Abstract: O-?1-substituted-6-pyridazinon(3)yl!-thionoalkanephosphonic acid esters of the formula ##STR1## in which R.sub.1 and R.sub.2 each independently is alkyl with 1 to 7 carbon atoms,R.sub.3 is alkyl, cyanoalkyl, alkylcarbonylalkyl, carbalkoxyalkyl, hydroxyalkyl, alkylthioalkyl or halogenalkyl with 1 to 4 carbon atoms per alkyl radical, alkenyl or alkynyl with 3 to 5 carbon atoms, benzyl, benzyl carrying at least one substituent selected from halogen and alkyl with 1 to 3 carbon atoms, phenyl, phenyl carrying at least one substituent selected from nitro, halogen, alkyl with 1 to 3 carbon atoms and carbalkoxy with 1 to 4 carbon atoms, morpholinomethyl or piperidinomethyl,R.sub.4 and R.sub.5 each independently is hydrogen or alkyl with 1 to 3 carbon atoms, andX and Y each independently is oxygen or sulfur,Which possess insecticidal and acaricidal properties.

Abstract: In an insecticidal article comprising an insecticidally effective amount of at least one volatile phosphoric or thiophosphoric acid ester and a solid polyurethane carrier material, the improvement wherein said polyurethane is an elastomeric polyurethane, whereby the article retains its activity over a long period of time. The polyurethane is formed of a polyisocyanate and a mixture of a long chain polyol and a short chain polyol and/or polyamine.

Abstract: O,O-Dialkyl-5-halo-pyrimidin(2)yl-thionophosphoric acid esters of the formula ##STR1## in which R is methyl or ethyl andR' is halogen,Which possess insecticidal and acaricidal properties.

Abstract: O-Alkyl-O-[5-chloro-1,2,4-triazol(3)yl]-thiono(thiol)-phosphoric (phosphonic) acid esters and ester-amides of the formula ##STR1## in which R is alkyl with 1 to 6 carbon atoms,R.sub.1 is alkyl, alkoxy, alkylthio or monoalkylamino each with 1 to 6 carbon atoms, andR.sub.2 is alkylthioalkyl with 1 to 4 carbon atoms per alkyl radical, alkenyl with 2 to 5 carbon atoms, carbalkoxyalkyl with 1 to 4 carbon atoms per alkyl radical, 1-methyl-2-cyanoethyl, or phenoxyalkyl with 1 to 4 carbon atoms in the alkyl radical and optionally substituted on the phenyl radical by at least one of halogen, cyano, or alkylthio or alkyl each with 1 to 4 carbon atoms,Which possess arthropodicidal and nematicidal properties.

Abstract: O-Alkyl-O-(2-carbalkoxy-2-alkoxy-vinyl)-(thiono)(thiol) phosphoric (phosphonic) acid esters of the formula ##STR1## in which R, R.sub.2 and R.sub.3 each independently is alkyl with 1 to 6 carbon atoms,R.sub.1 is alkyl with 1 to 4 carbon atoms, alkylthio with 1 to 6 carbon atoms, or phenyl, andX is oxygen or sulfur,Which possess insecticidal, acaricidal and nematicidal properties.

Abstract: O-Alkyl-O-(1-carbalkoxy-2-tert.-pentyryl-vinyl)-(thiono) (thiol) phosphoric (phosphonic) acid esters and esteramides of the formula ##STR1## in which R and R.sub.2 each independently is alkyl with 1 to 6 carbon atoms,R.sub.1 is phenyl, or alkyl, alkoxy, alkylthio or alkylamino each with 1 to 6 carbon atoms, andX is oxygen or sulfur,Which possess insecticidal and acaricidal properties.

Abstract: Pyrimidine (4,6)diyl-bis-(thiono)(thiol)-phosphoric (phosphonic) acid esters of the formula ##STR1## in which R is alkyl with 1 to 6 carbon atoms,R.sub.1 is alkyl, alkoxy or alkylmercapto each with 1 to 6 carbon atoms or phenyl,R.sub.2 is alkyl, alkoxy or alkylmercapto each with 1 to 5 carbon atoms, hydrogen or phenyl,R.sub.3 is hydrogen, alkyl with 1 to 4 carbon atoms or halogen, andX is oxygen or sulfur,Which possess insecticidal and acaricidal properties.

