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Tokuyama Corporation patents


Recent patent applications related to Tokuyama Corporation. Tokuyama Corporation is listed as an Agent/Assignee. Note: Tokuyama Corporation may have other listings under different names/spellings. We're not affiliated with Tokuyama Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tokuyama Corporation-related inventors


 new patent  Tokuyama Corporation

. . ... Tokuyama Corporation

Lanthanum fluoride single crystal and optical component

A lanthanum fluoride single crystal wherein an alkaline earth metal is added to the lanthanum fluoride single crystal, and internal transmittance of light at 9.3 μm in wavelength is no less than 85%/mm. The lanthanum fluoride single crystal and an optical component which have high transparency in an infrared region, and can be preferably used for phase plates for lasers, lenses and optical window materials for laser beam machines, gas detectors, flame detectors, infrared cameras, and so on, etc. ... Tokuyama Corporation

Process for producing a photochromic cured body

A process for producing a photochromic cured body by curing a photochromic composition comprising (a) a polyiso(thio)cyanate compound having at least two isocyanate groups and/or isothiocyanate groups in one molecule, a poly(thi)ol compound having at least two hydroxyl groups and/or thiol groups in one molecule, (c) a mono(thi)ol compound having one hydroxy group or thiol group in one molecule, and a photochromic compound.. . ... Tokuyama Corporation

Tokuyama Corporation

. . ... Tokuyama Corporation

Silicone oil-treated silica particles and toner for electrophotography

A silicone oil-treated silica particle according to the present invention includes a silica particle body and silicone oil. The silica particle body has a bet specific surface area of 70 m2/g to 120 m2/g. ... Tokuyama Corporation

Tokuyama Dental Corporation

. . ... Tokuyama Corporation

Core wire holder and method for producing silicon

A core wire holder 3 attached on an electrode 2 placed on a bottom panel of a device 20 for producing silicon by siemens process includes a silicon core wire holding portion 9 being generally circular truncated cone-shaped, and holding and energizing a silicon core wire 4. The silicon core wire holding portion 9 includes a generally circular truncated cone having an upper surface formed with a silicon core wire insertion hole 7 for holding the silicon core wire 4, and the silicon core wire holding portion 9 includes an upper surface and a side surface, which form a ridge having a curved surface and serving as a chamfered portion 8.. ... Tokuyama Corporation

Tokuyama Corporation

. . ... Tokuyama Corporation

Apparatus for manufacturing group iii nitride single crystal, method for manufacturing group iii nitride single crystal using the apparatus, and aluminum nitride single crystal

An apparatus for manufacturing a group iii nitride single crystal including: a reaction vessel including a reaction area, wherein in the reaction area, a group iii source gas and a nitrogen source gas are reacted such that a group iii nitride crystal is grown on a substrate; a susceptor arranged in the reaction area and supporting the substrate; a group iii source gas supply nozzle supplying the group iii source gas to the reaction area; and a nitrogen source gas supply nozzle supplying the nitrogen source gas to the reaction area, wherein the nitrogen source gas supply nozzle is configured to supply the nitrogen source gas and at least one halogen-based gas selected from the group consisting of a hydrogen halide gas and a halogen gas to the reaction area.. . ... Tokuyama Corporation

Teat pack material for lactating livestock, kit for forming teat pack for lactating livestock, and method for preventing mastitis in lactating livestock

A teat protective pack material for coating teats of lactating livestock to prevent mastitis is disclosed, the teat protective pack material including a polymer latex and a coagulant for coagulating the polymer latex to form a film. The teat protective pack material optionally includes a surfactant, a mold-releasing agent, a water-soluble polymer, water and/or a water-soluble solvent, an antifreezing agent, etc. ... Tokuyama Corporation

