Patent ID: 7015228

Claim:
A method for the antimicrobial treatment, deodorisation and disinfection of the skin, mucosa and hair, which comprises applying an antimicrobially effective amount of a compound of the formula (1) thereto wherein R 1 and R 2 are each independently of the other hydrogen; unsubstituted or mono- or poly-halo-substituted C 1 –C 20 alkyl, C 1 –C 20 alkoxy, C 2 –C 20 alkenyl, C 2 –C 20 alkynyl, C 3 –C 18 cycloalkyl, C 3 –C 7 cycloalkyl-C 1 –C 20 alkyl; hydroxy; C 1 –C 6 alkoxy-C 1 –C 20 alkyl; carboxy; C 1 –C 6 alkyloxycarbonyl; cyano; mono- or di-C 1 –C 20 alkylamino; C 1 –C 6 alkylamino-C 1 –C 20 alkyl; halogen; phenyl; unsubstituted or C 1 –C 5 alkyl-, halo- or hydroxy-substituted phenyl-C 1 –C 20 alkyl, phenoxy or phenyl-C 1 –C 20 alkoxy; or R 1 and R 2 form a polymethylene chain of formula —(CH 2 ) m — wherein m=2–12; R 3 is unsubstituted C 7 –C 20 alkyl; or amino-substituted C 2 –C 20 alkyl or R 7 R 8 N—C 7 –C 20 alkyl; R 4 is hydrogen; unsubstituted or C 1 –C 5 alkyl-, halo- or hydroxy-substituted C 1 –C 20 alkyl, C 2 –C 20 alkenyl, C 2 –C 20 alkynyl, C 3 –C 20 cycloalkyl, C 3 –C 7 cycloalkyl-C 1 –C 20 alkyl, C 1 –C 20 alkoxy-C 1 –C 6 alkyl or R 7 R 8 N—C 1 –C 20 alkyl, phenyl, phenyl-C 1 –C 20 alkyl or phenoxy-C 1 –C 20 alkyl; R 5 and R 6 are hydrogen; and R 7 and R 8 are each independently of the other C 1 –C 20 alkyl; C 3 –C 20 alkenyl; C 3 –C 20 alkynyl; C 3 –C 7 cycloalkyl; C 3 –C 20 cycloalkyl-C 1 –C 4 alkyl; phenyl; or phenyl-C 1 –C 4 alkyl.