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Mitsui Mining x26 Smelting Co Ltd
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Mitsui Mining & Smelting Co Ltd patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Mitsui Mining & Smelting Co Ltd-related inventors


Exhaust gas purification device for internal combustion engine

An exhaust gas purification device is equipped with: an NOx purification unit disposed in exhaust gas piping of an engine supporting an NOx storage catalyst (NSC); a catalyzed soot filter (CSF) disposed downstream of the NOx purification unit supporting a particulate combustion catalyst causing captured particulates to combust; and an... Mitsui Mining & Smelting Co Ltd

Negative electrode active material for nonaqueous electrolyte secondary batteries

Provided is a novel method of preparing a negative electrode for nonaqueous electrolyte secondary batteries, which contains silicon and is capable of improving cycle characteristics and is also capable of suppressing aggregation of active material particles in a slurry. After formation of a molten liquid by any one of methods... Mitsui Mining & Smelting Co Ltd

Sulfide-based solid electrolyte for lithium ion cell, and solid electrolyte compound

Relating to a sulfide-based solid electrolyte compound for lithium ion batteries which has a cubic argyrodite-type crystal structure, to provide a compound which can suppress a generation amount of hydrogen sulfide when being left to stand in the air and which can maintain high conductivity even when being left to... Mitsui Mining & Smelting Co Ltd

Phosphor

Provided is a phosphor, which is excited by a wide band of visible light, capable of emitting near-infrared light of high intensity. The phosphor comprises a crystal phase represented by a formula (1): MCuSi2O6 (where M comprises one or more of Ba, Sr and Ca), and a crystal phase represented... Mitsui Mining & Smelting Co Ltd

Negative electrode active material for nonaqueous electrolyte secondary batteries

A negative electrode active material for nonaqueous secondary batteries is disclosed. The active material contains a silicon solid solution having one or more than one of a group 3 semimetal or metal element, a group 4 semimetal or metal element except silicon, and a group 5 nonmetal or semimetal element... Mitsui Mining & Smelting Co Ltd

5v-class spinel-type lithium-manganese-containing composite oxide

Provided is a new 5 V-class spinel-type lithium-manganese-containing composite oxide capable of achieving both the expansion of a high potential capacity region and the suppression of gas generation. Proposed is the spinel-type lithium-manganese-containing composite oxide comprising Li, Mn, O and two or more other elements, and having an operating potential... Mitsui Mining & Smelting Co Ltd

5v-class spinel-type lithium-manganese-containing composite oxide

Provided is a new 5 V class spinel-type lithium manganese-containing composite oxide which enables the expansion of a high potential capacity region and the suppression of gas generation. The 5 V class spinel-type lithium manganese-containing composite oxide has an operating potential of 4.5 V or more at a metal Li... Mitsui Mining & Smelting Co Ltd

Lithium metal composite oxide powder

A positive electrode active material comprising a lithium metal composite oxide having a layered crystal structure provides a novel lithium metal composite oxide powder which can suppress the reaction with an electrolytic solution and raise the charge-discharge cycle ability of a battery, and can improve the output characteristics of a... Mitsui Mining & Smelting Co Ltd

Carrier for exhaust gas purification catalyst and exhaust gas purification catalyst

Provide is a new carrier for exhaust gas purification catalyst which exhibits excellent catalytic activity, particularly catalytic activity at a low temperature. Proposed is a carrier for exhaust gas purification catalyst composed of particles which contain a silicate or phosphate containing one kind or two or more kinds among the... Mitsui Mining & Smelting Co Ltd

Fuel cell electrode catalyst layer, production method therefor, membrane electrode assembly, and solid polymer fuel cell

In this fuel cell electrode catalyst layer, a catalyst is supported on a carrier comprising inorganic oxide particles. The fuel cell electrode catalyst layer is provided with a porous structure. When a mercury penetration method is used to measure the pore size distribution of the porous structure, a peak is... Mitsui Mining & Smelting Co Ltd

Molten metal filtration device

This filtration device 10 has a can body 20 having a reservoir 3 that connects to an opening 9 at the top, and a filtration unit 40 which is detachably installed in the reservoir. The filtration unit has a support plate 42, and filtration tubes 41 of bottomed cylindrical shape... Mitsui Mining & Smelting Co Ltd

Exhaust gas purifying catalyst

To reduce an OSC material, while maintaining necessary OSC capacity; and to improve heat resistance and reactivity of a precious metal. Proposed is an exhaust gas purifying catalyst which comprises a first catalyst layer that is formed on the surface of a substrate that is formed of a ceramic or... Mitsui Mining & Smelting Co Ltd

