Abstract: According to the present invention, there are provided lithium titanate particles which exhibit an excellent initial discharge capacity and an enhanced high-efficiency discharge capacity retention rate as an active substance for non-aqueous electrolyte secondary batteries and a process for producing the lithium titanate particles, and Mg-containing lithium titanate particles.

Abstract: According to the present invention, there are provided lithium titanate particles which exhibit an excellent initial discharge capacity and an enhanced high-efficiency discharge capacity retention rate as an active substance for non-aqueous electrolyte secondary batteries and a process for producing the lithium titanate particles, and Mg-containing lithium titanate particles.

Abstract: According to the present invention, there are provided lithium titanate particles which exhibit an excellent initial discharge capacity and an enhanced high-efficiency discharge capacity retention rate as an active substance for non-aqueous electrolyte secondary batteries and a process for producing the lithium titanate particles, and Mg-containing lithium titanate particles.

Abstract: The present invention relates to a magnetic particle-containing water dispersion wherein the magnetic particles have a primary particle diameter of 5 to 15 nm and an average secondary particle diameter of 10 to 60 nm, and the water dispersion has a zeta potential of not more than ?20 mV when a pH value of the water dispersion lies within the range of 6 to 8, and further a surface of the respective magnetic particles is coated with a carboxyl group-containing polymer. The magnetic particle-containing water dispersion is produced by heating an aqueous solution in which the carboxyl group-containing polymer is dissolved, to a temperature of 90 to 100° C.

Abstract: The present invention relates to a magnetic particle-containing water dispersion wherein the magnetic particles have a primary particle diameter of 5 to 15 nm and an average secondary particle diameter of 10 to 60 nm, and the water dispersion has a zeta potential of not more than ?20 mV when a pH value of the water dispersion lies within the range of 6 to 8, and further a surface of the respective magnetic particles is coated with a carboxyl group-containing polymer. The magnetic particle-containing water dispersion is produced by heating an aqueous solution in which the carboxyl group-containing polymer is dissolved, to a temperature of 90 to 100° C.

Abstract: The present invention relates to a negative electrode active substance for non-aqueous electrolyte secondary batteries comprising composite particles comprising metal particles, and a thermosetting resin or a carbonized product of the thermosetting resin, the composite particles having an average particle diameter of 5 to 100 ?m; and a lithium ion secondary battery using the negative electrode active substance for non-aqueous electrolyte secondary batteries. The lithium ion secondary battery of the present invention is a non-aqueous electrolyte secondary battery that is prevented from suffering from volume expansion owing to occlusion of Li therein.

Abstract: According to the present invention, there are provided lithium titanate particles which exhibit an excellent initial discharge capacity and an enhanced high-efficiency discharge capacity retention rate as an active substance for non-aqueous electrolyte secondary batteries and a process for producing the lithium titanate particles, and Mg-containing lithium titanate particles. The present invention relates to lithium titanate particles with a spinel structure comprising TiO2 in an amount of not more than 1.

Abstract: The present invention relates to a magnetic particle-containing water dispersion wherein the magnetic particles have a primary particle diameter of 5 to 15 nm and an average secondary particle diameter of 10 to 60 nm, and the water dispersion has a zeta potential of not more than ?20 mV when a pH value of the water dispersion lies within the range of 6 to 8, and further a surface of the respective magnetic particles is coated with a carboxyl group-containing polymer. The magnetic particle-containing water dispersion is produced by heating an aqueous solution in which the carboxyl group-containing polymer is dissolved, to a temperature of 90 to 100° C.

Abstract: Iron composite particles for purifying soil or ground water, comprise ?-Fe and magnetite, and having a ratio of a diffraction intensity D110 of (110) plane of ?-Fe to a sum of a diffraction intensity D311 of (311) plane of magnetite and the diffraction intensity D110 (D110/(D311+D110)) of 0.30 to 0.95 as measured from X-ray diffraction spectrum of the iron composite particles, an Al content of 0.10 to 1.50% by weight and an S content of 3500 to 7000 ppm; a process for producing the iron composite particles; a purifying agent containing the iron composite particles; a process for producing the purifying agent; and a method for purifying soil or ground water.

Abstract: Iron composite particles for purifying soil or ground water, comprise ?-Fe and magnetite, and having a ratio of a diffraction intensity D110 of (110) plane of ?-Fe to a sum of a diffraction intensity D311 of (311) plane of magnetite and the diffraction intensity D110 (D110/(D311+D110)) of 0.30 to as measured from X-ray diffraction spectrum of the iron composite particles, an Al content of 0.10 to 1.50% by weight and an S content of 3500 to 7000 ppm; a process for producing the iron composite particles; a purifying agent containing the iron composite particles; a process for producing the purifying agent; and a method for purifying soil or ground water.

Abstract: A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising ?-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 ?m, an S content of 3500 to 10000 ppm and an Al content of 0.10 to 1.50% by weight, and polyaspartic acid or a salt thereof. The purifying agent is capable of decomposing aliphatic organohalogen compounds or aromatic organohalogen compounds contained in the soil or ground water in an efficient, continuous and economical manner.

