Kitakyūshū, Japan
Kitakyūshū, Japan

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Patent
Kabushiki Kaisha Shofu and Jgc Catalysts And Chemicals Ltd. | Date: 2016-09-16

The present invention provides a dental curable composition used for dental filling restorative materials, dental crown prosthesis materials such as inlays, crowns, and bridges, materials for constructing anchor teeth, block materials for dental CAD/CAM, etc. More specifically, the present invention provides a dental curable composition comprising a curable resin (A), a porous inorganic filler (B), and a polymerization initiator (C), wherein the porous inorganic filler (B) comprises a silicon dioxide, and an oxide comprising at least one kind of the other metallic elements, and a ratio (I_(1)/I_(2)) of a maximum absorbance (I_(1)) of 3730 to 3750 cm^(1 )to a maximum absorbance (I_(2)) of 3000 to 3600 cm^(1 )in infrared absorption spectrum of the porous inorganic filler (B), is not less than 2 and not more than 3.


Patent
Kabushiki Kaisha Shofu, JGC Catalysts and Chemicals Ltd. | Date: 2017-03-22

The present invention provides a dental curable composition used for dental filling restorative materials, dental crown prosthesis materials such as inlays, crowns, and bridges, materials for constructing anchor teeth, block materials for dental CAD/CAM, etc. More specifically, the present invention provides a dental curable composition comprising a curable resin (A), a porous inorganic filler (B), and a polymerization initiator (C), wherein the porous inorganic filler (B) comprises a silicon dioxide, and an oxide comprising at least one kind of the other metallic elements, and a ratio (I_(1)/I_(2)) of a maximum absorbance (I_(1)) of 3730 to 3750 cm^(-1) to a maximum absorbance (I_(2)) of 3000 to 3600 cm^(-1) in infrared absorption spectrum of the porous inorganic filler (B), is not less than 1 and not more than 3.


Patent
Saudi Aramco, Jgc Catalysts And Chemicals Ltd. and Japan Atomic Energy Agency | Date: 2016-05-03

The invention relates to a method for optimizing layered catalytic processes. This is accomplished by testing various catalysts with a compound found in a feedstock to be tested, to determine the facility of the catalyst in hydrogenating, hydrosulfurizing, or hydrodenitrogenating the molecule, and hence the feedstock. in a preferred embodiment, the Double Bond Equivalence of the feedstock and molecule are determined, and catalysts are pre-selected based upon their known ability to work with materials of this DBE value.


Patent
Saudi Aramco, Japan Cooperation Center, JGC Catalysts and Chemicals Ltd. | Date: 2015-05-22

The present invention relates to a catalyst for fluidized catalytic cracking of hydrocarbon oil containing a framework-substituted zeolite-1 in which zirconium atoms and/or hafnium atoms form a part of a framework of an ultra-stable Y-type zeolite.


Patent
Jgc Catalysts And Chemicals Ltd. | Date: 2015-03-12

A multi-functional composite poser having the properties of (a) excellent adhesiveness, (b) excellent extendability, (c) an appropriate glossy effect, (d) appropriate covering capability, and (e) excellent soft-focusing capability. The powder is constituted by a scale-like base material, a group of particles including titanium dioxide particles deposited on a part of a surface of the scale-like base material, and a thin film of a composite oxide containing titanium and iron coating part of the surface of the scale-like base material.


Patent
Jgc Catalysts And Chemicals Ltd. | Date: 2015-01-28

A method of producing silica-based particles includes, when a dispersion liquid of composite oxide particles is prepared by simultaneously adding an aqueous silicate solution and/or an acidic silicic acid solution and an aqueous solution of an alkali-soluble inorganic compound in an alkali aqueous solution or in an alkali aqueous solution with seed particles dispersed therein, if required, the aqueous silicate solution and/or the acidic silicic acid solution and the aqueous solution of alkali-soluble inorganic compound are added so that the molar ratio of MO_(x)/SiO_(2 )are in a range from 0.01 to 2, herein MO_(x )denoting an inorganic oxide other than silica and SiO_(2 )denoting silica to prepare the dispersion liquid of composite oxide particles with an average diameter (D_(p1)) in a range from 3 to 300 nm.


Patent
JGC Catalysts and Chemicals Ltd. | Date: 2015-11-20

Provided is a non-spherical silica sol containing non-spherical silica fine particles dispersed in a dispersion medium, the non-spherical silica fine particles having an average particle diameter in a range of 3 to 150 nm as measured by dynamic light scattering, a minor-diameter/major-diameter ratio in a range of 0.01 to 0.8, and a specific surface area in a range of 10 to 800 m^(2)/g, and also having a plurality of wart-like projections on the surfaces thereof, and a process for producing the non-spherical silica sol. The non-spherical silica fine particles contained in the non-spherical silica sol have a unique structure different from the structure of ordinary non-spherical silica fine particles.


Patent
Jgc Catalysts And Chemicals Ltd. | Date: 2015-05-01

An aluminum phosphate-modified metal-supported crystalline silicoaluminophosphate NOx-reducing catalyst includes metal-supported crystalline silicoaluminophosphate particles having a surface modified with aluminum phosphate.


Disclosed are porous silica-based particles having high surface smoothness, a method for producing the porous silica-based particles, and a cosmetic comprising the porous silica-based particles. The porous silica-based particles have an average particle diameter of 0.5 to 30 m and have a surface smoothness of a level to such an extent that, when the entire surface of the particle is observed from a photograph thereof taken by a scanning electron microscope (SEM) with a magnifying power of 10,000, a foreign matter attached to the surface thereof can be hardly seen.


Provided are silica-based fine particle dispersion sols, processes for producing the sols, coating compositions containing the dispersion sol, curable coating films obtained from the coating composition, and substrates having the coating film. The process including (1) mixing an aqueous aluminate solution to an alkaline silica sol which contains water-dispersible silica fine particles in a given ratio; (2) heating the mixture liquid obtained in step (1) to 60 to 200 C. and stirring the mixture liquid at the temperature for 0.5 to 20 hours; and (3) contacting the mixture liquid obtained in step (2) with a cation exchange resin to remove by ion exchange alkali metal ions contained in the mixture liquid and thereby controlling the pH of the mixture liquid to be in the range of 3.0 to 6.0.

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