Ishihara Sangyo Kaisha, Ltd.

Hideshi Yoshimura

Rikuo Nasu

Toshio Nakajima

Terumasa Komyoji

Keiichiro Ito

Kazumi Suzuki

Takeshi Oshima

Tekeshi Ohshima

Novel imidazole compounds are disclosed, which are represented by the following general formula: ##STR1## wherein: R.sub.1 represents a cyano group or a --CSNHR.sub.5 group, wherein R.sub.5 represents a hydrogen atom, a C.sub.1-4 alkyl group, or a --COR.sub.6 group, wherein R.sub.6 represents a C.sub.1-4 alkyl group, a halogenated C.sub.1-4 alkyl group, or a phenyl group;

Imidazole compounds and biocidal composition comprising the same for

A biocidal composition containing, as active ingredients, at least one imidazole compound represented by formula (I): ##STR1## wherein R.sup.1 represents a phenyl group, a halogen-substituted phenyl group, an alkyl group, or a halogen-substituted alkyl group; and R.sup.2 represents a halogen atom, and at least one other specific compound. The combination of the compound represented by formula (I) and other specific compound can produce an unexpected effect in amount required and biocidal spectrum.

Biocidal composition

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Shiga, Japan

Hideshi Yoshimura