Process for producing silicon single crystal

In a process for producing a silicon single crystal in which carbon is incorporated in order to inhibit crystal defects, provided is a process which easily allows carbon to be mixed and dissolved into a silicon melt. The process for producing a silicon single crystal, which involves allowing a silicon single crystal to grow during its pulling-up from the silicon melt held in a crucible, uses as at least part of a silicon raw material, crushed materials of a polycrystalline silicon rod produced by siemens process that are obtained by crushing an end of the rod in the vicinity contacting a carbon core wire holding member.. ... Tokuyama Corporation

Cleaning method and laminate of aluminum nitride single-crystal substrate

A method for effectively removing minute impurities of 1 μm or less in size that are present on a surface of an aluminum nitride single-crystal substrate without etching the surface includes scrubbing a surface of an aluminum nitride single-crystal substrate using a polymer compound material having lower hardness than an aluminum nitride single crystal, and an alkali aqueous solution having 0.01-1 mass % concentration of potassium hydroxide or sodium hydroxide, the alkali aqueous solution being absorbed in the polymer compound material.. . ... Tokuyama Corporation

Method for manufacturing reproduction of painting

An object of the present invention is to provide a method for manufacturing a reproduction of a painting, which can use different types of paintings as original paintings and reproduce the matiere of the original painting and which also improves the light stability of ink. According to the present invention, there is provided a method for manufacturing a reproduction of a painting, comprising: forming an irregularity-reproducing layer, which has irregularities reflecting the irregularities of the painting being an original painting, on a base sheet by use of a slurried mixture containing an organic binder, calcium hydroxide having a volume-based median diameter (d50), as measured by laser diffraction scattering, of 10 μm or less, and a water-insoluble inorganic powder having a volume-based median diameter (d50), as measured by laser diffraction scattering, of 5.0 μm or less; and printing the painting on the irregularity-reproducing layer by inkjet printing.. ... Tokuyama Corporation

Tokuyama Dental Corporation

. . ... Tokuyama Corporation

08/24/17 / #20170240769

Coating composition and optical article having a coat layer made of the coating composition

A coating composition comprising inorganic oxide fine particles containing at least one element selected from the group consisting of ti, zr, sn and sb, a hydrolysable group-containing organic silicon compound, and (c1) a surfactant having an hlb value of 8 or less and (c2) a surfactant having an hlb value of more than 8, for forming a coat layer having little white turbidity, a good appearance and excellent scratch resistance, chemical resistance, hot water resistance and weather resistance on the surface of a plastic optical substrate.. . ... Tokuyama Corporation

08/24/17 / #20170239666

Polycrystalline silicon fragment, method for manufacturing polycrystalline silicon fragment, and polycrystalline silicon block fracture device

Polycrystalline silicon fragments obtained by fracturing polycrystalline silicon blocks wherein a content ratio of polycrystalline silicon powder having a particle size of 500 to 1000 μm is 0.1 to 40 ppmw.. . ... Tokuyama Corporation

08/17/17 / #a package in which a bag formed from a polyethylene-based resin film having a small thickness, more specifically a thickness of 300 μm or less is filled with crushed polysilicon (si chunks) and damage to the bag by the si chunks is effectively prevented.

Tokuyama Corporation

. . ... Tokuyama Corporation

08/03/17 / #20170222242

Anion conductor and layered metal hydroxide

The present invention provides a novel anion conductor which comprises a layered metal hydroxide and can be used as an alkaline electrolyte film for use in a fuel cell or the like. An anion conductor characterized by comprising a molded product of a layered metal hydroxide represented by formula (1): [mx(oh)y(a)(αx-y)/z-nh2o] (wherein m represents a metal that can serve as a bivalent or trivalent cation; α represents the number of valency of the metal m, a represents an atom or an atomic group that can serve as an anion, and z represents the number of valency of the anion a, wherein, when (αx-y)/z is 2 or greater, a's may be different types of anions which can serve as anions having the same valencies as each other, or may be anions having different valencies from each other; and n represents the average number of molecules of interlayer water contained per one repeating unit). ... Tokuyama Corporation

08/03/17 / #20170222237

Odorant for fuel gases for anion membrane fuel cells, fuel gas and power generation system using anion membrane fuel cell

