417 patents
Page 13 of 21
Utility
Method and apparatus for producing 1,3-butadiene
6 Apr 21
Provided is a method for producing 1,3-butadiene that enables 1,3-butadiene to be obtained in a high yield while preventing abnormal reaction of a fraction containing vinylacetylene in high concentration.
Yoshihide Yachi
Filed: 27 Mar 17
Utility
Method for producing hydrogenated conjugated diene polymer latex
6 Apr 21
A method for producing a hydrogenated conjugated diene polymer latex includes: a hydrogenation step of dissolving or dispersing a hydrogenation catalyst containing a platinum group element in a latex of a conjugated diene polymer to hydrogenate a carbon-carbon unsaturated bond in the polymer; an insoluble complex formation step of complexing the platinum group element with a complexing agent to form an insoluble complex; and an insoluble complex removing step of continuously feeding the latex which has undergone the insoluble complex formation step to a centrifuge machine and continuously performing a centrifugation operation to continuously remove the insoluble complex from the latex and continuously discharge the insoluble complex out of the centrifuge machine.
Kentaro Ono, Chikara Katano, Yasuaki Watanabe
Filed: 18 Jan 18
Utility
Rubber crosslinked product
6 Apr 21
A cross-linked rubber obtained by crosslinking a rubber composition containing a conjugated diene rubber and an inorganic filler, wherein when a loss tangent value of a non-interface component forming, of the cross-linked rubber ingredient, a portion other than an interface with the inorganic filler is represented as L(m) and a loss tangent value of an interface component forming, of the cross-linked rubber ingredient, an interface portion with the inorganic filler is represented as L(i), each loss tangent value being measured using an atomic force microscope in a state in which sinusoidal vibrations of 5 kHz are applied to the cross-linked rubber, the cross-linked rubber has a ratio L(i)/L(m) of 0.85 or less.
Eijun Ueda, Misako Asada, Hidenori Yamagishi
Filed: 21 Aug 17
Utility
Diphosphomevalonate decarboxylase variant and method for producing olefin compound by using the same
30 Mar 21
Mutations involving amino acid substitution were introduced into various sites of diphosphomevalonate decarboxylase (MVD), thus preparing a large number of MVD variants.
Ryoko Orishimo, Tomokazu Shirai, Kazuhiro Takahashi, Misao Hiza, Yusuke Tanabe
Filed: 26 Sep 17
Utility
Optical film and production method therefor, and polarizing plate
30 Mar 21
An optical film, wherein a photoelastic coefficient thereof is 1.5×10−13 (dyn/cm2)−1 or less, an in-plane retardation Re(560) thereof at a wavelength of 560 nm is 1.0 nm or less, an absolute value of a thickness-direction retardation Rth(560) thereof at a wavelength of 560 nm |Rth(560)| is 1.0 nm or less, a change of a ratio Re(560)/d that is a ratio of the in-plane retardation Re(560) at a wavelength of 560 nm relative to a thickness d, the change being a result of storage at a temperature of 60° C. and a humidity of 90% for 4 hours, is 0.5×10−5 or less, and a change of a ratio Rth(560)/d that is a ratio of the thickness-direction retardation Rth(560) at a wavelength of 560 nm relative to the thickness d, the change being a result of storage at a temperature of 60° C. and a humidity of 90% for 4 hours, is 0.5×10−5 or less.
Yasuhide Fujino
Filed: 5 Sep 17
Utility
Binder composition for secondary battery electrode, slurry composition for secondary battery electrode, electrode for secondary battery, and secondary battery
30 Mar 21
Provided is a binder composition for a secondary battery electrode that, when used in production of a slurry composition for a secondary battery electrode, enables favorable dispersion of an electrode active material and a conductive material in high concentration while ensuring coatability.
Naoki Takahashi
Filed: 28 Jun 16
Utility
Method of producing fibrous carbon nanostructures
23 Mar 21
A method of producing fibrous carbon nanostructures uses a fluidized bed process, and comprises supplying a source gas to a reaction site in which a supported catalyst having a particulate carrier and a catalyst supported on a surface of the carrier is fluidizing, to form fibrous carbon nanostructures on the catalyst of the supported catalyst, wherein the source gas contains a double bond-containing hydrocarbon and carbon dioxide, and a content of the carbon dioxide is 0.3 vol % or more with respect to a total volume of the source gas.
Suguru Noda, Soichiro Hachiya, Zhongming Chen, Takayoshi Hongo
Filed: 20 Jan 17
Utility
Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product
23 Mar 21
Kei Sakamoto, Kumi Okuyama
Filed: 16 Jul 19
Utility
Toner for developing electrostatic images
23 Mar 21
A toner which is less likely to cause toner leakage and which is less likely to cause aggregation after being left to stand under a high temperature condition.
Kojiro Akazaki, Junichi Takashima
Filed: 20 Sep 17
Utility
Optical film and polarizing plate
9 Mar 21
An optical film having a heat resistance of 120° C. or higher, a tear strength of 1.5 N/mm or more, a water vapor transmission rate of 50 g/m2·day or less, and having absolute values |Re| and |Rth| of an in-plane retardation Re and a thickness-direction retardation Rth each being 1 nm or less; and a polarizing plate having the same.
