The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2006
Filed:
Apr. 13, 2000
Cecile Isabelle Bonvoisin, Evreux, FR;
Christophe Laroche, Evreux, FR;
Cecile Isabelle Bonvoisin, Evreux, FR;
Christophe Laroche, Evreux, FR;
SmithKline Beecham Corporation, Philadelphia, PA (US);
Abstract
The present invention relates to novel pharmaceutical aerosol formulations comprising: (A) salmeterol xinafoate in the form of particles coated by spray-drying with at least one surfactant in the absence of any other coating excipient, in suspension in (B) a liquefied propellant gas which is 1,1,1,2,3,3,3-heptafluoro-n-propane or 1,1,1,2-tetrafluoroethane and mixtures thereof for administration particularly by the pulmonary route and to a process for preparing these formulations. It also relates to novel particles suitable for use in such formulations.