Non-chlorofluorocarbon aerosol formulations

US6503482B1 · kind B1 · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Julianne Fassberg · New York, US
• Joel A. Sequeira · New York, US
• Imtiaz A. Chaudry · North Caldwell, US
• Michael Kopcha · Kendall Park, US

Key dates

• Filing date: Dec 9, 1993
• Grant date: Jan 7, 2003
• Expiry date: Dec 9, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K3/30
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Aerosol formulations substantially free of chlorofluorocarbons, for oral and/or nasal administration, are described. The formulations comprise 1,1,1,2-tetrafluoroethane, a medicament, optionally an excipient and optionally a surfactant. Methods of treatment using the formulations also are described.