Patents Assigned to Ube Industries
  • Patent number: 8552109
    Abstract: Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: October 8, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Taku Nakamura, Masahiro Naiki, Atsushi Morikami, Fumio Adachi, Manabu Takahashi
  • Patent number: 8546599
    Abstract: The disclosed subject matter relate to a di-tert-butylphenyl alkylsulfonate compound, tert-butylphenyl alkylsulfonate compound, di-tert-butylphenyl arylsulfonate compound or tert-butylphenyl arylsulfonate compound useful as an intermediate raw material of a pharmaceutical, agricultural chemical, electronic material or polymer material and the like, or as a battery material, and also provides a nonaqueous electrolytic solution for a lithium secondary battery having superior cycle performance and other battery properties through the use thereof, and a lithium secondary battery. The disclosed embodiments further relate to a nonaqueous electrolytic solution for use as in a lithium secondary battery containing, in a nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, 0.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: October 1, 2013
    Assignee: Ube Industries, Ltd.
    Inventor: Koji Abe
  • Patent number: 8541615
    Abstract: Disclosed is a method for producing a biphenyltetracarboxylic acid ester by oxidative coupling a phthalic acid ester by using a catalyst comprising at least a palladium salt, a copper salt and a ?-dicarbonyl compound in the presence of a molecular oxygen, wherein the ?-dicarbonyl compound is supplied into a reaction mixture liquid intermittently at an interval of less than 30 minutes, or continuously. This method allows, in particular, the selective and economical production of an asymmetric biphenyltetracarboxylic acid tetraester such as 2,3,3?,4?-biphenyltetracarboxylic acid tetraester.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: September 24, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Masayuki Nishio, Hiroaki Imajima, Takato Nakamura, Yoshihiro Yamauchi
  • Patent number: 8530080
    Abstract: A nonaqueous electrolytic solution that provides a lithium secondary battery with excellent electrical capacity, cycling properties, storage properties and other battery characteristics and that maintains the battery characteristics for a long time; and a lithium secondary battery comprising it. A nonaqueous electrolytic solution comprising an electrolytic salt dissolved in a nonaqueous solvent, containing 0.1 to 10% by weight of an ethylene carbonate derivative represented by the general formula (I), and 0.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 10, 2013
    Assignee: UBE Industries, Ltd.
    Inventors: Koji Abe, Takaaki Kuwata
  • Patent number: 8530645
    Abstract: This invention relates to a process for producing an amide compound by Beckmann rearrangement of an oxime compound using a compound having at least two electron-withdrawing leaving groups as a rearrangement catalyst, the process comprising a pre-preparation step in which the rearrangement catalyst and at least a part of the oxime compound are mixed and reacted; and a rearrangement reaction step in which the oxime compound is rearranged at a temperature higher than that in the pre-preparation step.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: September 10, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Junichi Kugimoto, Tsunemi Sugimoto
  • Patent number: 8518550
    Abstract: A polyimide wherein a tetracarboxylic dianhydride including 3,3?,4,4?-phenyltetracarboxylic dianhydride as the essential component is the starting tetracarboxylic dianhydride component, and an amine comprising between 0.5 and 30 mole percent of a diamine represented by the following general formula is the starting diamine component. (wherein A is a direct bond or a crosslinking group, and R1-R4 each represent a substituent). It is possible to obtain a polyimide, a polyimide film and a laminated body with an improved adhesion property and an improved moisture permeation rate, even without surface treatment, comprising, as the essential tetracarboxylic dianhydride, 3,3?,4,4?-biphenyltetracarboxylic dianhydride which has conventionally only yielded polyimides with low adhesive strength.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: August 27, 2013
    Assignee: UBE Industries, Ltd.
    Inventors: Hiroaki Yamaguchi, Masato Murakami, Masafumi Kohda
  • Patent number: 8518300
    Abstract: A ?-sialon phosphor particle in which Eu (europium) is solid-soluted in a crystal having a ?-type Si3N4 crystal structure, wherein the median diameter (D50) in the particle size distribution curve of the primary particle is from 3.0 to 10 ?m and the aspect ratio is less than 1.5.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: August 27, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Takuma Sakai, Shin-ichi Sakata
  • Patent number: 8512897
    Abstract: Provided are (1) a novel phenyl sulfonate compound, (2) a nonaqueous electrolytic solution comprising an electrolyte salt dissolved in a nonaqueous solvent and containing a phenyl sulfonate compound of the following general formula (II) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution, and (3) a lithium battery containing the nonaqueous electrolytic solution and excellent in low-temperature cycle property. (wherein X1 to X5 each independently represents a fluorine atom or a hydrogen atom, and from one to four of these are fluorine atoms; R2 represents a linear or branched alkyl group having from 1 to 6 carbon atoms, a linear or branched alkyl group having from 1 to 6 carbon atoms in which at least one hydrogen atom is substituted with a halogen atom, or an aryl group having from 6 to 9 carbon atoms).
