Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid
Reexamination Certificate
2005-05-17
2005-05-17
Dodson, Shelley A. (Department: 1616)
Drug, bio-affecting and body treating compositions
Effervescent or pressurized fluid containing
Organic pressurized fluid
C424S400000, C424S046000, C424S489000, C514S826000, C514S958000
Reexamination Certificate
active
06893628
ABSTRACT:
A pharmaceutical formulation comprising (i) one or more particulate medicaments, and (ii) 1,1,1,2-tetrafuoroethane as propellant, which formulation contains less than 0.0001% w/w surfactant based upon the weight of medicament, particulate medicament being present in an amount from 00005 to 5% w/w relative to the total weight of the formulation and having a particle size of less than 100 microns, with the proviso that the medicament is other than salmeterol, salbutamol, fluticasone propionate, beclomethasone dipropionate or a physiologically acceptable salt or solvate thereof and with the proviso that when the formulation consists of betamethasone, ergotamine tartrate or sodium cromoglycate and 1,1,1,2-tetrafluoroethane the weight to weight ratio of medicament to propellant is other than 69:7900 or 0.866% w/w.
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Akehurst Rachel Ann
Taylor Anthony James
Wyatt David Andrew
Bacon & Thomas
Dodson Shelley A.
George Konata M.
Glaxo Group Limited
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