Inhalation composition containing lactose pellets

Patent 6183782 Issued on February 6, 2001. Estimated Expiration Date:

September 13, 2016. 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

2897119

3341415

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Patent #: 4605552
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Patent #: 5603943
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Medicaments Patent #: 5695744
Issued on: 12/09/1997
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Inventor

Hallworth, Gerald Wynn

Assignee

Glaxo Group Limited

Application

No. 702700 filed on 09/13/1996

US Classes:

424/497, Containing solid synthetic polymers424/489Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)

Examiners

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

Attorney, Agent or Firm

Bacon & Thomas

Foreign Patent References

1 242 211 GB. 08/13/1971
1 381 872 GB. 01/13/1972
1 402 423 GB. 08/13/1975
1 410 588 GB. 10/13/1975
1 478 020 GB. 06/13/1977
1 569 611 GB. 06/13/1980
1 571 629 GB. 07/13/1980
0 398 631 GB. 11/13/1990
87/05213 WO. 09/13/1987
87 05213 WO. 09/13/1987

International Class

A61K 009/16

Foreign Application Priority Data

1994-03-15 GB

Abstract

The present invention relates to a pharmaceutical composition which is suitable for the administration of medicaments by inhalation. In particular, the pharmaceutical composition comprises microfine particles of medicament and at least one lactose pellet having a diameter of from about 10 to about 1500 micrometers, which pellet comprises a plurality of microfine lactose particles. A method of treating respiratory disorders which comprises administration by inhalation of an effective amount of medicament selected from the group consisting of anti-allergics, bronchodilators, anti-inflammatory steroids and mixtures thereof in the pharmaceutical composition as defined is also described.