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: August 20, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Koji Abe, Kazuhiro Miyoshi
  • Patent number: 8513472
    Abstract: There is provided a process for preparing 1,6-hexanediol by esterifying a carboxylic acid mixture resulted from oxidation of cyclohexane with oxygen, and then hydrogenating the esters, which substantially does not contain a compound leading to a high ester value.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: August 20, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Hirofumi Li, Tomoyuki Itou, Yoshiki Kawamura, Toshiyuki Matsushita
  • Patent number: 8497624
    Abstract: An Li-containing ?-sialon phosphor particle by mixing a silicon nitride or nitrogen-containing silicon compound powder, an AlN-containing aluminum source, an Li source and an Eu source, firing the mixture at 1,500 to 1,800° C. in a nitrogen-containing inert gas atmosphere under atmospheric pressure to obtain a lithium-containing ?-sialon powder working out to a starting material, adding and mixing an additional lithium source to the powder, and re-firing the obtained mixture at a temperature lower than the above firing temperature or at a temperature of 1,100° C. to less than 1,600° C., at 1,100° C. to less than 1,600° C., in a nitrogen-containing inert gas atmosphere under atmospheric pressure.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: July 30, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Shin-ichi Sakata, Hiroshi Oda, Hiroshi Fujino
  • Publication number: 20130172520
    Abstract: Provided is a polyoxamide resin which has excellent impact resistance and is characterized in that the polyoxamide resin is obtained from a diamine in which the diamine component has 10 to 18 carbons and in that the polyoxamide resin has a relative viscosity (?r) of 2.1 or greater as determined at 25° C. using 96% sulfuric acid as a solvent and a solution having a concentration of 1.0 g/dL, and also provided is an impact-resistant part comprising this resin. The polyoxamide resin has a higher molecular weight than a conventional polyoxamide resin, a large moldable temperature range as estimated from the difference between the melting point and the thermal decomposition temperature and therefore excellent molten moldability, and furthermore excellent impact resistance when compared to a conventional aliphatic polyoxamide resin without losing the low water absorbency, chemical resistance, hydrolysis resistance, high elasticity, and high strength seen with aliphatic straight-chain polyoxamide resins.
    Type: Application
    Filed: September 15, 2011
    Publication date: July 4, 2013
    Applicant: Ube Industries, Ltd.
    Inventors: Shuichi Maeda, Kouichiro Kurachi, Hiroshi Okushita, Yasunari Hanaoka, Naoyasu Yabu, Tomoyuki Nakagawa
  • Publication number: 20130149612
    Abstract: The present invention provides an electrode material for a secondary battery wherein the inside and the surface of a lithium-titanium complex oxide is composited with a fine carbon fiber as a network.
    Type: Application
    Filed: August 25, 2011
    Publication date: June 13, 2013
    Applicant: UBE Industries, Ltd.
    Inventors: Hirofumi Takemoto, Kazuo Hashimoto, Atsuo Hitaka
  • Publication number: 20130140490
    Abstract: Provided are: a silicon nitride powder for siliconitride phosphors with higher luminance, which can be used for a fluorescent display tube (VFD), a field emission display (FED), a plasma display panel (PDP), a cathode ray tube (CRT), a light emitting diode (LED), and the like; a CaAlSiN3 phosphor, an Sr2Si5N8 phosphor, an (Sr, Ca)AlSiN3 phosphor and an La3Si6N11 phosphor, each using the silicon nitride powder; and methods for producing the phosphors. The present invention relates to a silicon nitride powder for siliconitride phosphors, which is characterized by being a crystalline silicon nitride powder that is used as a starting material for producing a siliconitride phosphor that includes silicon element and nitrogen element but does not contain oxygen element as a constitutent element, and which is characterized by having an oxygen content of 0.2% by weight to 0.
    Type: Application
    Filed: July 29, 2011
    Publication date: June 6, 2013
    Applicant: Ube Industries, Ltd.
