U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Medicinal aerosol formulations

Patent 5225183 Issued on July 6, 1993. Estimated Expiration Date: Icon_subject January 30, 2011. 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.

Patent References

2868691

3014844

Composition for treating airway disease
Patent #: 4161516
Issued on: 07/17/1979
Inventor: Bell

Aerosol propellant compositions
Patent #: 4174295
Issued on: 11/13/1979
Inventor: Bargigia ,   et al.

Composition for treating asthma
Patent #: 4405598
Issued on: 09/20/1983
Inventor: Brown

Absorption refrigerant compositions for use in absorption refrigeration systems
Patent #: 4428854
Issued on: 01/31/1984
Inventor: Enjo ,   et al.

Inhalation pharmaceuticals
Patent #: 4590206
Issued on: 05/20/1986
Inventor: Forrester ,   et al.

Prazosin-pirbuterol combination for bronchodilation
Patent #: 4601897
Issued on: 07/22/1986
Inventor: Saxton

Drug-containing chlorofluorocarbon aerosol propellent formulations
Patent #: 4814161
Issued on: 03/21/1989
Inventor: Jinks ,   et al.

Micronised beclomethasone dipropionate monohydrate compositions and methods of use Patent #: 4866051
Issued on: 09/12/1989
Inventor: Hunt ,   et al.

Inventors

Assignee

Application

No. 649140 filed on 01/30/1991

US Classes:

424/45, Organic pressurized fluid424/46, Powder or dust containing424/451, Capsules (e.g., of gelatin, of chocolate, etc.)514/180, 9-position substituted514/183Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI

Examiners

Primary: Page, Thurman K.
Assistant: Benston, William E. Jr.

Attorney, Agent or Firm

Foreign Patent References

  • 2737132 DE. 02/12/1978
  • 2046093 GB. 11/12/1980

International Class

A61L 009/04

Foreign Application Priority Data

1988-12-06 GB

Abstract

A self-propelling aerosol formulation which may be free from CFC's which comprises a medicament, 1,1,1,2-tetrafluoroethane, a surface active agent and at least one compound having a higher polarity than 1,1,1,2-tetrafluoroethane.

Other References

  • Research Disclosure, vol. 162, 1977, p. 70 (#16265) Search Report of corresponding EPO application
  • International Journal of Refrigeration 1988, 11, 389 (Spauschus, Nov. 1988)
  • "Manufacturing Chemist", Feb. 1988, p. 9
  • "Processing", Dec. 1988, p. 7
  • "Fluorocarbons and Ozone" Apr. 1988
  • Manufacturing Chemist, Sep. 1988, p. 9
  • Manufacturing Chemist, Jun. 1988, p. 3
  • Aerosol Age, Jul. 1988, pp. 28-31
  • New Scientist, May 26, 1988, pp. 56-60
  • Western Union "Mailgram", DuPont, Mar. 24, 1988
  • Aerosol Age, Aug. 1988, pp. 32-3
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