Patents Assigned to Ube Industries
  • Friction material and resin composition for friction material
    Patent number: 8748509
    Abstract: A friction material characterized by using a resin composition for friction materials, the resin composition containing, as a binder, an aromatic imide oligomer having an addition-reactive group at an end thereof. Also described is a resin composition for friction materials, containing: a powder of an aromatic imide oligomer having an addition-reactive group at an end thereof; at least one type of fiber selected from the group consisting of carbon fiber, aramid fiber, glass fiber, ceramic fiber, and metal fiber; and an inorganic filler. The friction material and a resin composition for friction materials have good formability and in which the binder itself has excellent heat resistance and mechanical properties, compared to a friction material using a phenolic resin as a binder.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: June 10, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Hideki Ozawa, Mitsushi Taguchi
  • Asymmetric hollow fiber gas separation membrane
    Patent number: 8734568
    Abstract: The present invention relates to an asymmetric hollow fiber membrane for gas separation made of a soluble aromatic polyimide, wherein an orientation index is 1.3 or less, a separation coefficient ?(P?O2/P?N2) as a permeation rate ratio of oxygen gas/nitrogen gas at 40° C. is 5.3 or more, and a tensile fracture elongation is 15% or more.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 27, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Hiroki Hisamori, Tatsuya Hayashi, Seiji Morihashi, Tomonori Kanougi
  • Process for producing pigment-containing curable resin solution composition, pigment dispersed liquid, and pigment-containing curable resin solution composition
    Patent number: 8735467
    Abstract: A process for producing a pigment-containing curable resin solution composition which comprises a pigment and a modified polysiloxane is disclosed. The process comprises the steps of: (a) preparing a pigment-dispersed liquid, wherein a pigment is dispersed in an organic solvent in the presence of a first modified polysiloxane; and (b) mixing the pigment-dispersed liquid with a resin solution which comprises at least a second modified polysiloxane. This process provides a pigment-containing curable resin solution composition with excellent dispersion stability of pigment.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: May 27, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Tooru Murakami, Koji Hayashi, Seiichirou Takabayashi, Nobuhiro Shigetomi
  • METHOD FOR PRODUCING POLYIMIDE LAMINATE, AND POLYIMIDE LAMINATE
    Publication number: 20140134428
    Abstract: A method for producing a polyimide laminate, including forming a thin film of a polyamic acid solution composition on a substrate; and heating the obtained laminate of the substrate and the thin film of the polyamic acid solution composition at least at a temperature of from more than 150° C. to less than 200° C. for 10 minutes or more, and then heating the laminate at the highest temperature of from 400° C. to 550° C., to form a polyimide layer having a thickness of less than 50 ?m on the substrate.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 15, 2014
    Applicant: Ube Industries, Ltd.
    Inventors: Tomonori Nakayama, Takeshige Nakayama
  • Non-aqueous electrolytic solution for lithium secondary battery and lithium secondary battery using the same
    Patent number: 8722255
    Abstract: A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: May 13, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Koji Abe, Kazuhiro Miyoshi, Takaaki Kuwata
  • METHOD FOR PRODUCING POLYIMIDE LAMINATE, AND POLYIMIDE LAMINATE
    Publication number: 20140127497
    Abstract: A polyimide laminate obtained by casting a polyamic acid solution composition including a phosphorus compound and a polyamic acid, which is obtained from a tetracarboxylic acid component comprising 3,3?,4,4?-biphenyltetracarboxylic dianhydride as the main component and a diamine component comprising p-phenylenediamine as the main component, on a substrate; and then heating the polyamic acid solution composition to form a polyimide layer having a thickness of less than 50 ?m on the substrate.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 8, 2014
    Applicant: Ube Industries, Ltd.
    Inventors: Tomonori Nakayama, Takeshige Nakayama
  • Method for designing sunlight-reflection and heat-radiation multilayer film
    Patent number: 8712736
    Abstract: A design method for a thermal control film advantageously used in cosmic space, especially for a multilayer film, includes: setting at least two candidate materials for forming the multilayer film and the number of layers of the multilayer film; and designing a combination of the candidate material and a layer thickness by using a genetic algorithm stored in a computer-readable medium using an evaluation function, and recording the obtained results on a computer-readable medium. The evaluation function includes: ?s=1?Rs, wherein Rs represents a reflectance of solar energy in a wavelength range used for design, within a solar radiation wavelength range; and ?H: ?H=1?RIR, wherein RIR represents a reflectance of heat radiation energy in a wavelength range used for design, within a heat radiation wavelength range.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: April 29, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Akira Ohnishi, Sumitaka Tachikawa
  • Substituted phenylsulfur trifluoride and other like fluorinating agents
    Patent number: 8710270
    Abstract: Novel substituted phenylsulfur trifluorides that act as fluorinating agents are disclosed. Also disclosed are methods for their preparation and methods for their use in introducing one or more fluorine atoms into target substrate compounds. Finally, various intermediate compounds for use in preparing substituted phenylsulfur trifluorides are provided.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: April 29, 2014
    Assignee: Ube Industries, Ltd.