    Inventors: Masataka Fujinaga, Takayuki Ueda, Takuma Sakai, Shinsuke Jida
  • Patent number: 8450319
    Abstract: The present invention discloses a pyrrolopyridazinone compound represented by the formula (1): useful, for example, as an anti-inflammatory agent or an inhibitor of respiratory tract contraction.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: May 28, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Masahiko Hagihara, Masayuki Tanaka, Tetsushi Katsube, Makoto Okudo, Noriaki Iwase, Manabu Shigetomi, Tomoko Kanda, Takayuki Nakanishi
  • Patent number: 8450508
    Abstract: The present invention relates to [1] a method for keeping a quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal useful as a perfume, which comprises incorporating from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene in the 2-methyl-3-(3,4-methylenedioxyphenyl)propanal; [2] a process for producing 2-methyl-3-(3,4-methylenedioxyphenyl)propanal having a content range from 50 to 3000 ppm of 1-acetyl-3,4-methylenedioxybenzene; and [3]2-methyl-3-(3,4-methylenedioxyphenylpropanal having a content range from 50 to 3000 ppm of of 1-acetyl-3,4-methylenedioxybenzene.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: May 28, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Takashi Doi, Yoshihiro Yoshida, Eiji Sajiki, Satoru Fujitsu
  • Patent number: 8440349
    Abstract: The present invention provides a nonaqueous electrolytic solution exhibiting excellent battery characteristics such as electrical capacity, cycle property and storage property and capable of maintaining the battery characteristics for a long time, and a lithium secondary battery using the nonaqueous electrolytic solution. A nonaqueous electrolytic solution for a lithium secondary battery, in which an electrolyte salt is dissolved in a nonaqueous solvent, containing 0.1 to 10% by weight of an ethylene carbonate derivative represented by the general formula (I) shown below, and 0.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: May 14, 2013
    Assignee: UBE Industries, Ltd.
    Inventors: Koji Abe, Takaaki Kuwata
  • Publication number: 20130109559
    Abstract: Provided are a high-activity photocatalyst fiber and a production method thereof. The photocatalyst fiber is a silica-based composite oxide fiber including a composite oxide phase of an oxide phase (first phase) mainly including a silica component and a metal oxide phase (second phase) including a metal other than silica, in which the ratio of at least one or more metal elements present in a metal oxide constituting the metal oxide phase (second phase) increases gradiently toward the fiber surface, a metal constituting the metal oxide phase (second phase) is formed in the form of particles, mesopores having an average micropore diameter of 2 nm to 30 nm are formed between the particles from the fiber surface toward the inside of the fiber, and platinum (Pt) particles having an average particle diameter of 0.5 nm to 10 nm are supported inside the mesopores.
    Type: Application
    Filed: March 3, 2011
    Publication date: May 2, 2013
    Applicant: Ube Industries, Ltd.
    Inventors: Kouichirou Suyama, Hiroyuki Yamaoka, Yoshikatsu Harada, Teruaki Fujii, Shinichirou Otani, Sadayoshi Suhara
  • Patent number: 8420211
    Abstract: Disclosed is a porous polyimide membrane of a three-layer structure having two surface layers (a) and (b) and a macrovoid layer interposed between the surface layers (a) and (b), wherein the macrovoid layer has a partition wall joined to the surface layers (a) and (b) and plural macrovoids surrounded by the partition wall and the surface layers (a) and (b), with an average void diameter in a membrane plane direction of from 10 to 500 ?m; each of the partition wall of the macrovoid layer and the surface layers (a) and (b) has a thickness of from 0.1 to 50 ?m and has plural pores having an average pore diameter of from 0.01 to 5 ?m, the pores being communicated with each other and also communicated with the macrovoids; and the membrane has a total membrane thickness of from 5 to 500 ?m and a porosity of from 70 to 95%.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: April 16, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Shyusei Ohya, Makoto Matsuo
  • Publication number: 20130088143
    Abstract: Provided are a ceramic composite for light conversion, which is capable of maintaining a high radiant flux even when the proportion of Gd and Ce is increased to tune the fluorescence peak wavelength to the longer wavelength side, a process for producing the ceramic composite, and a light emitting device including the ceramic composite.
    Type: Application
    Filed: March 14, 2011
    Publication date: April 11, 2013
    Applicant: Ube Industries, Ltd.
    Inventors: Hideki Ohtsubo, Shin-ichi Sakata, Shinichi Ishitobi, Yasuyuki Ichizono, Norifumi Miyamoto, Hisayoshi Iba
  • Patent number: 8415024
    Abstract: An organic liquid is applied to both sides of a self-supporting film of a polyimide precursor solution, and then the self-supporting film is heated to effect imidization, thereby providing a polyimide film with reduced surface roughness.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: April 9, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Hideki Iwai, Kazuyuki Hamada, Yasuhiro Nagoshi