Abstract: O,O-Diethyl-O-[N-methoxy-2-nitrobenzimidoyl]-thiono-phosphoric acid ester of the formula ##STR1## which possesses insecticidal and acaricidal properties.

Abstract: O,O-Dialkyl-O-(1-phenyl-2-carbalkoxyvinyl)-thionophosphoric acid esters of the formula ##STR1## in which R, R.sub.3 and R.sub.4 each independently is alkyl with 1 to 6 carbon atoms,R.sub.1 is hydrogen or methyl,R.sub.2 is alkyl, alkoxy or alkylthio each with 1 to 4 carbon atoms, cyano, halogen or phenyl, andn is 1, 2, 3, 4 or 5,Which possess insecticidal and acaricidal properties.

Abstract: 1-Triorgano-stannyl-3-substituted-2,4-dioxo-1,2,3,4-tetrahydro-s-triazino-[ 1,2-a]-benzimidazoles of the formula ##STR1## in which R.sup.1 is alkyl or cycloalkyl with 4 to 8 carbon atoms, or phenyl, andR.sup.2 is alkyl with 1 to 18 carbon atoms optionally substituted by chlorine, CN, alkoxycarbonyl with 1 to 5 carbon atoms in the alkoxy moiety, alkenoxycarbonyl with up to 5 carbon atoms in the alkenoxy moiety, alkylaminocarbonyl with 1 to 5 carbon atoms in the alkylamino moiety, phenyl, N-morpholino or dialkylamino with 1 to 6 carbon atoms per alkyl group; dialkylamino with 1 to 6 carbon atoms per alkyl group; phenyl or cyclohexyl.R.sup.4 is hydrogen or alkyl with 1 to 4 carbon atoms, which possesses insecticidal, acaricidal and fungicidal properties.

Abstract: O-Alkyl-O-pyrimidin(2)yl-thionophosphonic acid esters of the formula ##STR1## in which R is alkyl with 1 to 6 carbon atoms,R' is alkyl with 1 to 6 carbon atoms or phenyl,R" and R.sup.IV each independently is hydrogen or alkyl with 1 to 4 carbon atoms, andR'" is halogen or hydrogen.Which possess insecticidal, acaricidal and nematocidal properties.

Abstract: N-carboxylated N-methylcarbamic acid aryl esters of the general formula ##EQU1## in which Ar is phenyl, naphthyl, dihydrobenzofuranyl or indanyl optionally substituted by alkyl, alkenyl, alkynyl, alkoxy, alkenoxy, alkynoxy, alkylmercapto, alkenylmercapto, alkynylmercapto, dialkylamino, trihalomethyl, halogen, nitro, cyano, cycloalkyl, formamidino, dioxolanyl, dioxanyl or dialkoxymethyl, andR is OAr or optionally substituted alkoxy, alkenoxy, alkynoxy, cycloalkyloxy, amino, alkylmercapto or arylmercapto,Which possess insecticidal and acaricidal properties.

Abstract: O-Alkyl-S-[2-(1',1',2'-trifluoro-2'-chloroethylmercapto)-ethyl](thiono)(di) thiolphosphoric (phosphonic) acid esters and ester-amides of the formula ##STR1## in which R is alkyl with 1 to 6 carbon atoms,R' is alkyl, alkoxy, alkylmercapto or alkylamino with 1 to 6 carbon atoms in each alkyl moiety, amino or phenyl, andX is oxygen or sulfur,Which possess arthropodicidal and nematicidal properties.

Abstract: N-methyl-N-(3-trifluoromethylphenylsulfenyl)-carbonyloxime-carbamates of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is hydrogen, alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkoxycarbonyl, aminocarbonyl or alkylthioalkyl, or together are ##STR2## R.sub.3 is hydrogen or halogen, R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl, andX is oxygen or sulfur,Which possess insecticidal, acaricidal, nematicidal, fungicidal and bactericidal properties.

