Sakai Chemical Industry Co., Ltd. Patent applications |
Patent application number | Title | Published |
20150224492 | COPPER-BASED CATALYST PRECURSOR, METHOD FOR MANUFACTURING SAME, AND HYDROGENATION METHOD - A copper-based catalyst precursor capable of achieving a high conversion ratio and high selectivity in the isomerization reaction of a β,γ-unsaturated alcohol portion and a method for producing the same and to provide a hydrogenation method in which the copper-based catalyst precursor is used are provided. Specifically, a copper-based catalyst precursor obtained by calcining a mixture containing copper, iron, aluminum, and calcium silicate in which an atomic ratio of iron and aluminum to copper [(Fe+Al)/Cu] is in a range of 1.71 to 2.5, an atomic ratio of aluminum to iron [Al/Fe] is in a range of 0.001 to 3.3, and calcium silicate is contained in a range of 15% by mass to 65% by mass at a temperature in a range of 500° C. to 1,000° C. and a hydrogenation method in which the copper-based catalyst precursor is used are provided. | 08-13-2015 |
20150050496 | SPHERICAL ZINC OXIDE PARTICLE CONSISTING OF INTEGRATED PLATE-LIKE PARTICLES, METHOD FOR PRODUCING THE SAME, COSMETIC, AND THERMAL CONDUCTIVE FILLER - It is an object of the present disclosure to provide spherical zinc oxide particles consisting of integrated plate-like particles which can be used as a cosmetic raw material, a thermal conductive filler and the like, and a method for production of the same. | 02-19-2015 |
20140327340 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC MEMBER PIEZOELECTRIC ELEMENT, AND PRESSURE SENSOR - The present invention has an object to provide a piezoelectric material that endures high temperatures, the resources of raw materials of which are abundant, and that is stably suppliable. Disclosed is a piezoelectric element, including: a piezoelectric member having a surface for receiving external stress and a side surface that is perpendicular to the surface for receiving external stress; and at least one pair of a first electrode and a second electrode that are placed on the side surface, the first electrode being provided so as to separate from the second electrode. The piezoelectric member is preferably cut out from a piezoelectric material that includes gehlenite (Ca | 11-06-2014 |
20140322286 | SURFACE TREATED ZINC OXIDE POWDER, ANTIBACTERIAL AGENT, AND ANTIBACTERIAL COMPOSITION - It is an object of the present disclosure to provide zinc oxide powders having an average particle diameter of 1.1 μm or more and having an antibacterial property, an antibacterial agent comprising the same, and an antibacterial composition containing the same. Surface treated zinc oxide powders which have an average particle diameter of 1.1 μm or more, and which are surface treated by using at least one compound selected from the group consisting of silicon oxide, silicone oil, organic silicon compounds, and organic titanium compounds. | 10-30-2014 |
20140315024 | METHOD FOR PRODUCING ALKALI METAL NIOBATE PARTICLES, AND ALKALI METAL NIOBATE PARTICLES - Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO | 10-23-2014 |
20140242128 | COMPOSITE POWDER AND METHOD FOR PRODUCING SAME - An object of the present invention is to provide a composite powder that is stable even if it is present in water for a long time. A composite powder, comprising: an inorganic powder; a first coating layer containing a water-repellent organic compound on the surface of the inorganic powder; and a second coating layer which contains at least one compound selected from the group consisting of silicon oxide, silicon oxide hydrate, aluminum oxide, and aluminum hydroxide, and which is formed on the first coating layer. | 08-28-2014 |
20140235753 | COATED MAGNESIUM OXIDE PARTICLES, METHOD FOR THE PRODUCTION THEREOF, HEAT-RELEASING FILLER, AND RESIN COMPOSITION - The object of the present disclosure is to obtain coated magnesium oxide particles suitably usable as a heat-releasing material in the electric/electronic field by improving acid resistance and water resistance. | 08-21-2014 |