An odorant for fuel gases for anion membrane fuel cells, which imparts a fuel gas with an odor, includes at least one or more substances selected from the group consisting of ammonia, trimethylamine, triethylamine, n,n-diethylmethylamine, n,n-dipropylmethylamine, n,n-dipropylethylamine, n,n-diisopropylmethylamine, n,n-diisopropylethylamine, dimethylamine, diethylamine, dipropylamine, ethylmethylamine, propylmethylamine, propylethylamine, methylamine, ethylamine and propylamine.. . ... Tokuyama Corporation

08/03/17 / #20170222064

N-type aluminum nitride monocrystalline substrate

A silicon-doped n-type aluminum nitride monocrystalline substrate wherein, at a photoluminescence measurement at 23° c., a ratio (i1/i2) between the emission spectrum intensity (i1) having a peak within 370 to 390 nm and the emission peak intensity (i2) of the band edge of aluminum nitride is 0.5 or less; a thickness is from 25 to 500 μm; and a ratio (electron concentration/silicon concentration) between the electron concentration and the silicon concentration at 23° c. Is from 0.0005 to 0.001.. ... Tokuyama Corporation

07/27/17 / #a curable composition having excellent storage stability and capable of forming a cured product having excellent scratch resistance.

Tokuyama Corporation

. . ... Tokuyama Corporation

07/20/17 / #20170203526

Photopolymerization device and production method for lens that has photochromic coating layer

A photopolymerization device (20) has: a workpiece holding part (1) that holds a workpiece (w); and a photoirradiation device (6) that is arranged above the workpiece holding part (1) and that radiates light toward the workpiece (w). The photopolymerization device (20) is configured such that a reflecting plate (3) that has a reflecting surface that has a specular gloss at angles of 60° of 10-200 is arranged below the workpiece holding part (1) and such that light that arrives at the reflecting surface of the reflecting plate (3) is radiated toward the workpiece (w).. ... Tokuyama Corporation

07/13/17 / #20170196341

Printed makeup product and makeup method

The printed makeup product of the present invention includes a base sheet 1, an inorganic solid layer 3 provided on the base sheet, and an ink-jet printed image 5 formed on the inorganic solid layer 3. A makeup material is applied onto the ink-jet printed image 5. ... Tokuyama Corporation

06/29/17 / #the present invention provides a resin composition for molding that allows production of a molded body having excellent thermal stability as well as high flexibility and strength, without using heavy metals such as lead and tin, and also provides a molded body obtained using the resin composition for molding. the present invention provides a resin composition for molding, including a chlorinated polyvinyl chloride and a thermal stabilizer, the chlorinated polyvinyl chloride having structural units (a) to (c) represented by formulae (a) to (c) shown below:

Tokuyama Sekisui Co., Ltd.

. . ... Tokuyama Corporation

06/22/17 / #20170174800

Partially quaternized styrene-based copolymer, ionic-conductivity imparter, catalytic electrode layer, membrane/electrode assembly and process for producing same, gas diffusion electrode and process for producing same, and fuel cell of anion exchange membrane type

A partially quaternized styrene-based polymer contains given amounts of a constituent unit having a quaternary salt type anion-exchange group and a constituent unit having a haloalkyl group. Due to the polymer, the ionic conductivity and the gas diffusion properties are kept high and the swelling of the electrode catalyst layer in a post-crosslinking step can be minimized to form a highly active catalytic electrode layer and obtain an excellent fuel-cell output.. ... Tokuyama Corporation

06/08/17 / #20170156991

Bonding method, bonding kit, and bonding material

To enable firm bonding to a member including a polyaryl ether ketone resin. A bonding method including: a bonding material applying step for applying, to the surface of a member including a polyaryl ether ketone resin, a bonding material including (a) a polymerizable monomer and (b) at least a portion of components for configuring a polymerization initiator, the content ratio of polymerizable monomers at least having two or more polymerizable functional groups in a (p2) molecule among all polymerizable monomers being 50% by mass or greater, and the content ratio of polymerizable monomers at least having one or more polymerizable functional groups and one or more functional groups capable of hydrogen bonding in a (p1h1) molecule being 5% by mass or greater; and a curing step for curing the bonding material. ... Tokuyama Corporation

