Abstract: Provided are: a pigment through which light in a warm color region can pass preferentially and which has high hiding power and is mainly used in cosmetic applications; a method for producing the pigment; and a method for using the pigment. The pigment comprises particles each containing a calcium-titanium composite oxide as a main component, in which it is confirmed that regions each having a paler color than the color of a region surrounding thereof are scattered in a dot-like form in the particles when the particles of the calcium-titanium composite oxide in the pigment are observed in a transmission electron microscopic image at a magnification of 100,000×, and the true density of the pigment is 3500 kg/m3 to 3790 kg/m3, inclusive.

Abstract: The present invention provides a particulate cobalt ion adsorbent which has a high adsorption capacity. A particulate cobalt ion adsorbent which contains potassium hydrogen dititanate hydrate represented by chemical formula K2-XHxO.2TiO2.nH2O (wherein x is 0.5 or more and 1.3 or less, and n is greater than 0), and no binder, wherein the particulate cobalt ion adsorbent has a particle size range of 150 ?m or more and 1000 ?m or less.

Abstract: The pigment is composed of particles having a lattice constant a of 5.4700-5.5100 ? and containing a calcium-titanium composite oxide as a main component. The pigment selectively transmit light in a warm-color range, and can be used as an alternative material for titanium oxide. This pigment can be used for a cosmetic, for example.

Abstract: Provided is a charge-adjustment powder having an excellent ability to regulate a charging property on a surface of a target to be charge-adjusted within a certain range, and to maintain the applied charge. The charge-adjustment powder is formed with particles having titanium-niobium oxide on at least a part of a surface of a core, and the content of an alkali metal is set to be 20.0 mmol/kg or less based on the whole.

Abstract: Provided is a particulate alkaline earth metal ion adsorbent having a large adsorption capacity. The particulate alkaline earth metal ion adsorbent comprising: a potassium hydrogen dititanate hydrate represented by a chemical formula K2-xHxO·2TiO2·nH2O, wherein x is 0.5 or more and 1.3 or less, and n is greater than 0; and no binder, wherein the particulate alkaline earth metal ion adsorbent has a particle size range of 150 ?m or more and 1000 ?m or less.

Abstract: Provided are a cobalt ion adsorption material which has a large adsorption capacity and which tends not to generate fine powder, and a method for producing the same. This cobalt ion adsorption material is a powder with a particle diameter of 100-1,000 ?m, and contains 0.3-8.0 parts by mass of a binder constituted of a water-insoluble metal oxide or metal hydroxide fine particles with respect to 100 parts by mass of a cobalt adsorption main agent constituted of potassium hydrogen dititanate hydrate.

Abstract: The present invention provides a particulate cobalt ion adsorbent which has a high adsorption capacity. A particulate cobalt ion adsorbent which contains potassium hydrogen dititanate hydrate represented by chemical formula K2-XHxO.2TiO2.nH2O (wherein x is 0.5 or more and 1.3 or less, and n is greater than 0), and no binder, wherein the particulate cobalt ion adsorbent has a particle size range of 150 ?m or more and 1000 ?m or less.

Abstract: A powder which is composed of particles that are mainly composed of calcium titanate having a perovskite crystal structure, and primary particles of which have a generally spherical shape and an average particle diameter within the range of from 20 nm to 100 nm (inclusive). This powder is produced by a method which comprises: the production of calcium titanate by subjecting a mixed liquid that contains a sugar, an alkali, a water-soluble compound containing calcium, and a compound which is obtained by deflocculating a hydrolysis poroduct of a titanium compound with use of a monobasic acid to a high-pressure liquid-phase reaction that includes heating to a temperature of from 100° C. to 270° C. (inclusive),; and a subsequent calcium removal treatment.

Abstract: To solve the problem of providing a black iron oxide that can yield sufficient blackness, opacifying effect and covering ability even if it is only added in a small amount for use with cosmetic materials, the invention provides a black iron oxide with a high tinting strength having an octahedral shape, a specific surface in a range of 8.0 to 20.0 m2/g, and a particle surface coated with a layer containing one type or two or more types of inorganic compounds, wherein an L*value of a color on reduction is 31.0 or lower and a b*value of a color on reduction is 1.5 or lower, a production method thereof, and cosmetic materials that incorporate the same.

Abstract: To solve the problem of providing a black iron oxide that can yield sufficient blackness, opacifying effect and covering ability even if it is only added in a small amount for use with cosmetic materials, the invention provides a black iron oxide with a high tinting strength having an octahedral shape, a specific surface in a range of 8.0 to 20.0 m2/g, and a particle surface coated with a layer containing one type or two or more types of inorganic compounds, wherein an L* value of a colour on reduction is 31.0 or lower and a b* value of a colour on reduction is 1.5 or lower, a production method thereof, and cosmetic materials that incorporate the same.

Abstract: To solve the problem of providing a black iron oxide that can yield sufficient blackness, opacifying effect and covering ability even if it is only added in a small amount for use with cosmetic materials, the invention provides a black iron oxide with a high tinting strength having an octahedral shape, a specific surface in a range of 8.0 to 20.0 m2/g, and a particle surface coated with a layer containing one type or two or more types of inorganic compounds, wherein an L*value of a color on reduction is 31.0 or lower and a b*value of a color on reduction is 1.5 or lower, a production method thereof, and cosmetic materials that incorporate the same.

