Patent ID: 7569581

Claim:
A method of treating asthma or COPD in a host in need thereof comprising administering by inhalation to the host an effective amount of a compound of formula 1 wherein: A is a group selected from X − is an anion with a single negative charge; R 1 and R 2 , which are identical or different, are each C 1 -C 4 -alkyl, which are optionally substituted by hydroxy or halogen; R 3 , R 4 , R 5 , and R 6 , which are identical or different, are each hydrogen, C 1 -C 4 -alkyl, C 1 -C 4 -alkyloxy, hydroxy, CF 3 , CN, NO 2 , or halogen; R 7 is C 1 -C 4 -alkyl, C 1 -C 4 -alkyloxy, C 1 -C 4 -alkylene-halogen, halogen-C 1 -C 4 -alkyloxy, C 1 -C 4 -alkylene-OH, CF 3 , —C 1 -C 4 -alkylene-C 1 -C 4 -alkyloxy, —O—COC 1 -C 4 -alkyl, —O—COC 1 -C 4 -alkyl-halogen, —O—COCF 3 , or halogen.