Abstract: A seed disinfectant composition comprising(A) (E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3- ol containing not less than 50% by weight of (-)-(E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-pente n-3-ol and(B) At least one benzimidazole thiophanate fungicide and optionally comprising(C) O,O-dimethyl-O-(2,6-dichloro-4-methylphenyl)phosphorothioate and/or(D) 1-Ethyl-1,4-dihydro-6,7-methylenedioxy-4-oxo-3-quinoline carboxylic acid or a salt thereof are disclosed. The seed disinfectant composition of the present invention exhibits a synergistically high preventing effect on various seed born diseases and simultaneously has a wide antifungal spectrum and shows a stable preventing effect on the fungi having resistance to conventional disinfectants.

Abstract: A substituted carboxylic acid derivative which is fungicidally active is provided. The compound has the formula: ##STR1## wherein R.sub.1 stands for a methyl or ethyl group, A stands for ##STR2## R.sub.2 stands for a methyl, ethyl or trifluoromethyl group, R.sub.3 stands for a methyl group or a halogen or hydrogen atom, R.sub.4 stands for a fluorine or hydrogen atom, R.sub.5 stands for a methyl, nitro or trifluoromethyl group or a halogen atom, Z stands for a .dbd.CH-- group or an N atom, R.sub.6 stands for a methyl, ethyl or trifluoromethyl group and R.sub.7 stands for an amino or methyl group or a chlorine atom.

Abstract: A heterocyclic compound of the formula: ##STR1## wherein A is an oxygen atom or a sulfur atom;B is either one of the groups: --CH.sub.2 --CHR.sup.1 -- or --CH.dbd.CR.sup.1 -- (in which R.sup.1 is a hydrogen atom or a methyl group);W is, the same or different, each a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group;X is either one of the following groups: ##STR2## (in which R.sup.2 is a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkoxy(lower)alkyl group, a hydroxyl group or a hydroxy(lower)alkyl group, R.sup.3 is a hydrogen atom or a lower alkyl group and n is an integer of 0 or 1);Z is, the same or different, each a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a halo(lower)alkyl group, a halo(lower)alkoxy group, a nitro group, a methylenedioxy group or a cyano group;p is an integer of 0 to 5; andq is an integer of 0 or 1, or its salt, which is useful as a fungicide.

Abstract: A seed disinfectant composition comprising effective amounts of:(A) (E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3- ol containing not less than 50% by weight of (-)-(E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-pente n-3 -ol and(B) a salt of 1,1'-iminodi(octamethylene)diguanidine as active ingredients, the weight ratio of (A)/(B) ranging from 1/1 to 1/1,000, and optionally an inert carrier. The seed disinfectant composition is effective on preventing seed born diseases.

Abstract: A fungicidal composition which comprises an inert carrier and as an active ingredient (E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3- ol and a benzimidazole-thiophanate type fungicide in the ratio of 1 to 0.1 to 10 by part by weight in a total amount of 0.1 to 99.9% by weight.

Abstract: A fungicidal composition containing as an active ingredient a mixture of (E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3- ol and a member selected from an N, N'-ethylenebis(dithiocarbamate) fungicide, tetrachloroisophthalonitrile, N-dichlorofluoromethylthio-N',N'-dimethyl-N-phenylsulfamide and an N-(3,5-dichlorophenyl)imide fungicide in the ratio of 1 to 0.5 - 20 by weight in a total amount of 0.1 to 99.9% by weight, and an inert carrier.

Abstract: A fungicidal composition which comprises an inert carrier and as an active ingredient (E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3- ol and an N-haloalkylthioimide fungicide in the ratio of 1 to 0.1-20 by weight in a total amount of 0.1 to 99.9% by weight.

Abstract: A process for producing styrene by dehydrogenation of ethylbenzene comprising feeding steam and ethylbenzene to three or more dehydrogenation reactors connected in series, an intermediate heater for heating the reaction mixture through heat exchange with steam being provided between each of said dehydrogenation reactors, said steam being first used as a medium to heat the respective intermediate heaters, and then mixed with ethylbenzene supplied as the feed to the first of said series of reactors, wherein 3 to 10 mols of steam are mixed with one mol of ethylbenzene and the temperature and pressure at the inlet of the final dehydrogenation reactor are 600.degree.-680.degree. C. and 0.4-0.8 Kg/cm.sup.2 (abs.), respectively, is disclosed.