Patent ID: 7148380

Claim:
A method for treating and/or preventing a smooth muscle contraction related disease or condition, said method comprising conventionally administering by inhalation, orally, topically, parenterally, on mucous or skin tissues, subcutaneously, intramuscularly, intravenously, intraperitoneally or by topical tissue infiltration injection to a patient in need thereof a muscle relaxant as defined in formula II: R 1 C(═NOH)COR 2 (II) where R 1 and R 2 , identical or different, are each selected from the group consisting of C 1-8 linear or branched alkyl and cycloalkyl with the proviso that R 1 and R 2 are not both methyl group and that when R 1 is a methyl group, R 2 is not an ethyl or propyl group.