Patent ID: 6846492

Claim:
A method for the antimicrobial treatment of a surface selected from skin, hair, mucosa, teeth, the mouth, plastics, paper, textile fiber materials, nonwovens, wood or leather, which comprises contacting said surface with an antimicrobially effective amount of a compound of the formula wherein R 1 , R 2 and R 3 are each independently of the others hydrogen; C 1 -C 20 alkyl; C 3 -C 12 cycloalkyl; C 2 -C 20 alkenyl; C 4 -C 12 cycloalkenyl; C 3 -C 20 alkynyl; C 4 -C 12 cycloalkynyl; or phenyl, phenyl-C 1 -C 5 alkyl, biphenyl, biphenyl-C 1 -C 5 alkyl, naphthyl-C 1 -C 5 alkyl, phenylcarbonyl-C 1 -C 5 alkyl, naphthylcarbonyl-C 1 -C 5 alkyl, pyrrolylalkyl, furanylalkyl, thiophenylalkyl, pyrazolylalkyl, imidazolylalkyl, oxazolylalkyl, thiazolylalkyl, isoxazolylalkyl, isothiazolylalkyl, 1,2,3-triazolylalkyl, 1,2,4-triazolylalkyl, 1,2,3-oxadiazolylalkyl, 1,3,4-oxadiazolylalkyl, 1,2,3-thiadiazolylalkyl, 1,3,4-thiadiazolylalkyl, indolylalkyl, pyridylalkyl, pyridazinylalkyl, pyrimidinylalkyl, pyridazinylalkyl, quinolinylalkyl, isoquinolinylalkyl, pyrrolyl, furanyl, thiophenyl, pyrazolyl, imidazolyl, oxazolyl, thiazolyl, isoxazolyl, isothiazolyl, 1,2,3-triazolyl, 1,2,4-triazolyl, 1,2,3-oxadiazolyl, 1,3,4-oxadiazolyl, 1,2,3-thiadiazolyl, 1,3,4-thiadiazolyl, indolyl, pyridyl, pyridazinyl, pyrimidinyl, pyridazinyl, quinolinyl or isoquinolinyl, each of which is unsubstituted or substituted by C 1 -C 5 alkyl, C 3 -C 12 cycloalkyl, C 1 -C 5 alkoxy, C 3 -C 12 cycloalkoxy, halo, oxo, carboxy, carboxy-C 1 -C 7 alkyl ester, carboxy-C 3 -C 12 cycloalkyl ester, cyano, trifluoromethyl, pentafluoroethyl, amino, N,N-mono- or di-C 1 -C 20 alkylamino or nitro; R 4 , R 5 , R 6 and R 7 are each independently of the others hydrogen; C 1 -C 20 alkyl; C 3 -C 12 cycloalkyl; C 2 -C 20 alkenyl; C 4 -C 12 cycloalkenyl; C 3 -C 20 alkynyl; or C 4 -C 12 cycloalkynyl; and n is 0 or 1; and m is 1.