20140212669 | ROUNDED ZINC PEROXIDE PARTICLES, ROUNDED ZINC OXIDE PARTICLES, METHOD FOR PRODCUTION THEREOF, COSMETIC AND HEAT RELEASING FILLER - An object of the present invention is to provide rounded zinc peroxide particles having a large particle diameter, the rounded zinc peroxide particles having excellent performance because they have an average particle diameter of 0.04 μm or more, a small aspect ratio and a shape close to a spherical shape; rounded zinc oxide particles which are obtained by calcinating the rounded zinc peroxide particles and which have a small aspect ratio and a sharp particle size distribution; a method for production thereof; and a cosmetic and a heat releasing filler each containing the rounded zinc oxide particles. Provided are rounded zinc peroxide particles having an average particle diameter of 0.04 μm or more and an aspect ratio of 2.0 or less, and rounded zinc oxide particles which are obtained by thermally decomposing the rounded zinc peroxide particles and which have an average particle diameter of 0.04 μm or more and an aspect ratio of 2.0 or less. | 07-31-2014 |
20140200292 | FLAME-RETARDANT AGENT AND FLAME-RETARDANT RESIN COMPOSITION - The present invention provides a composite flame retardant which can be produced without using any toxic metal such as antimony trioxide or any halogen such as bromine and chlorine and can exhibit excellent flame retardancy compared with magnesium hydroxide when added in a smaller amount; and a flame retardant resin composition having excellent flame retardancy and excellent physical properties. The present invention relates to a flame retardant including: (A) 100 parts by mass of a reaction product of piperazine with one phosphorus compound selected from phosphoric acid, pyrophosphoric acid, and polyphosphoric acid; (B) 10 to 1000 parts by mass of a reaction product of melamine with a polyacid selected from cyanuric acid, phosphoric acid, pyrophosphoric acid, and polyphosphoric acid; and (C) 0.1 to 100 parts by mass of a reaction product of calcium or magnesium with silicic acid. | 07-17-2014 |
20140199251 | DISPERSION - An object of the present invention is to obtain a dispersion in which a water-repellent inorganic powder is dispersed in water. The dispersion can be handled easily because the dispersion medium is water. In the case of using the dispersion for cosmetics, the dispersion can be suitably used when an inorganic powder subjected to a water-repellent treatment is mixed in an aqueous cosmetic. A dispersion in which an inorganic powder subjected to a water-repellent organic surface treatment is uniformly dispersed in water, wherein the contents of a water-repellent inorganic powder, a dispersant, and water is 80% by weight or more based on the total amount of the dispersion. | 07-17-2014 |
20140112862 | METHOD FOR PRODUCTION OF ZINC OXIDE PARTICLES - It is an object of the present invention to provide a new method for production of zinc oxide particles which can control the particle diameter and particle shape of obtained zinc oxide particles by selecting suitable conditions, and can prepare zinc oxide applicable to various applications. A method for production of zinc oxide particles, comprising a step of aging a zinc oxide raw material in an aqueous zinc salt solution. | 04-24-2014 |
20140103246 | METHOD FOR PRODUCING ALKALI METAL NIOBATE PARTICLES, AND ALKALI METAL NIOBATE PARTICLES - Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): Na | 04-17-2014 |
20140073758 | POLYCONDENSATION CATALYST FOR PRODUCING POLYESTER AND PRODUCTION OF POLYESTER USING THE POLYCONDENSATION CATALYST - The invention provides a polycondensation catalyst for producing polyester by an esterification reaction or a transesterification reaction between a dicarboxylic acid or an ester-forming derivative thereof and a glycol, wherein the polycondensation catalyst comprises particles of a solid base having on the surfaces an inner coating layer of titanic acid in an amount of from 0.1 to 50 parts by weight in terms of TiO | 03-13-2014 |
