Abstract: 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.

Abstract: 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.

Abstract: A composition for promoting dewatering of granulated slag which comprises the combination of an anionic polyether sulfate surfactant with a cationic nitrogen-containing surfactant and optionally a defoaming agent, and a process for promoting dewatering of granulated slag using such composition, which are useful for preparing granulated slag having a moisture content of 4% or less as a material for cement.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: This invention relates to a scale inhibiting agent which comprises as an essential ingredient a copolymer of an alkylolamide compound such as N-methylol acrylamide, N-hydroxyethyl acrylamide or the like and an alkenyl compound such as acrylic acid, acrylamide, ethyl acrylate or the like.

Abstract: An easily dispersible polymer composition which comprises a powder of a water soluble polymer having floculating property and a sodium sulfate hydrate, and optionally a magnesium sulfate hydrate and a hydroscopic agent and which shows a high degree of granularity and free-fluidity.

Abstract: There disclose stable and non-aqueous microbicidal compositions which are useful for controlling slime in pulp and paper manufacturing processes and industrial cooling water systems and which comprise 4,5-dichloro-1,2-dithiol-3-one as the active ingredient, and specific surfactants and hydrophilic organic solvents.

Abstract: There disclose stable and non-aqueous microbicidal compositions which are useful for controlling slime in pulp and paper manufacturing processes and industrial cooling water systems and which comprise 4,5-dichloro-1,2-dithiol-3-one as the active ingredient, and specific surfactants and hydrophilic organic solvents.

Abstract: New gel product for exterminating harmful marine organisms. Comprises (a) about 1 to 25% by weight of a natural high molecular weight compound capable of forming a gel in water, (b) about 5 to 30% by weight of an agent for exterminating harmful marine organisms, (c) about 1 to 25% by weight of at least one compound selected from the group consisting of a water soluble synthetic linear polymer, an inorganic substance, a surfactant, an organic solvent, a gel-modifier, and mixtures thereof, and (d) water.

Abstract: New economically valuable and convenient methods for preparing bromoacetic acid and its esters from chloroacetic acid are disclosed.

Abstract: The present invention relates to a method and apparatus for treating waste water on ships, and more particularly to a method and apparatus for treating waste water on ships in a closed system.