N-(trihalomethylthio)-carbamic acid oxime ester of the formula

IN WHICH R is alkyl; cycloalkyl; or aryl optionally carrying at least one halogen, nitro, C1-C6 alkyl, trifluoromethyl or C1-C6 alkoxy radical; R'' and R'''' each independently is alkyl or alkenyl optionally substituted by an alkoxycarbonyl or amidocarbonyl radical; cycloalkyl; aryl optionally carrying at least one halogen, cyano nitro, trifluoromethyl, C1-C6 alkyl or C1-C6 alkoxy radical; nitrile; halogen; alkoxycarbonyl; or amidocarbonyl; or R'' and R'''', conjointly with the carbon atom that links them, form a cycloalkylidene group with 5 or 6 carbon atoms optionally carrying at least one C1-C6 alkyl, C1-C6 alkylene or cycloalkyl radical; and n is 0, 1, 2 or 3, WHICH POSSESS FUNGICIDAL AND MICROBICIDAL PROPERTIES.