Kawasaki, Japan
Kawasaki, Japan

Asahi Kasei Corporation is a global Japanese chemical company. Its main products are chemicals and materials science. It was founded in May 1931, using the paid in capital of Nobeoka Ammonia Fiber Co., Ltd, a Nobeoka, Miyazaki based producer of ammonia, nitric acid, and other chemicals. Now headquartered in Tokyo, with offices and plants across Japan, as well as China, Singapore, Thailand, U.S.A. and Germany.The company is listed on the first section of Tokyo Stock Exchange and is a constituent of the TOPIX 100 and Nikkei 225 stock market indices. Wikipedia.


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Patent
Asahi Kasei Corporation | Date: 2017-05-10

A polyolefin-based resin composition comprising:a polyolefin-based resin, anda hydrogenated block copolymer having a polymer block A mainly containing a vinyl aromatic monomer unit and a polymer block B mainly containing a conjugated diene monomer unit, whereina mass ratio of the polyolefin-based resin/the hydrogenated block copolymer is 95 to 5 parts by mass/5 to 95 parts by mass,a total vinyl aromatic monomer unit content in the hydrogenated block copolymer is 12 to 25 mass%,a degree of hydrogenation of double bonds based on the conjugated diene monomer unit in the hydrogenated block copolymer is 90 mol% or more, anda melt flow rate value is 7 to 26 g/10 min.


Patent
Asahi Kasei Corporation | Date: 2017-05-03

A current sensor is provided that it is possible to have excellent isolation resistance and reduce influence of a stray magnetic field, and improve magnetic field detection accuracy. A current sensor (1) includes: a conductor (210) through which a current to be measured flows; magnetoelectric conversion elements (213a, 213b) disposed near the conductor (210); and an isolating member (214) for supporting the magnetoelectric conversion elements (213a, 213b), and the conductor (210) is disposed so as not to contact with the isolating member (214) and not to support the isolating member (214).


Patent
Asahi Kasei Corporation | Date: 2017-05-17

An object of the present invention is to provide a membrane distillation apparatus having a high water treatment capability as well as being compact in size. The present invention provides a membrane distillation apparatus that comprises an evaporation part comprising a liquid phase part 1 in which water to be treated flows, a gas phase part 1, and a hydrophobic porous membrane that separates the liquid phase part 1 and the gas phase part 1, a condensation part comprising a liquid phase part 2 in which cooling water flows, a gas phase part 2, and a cooling member that separates the liquid phase part 2 and the gas phase part 2, and a gas phase part 3 connecting the gas phase part 1 with the gas phase part 2, wherein the pressure of the gas phase parts 1 to 3 is 1 kPa or higher and the saturated steam pressure of water at the temperature of water to be treated or lower. The present invention also provides a hydrophobic porous membrane having a surface porosity of a membrane surface that comes into contact with water to be treated of 20% or more and an air permeation coefficient of 8.0 10^(-7) m^(3)/m^(2)secPa or more.


Patent
Asahi Kasei Corporation | Date: 2017-05-17

A blood processing filter for removing undesirable components from liquid containing a blood component or blood, comprises a sheet-shaped filter element and a hard container that includes an inlet-side container element and an outlet-side container element that are disposed to clamp the filter element, and has an internal space separated by the filter element into an inlet space and an outlet space, wherein the filter element includes a pair of filtering surfaces disposed on the inlet space side and the outlet space side, the inlet-side container element and the outlet-side container element are provided with a gripper that clamps and compresses outer edge portions of the pair of filtering surfaces, the filter element is compressed to have a thickness of a portion clamped by the gripper being 0.05 times or more and 0.5 times or less larger, and the hard container is provided with a steam-permeable portion having steam permeability.


Patent
Asahi Kasei Corporation | Date: 2017-05-17

A non-aqueous lithium-type power storage element obtained by a non-aqueous liquid electrolyte and an electrode laminate having a negative electrode body, a positive electrode body, and a separator being accommodated in an exterior body, wherein: the negative electrode body contains a negative electrode current collector and a negative electrode active material including a carbon material capable of occluding and releasing lithium ions; the negative electrode active material is selected from composite porous materials in which a carbonaceous material is caused to adhere to activated carbon and composite porous materials in which a carbonaceous material is caused to adhere to carbon black, and is doped with lithium ions at 530-2500 mAh/g per unit weight of the composite porous material; the non-aqueous electrolytic solution contains 0.5 mol/L or more of a lithium salt; and an extract obtained by extracting a negative electrode active material layer using water contains (a)SO_(3)^(2-) ions and/or (b)SO_(4)^(2-) ions in a range of 3.0 10^(-8) to 5.0 10^(-6) mol/m^(2) per unit surface area of the negative electrode active material layer.


Patent
Asahi Kasei Corporation | Date: 2017-05-17

A blood processing filter for removing undesirable components from liquid containing a blood component or blood, comprises a sheet-shaped filter element, and a container that includes an inlet-side container element and an outlet-side container element that are disposed to clamp the filter element, and has an internal space separated by the filter element into an inlet space and an outlet space. The filter element includes a pair of filtering surfaces disposed on the inlet space side and the outlet space side, and an end surface along a periphery of the pair of the filtering surfaces, and the inlet-side container element and the outlet-side container element are provided with a gripper that clamps and compresses outer edge portions of the pair of filtering surfaces, and adheres to the end surface with melt resin, and a part of the container is provided with a steam-permeable portion having steam permeability.


Provided is a freeze-dried preparation containing high-purity PTH peptide and a method for the production thereof. Also provided is a test method for PTH analogs to confirm the purity of a freeze-dried preparation containing PTH peptide, and the like. In the present invention, the presence of PTH analogs produced during the manufacturing process of a freeze-dried preparation containing PTH peptide was confirmed. The production of these PTH analogs was also discovered to be markedly prevented or reduced by controlling exposure of the solution containing PTH peptide and the like to air environments within a pharmaceutical production facility.


Patent
Asahi Kasei Corporation | Date: 2017-05-31

The present invention provides a cation-exchange chromatographic support, comprising a membrane matrix and a copolymer immobilized on the surface of the membrane matrix, wherein the copolymer comprises a (meth)acrylamide-based compound and/or a (meth)acrylate-based compound as monomer units, and the support has one or more species of cation-exchange groups including at least a weak cation-exchange group at a density higher than 30 mmol/L per volume of the support.


Provided is an adsorbent for removing histones from a liquid derived from a living-organism, including a water-insoluble carrier and a biocompatible polymer. The carrier has activated carbon, a polyester, a polysulfone, or a cationic functional group. Also provided is a device for purifying a liquid derived from a living-organism to remove histones from a liquid derived from a living-organism, which has a housing equipped with an inlet and an outlet for the liquid derived from the living-organism and the above-described adsorbent housed in the housing. The liquid derived from the living-organism is moved through the housing of device for purifying the liquid derived from the living-organism to remove histones from the liquid derived from the living-organism.


Yoshino A.,Asahi Kasei Corporation
Angewandte Chemie - International Edition | Year: 2012

The moment of truth: The lithium-ion battery is currently the predominant power source for mobile phones, laptop computers, and many other portable electronic devices, and is being used increasingly in electric vehicles. Its inventor, A. Yoshino, describes the process by which the lithium-ion battery was first developed (picture shows the first test-tube cell) and made commercially practical. Successful safety tests marked the turning point in this work. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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