Sumitomo Chemical

Tokyo, Japan

Sumitomo Chemical

Tokyo, Japan
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Patent
Sumitomo Chemical | Date: 2017-01-27

A nonaqueous secondary battery separator, disposed between a cathode and an anode, includes: a porous base material containing a polyolefin as a main component; and a porous layer containing a polyvinylidene fluoride-based resin on at least one surface of the porous base material. The separator satisfies (C)/(D)0.13, where (C) represents the average pore diameter (m) of the porous base material, and (D) represents the porosity of the porous base material, in the porous layer after being immersed for 24 hours in an electrolyte solution having a temperature of 25 C. in which electrolyte solution LiPF_(6 )having a concentration of 1.0 mole per liter is dissolved in a mixed solvent containing ethyl methyl carbonate, diethyl carbonate, and ethylene carbonate at a volume ratio of 50:20:30, the resin having absorbed the electrolyte solution having a volume of 0.05 to 5.00 cm^(3 )per square meter of the porous layer.


Patent
Sumitomo Chemical | Date: 2017-01-27

Provided is a nitride semiconductor wafer in which, above a nitride semiconductor template having a nitride semiconductor layer as a top layer thereof, a light emitting layer having a multiple quantum well structure that is formed by a regrown nitride semiconductor and a p-type nitride semiconductor layer are stacked. Here, when the light emitting layer having a multiple quantum well structure includes a plurality of well layers and one of the well layers that is the closest to the p-type nitride semiconductor layer is referred to as a top well layer, a distance t from a regrowth interface of the nitride semiconductor layer of the nitride semiconductor template to the top well layer is 1 m or less, and the top well layer has an oxygen concentration of 5.010^(16 )cm^(3 )or less.


Patent
Sumitomo Chemical | Date: 2017-01-31

A nitride semiconductor template includes a substrate, an AlN layer that is formed on the substrate and that includes Cl, and a nitride semiconductor layer formed on the AlN layer. In the AlN layer, a concentration of the Cl in a region on a side of the substrate is higher than that in a region on a side of the nitride semiconductor layer. Also, a light-emitting element includes the nitride semiconductor template, and a light-emitting layer formed on the nitride semiconductor template.


Patent
Sumitomo Chemical | Date: 2017-05-17

A polynucleotide encoding an amino acid sequence represented by SEQ ID NO: 1, 3, or 5; a protein having an amino acid sequence represented by SEQ ID NO: 1, 3, or 5; a method for producing an -oxocarboxylic acid compound, which comprises the step of reacting a protein of the present invention with an -hydroxycarboxylic acid compound; and a method for producing an L--amino acid compound, which comprises the step (1) of reacting the present invented protein with an -hydroxycarboxylic acid compound to obtain a corresponding -oxocarboxylic acid compound, and the step of reacting a protein having the ability to aminate an -oxocarboxylic acid compound and convert the same into a corresponding L--amino acid compound with the -oxocarboxylic acid compound obtained in the step (1) to obtain a corresponding L--amino acid compound; and the like.


Patent
Sumitomo Chemical | Date: 2017-05-17

Provided is a metal complex excellent in light emission stability. A metal complex represented by the formula (1):_(1) represents an integer of 1 to 3, n_(2) represents an integer of 0 to 2, E^(2) to E^(4) represent a nitrogen atom or a carbon atom, two selected from among E^(2) to E^(4) are nitrogen atoms, the remaining one is a carbon atom, R^(1) represents an aryl group or the like, R^(2) and R^(3) represent a hydrogen atom, an alkyl group, an aryl group or the like, the ring B represents a triazole ring, the ring A represents an aromatic hydrocarbon ring or the like, and A^(1)-G^(1)-A^(2) represents an anionic bidentate ligand.


Patent
Sumitomo Chemical | Date: 2017-05-17

A polynucleotide encoding an amino acid sequence represented by SEQ ID NO: 1 or 3; a protein having an amino acid sequence represented by SEQ ID NO: 1 or 3; and; a method for producing an L--amino acid compound, which comprises the step (1) for reacting the present invented protein with an -hydroxycarboxylic acid compound to obtain a corresponding -oxocarboxylic acid compound, and the step of reacting a protein having the ability to aminate an -oxocarboxylic acid compound and convert the same into a corresponding L--amino acid compound with the -oxocarboxylic acid compound obtained in the step (1) to obtain a corresponding L--amino acid compound; and the like.


The present invention provides, as a nonaqueous electrolyte secondary battery separator having excellent heat resistance and excellent ion permeability, a nonaqueous electrolyte secondary battery separator which includes a porous layer including: a nitrogen-containing aromatic polymer A; and an aromatic polymer B differing in structural unit from the nitrogen-containing aromatic polymer A.


An ink composition containing a P-type semiconductor material, an N-type semiconductor material and two or more solvents including a first solvent and a second solvent, whereinthe total amount of the first solvent and the second solvent is 70% by weight or more with respect to 100% by weight of all the solvents contained in the ink composition;the boiling point of the first solvent is lower than the boiling point of the second solvent;the boiling point of the first solvent is 120C or more and 400C or less; andthe hydrogen bond Hansen solubility parameter H1 (MPa^(0.5)) of the first solvent and the hydrogen bond Hansen solubility parameter H2 (MPa^(0.5)) of the second solvent are in the relation of 0.5 (H2-H1) 5.0.


Patent
Sumitomo Chemical | Date: 2017-09-27

Provided is a metal complex which is excellent in quantum yield and full width at half maximum of a light emission spectrum. A metal complex represented by the formula (1):_(1) represents 1 to 3, n_(2) represents 0 to 2, X^(1) to X^(8) represent a carbon atom or the like, R^(1) to R^(8) represent a hydrogen atom or the like, one of X^(a) and X^(b) is a single bond, and the other is a group represented by -CR^(11)R^(12)-CR^(13)R^(14)-, R^(11) to R^(14) represent an alkyl group or the like, ring A represents a heteroaromatic ring, and A^(1)-G^(1)-A^(2) represents an anionic bidentate ligand.


The present invention provides an electrostatic atomizer which can be inspected at low cost. The electrostatic atomizer includes: a PWM signal generating section (27) which generates a PWM signal for controlling a high voltage generating device (22); an identifying section (28) which identifies an on-time of a PWM signal during a certain time; and a reporting section (33) which causes a report to be sent out of the electrostatic atomizer in a case where the on-time identified by the identifying section (28) is larger than a certain value.

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