Abstract: N-Dithiophosphoryl-carbamic acid esters of the formula ##STR1## in which R and R' each independently is alkyl with 1 to 6 carbon atoms, andR" is alkyl with 1 to 6 carbon atoms, halogenoalkyl with 1 to 4 carbon atoms or dialkylaminoalkyl with 1 to 4 carbon atoms in each alkyl moiety,Which possess insecticidal and acaricidal properties.

Abstract: S-(alkoxycarbonyl)-alkyl-thiophosphoric acid ester amides of the general formula ##EQU1## in which R, R' and R" each independently is alkyl of 1 to 10 carbon atoms or lower alkenyl,Y is hydrogen or lower alkyl,Y' is hydrogen, lower alkyl or --CH.sub.2 --CO--OR", andX is oxygen or sulfur,Which possess insecticidal and acaricidal properties.

Abstract: N-sulfenylated 2,3-dihydrobenzofuranyl-7-N-methylcarbamates of the formula ##EQU1## in which R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl,R.sup.2 is C.sub.1 -C.sub.6 alkyl, andR.sup.3 is phenyl; phenyl substituted by at least one of halogen, C.sub.1 -C.sub.6 alkyl and trihalogenomethyl; methoxycarbonyl; or the radical ##EQU2## wherein R.sup.4 is alkylamino, dialkylamino, phenyl, or phenyl substituted by at least one of halogen, C.sub.1 -C.sub.6 alkyl or trihalogenomethyl,Which possess insecticidal and acaricidal properties.

Abstract: O-[3-methyl-1,2,4-triazole-(2,3-b)-thiazol(6)yl]-(thiono)-phosphoric(phosph onic) acid esters of the formula ##EQU1## in which R is alkyl with 1 to 6 carbon atoms,R' is alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 6 carbon atoms or phenyl,R" is amino, monoalkylamino or dialkylamino with 1 to 4 carbon atoms in each alkyl moiety or alkoxy with 1 to 6 carbon atoms, andX is oxygen or sulfur,Which possess insecticidal and acaricidal properties.

Abstract: Substituted S-carboxymethyl-(thiono)-(di)-thiolphosphoric(phosphonic) acid esters and ester-amides of the formula ##EQU1## in which R.sub.1 is phenyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylmercapto, C.sub.1 -C.sub.5 alkyl, alkoxyalkoxy with 1 to 5 carbon atoms in each alkyl moiety, C.sub.1 -C.sub.5 alkylamino or C.sub.2 -C.sub.5 alkenylamino,R.sub.2 is C.sub.1 -C.sub.6 alkyl, alkoxyalkyl with 1 to 5 carbon atoms in each alkyl moiety or C.sub.5 -C.sub.7 cycloalkyl,R.sub.3 is phenyl; cyclohexyl; C.sub.1 -C.sub.7 alkyl; C.sub.1 -C.sub.5 halogenoalkyl; or carbalkoxymethyl, aralkyl or alkoxyalkyl with 1 to 5 carbon atoms in each alkyl moiety,R.sub.4 is C.sub.1 -C.sub.5 alkyl, phenyl or phenyl substituted by at least one of halogen, nitrile, nitro, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy, andX is oxygen or sulfur,Which possess insecticidal properties.

Abstract: Benzisoxazolo(thiono)phosphoric(phosphonic) acid esters of the general formula ##SPC1##In whichX is oxygen or sulfur,R is an alkyl radical with 1-6 carbon atoms,R.sub.1 is an alkyl or alkoxy radical with 1-6 carbon atoms,Y is an alkyl, alkoxy, alkylmercapto or nitro radical, andY.sub.1 is a hydrogen, alkyl, alkoxy, alkylmercapto or nitro radical or, when Y is an alkyl radical, a chlorine atom, which possess insecticidal, acaricidal, nematocidal, fungicidal and tickicidal properties.A representative compound of O,O-dimethyl-0-[7-methylbenzisoxazol(3)yl]-thionophosphoric acid ester.