Patent ID: 7429600

Claim:
Propellent-free inhalable solution or suspension containing the i) active substance according to formula 1 wherein A denotes a double-bonded group selected from among X- denotes an anion with a single negative charge, R denotes hydrogen, hydroxy, methyl, ethyl, —CF 3 , CHF 2 or fluorine; R 1 and R 2 which may be identical or different denotes C 1 -C 5 -alkyl which may optionally be substituted by C 3 -C 6 -cycloalkyl, hydroxyl or halogen,or R 1 and R 2 together denote a C 3 -C 5 -alkylene-bridge; and R 3 , R 4 , R 3′ and R 4′ which may be identical or different denote hydrogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkyloxy, hydroxy, —CF 3 , —CHF 2 , CN, NO 2 or halogen, ii) an aqueous or alcoholic solvent, or a mixture of water and ethanol and iii) an inorganic or organic acid.