20140058029 | HEXAGONAL PRISM-SHAPED ZINC OXIDE PARTICLES, METHOD FOR PRODUCTION OF THE SAME, AND COSMETIC, HEAT RELEASING FILLER, HEAT RELEASING RESIN COMPOSITION, HEAT RELEASING GREASE, AND HEAT RELEASING COATING COMPOSITION COMPRISING THE SAME - It is an object of the present invention to provide hexagonal prism-shaped zinc oxide particles which have a specific particle diameter and a specific aspect ratio, and high ultraviolet blocking performance and transparency, and therefore can be suitably used as a cosmetic and a heat releasing material. Provided are hexagonal prism-shaped zinc oxide particles having a primary particle diameter of 0.1 μm or more and less than 0.5 μm and an aspect ratio of less than 2.5. | 02-27-2014 |
20140050925 | HEXAGONAL PLATE-SHAPED ZINC OXIDE PARTICLES, METHOD FOR PRODUCTION OF THE SAME, AND COSMETIC, HEAT RELEASING FILLER, HEAT RELEASING RESIN COMPOSITION, HEAT RELEASING GREASE, AND HEAT RELEASING COATING COMPOSITION COMPRISING THE SAME - An object of the present invention is to provide hexagonal plate-shaped zinc oxide particles which can be used as a cosmetic raw material, a heat releasing filler and the like, a method for production of the same, and a cosmetic, a heat releasing filler, a heat releasing resin composition, a heat releasing grease and a heat releasing coating composition each comprising the same. Provided are hexagonal plate-shaped zinc oxide particles having hexagonal-shaped surfaces, wherein the primary particle diameter is 0.01 μm or more and the aspect ratio is 2.5 or more, and 50% or more of 250 particles in a transmission electron microscope photograph satisfy both the requirements (1) the particle has a hexagonal-shaped surface; and (2) Dmin/Dmax≧0.3, where Dmax: a length of the largest diagonal line of three diagonal lines of the hexagonal-shaped surface of the hexagonal plate-shaped zinc oxide particle; and Dmin: a length of the smallest diagonal line of three diagonal lines of the hexagonal-shaped surface of the hexagonal plate-shaped zinc oxide particle. | 02-20-2014 |
20140044971 | ZINC OXIDE PARTICLES, METHOD FOR PRODUCTION OF THE SAME, AND COSMETIC, HEAT RELEASING FILLER, HEAT RELEASING RESIN COMPOSITION, HEAT RELEASING GREASE, AND HEAT RELEASING COATING COMPOSITION COMPRISING THE SAME - It is an object of the present invention to provide zinc oxide particles which have excellent ultraviolet blocking performance and also excellent dispersibility, and therefore can be suitably used as an ultraviolet blocking agent for cosmetics. Provided are zinc oxide particles having a primary particle diameter of less than 0.1 μm, an aspect ratio of less than 2.5 and an oil absorption/BET specific surface area of 1.5 ml/100 m | 02-13-2014 |
20130333592 | DISPERSION OF ZIRCONIUM OXIDE AND PROCESS FOR PRODUCING THE SAME - The invention provides a process for producing an aqueous dispersion of zirconium oxide that includes: reacting a zirconium salt with an alkali in water to obtain a slurry of particles of zirconium oxide; filtering, washing, and repulping the slurry; adding an organic acid to the resulting slurry in an amount of one mole part or more per mole part of the zirconium in the slurry; hydrothermally treating the resulting mixture at a temperature of 170° C. or higher; and washing the resulting aqueous dispersion of particles of zirconium oxide. | 12-19-2013 |
20130216834 | ZINC OXIDE PARTICLES AND COSMETIC - An object of the present invention is to provide large-sized zinc oxide particles that show, when incorporated to a cosmetic product, excellent properties including transparency, infrared reflection, and the like without deteriorating the feel; and also a cosmetic containing the same. | 08-22-2013 |
20130105737 | ZINC SULFIDE BLUE PHOSPHOR AND A METHOD FOR PRODUCING THE SAME | 05-02-2013 |
