Bayer Aktiengesellschaft

Gunter Unterstenhofer

Ingeborg Hammann

Hellmut Hoffmann

Claus Stolzer

Bernhard Homeyer

O,S,N-tri-aliphatic hydrocarbon-thionothiolphosphoric acid ester amides of the general formula ##STR1## in which R, R.sup.1 and R.sup.2, which may be the same or different, each is an alkyl, alkenyl or alkynyl radical with up to 6 carbon atoms, optionally substituted with at least one halo, phenyl, cyano, alkoxy, alkylmercapto, phenylmercapto or naphthylmercapto radical, the mercapto radicals being optionally chloro- or cyano-substituted, Which possess nematocidal, insecticidal, acaridical, fungicidal and mammalian-repellent properties.

O,S,N-tri-aliphatic hydrocarbon-thionothiolphosphoric acid ester amides

S-(amidocarbonyl)-methyl-O-alkyl monothiophosphoric acid ester amides of the formula ##EQU1## in which R and R' each independently is alkyl of 1 to 6 carbon atoms,

S-(amidocarbonyl)-methyl-O-alkyl-monothiophosphoric acid ester amides

Pyrazolo-(thiono)-phosphoric(phosphonic) acid esters of the general formula ##SPC1## In which

Compositions and methods of combatting insects and acarids using

N-[N',N'-disubstituted-aminomethylidene]-(thiono)thiolphosphoric acid ester imides of the formula ##EQU1## in which R is alkyl with 1 to 6 carbon atoms,

N-[N',N'-disubstituted-aminomethylidene]-(thiono)thiol-phosphoric acid

N-[O-Alkyl-S-aliphatic-(thiono)-thiolphosphoryl]iminoformic acid alkyl esters of the general formula ##EQU1## in which R is alkyl with 1 to 6 carbon atoms,

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Opladen, Germany

Gunter Unterstenhofer