    Inventor: Teruo Umemoto
  • Polyimide short fibers and heat-resistant paper comprising same
    Patent number: 8709205
    Abstract: Disclosed are polyimide short fibers having an extremely high heat resistance, suitable for non-woven fabrics and paper, and having many branches. Specifically, disclosed are polyimide short fibers having many branches, which are produced by beating and loosening a specific foamed polyimide material. The foamed material preferably comprises a polyimide produced using 2,3,3?,4?-biphenyltetracarboxylic acid as an aromatic tetracarboxylic acid component, preferably has a glass transition temperature of 300° C. or higher, and preferably has an expansion ratio of 20 times or more.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: April 29, 2014
    Assignee: UBE Industries, Ltd.
    Inventors: Hideki Ozawa, Fumio Aoki
  • Method for producing a sulfonated polyarylether block copolymer
    Patent number: 8710176
    Abstract: A method of producing a sulfonated polyarylether block copolymer is provided. The method includes producing a sulfonated polyarylether block copolymer containing a hydrophobic segment having a structural unit represented by formula (5) and a hydrophilic segment having a structural unit having a sulfonic acid groups or derivative thereof incorporated into a structure represented by formula (6). A hydrophilic segment prepolymer having a sulfonic acid group in a potassium salt form and a hydrophobic segment prepolymer are block copolymerized. A proton conductor that includes the sulfonated polyarylether block copolymer is also provided.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: April 29, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Tetsuji Hirano, Nobuharu Hisano, Tatsuya Arai, Masayuki Kinouchi
  • METHOD FOR PRODUCING AMIDE COMPOUND
    Publication number: 20140114061
    Abstract: A method for producing a high purity, high quality amide compound, particularly a lactam. An amount of each of a halide, an aldehyde compound, an alcohol compound and a nitrile compound contained in a solution recycled into an oxime-forming step is controlled to an amount of 0.4 mol % or less based on the ketone as a starting material. One or more of a ketone, an oxime and an amide compound are purified by hydrogenation and/or crystallization for eliminating impurities containing a double bond. A content of impurities having a cyclic bridge structure is controlled using a cycloalkanone purified by recrystallization.
    Type: Application
    Filed: December 27, 2013
    Publication date: April 24, 2014
    Applicant: Ube Industries, Ltd.
    Inventors: Junichi Kugimoto, Joji Kawai, Kazuo Yamato, Masahide Okada, Tsunemi Sugimoto, Hiroshi Matsumoto
  • METHOD FOR PRODUCING AMIDE COMPOUND
    Publication number: 20140114062
    Abstract: A method for producing a high purity, high quality amide compound, particularly a lactam. An amount of each of a halide, an aldehyde compound, an alcohol compound and a nitrile compound contained in a solution recycled into an oxime-forming step is controlled to an amount of 0.4 mol % or less based on the ketone as a starting material. One or more of a ketone, an oxime and an amide compound are purified by hydrogenation and/or crystallization for eliminating impurities containing a double bond. A content of impurities having a cyclic bridge structure is controlled using a cycloalkanone purified by recrystallization.
    Type: Application
    Filed: December 27, 2013
    Publication date: April 24, 2014
    Applicant: Ube Industries, Ltd.
    Inventors: Junichi Kugimoto, Joji Kawai, Kazuo Yamato, Masahide Okada, Tsunemi Sugimoto, Hiroshi Matsumoto
  • NON-AQUEOUS ELECTROLYTIC SOLUTION, ELECTRICAL STORAGE DEVICE UTILIZING SAME, AND CYCLIC SULFONIC ACID ESTER COMPOUND
    Publication number: 20140093787
    Abstract: An object of the present invention is to provide a nonaqueous electrolytic solution capable of improving electrochemical characteristics in a broad temperature range, an energy storage device using it. A nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, which comprises at least one cyclic sulfonic acid ester compound represented by the following general formula (I), and an energy storage device.
    Type: Application
    Filed: April 25, 2012
    Publication date: April 3, 2014
    Applicant: UBE Industries, Ltd.