Abstract: A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising ?-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 ?m, an S content of 3500 to 10000 ppm and an Al content of 0.10 to 1.50% by weight, and polyaspartic acid or a salt thereof. The purifying agent is capable of decomposing aliphatic organohalogen compounds or aromatic organohalogen compounds contained in the soil or ground water in an efficient, continuous and economical manner.

Abstract: Iron particles for purifying soil or ground water of the present invention comprise a mixed phase of ?-Fe phase and Fe3O4 phase, and having a BET specific surface area of 5 to 60 m2/g, an Fe content of not less than 75% by weight based on the weight of the iron particles and a sulfur content of not less than 1,000 ppm. The iron particles are capable of decomposing or insolubilizing harmful substances such as organohalogen compounds and/or heavy metals, cyanogen, etc. contained in the soil or ground water in efficient, continuous and economical manners.

Abstract: Iron particles for purifying soil or ground water of the present invention comprise a mixed phase of ?-Fe phase and Fe3O4 phase, and having a BET specific surface area of 5 to 60 m2/g, an Fe content of not less than 75% by weight based on the weight of the iron particles and a sulfur content of not less than 1,000 ppm. The iron particles are capable of decomposing or insolubilizing harmful substances such as organohalogen compounds and/or heavy metals, cyanogen, etc. contained in the soil or ground water in efficient, continuous and economical manners.

Abstract: Iron composite particles for purifying soil or ground water, comprise ?-Fe and magnetite, and having a ratio of a diffraction intensity D110 of (110) plane of ?-Fe to a sum of a diffraction intensity D311 of (311) plane of magnetite and the diffraction intensity D110 (D110/(D311+D110)) of 0.30 to 0.95 as measured from X-ray diffraction spectrum of the iron composite particles, an Al content of 0.10 to 1.50% by weight and an S content of 3500 to 7000 ppm; a process for producing the iron composite particles; a purifying agent containing the iron composite particles; a process for producing the purifying agent; and a method for purifying soil or ground water.

Abstract: A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising ?-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 ?m, an S content of 3500 to 10000 ppm and an Al content of 0.10 to 1.50% by weight, and polyaspartic acid or a salt thereof. The purifying agent is capable of decomposing aliphatic organohalogen compounds or aromatic organohalogen compounds contained in the soil or ground water in an efficient, continuous and economical manner.

Abstract: Iron composite particles for purifying soil or ground water, comprise an iron component, at least one noble metal selected from the group consisting of ruthenium, rhodium and palladium, and carbon or aluminum, and having a noble metal content of 0.01 to 5.00% by weight and a particle diameter of 0.01 to 1.0 ?m. The iron composite particles and the purifying agent according to the present invention are capable of decomposing aliphatic organohalogen compounds such as dichloromethane, carbon tetrachloride, 1,2-dichloroethane, 1,1-dichloroethylene, cis-1,2-dichloroethylene, 1,1,1-trichloroethane, 1,1,2-trichloroethane, trichloroethylene, tetrachloroethylene, 1,3-dichloropropene or the like, and aromatic organohalogen compounds such as dioxins, PCB (polychlorinated biphenyl) or the like, which are contained in soil, ground water or waste water, at ordinary temperature in an efficient and economical manner.

Abstract: A purifying agent for purifying soil or ground water of the present invention comprises a water suspension containing iron composite particles comprising ?-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 ?m, an S content of 3500 to 10000 ppm and an Al content of 0.10 to 1.50% by weight, and at least one additive selected from the group consisting of polymaleic acid, salts of polymaleic acid, sodium hydrogencarbonate and sodium sulfate. The purifying agent of the present invention is capable of decomposing aliphatic organohalogen compounds or aromatic organohalogen compounds contained in soil or ground water in an efficient, continuous and economical manner.

Abstract: Iron particles for purifying soil or ground water of the present invention comprise a mixed phase of ?-Fe phase and Fe3O4 phase, and having a BET specific surface area of 5 to 60 m2/g, an Fe content of not less than 75% by weight based on the weight of the iron particles and a sulfur content of not less than 1,000 ppm. The iron particles are capable of decomposing or insolubilizing harmful substances such as organohalogen compounds and/or heavy metals, cyanogen, etc. contained in the soil or ground water in efficient, continuous and economical manners.

Abstract: A master batch pellet comprises a thermoplastic resin and 2.0 to 60% by weight of a white combustion catalyst blended in the thermoplastic resin, the white combustion catalyst comprising composite particles obtained by carrying 0.001 to 0.10% by weight of metallic Pd colloid particles having an average particle diameter of not more than 10 nm on surface of respective inorganic carrier particles having an average particle diameter of 0.1 to 1.0 ?m and composed of at least one selected from the group consisting of aluminum oxide, silicon oxide, calcium carbonate and titanium oxide. The master batch pellet of the present invention is suitable for producing a thermoplastic resin composition exhibiting an excellent combustion-promoting effect, more specifically a thermoplastic resin composition which is promoted in complete combustion upon incineration thereof and effectively inhibited from generating harmful organic substances.