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US 11,883,372 B2Granted
Pharmaceutical composition
AssigneeMexichem Fluor S.A. De C.V.
InventorsStuart Corr, Timothy James Noakes
Life of this patent
Estimating the term…
Abstract
A pharmaceutical composition is described. The composition comprises: (i) a drug component consisting of salmeterol xinafoate and fluticasone propionate. and (ii) a propellant component at least 90 wt % of which is 1,1-difluoroethane (HFA-152a). The drug component is the sole drug component in the pharmaceutical composition.
Claims20
A pharmaceutical composition comprising:
- a drug component consisting of salmeterol xinafoate and fluticasone propionate, and
- (ii) a propellant component at least 90 wt % of which is 1,1-difluoroethane (HFA-152a),
- wherein the drug component is the sole drug component in the pharmaceutical composition, and
- wherein the pharmaceutical composition is free of (i) polyvinylpyrrolidone, (ii) polyethylene glycol, (iii) polymers having amide and/or carboxylic acid ester repeating structural units.
1 more element
A pharmaceutical composition consisting of:
- (i) a drug component consisting of salmeterol xinafoate and fluticasone propionate, and
- (ii) a propellant component at least 90 wt % of which is 1,1-difluoroethane (HFA-152a).
Dependencies are inferred from the claim text.