Sulfide-based solid electrolyte for lithium ion batteries

Proposed is a new sulfide-based solid electrolyte for lithium ion batteries, the sulfide-based solid electrolyte relating to a compound that has a cubic argyrodite type crystal structure and is represented by Li7-x-2yPS6-x-yClx, and having excellent water resistance and oxidation resistance. Proposed is a sulfide-based solid electrolyte for lithium ion batteries,... Mitsui Mining & Smelting Co Ltd

Surface-treated copper foil, producing same, copper-clad laminate for printed wiring board, and printed wiring board

There is provided a surface-treated copper foil including a surface coating layer provided on at least one surface of a copper foil, the surface coating layer being mainly composed of silicon with a hydrogen content of 1 to 35 atomic % and/or a carbon content of 1 to 15 atomic... Mitsui Mining & Smelting Co Ltd

Fuel reforming catalyst

A fuel reforming catalyst which contains an inorganic porous support, a catalytically active species, and catalyst particles including CeO2 and ZrO2 and in which the concentration of ZrO2 in the catalyst particles is higher in the vicinity of the particle surface than in the particle interior and the concentration of... Mitsui Mining & Smelting Co Ltd

Carrier for exhaust gas purification catalyst and exhaust gas purification catalyst

The invention relates to a catalyst carrier for exhaust gas purification catalyst which contains a metal phosphate containing Zr, and it provides a new catalyst carrier which exhibits excellent NOx purification performance in a high temperature region. The invention proposes a carrier for exhaust gas purification catalyst containing a metal... Mitsui Mining & Smelting Co Ltd

Conductor connection structure, producing same, conductive composition, and electronic component module

Provided is a conductor connection structure (10) in which two conductors (21, 31) are electrically connected by a copper connection part (11). The connection part (11) comprises a material containing mainly copper. The connection part (11) also comprises a plurality of holes. An organosilicon compound is present within the holes.... Mitsui Mining & Smelting Co Ltd

Membrane electrode assembly and solid polymer fuel cell in which same is used

To provide a membrane-electrode assembly including a catalyst layer that includes a catalyst-supporting carrier in which a catalyst is supported on a carrier made of an inorganic oxide, and a highly hydrophobic substance having a higher degree of hydrophobicity than the inorganic oxide, the catalyst layer being formed on at... Mitsui Mining & Smelting Co Ltd

Abrasive material

The present invention provides an abrasive material capable of polishing difficult-to-polish silicon carbide at a high degree of surface precision. The present invention relates to an abrasive material including manganese dioxide particles having a non-needle-like shape possessing a ratio of the longitudinal axis to the transverse axis of the particles... Mitsui Mining & Smelting Co Ltd

Carrier for exhaust gas purification catalyst

The exhaust gas purification catalyst carrier of the invention includes a modified aluminum borate which contains aluminum borate and at least one addition element selected from the group consisting of a rare earth element and an alkaline earth metal and which has an electronegativity of 2.732 or lower.... Mitsui Mining & Smelting Co Ltd

Phosphor and use thereof

Proposed is a phosphor capable of effectively inhibiting the occurrence of adverse influence of a sulfur-based gas while improving water resistance of the phosphor and effectively inhibiting the corrosion of a metallic member. A phosphor is proposed, which includes particles or a layer provided on the surface of a sulfur-containing... Mitsui Mining & Smelting Co Ltd

Metal foil with releasing resin layer, and printed wiring board

There is provided with a metal foil-releasable resin layer composite comprising a metal foil and a releasable resin layer on at least one surface of the metal foil, wherein the releasable resin layer includes 100 parts by mass, in total, of (A) 50 to 95 parts by mass of a... Mitsui Mining & Smelting Co Ltd

Catalyst composition for purifying exhaust gas and exhaust gas purifying catalyst

The present invention relates to a catalyst composition for purifying exhaust gas and an exhaust gas purifying catalyst which contain a manganese-containing composite oxide, and an object of the invention is to provide a novel catalyst composition which can sufficiently function as an exhaust gas purifying catalyst even without supporting... Mitsui Mining & Smelting Co Ltd

Positive electrode active material for lithium secondary cell

The present invention relates to a positive electrode active material including a lithium metal composite oxide having a layer crystal structure, and provides a novel positive electrode active material for a lithium secondary cell, which can suppress the reaction with an electrolyte solution and can raise the charge-discharge cycle ability... Mitsui Mining & Smelting Co Ltd








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