Yasuhide Fujino
Filed: 14 Nov 16
Utility
Nitrile rubber composition and rubber cross-linked product
9 Mar 21
A nitrile rubber composition including: a carboxyl group-containing nitrile rubber containing 5 to 30% by weight of an α,β-ethylenically unsaturated nitrile monomer unit, 0.1 to 10% by weight of a carboxyl group-containing monomer unit, 15 to 60% by weight of an α,β-ethylenically unsaturated monocarboxylic acid ester monomer unit, and 20 to 64.9% by weight of a conjugated diene monomer unit and having an iodine value of 120 or less; and a reactive silicone oil.
Yoshio Fukumine
Filed: 13 Mar 17
Utility
Mixture of polymerizable compound and method of producing the same
2 Mar 21
Kei Sakamoto, Kumi Okuyama, Kanako Sanuki
Filed: 16 Jan 20
Utility
Polymer latex production method
2 Mar 21
A method for producing a polymer latex, including an emulsification step of emulsifying a polymer solution obtained by dissolution of synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer having a molecular weight distribution of 1.0 to 2.6 in an organic solvent, in water in the presence of a surfactant, to thereby obtain an emulsified liquid, wherein as the synthetic polyisoprene and/or styrene-isoprene-styrene block copolymer, used are/is synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer which, when dissolved in an organic solvent to thereby be formed into a polymer solution having a viscosity at a temperature of 60° C. of 20,000 cps, have/has a solid content concentration in the range of 10 to 60% by weight.
Hidetake Ishii, Junji Kodemura
Filed: 26 Jan 17
Utility
Optically anisotropic laminate, polarizing plate, and image display device
2 Mar 21
An optically anisotropic layered body including a first optically anisotropic layer and a second optically anisotropic layer, wherein each of refractive indices of the second optically anisotropic layer, in-plane retardations of the first optically anisotropic layer, thickness direction retardations of the second optically anisotropic layer, in-plane retardations of the optically anisotropic layered body, NZ factors of the optically anisotropic layered body, and thickness direction retardations Rth of the optically anisotropic layered body satisfies specific relationships.
Kazuhiro Osato, Masashi Aimatsu
Filed: 2 Aug 17
Utility
Composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, non-aqueous secondary battery, and method of producing electrode for non-aqueous secondary battery
23 Feb 21
Provided is a composition for a non-aqueous secondary battery functional layer capable of forming a functional layer for a non-aqueous secondary battery that has excellent adhesiveness after immersion in electrolyte solution and can cause a non-aqueous secondary battery to display excellent cycle characteristics and output characteristics.
Kenji Arai, Keiichiro Tanaka, Kazuki Asai
Filed: 2 Aug 17
Utility
Nonaqueous secondary battery porous film composition, nonaqueous secondary battery porous film, and nonaqueous secondary battery
23 Feb 21
A composition for a non-aqueous secondary battery porous membrane including inorganic particles and a particulate polymer, wherein a volume-average particle diameter d0 of the inorganic particles is 0.1 μm or more and 1.0 μm or less, a weight ratio between the inorganic particles and the particulate polymer is within a range of 95:5 to 50:50, and a volume-average particle diameter d1 of the particulate polymer and the volume-average particle diameter d0 of the inorganic particles satisfy d1/d0>1; and a non-aqueous secondary battery including the same.
Takumi Sugimoto
Filed: 14 Jul 17
Utility
Solar cell module
16 Feb 21
A solar cell module (100) includes: a barrier packaging material (13A, 13B) that is sealed by a seal (14) and encloses a connected body including one or more cells; and lead-out electrodes (11A, 11B).
Takatoshi Matsuo, Yuki Hayashi, Midori Yamaai
Filed: 4 Aug 17
Utility
Copolymer latex
2 Feb 21
A copolymer latex of a copolymer comprising 50 to 88 wt % of a conjugated diene monomer unit, 10 to 40 wt % of an ethylenically unsaturated nitrile monomer unit, and 2 to 10 wt % of an ethylenically unsaturated acid monomer unit, the copolymer latex having an insoluble content in methyl ethyl ketone of 70 wt % or less and a swelling degree in methyl ethyl ketone of 40 times or more when the copolymer is formed into a dry film.
Naohiro Igari, Shinji Kato
Filed: 24 Mar 17
Utility
Polyether polymer composition and sheet
2 Feb 21
A polyether polymer composition containing 200 parts by weight or more of a metal-containing powder per 100 parts by weight of a polyether polymer having an oxirane monomer unit is provided.
The Ban Hoang, Shigetaka Hayano, Keisuke Ohta
Filed: 27 Mar 17
Utility
Binder for non-aqueous secondary battery electrode, slurry for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery
2 Feb 21
Provided is a binder for an electrode that enables production of a slurry for an electrode that has excellent dispersibility and can cause a secondary battery to display excellent output characteristics and high-temperature cycle characteristics.
Tomoya Murase, Masahiro Onoe
Filed: 9 Mar 17