Abstract: Compounds of the formula: ##STR1## wherein R is a member selected from the group consisting of lower alkyls having from 2 to 4 carbon atoms; and chlorine and bromine. The compounds are useful as active ingredients in, e.g., insecticidal, acaricidal, nematicidal, fungicidal and expellant compositions.

Abstract: Novel 3(2H)-pyridazinone derivatives of the formula (I): ##STR1## wherein, X represents a halogen, an alkyl, a haloalkyl, a haloalkoxy atoms, NO.sub.2, an alkoxy or ##STR2## (wherein, R represents an alkyl); n is 1 to 4;A represents hydrogen, a halogen, an alkyl or an alkoxy;B represents CX.sub.1 (wherein, X.sub.1 represents H or a halogen) or N;R.sup.1 and R.sup.2 represent each independently H or an alkyl;E represents H, a halogen, an alkoxy or --OH; andQ represents: ##STR3## (wherein, Y represents a halogen, an alkyl, an alkoxy, a haloalkyl, a haloalkoxy, CN, ##STR4## (wherein, Z represents a halogen, an alkyl, an alkoxy or a haloalkyl atoms, and l is 0, 1 to 5, said Z being the same or different when l is 2 to 5); and m is 1 to 5, said Y being the same or different when n is 2 to 4. A process for preparation of said derivatives is also provided. These derivatives are useful as an active ingredient of insecticidal composition.

Abstract: A nitrogen-containing heterocyclic compound of the following formula: ##STR1## wherein D represents --N.dbd. or ##STR2## E represents .dbd.N--, ##STR3## G represents --N.dbd., ##STR4## with proviso that when G represents --N.dbd. or ##STR5## the bond of G and E is double bond; and G represents ##STR6## the bond thereof is a single bond, but the case that D represents ##STR7## E represents ##STR8## and G represents --N.dbd. is omitted (R.sup.1, R.sup.2, R.sup.9, R.sup.10, X, Y, A and Q are specified in the specification), as well as compositions for controlling and/or preventing pests and blights, said compositions containing one or two or more of said compounds as an active ingredient.

Abstract: Compounds of the following formula: ##STR1## wherein Z.sup.3 represents halogen atom, straight or branched chain alkyl group having 1 to 10 carbon atoms, alkoxy group having 1 to 10 carbon atoms, alkylcarbonyl having 2 to 10 carbon atoms, alkoxyalkyl group having 2 to 4 carbon atoms, ##STR2## W represents halogen atom, alkyl group having 1 to 4 carbon atoms, alkoxy group having 1 to 4 carbon atoms, haloalkyl group having 1 to 4 carbon atoms, or nitro group, m is 0 or an integer of 1 to 2, and when m is 2, W may be same or different, and compositions for controlling insects, acari and nemati which contain such compound.

Abstract: Novel 3(2H)-pyridazinone derivatives having the formula I: ##STR1## wherein, R is a straight or branched C.sub.2 to C.sub.6 alkyl, R.sup.1 and R.sup.2 are each independently hydrogen or a lower alkyl, R.sup.4 is a halogen, R.sup.3 is a halogen, an alkyl, a cycloalkyl, an alkoxy, a haloalkyl, a haloalkoxy, --CN, --NO.sub.2, a phenyl, a benzyloxy, a benzyl, a phenoxy, a phenylthio, a pyridyloxy, a quinoxalyloxy, a lower alkenyloxy, a lower alkylthio, a lower haloalkylthio, --Si(CH.sub.3).sub.3, --OH, --N(CH.sub.3).sub.2, --SCN, --COOCH.sub.3 or --OCH(CH.sub.3)COOC.sub.2 H.sub.5, and n is an integer of 1 to 5, said R.sup.3 being the same or different when n is an integer of 2 to 5. A process for preparation of said derivatives is also provided. These derivatives are useful as an active ingredient of insecticidal, acaricidal, nematicidal and/or fungicidal compositions for agricultural and horticultural uses as well as of expellent compositions for ticks parasitic on animals.

Abstract: Novel 3(2H)-pyridazinone derivatives having the general formula (I): ##STR1## wherein, R denotes a straight or branched C.sub.1 to C.sub.6 alkyl; A denotes a straight or branched C.sub.1 to C.sub.6 alkyl or a halogen; X denotes oxygen or sulfur atom; Q denotes a group; ##STR2## when A is a straight or branched C.sub.1 to C.sub.6 alkyl, and Q denotes a group: ##STR3## when A is a halogen atom; R.sup.1 and R.sup.2 denote each independently hydrogen, a lower alkyl, a lower haloalkyl, or 4-tert-butylphenyl; B denotes --CR.sup.6 .dbd.CR.sup.7 --, --CR.sup.6 R.sup.7 O--, or ##STR4## (wherein, R.sup.6 and R.sup.7 denote various specific organic radicals. A process for preparation of said derivatives is also provided. These derivatives are useful as an active ingredient of insecticidal, acaricidal, nematicidal and/or fungicidal compositions for agricultural and horticultural uses as well as of expellent compositions for ticks parasitic on animals.

