Inventors

Assignee

Application

No. 557279 filed on 11/14/1995

US Classes:

514/646Benzene ring containing

Examiners

Primary: MacMillan, Keith D.

Attorney, Agent or Firm

Foreign Patent References

  • WO9315737 WO 08/12/1993
  • WO9404133 WO 03/12/1994
  • WO9410987 WO 05/12/1994
  • WO9422445 WO 10/12/1994

International Class

A61K 031/135

Abstract

A dosage form for intranasal and/or inhalation administration of an analgesic having low opioid receptor binding activity to a warm blooded animal, that includes a pharmaceutically effective amount of the analgesic. A preferred analgesic is tramadol, a tramadol and/or a pharmaceutically acceptable salt, metabolite or derivative thereof. Methods of making and using the formulation according to the invention are also provided.

Other References

  • Chemical Abstracts AN: 108: 82103, Chrnbasik et al, "Analgesic use by Inhalation" corresponds to DE 3602370 A1, Aug. 6, 1986. Remington's Pharmaceutical Sciences, p. 1451, 198
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