Powder formulations containing tiotropium suitable for inhalation

US6881422B2 · kind B2 · utility

Assignee

• BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG · DE

Inventors

• Rolf Banholzer · Stuttgart, DE
• Manfred Graulich · Waldalgesheim, DE
• Christian Kulinna · Mainz, DE
• Andreas Mathes · Ockenheim, DE
• Helmut Meissner · Ingelheim am Rhein, DE
• Peter Seiger · Mittelbiberach, DE
• Peter Specht · Ober-Hilbersheim, DE
• Michael Trunk · Ingelheim am Rhein, DE

Key dates

• Filing date: Apr 3, 2003
• Grant date: Apr 19, 2005
• Expiry date: Apr 25, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/14
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A method of making a physically stable and homogenous powdered pharmaceutical composition comprising a tiotropium salt and a physiologically acceptable excipient, the method comprising: