Katayama Chemical Works Co., Ltd.

Katayama Chemical, Inc.

Yoshitomi Pharmaceutical Industries, Ltd.

Buckman Laboratories International, Inc.

Daicel Corporation

Yoshitomi-pharmaceutical Ind., Ltd.

Katayama Chemical Works Co., Ktd.

Katayama Chemical Works Ltd.

Sakae Katayama

Yosuke Ito

Osamu Umekawa

Atsushi Tsuda

Kenzi Hanno

Sadaoki Kanada

Yasuhiro Nomura

Hidenori Hirashima

Yoshinari Kawasaki

Tadahiko Asano

Masato Magami

Yasuhiro Sakaguchi

Toshio Sato

Katsuji Tsuji

Masatsune Okuma

Yoichi Sano

Toru Yasunaga

Kazuo Marugame

Katsumi Kojima

Kunio Nishmura

Toshihiko Mukai

Hirohiko Katayama

Keisyo Nakanishi

Michitake Kamata

An aqueous isothiazolone formulation useful for antiseptic or antifungal treatment of various synthetic polymeric emulsions, which comprises (a) a specific isothiazolone compound, (b) water or an aqueous solvent and (c) a specific nitrobromo or cyanobromo compound.

Aqueous isothiazolone formulation

Novel protein partial degradation products obtainable from grain proteins such as wheat protein, maize protein, soya bean protein, etc., by specific degradation treatments, which are useful as a quality-improving agent for various food stuffs, a surface active agent, a dispersing agent for particles, etc.

Protein partial degradation products

Protein partial degradation products that are useful as surface active

Protein partial degradation product, process for preparing it and its use

A microbicidal/microbistatic synergistic composition for industrial use comprising a specific nitrobromopropane derivative and 4,5-dichloro-1,2-dithiol-3-one and an industrial method of killing or inhibiting the growth of microorganisms using the same compounds, which are useful of microbicidal/microbistatic treatment in various industrial media.

Microbicidal/microbiostatic composition for industrial use

A water-soluble antiseptic or antifungal composition containing 2-(thiocyanomethylthio)benzothiazole as the active ingredient, a polyoxyalkylene styrylphenyl ether phosphoric acid ester, or alkali metal salt thereof as a surfactant and an organic solvent. The composition forms a clear solution which is stable for long periods of time and which can be diluted with water.

Water-soluble antiseptic or antifungal composition

A microbicidal/microbistatic synergistic composition for industrial use comprising a specific nitrobromopropane derivative and 2,2-dibromo-3-nitrilopropionamide and an industrial method of killing or inhibiting the growth of microorganisms using the same compounds, which are useful for microbicidal/microbistatic treatment in various industrial media.

Microbicidal/microbistatic composition

A method of anticorrosive treatment for soft water boilers to prevent iron family metals from corrosion, especially from pitting corrosion, which is characterized by adding, to a boiler water system using soft water at a high temperature, (a) a specific amount of a phosphorus compound, (b) a specific amount of a carboxylic acid compound and (c) a specific amount of a metal compound.

Method of anticorrosive treatment for soft water boilers

A composition comprising 2-(thiocyanomethylthio)benzothiazole and 3-iodo-2-propinyl-N-butylcarbamate. The composition can be useful as a microbicidal preservative to prevent deterioration of raw materials such as dyes, pastes, lumber, leather, textiles and pulp caused by microorganisms.

Microbicidal preservative composition

A composition comprising a quaternary ammonium compound and 2-(thiocyanomethylthio)benzothiazole. The composition can be useful as a microbicide and preservative for preventing the deterioration of various types of industrial raw materials and products by inhibiting the growth of microorganisms.

Quaternary ammonium and benzothiazole microbicidal preservative

A scale inhibitor containing as its active component a copolymer comprising acrylic acid, methacrylic acid and a C.sub.1-8 alkyl ester of (meth)acrylic acid, the copolymer being

Scale inhibitor

This invention relates to microbicidal/microbistatic compositions for industrial use which comprise 4,5-dichloro-1,2-dithiol-3-one and a haloacetic acid ester and an industrial method of killing and/or inhibiting microbes by using the aforementioned compositions.

Microbicidal/microbistatic compositions for industrial use employing

This invention relates to microbicidal/microbistatic compositions for industrial use which comprise 4,5-dichloro-1,2-dithiol-3-one and an alkylenebisthiocyanate and a method of killing and/or inhibiting the growth of microbes by using the aforementioned compositions.

Microbicidal/microbistatic compositions and use thereof employing

A corrosion inhibitor for ferrous metals comprising four different components of (a) an inorganic acid component (such as molybdate or tungstate), (b) an aliphatic hydroxycarboxylic or aliphatic dicarboxylic acid or its salt (such as citric acid, gluconic acid or succinic acid), (c) an inorganic heavy metal compound (such as zinc chloride or stannous chloride) and (d) a water soluble polymer component having a molecular weight of 500-100,000 (such as acylic homo or copolymer), which is especially advantageous for use in water recycling system.

Corrosion inhibitor

A microbicidal/microbistatic compositions for industrial use, which comprises 4,5-dichloro-1,2-dithiol-3-one and 1,2-benzisothiazolin-3-one, and a method of killing or inhibiting the growth of microbes, which comprises adding 4,5-dichloro-1,2-dithiol-3-one and 1,2-benzisothiazolin-3-one simultaneously or at intervals to a system to be controlled microbicidally/microbistatically.

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Osaka, Japan

Sakae Katayama