20130028948 | COMPOSITE PARTICLES AND METHOD FOR PRODUCTION THEREOF - Disclosed are titanium dioxide-containing composite particles which can maintain whiteness of natural titanium dioxide even after calcination step, and can provide titanium dioxide-containing composite particles having excellent weather resistance. In each of the composite particles, at least one oxide layer containing silicon oxide and zirconium oxide is provided as coating components of titanium dioxide. That is, provided are composite particles including a base that contains titanium dioxide and at least one oxide layer that contains silicon oxide and zirconium oxide provided on the base, and a method of producing the composite particles. | 01-31-2013 |
20120308824 | SILICA PARTICLES, PROCESS FOR PRODUCTION OF SAME, AND RESIN COMPOSITION CONTAINING SAME - The object of the present disclosure is to obtain silica particles having the sharp particle size distribution and low water-absorbing rate and being used suitably as a filler of a sealing resin composition, a method for producing it, and a resin composition containing the silica particles and a resin. | 12-06-2012 |
20120291670 | MAGNESIUM OXIDE PARTICLE, METHOD FOR PRODUCING IT, EXOERGIC FILLER, RESIN COMPOSITION, EXOERGIC GREASE AND EXOERGIC COATING COMPOSITION - The present disclosure provides a magnesium oxide particle that can be used more suitably than common magnesium oxide in the application such as an exoergic filler and the like. A magnesium oxide particle having (median size)/(specific surface diameter obtained from specific surface area) ratio of 3 or less and D90/D10 of 4 or less is provided. | 11-22-2012 |
20120190779 | (POLY) PIPERAZINE PYROPHOSPHATE POWDER AND MANUFACTURING METHOD THEREFOR - The present disclosure provides powdery (poly)piperazine pyrophosphate that is not accompanied by difficult-to-remove byproducts and is not tinged with a color that would adversely affect the coloring of the molded article. The present disclosure also provides a method of producing such powdery (poly)piperazine pyrophosphate in an efficient manner and with a high yield. The present disclosure relates to a method for providing powdery (poly)piperazine pyrophosphate, which includes the step of dehydration condensation of piperazine diphosphate to prepare (poly)piperazine pyrophosphate. The step is performed under an inert gas atmosphere, and thereby powdery (poly)piperazine pyrophosphate having a whiteness of 80 to 100 as a W value, and a yellowness of 0 to 5 as a YI value is produced. | 07-26-2012 |
20120157300 | TITANIUM OXIDE PHOTOCATALYST AND METHOD FOR PRODUCING THE SAME - A titanium oxide photocatalyst that is capable of improving a decomposition rate, and a method for producing the same are provided. The titanium oxide photocatalyst of the present invention is a titanium oxide photocatalyst containing at least an anatase-type titanium oxide and fluorine, wherein a content of the fluorine is 2.5 wt % to 3.5 wt %, and 90 wt % or more of the fluorine is chemically bonded to the anatase-type titanium oxide. | 06-21-2012 |
20120094126 | METHOD FOR PRODUCING ALKALI METAL NIOBATE PARTICLES, AND ALKALI METAL NIOBATE PARTICLES - Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): Na | 04-19-2012 |
20120064344 | METHOD FOR PRODUCING ALKALI METAL NIOBATE PARTICLES, AND ALKALI METAL NIOBATE PARTICLES - Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO | 03-15-2012 |
20120045381 | GENERALLY SPHERICAL BARIUM CARBONATE PARTICLES, AND METHOD FOR PRODUCING GENERALLY SPHERICAL BARIUM CARBONATE PARTICLES - The present invention has an object to provide a method for producing particulate barium carbonate having desired properties such as high purity, fineness, and has a spherical shape. The present invention relates to a method of producing substantially spherical barium carbonate, including (A) mixing, in an aqueous medium, a barium compound with at least one first ingredient selected from the group consisting of gluconic acid or salts thereof, gluconolactone, glucoheptonic acid or salts thereof, and glucoheptonolactone, to prepare a mixture; and (B) reacting the barium compound with carbon dioxide or a water-soluble carbonate in the mixture, to produce substantially spherical barium carbonate. | 02-23-2012 |
