Patent ID: 7736627

Claim:
A suspension of (1) crystalline tiotropium bromide monohydrate in propellant gases HFA 227 and/or HFA 134a, optionally in admixture with one or more other propellant gases selected from the group consisting of propane, butane, pentane, dimethylether, CHClF 2 , CH 2 F 2 , CF 3 CH 3 , isobutane, isopentane and neopentane, wherein the crystalline tiotropium bromide monohydrate has a simple monoclinic cell with the dimensions a=18.0774 Å, b=11.9711 Å, c=9.9321 Å, β=102.691°, and V=2096.96 Å 3 and (2) one or more adjuvants.