Abstract: A 3(2H)-pyridazinone derivative of the general formula (I): ##STR1## wherein R is a straight or branched C.sub.2 -C.sub.6 alkyl,A is a straight or branched C.sub.1 -C.sub.6 alkyl or a halogen atom,X is --O-- or --S--,R.sup.1 and R.sup.2 are each independently hydrogen atom or C.sub.1 -C.sub.3 alkyl,B is --CH.dbd.CH--, --N.dbd.CH--, --N.dbd.N--, --S--, --O-- or ##STR2## wherein R.sup.3 is hydrogen or C.sub.1 -C.sub.3 alkyl, Y is a halogen atom, a straight or branched C.sub.1 -C.sub.6 alkyl, a C.sub.3 -C.sub.6 cycloalkyl or cycloalkoxy, and other substituents,n is 0 or an integer of 1 to 3, and when n is 2 or 3, Y may be same or different, with the proviso that when B is --CH.dbd.CH--, n is an integer of 1 to 3 and at least one of Y is --O--W, as this term is defined in the specification.A process for the preparation of said derivatives is also provided.

Abstract: Novel 5-substituted -3(2H)-pyridazinone derivatives and preparation thereof are provided.The derivatives have the formula: ##STR1## wherein, R denotes an alkyl, R.sup.1 and R.sup.2 denote each independently hydrogen or a lower alkyl, X denotes hydrogen, a lower alkyl, a halogen, a lower alkoxy, a lower haloalkyl, a lower haloalkoxy, a cycloalkyl, trimethylsilyl (-Si(CH.sub.3).sub.3), ##STR2## (wherein Y denotes hydrogen, a halogen, a lower alkyl, a lower alkoxy, a lower haloalkyl, a lower haloalkoxy or a cycloalkyl, and m is an integer of 1 to 5), n is an integer of 1 to 5, and Z denotes a halogen; said X being the same or different when n is 2 or more, and the alkyls and the alkyl moieties contained in the groups being straight or branched.

Abstract: Pyrazoline derivatives useful as insecticides having the formula ##STR1## wherein X represents a hydrogen atom or a halogen atom; Y represents a halogen atom, a trifluoromethyl group or --A--R'; R represents a C.sub.1-10 alkyl group, a lower alkenyl group or a lower alkynyl group; and A represents an oxygen atom, a sulfur atom, a sulfinyl group or a sulfonyl group and R' represents a halogen-substituted lower alkyl group.

Abstract: A motor-driven electric timer consists of a motor, a reduction gear assembly for reducing a rotational speed from the motor to a predetermined speed, an externally actuatable slider having at one side wall thereof a rack, a clutch mechanism consisting of a pinion gear driven by the reduction gear assembly for driving the rack and a spring wire disengageably biasing the pinion gear for engagement with the rack, a switching lever member following a side wall of the slider, a contact member actuated by the switching lever member, and a flat-shaped housing enclosing the timer.

Abstract: Fluorine substituted pyridine methyl esters having the formula ##STR1## wherein R represents ##STR2## in which X is chlorine or difluoromethoxy; Y is chlorine or tert-butyl; and Z is a halogen atom, are novel compounds which are useful as insecticides and acaricides.

Abstract: Novel N-containing heterocyclic ring-substituted O-arylphosphate derivatives, the preparation thereof and insecticides acaricides and nematicides containing said derivatives are provided. The O-arylphosphate derivatives have the general formula: ##STR1## wherein A is --CH or nitrogen, X is hydrogen, a halogen or trifluoromethyl; Y is oxygen, S(O)n (wherein n is an integer of from 0 to 2) or NR.sup.2 (wherein R.sup.2 is hydrogen or a lower alkyl); Z is oxygen or sulfur; R and R.sup.1 independently are a lower alkoxy or lower alkylthiol; and B is hydrogen, a halogen or a lower alkyl. The O-arylphosphate derivatives have an excellent insecticidal acaricidal and nematocidal action.

Abstract: This invention relates to a heterocyclic ether or thioether linkage containing urea compounds of the following formula I: ##STR1## wherein B denotes an oxygen atom or a sulfur atom, A denotes CH or a nitrogen atom, X.sup.1 and X.sup.2 denote independently of each other hydrogen atom, halogen atom, trifluoromethyl group or nitro group, Y and Z denote independently of each other hydrogen atom or halogen atom, and P and Q denote independently of each other hydrogen atom, halogen atom, alkoxyl group or alkyl group, a process for producing the same and an insecticide containing the same.

Abstract: Phenylcyclopropane carboxylic acid derivatives having the formula ##STR1## wherein X represents hydrogen or a halogen atom, C.sub.1-5 alkyl group C.sub.1-5 alkoxy group, trifluoromethyl, cyclopropyl, tri-lower alkylsilyl, lower alkylthio or cyano group; Y represents hydrogen atom or cyano group; and R represents ##STR2## are novel compounds which are useful as insecticides and acaricides.

Abstract: Phenylcyclopropane carboxylic acid derivatives having the formula (I) ##STR1## wherein X represents a C.sub.2 -C.sub.10 straight or branched alkyl group, are novel compounds having excellent acaricidal effect.

Abstract: Insecticidal compounds having the formula ##STR1## wherein X and Y are the same or different and represent a hydrogen or a halogen atom, methyl group, a lower alkoxy group, trifluoromethyl group, phenoxy group or X and Y form ##STR2## group except both of X and Y are hydrogen atoms.