20110244236 | ZINC OXIDE PARTICLE, METHOD FOR PRODUCING IT, EXOERGIC FILLER, RESIN COMPOSITION, EXOERGIC GREASE AND EXOERGIC COATING COMPOSITION - The object of the present disclosure is to obtain zinc oxide particle having large particle diameter and being high-density and to obtain an exoergic resin composition, an exoergic grease and an exoergic coating composition than show an excellent exoergic property by using it. | 10-06-2011 |
20110142894 | DISPERSION CONTAINING ZINC OXIDE OR TITANIUM DIOXIDE - The present invention has an object to provide a high concentration dispersion of zinc oxide or titanium dioxide which is free of volatile silicones, as well as a cosmetic composition which gives little sticky feel after spreading on the skin. The present invention relates to a dispersion which contains: zinc oxide or titanium dioxide; an isoparaffin having the average polymerization degree of 3 to 10; and a polyether-modified silicone having an HLB value of 2 to 5, as a dispersant; the amount of the zinc oxide or titanium dioxide being not less than 60% by mass of the whole amount of the dispersion. | 06-16-2011 |
20110081550 | ZINC OXIDE PARTICLE, METHOD FOR PRODUCING IT, EXOERGIC FILLER, EXOERGIC RESIN COMPOSITION, EXOERGIC GREASE AND EXOERGIC COATING COMPOSITION - The object of the present disclosure is to obtain zinc oxide particle having large particle diameter and being high-density and to obtain an exoergic resin composition, an exoergic grease and an exoergic coating composition that show an excellent exoergic property by using it. | 04-07-2011 |
20110081548 | ZINC OXIDE PARTICLE, METHOD FOR PRODUCING IT, EXOERGIC FILLER, EXOERGIC RESIN COMPOSITION, EXOERGIC GREASE AND EXOERGIC COATING COMPOSITION - The object of the present disclosure is to obtain zinc oxide particle having large particle diameter and being high-density and to obtain an exoergic resin composition, an exoergic grease and an exoergic coating composition that show an excellent exoergic property by using it. | 04-07-2011 |
20110014469 | MAGNESIUM OXIDE PARTICLE, METHOD FOR PRODUCING IT, EXOERGIC FILLER, RESIN COMPOSITION, EXOERGIC GREASE AND EXOERGIC COATING COMPOSITION - The present disclosure provides a magnesium oxide particle that can be used more suitably than common magnesium oxide in the application such as an exoergic filler and the like. A magnesium oxide particle having (median size)/(specific surface diameter obtained from specific surface area) ratio of 3 or less and D90/1)10 of 4 or less is provided. | 01-20-2011 |
20110011309 | EXOERGIC FILLER COMPOSITION, RESIN COMPOSITION, EXOERGIC GREASE AND EXOERGIC COATING COMPOSITION - The present disclosure provides an exoergic filler composition which is able to exert superior exoergic property, and a resin composition, a grease, and a coating composition which having superior exoergic property, respectively, by using the above-mentioned exoergic filler composition. The exoergic filler composition contains 1 to 50 volume % of a needle-shaped zinc oxide having an average long diameter of 0.1 to 10 μm, an average short diameter of 0.025 to 2.5 μm, aspect ratio defined by (average long diameter)/(average short diameter) of 4 or more and specific surface area according to BET method of 50 m | 01-20-2011 |
20100326323 | SURFACE-MODIFIED TITANIUM DIOXIDE PARTICLE AND METHOD FOR PRODUCING THE SAME - The invention provides a surface-modified titanium dioxide particle inhibited in photocatalytic activity and reduced in amount of volatile water. The surface-modified titanium dioxide particle has on the surface a crystalline composite compound of at least one of alkaline earth metals selected from magnesium, calcium, barium and strontium complexed with titanium dioxide in an amount of 0.1-20% by weight based on the weight of the surface-modified titanium dioxide particle in terms of oxide of the alkaline earth metal. The surface-modified titanium dioxide particle is produced by heating a compound of an alkaline earth metal and a titanium dioxide particle at a temperature of 60° C. or higher so that the alkaline earth metal is complexed with titanium dioxide to form a crystalline composite compound on the surface of the titanium dioxide particle in an amount of 0.1-20% by weight based on the weight of the surface-modified titanium dioxide particle in terms of oxide of the alkaline earth metal. | 12-30-2010 |
