Pressurized aerosol inhalation compositions

Details Pressurized aerosol inhalation compositions Pressurized aerosol inhalation compositions

1995-06-07

2000-09-26

Spear, James M.

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

424 43, 424 46, 514937, A61K 912

Patent

active

061239240

ABSTRACT:
Pressurized aerosol inhalation composition consisting essentially of a liquefied hydrofluoroalkane, a powdered medicament dispersible to form a suspension in the liquefied hydrofluoroalkane, and polyvinylpyrrolidone present in a concentration of 0.00001 to 10% w/w.

REFERENCES:
patent: 4025635 (1977-05-01), Hodson et al.
patent: 4752466 (1988-06-01), Saferstein et al.
patent: 4869899 (1989-09-01), Burghart et al.
patent: 5225183 (1993-07-01), Pusewal et al.
patent: 5605674 (1997-02-01), Pusewal et al.
patent: 5658549 (1997-08-01), Akehurst et al.
WO,A,8 705 211 ; Sep. 11, 1987; see the whole document.

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