    Inventors: Koji Abe, Shoji Shikita
  • Medical composition for treatment or prophylaxis of glaucoma
    Patent number: 8685986
    Abstract: The present invention is to provide a medical composition for the treatment or prophylaxis of glaucoma which comprises a pyridylaminoacetic acid compound represented by the formula (1): wherein R1, R2, R3, Y, and Z are defined in the specification.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: April 1, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Masahiko Hagihara, Kenji Yoneda, Eiji Okanari, Manabu Shigetomi
  • Composite substrate for formation of light-emitting device, light-emitting diode device and manufacturing method thereof
    Patent number: 8686455
    Abstract: A composite substrate for the formation of a light-emitting device, ensuring that a high-quality nitride-based light-emitting diode can be easily formed on its top surface and the obtained substrate-attached light-emitting diode functions as a light-emitting device capable of emitting light for an arbitrary color such as white, is provided.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: April 1, 2014
    Assignees: Ube Industries, Ltd., Riken
    Inventors: Yasuyuki Ichizono, Hideki Hirayama
  • Polyamic acid solution composition having carbon black dispersed therein, process for production of semiconductive polyimide resin belt using the composition, and semiconductive polyimide resin belt
    Patent number: 8686106
    Abstract: The present invention provides a carbon black-dispersed polyamic acid solution composition having a high solids content and a high carbon black content. The invention further provides an intermediate transfer belt using the polyamic acid solution composition. The carbon black-dispersed polyamic acid solution composition is obtained by uniformly dispersing carbon black in a polyamic acid solution obtained by reacting biphenyltetracarboxylic dianhydride and an aromatic diamine in an organic polar solvent. The biphenyltetracarboxylic dianhydride includes 2,3,3?,4?-biphenyltetracarboxylic dianhydride and 3,3?,4,4?-biphenyltetracarboxylic dianhydride. The aromatic diamine includes 4,4?-diaminodiphenyl ether and p-phenylenediamine. The polyamic acid solution has a solids content of 25 weight % or more.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: April 1, 2014
    Assignees: Gunze Limited, UBE Industries, Ltd.
    Inventors: Naoki Nishiura, Akira Ichino, Takashi Kuraoka, Toru Murakami, Takeshige Nakayama
  • Nonaqueous electrolyte for lithium battery and lithium battery using same
    Patent number: 8673508
    Abstract: A nonaqueous electrolytic solution for lithium battery comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a carboxylate compound represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution. (In the formula R1 and R2 each independently represent a hydrogen atom, or an alkyl group having from 1 to 6 carbon atoms; R3 represents a hydrogen atom, a methyl group, or a group —CH2CO2CR1R2C?CH (R1 and R2 have the same meaning as above).) A lithium battery uses the nonaqueous electrolytic solution having excellent cycle property and storage property.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: March 18, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Koji Abe, Kazuhiro Miyoshi
  • Polybutadiene, modified polybutadiene, method for producing both, and rubber-reinforced styrene resin composition using same
    Patent number: 8669339
    Abstract: Disclosed are a polybutadiene having a controlled microstructure, a narrow molecular weight distribution, minimal gel content, and a low APHA color, a modified polybutadiene, producing methods for both, and a rubber-reinforced styrene resin composition using the same. The polybutadiene of the present invention is characterized in that the ratio (Tcp/ML1+4) of a 5% toluene melting viscosity (Tcp) measured at 25° C. and the Mooney viscosity (ML1+4) at 100° C. is 2.0 or higher, the molecular weight distribution (Mw/Mn) is 2.80 or less, the gel content is 0.06 wt % or less, and the APHA color is 20 or less.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: March 11, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Yasuyoshi Okabe, Yuuji Matsudaira, Chaiyaket Vichuta, Toshiyuki Sakaguchi
  • Processes for preparing poly(pentafluorosulfanyl)aromatic compounds
    Patent number: 8653302
    Abstract: Novel processes for preparing poly(pentafluorosulfanyl)aromatic compounds are disclosed. Processes include reacting an aryl sulfur compound with a halogen and a fluoro salt to form a poly(halotetrafluorosulfanyl)aromatic compound. The poly(halotetrafluorosulfanyl)aromatic compound is reacted with a fluoride source to form a target poly(pentafluorosulfanyl)aromatic compound.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: February 18, 2014
    Assignee: UBE Industries, Ltd.
    Inventor: Teruo Umemoto
  • Pyridylaminoacetic acid compound
    Patent number: 8648097
    Abstract: The present invention provides a novel pyridylaminoacetic acid compound represented by the following formula (1): (wherein R1, R2, R3, Y and Z are as defined in the description and claims), or a pharmacologically acceptable salt thereof. The pyridylaminoacetic acid compound has EP2 agonistic action and is therefore useful as a therapeutic and/or prophylactic agent for respiratory diseases such as asthma or chronic obstructive pulmonary disease.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: February 11, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Ryo Iwamura, Masayuki Tanaka, Tetsushi Katsube, Manabu Shigetomi, Eiji Okanari, Yasunori Tokunaga, Hiroshi Fujiwara