03/16/17 / #20170071699

Plastic container for containing dental adhesive composition

A plastic container for containing a dental adhesive composition that contains a polymerizable monomer and a polymerization initiator; the plastic container including a container body 3 of a hollow cylindrical shape, an ejection nozzle 5 provided at an end of the container body 3 on one side thereof and a cap 9 detachably fitted to the ejection nozzle, and having a structure in which a knock-button type piston member 7 is fitted in the container body 3 from an end on the other side thereof in a manner that the knock-button type piston member can be depressed, and the composition contained in the container body 3 is discharged through the ejection nozzle 5 as the piston member 7 is depressed; and a body wall of the plastic container has an oxygen permeability in a range of 10 to 500 cc/m2·day·atm in a portion where the composition is contained in the container body 3.. . ... Tokuyama Corporation

02/23/17 / #a neutron scintillator excellent in neutron detection efficiency and n/γ discrimination ability, having uniform characteristics, and easily available in a large size is provided.

Tokuyama Corporation

. . ... Tokuyama Corporation

02/16/17 / #20170044348

Resin composite material and method for manufacturing resin composite material

Provided is a resin composite material that has more excellent toughness than that of a related-art resin composite material, and hence, while having rigidity, does not undergo breakage even when a certain strain is applied thereto. Specifically, provided is a resin composite material, including: (a) 100 parts by volume of a polyaryletherketone resin having a melt viscosity of from 210 [pa·s] to 350 [pa·s] at a temperature of 370° c. ... Tokuyama Corporation

02/02/17 / #20170029594

Molding resin composition including chlorinated vinyl chloride-based resin, and molded article thereof

The present invention aims to provide a chlorinated vinyl chloride-based resin composition with excellent thermal stability and a molded body thereof. The present invention relates to a resin composition for molding, including a chlorinated vinyl chloride-based resin, a thermal stabilizer, and a polyalcohol and/or a partial ester of a polyalcohol. ... Tokuyama Corporation

02/02/17 / #20170029593

Molding resin composition including chlorinated vinyl chloride-based resin, and molded article thereof

The present invention aims to provide a chlorinated vinyl chloride-based resin composition with excellent thermal stability and a molded body thereof. The present invention relates to a resin composition for molding, including a chlorinated vinyl chloride-based resin, a thermal stabilizer, and a polyalcohol and/or a partial ester of a polyalcohol. ... Tokuyama Corporation

01/12/17 / #20170008981

Production method for chlorinated vinyl chloride resin

The present invention provides a method for producing a chlorinated polyvinyl chloride which is excellent in thermal stability (initial discoloration resistance, heat-resistant stability) and is capable of providing a transparent article. The present invention relates to a method for producing a chlorinated polyvinyl chloride through thermal chlorination of a reaction solution including a vinyl chloride aqueous suspension that contains a vinyl chloride resin in a hermetically sealable reaction vessel, the method including: step 1 of initiating thermal chlorination by heating the reaction solution to 55° c. ... Tokuyama Corporation

01/12/17 / #20170007378

Dental plate liner

The dental plate liner includes: a paste (i) containing (a) a (meth)acrylic acid-based polymer, and a fluorine-containing (meth)acrylic acid-based polymerizable monomer in which (a) the (meth)acrylic acid-based polymer has a solubility of less than 20 mass %; and a paste (ii) containing a (meth)acrylic acid-based polymerizable monomer in which (a) the (meth)acrylic acid-based polymer has a solubility of 20 mass % or more, and a filler, in which at least one paste selected from the group consisting of the paste (i) and the paste (ii) contains a polymerization initiator, and in which the dental plate liner is used through mixing of the paste (i) and the paste (ii) immediately before use.. . ... Tokuyama Corporation








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