Abstract: An electrode active material comprising in major proportions a monoclinic titanium-niobium composite oxide represented by the formula TiNbxO(2+5x/2), wherein X is from 1.90 or more to less than 2.00.

Abstract: To solve the problem of providing a black iron oxide that can yield sufficient blackness, opacifying effect and covering ability even if it is only added in a small amount for use with cosmetic materials, the invention provides a black iron oxide with a high tinting strength having an octahedral shape, a specific surface in a range of 8.0 to 20.0 m2/g, and a particle surface coated with a layer containing one type or two or more types of inorganic compounds, wherein an L*value of a colour on reduction is 31.0 or lower and a b*value of a colour on reduction is 1.5 or lower, a production method thereof, and cosmetic materials that incorporate the same.

Abstract: An electrode active material comprising in major proportions a monoclinic titanium-niobium composite oxide represented by the formula TiNbxO(2+5x/2), wherein X is from 1.90 or more to less than 2.00.

Abstract: Fine powder of transparent conductive oxide composites is obtained by covering a surface of a rod-like rutile-type titanium oxide particle having a long axis diameter of 0.05 ?m or higher and 0.15 ?m or lower, a short axis diameter of 0.01 ?m or higher and lower than 0.03 ?m, and an axis ratio of 5 or higher, with a doped tin oxide using a wet method, wherein antimony is doped at 10 to 25 wt % as Sb against SnO2, at 1 to 2 wt %/m2 per a specific surface area of the substrate; and firing the substrate under an oxidizing atmosphere at a firing temperature of 400 to 700° C.

Abstract: A Rutile-type titanium dioxide having a rectangular particulate form configured such that major axial planes of rod-shaped particles having a minor axis diameter of 3 to 10 nm are oriented and aggregated in the minor axial direction, and a rod-shaped rutile-type titanium dioxide obtained by treating the rectangular rutile-type titanium dioxide with heat, wherein an apparent average major axial length of the oriented and aggregated particles is 100 to 400 nm, an apparent average minor axial length thereof is 30 to 150 nm, an apparent average axial ratio represented by apparent average major axial length/apparent average minor axial length is 2 to 5 and a specific surface area thereof is 10 to 100 m2/g.

Abstract: It is an object of the present invention to provide a transparent electroconductive tin oxide powder which has electroconductivity superior to that of conventional phosphorus-doped electroconductive tin oxide powders, undergoes less temporal change in air and gives coating films comprising the powder of the present invention a total light transmittance, haze and surface resistance that are superior to those of coating films comprising conventional phosphorus-doped electroconductive tin oxide powders. The fluorinated phosphorus-doped electroconductive tin oxide powder of the present invention is obtained by the steps of producing a phosphorus- and fluorine-containing tin hydroxide uniformly in an aqueous solution by addition of 0.5 to 5 parts by weight of phosphorus and 0.5 to 4.0 parts by weight of fluorine, based on 100 parts by weight of tin oxide, adsorbing a water-soluble polymer on the product, and then firing the product at a temperature of 400 to 700° C. under a reducing atmosphere.

Abstract: A Rutile-type titanium dioxide having a rectangular particulate form configured such that major axial planes of rod-shaped particles having a minor axis diameter of 3 to 10 nm are oriented and aggregated in the minor axial direction, and a rod-shaped rutile-type titanium dioxide obtained by treating the rectangular rutile-type titanium dioxide with heat, wherein an apparent average major axial length of the oriented and aggregated particles is 100 to 400 nm, an apparent average minor axial length thereof is 30 to 150 nm, an apparent average axial ratio represented by apparent average major axial length/apparent average minor axial length is 2 to 5 and a specific surface area thereof is 10 to 100 m2/g.

Abstract: The present invention provides a novel titanium-based composite oxide being usable as an electrode material for a lithium secondary battery and having a high capacity and an excellent cycle stability, a method for producing the same and a lithium secondary battery using the titanium-based composite oxide. Disclosed is a compound obtained by compositing titanium oxide with elements other than titanium, specifically a titanium-based composite oxide wherein the relevant chemical formula is Ti(1-x)MxOy, M is the element Nb or the element P, or a combination of these two elements in an optional ratio therebetween, x is such that 0<x<0.17, y is such that 1.8?y?2.1, x is the sum of Nb and P when M is a combination of the element Nb and the element P, and the present invention provides a lithium secondary battery using as an electrode the titanium-based composite oxide.

Abstract: For the purpose of increasing the electric capacity of lithium secondary batteries comprising titanium-based negative electrode materials, the present invention aims to produce a titanium oxide compound whose crystal structure, crystallite size, specific surface area and primary particle size are controlled, and to provide a lithium secondary battery comprising such a compound. The present invention produces a lithium secondary battery by using, as an electrode active material, a titanium oxide compound for use in an electrode, which is represented by TiO2.(H2O)a.(A2O)b (wherein A is Na or K, a is 0<a=1, and b is 0<b=0.1) and has a main peak at 2?=20° to 30° and a minor peak at 2?=45° to 55° in its X-ray diffraction pattern, wherein the crystallite size determined from the main peak ranges from 40 ? more to 500 ? or less.