20100166641 | TITANIUM DIOXIDE PIGMENT AND METHOD FOR PRODUCING THE SAME - The invention provides a titanium dioxide pigment particle inhibited in photocatalytic activity and reduced in amount of volatile water which has on the surface a composite compound of alkaline earth meta complexed with the titanium dioxide in an amount of 0.1-20% by weight based on the weight of the titanium dioxide pigment particle in terms of oxide of the alkaline earth metal, wherein the composite compound is obtained by heating a compound of at least one of alkaline earth metals selected from magnesium, calcium, barium and strontium and a titanium dioxide particle at a temperature of 60° C. or higher so that the alkaline earth metal is complexed with the titanium dioxide on the surface of the titanium dioxide pigment particle. | 07-01-2010 |
20100111817 | TITANIUM OXIDE PHOTOCATALYST AND METHOD FOR PRODUCING THE SAME - A titanium oxide photocatalyst that is capable of improving a decomposition rate, and a method for producing the same are provided. The titanium oxide photocatalyst of the present invention is a titanium oxide photocatalyst containing at least an anatase-type titanium oxide and fluorine, wherein a content of the fluorine is 2.5 wt % to 3.5 wt %, and 90 wt % or more of the fluorine is chemically bonded to the anatase-type titanium oxide. | 05-06-2010 |
20100104871 | ZINC OXIDE PARTICLE, METHOD FOR PRODUCING IT, EXOERGIC FILLER, RESIN COMPOSITION, EXOERGIC GREASE AND EXOERGIC COATING COMPOSITION - The present disclosure provides a zinc oxide particle that can be used more suitably than common zinc oxide in the application such as an exoergic filler and the like, and can be used in the other applications. A zinc oxide particle having a median size of 1 to 30 μm and D90/D10 of 4 or less is provided. | 04-29-2010 |
20100098780 | FLAKY PARTICLE AND COSMETIC - The present invention has an object to provide a flaky particulate material giving skin an excellent smoothness, which is free from whitening problem upon use thereof owing to its high transparency. The present invention also has another object to provide a cosmetic composition containing the flaky particulate material. The present invention relates to flaky particulate material, which has an average coefficient of friction is not more than 0.50, and a total light transmittance is not less than 85%. A particle in the flaky particulate material comprises a substrate particle made of one material selected from the group consisting of mica, a synthetic mica, sericite, talc, barium sulfate and aluminum oxide. The present invention provides a flaky particulate material that gives skin excellent smoothness, a natural tone, and a matt appearance. The flaky particulate material of the present invention gives a cosmetic composition which provides great comfort of use, and an excellent appearance. | 04-22-2010 |
20100065779 | Iodide single crystal, method for production the iodide single crystal, and scintillator comprising the iodide single crystal - An object of the invention is to provide an iodide single crystal material that provides a scintillator material for the next-generation TOF-PET, and a production process for high-quality iodide single crystal materials. | 03-18-2010 |
20080260624 | Process for Production of Composition - The invention provides a process for production of a composition comprising a perovskite structure compound, the process comprising: a first process to heat a hydrous oxide of at least one B group element selected from the group consisting of Ti, Zr, Hf, and Sn at a temperature within a range of 80 to 300° C. in the presence of an aqueous medium so as to dehydrate the hydrous oxide; and a second process to heat a reaction product obtained in the first process and a hydroxide of at least one A group element selected from the group consisting of Ba, Sr, Ca, Mg and Pb at a temperature within a range of 100 to 300° C. in the presence of an aqueous medium. | 10-23-2008 |