Patents by Inventor Masanori Ikeda

Masanori Ikeda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6284412
    Abstract: Disclosed is a novel hybrid polymeric electrolyte formed of a closed-cell cellular polymer foam impregnated with a non-aqueous electrolytic liquid, which comprises a plurality of closed cells defined by cell walls constituting a continuous solid-phase matrix which is impregnated with the non-aqueous electrolytic liquid to form a continuous solid-phase domain, in which the plurality of closed cells are substantially filled with a non-aqueous electrolytic liquid to form a plurality of liquid phase domains which are dispersed in the above-mentioned continuous solid-phase domain. The hybrid polymeric electrolyte of the present invention has not only high ionic conductivity and high mechanical strength, but also has the ability to prevent the non-aqueous electrolytic liquid from leakage. The non-aqueous electrochemical device comprising the hybrid polymeric electrolyte of the present invention exhibits excellent electrochemical performance, and also retains electrolytic liquid well.
    Type: Grant
    Filed: March 9, 1998
    Date of Patent: September 4, 2001
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Takashi Minakata, Masanori Ikeda, Toshio Imauti, Masakatsu Kuroki
  • Patent number: 5693748
    Abstract: A high molecular weight polyimidoylamidine having an intrinsic viscosity of from 0.25 dl/g to 0.60 dl/g and a high molecular weight polytriazine derived therefrom having an intrinsic viscosity of from 0.25 dl/g to 0.65 dl/g are disclosed. A polyimidoylamidine having a molecular weight in a wide range, including high molecular weight, can advantageously be obtained by reacting a perfluoropolyether dinitrile with ammonia and reacting the resultant reaction product with a specific amount of a perfluoropolyether dinitrile. A terminal-stabilized polytriazine and its preparation methods are also disclosed. A polytrizine, which contains a nitrile group at side chains thereof and has an intrinsic viscosity within a specific range, is particularly suitable as a precursor of a perfluoroelastomer having excellent mechanical and chemical properties.
    Type: Grant
    Filed: November 2, 1994
    Date of Patent: December 2, 1997
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masanori Ikeda, Atsushi Aoshima, Hiroyuki Fukui
  • Patent number: 5547593
    Abstract: Disclosed is a lubricant oil composition comprising: (A) a fluorine-containing aromatic compound, and(B) an alkyl- or alkyl derivative-substituted aromatic compound having a kinetic viscosity of from 0.1 to 500 cSt as measured at 40 .degree. C., wherein:the compound (A) is represented by the formula:R(XR.sub.f).sub.n (A)wherein X represents an oxygen or a sulfur atom; n is an integer of from 1 to 4; R represents an n-valent, unsubstituted or substituted aromatic group having from 6 to 60 carbon atoms; and R.sub.f represents an unsubstituted or partially substituted fluorocarbon group having from 1 to 25 carbon atoms; andthe compound (B) comprises at least one substituted aromatic nucleus, wherein a substituent is an unsubstituted or substituted alkyl group having from 1 to 30 carbon atoms, or a derivative thereof. The lubricant oil composition having a kinetic viscosity of from 2 to 500 cSt as measured at 40.degree. C.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: August 20, 1996
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Kenichi Sanechika, Hiroyuki Fukui, Masanori Ikeda
  • Patent number: 5276189
    Abstract: A process for the treatment of a quaternary onium salt is described. The process comprises the steps of (i) contacting an organic phase soaringly miscible in water containing a quaternary onium fluorine-containing carboxylate of RfCO.sub.2.sup.-+ AR.sup.1 R.sup.2 R.sup.3 R.sup.4 as defined in the present Specification with an aqueous phase containing a thiocyanate ion to form a quaternary onium thiocyanate in the organic phase and (ii) contacting the organic phase containing the quaternary onium thiocyanate with an aqueous solution containing a water-soluble oxidizing agent to decompose the thiocyanate ion and to form an easily ion exchangeable quaternary onium salt. Also, applications of this treatment to a process for preparing hexafluoropropylene oxide from hexafluoropropylene in a two-phase system of an aqueous phase and an organic phase by using a hypochlorite as an oxidizing agent in the presence of a quaternary onium salt as a catalyst are described.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: January 4, 1994
    Assignee: Asahi Kasei Kogyo K.K.
    Inventors: Masanori Ikeda, Yoshio Suzuki, Atsushi Aoshima
  • Patent number: 5221494
    Abstract: A lubricant for use in a refrigeration system using a tetrafluoroethane refrigerant, which comprises a fluorine-containing compound represented by the following formula: ##STR1## wherein X represents a multiple bond-containing monovalent group, and A represents a mono-, bi- or trivalent unsubstituted or partially substituted perfluorocarbon residue, a mono, bi- or trivalent unsubstituted or partially substituted perfluoroether residue or a mono-, bi- or trivalent unsubstituted or partially substituted perfluoropolyether residue.This lubricant has a good miscibility with a tetrafluoroethane refrigerant as represented by HFC-134a over a wide range of temperatures ranging from the low temperature to the high temperature and is excellent in properties, such as heat resistance, lubricating properties, electrically insulating properties and viscosity-temperature characteristics.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: June 22, 1993
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masanori Ikeda, Hiroyuki Fukui, Yoshio Suzuki
  • Patent number: 5055601
    Abstract: A process for epoxidation of a fluoro-olefin is disclosed. The process comprises epoxidizing a fluoro-olefin represented by the general formula (I): ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3 each represents a substituent selected from (a)--F, (b) a perfluoroalkyl group having 2 to 20 carbon atoms and (c) --CF.sub.2 Y.sup.1, Y.sup.1 may be the same or different and represents a substituent selected from (d) a halogen atom selected from F, Cl, Br and I, (e) --OZ.sup.1 and (f) --Z.sup.1, wherein Z.sup.1 may be the same or different and represents a substituted or unsubstituted hydrocarbon group having not more than 20 carbon atoms, and X.sup.1, X.sup.2, X.sup.3 and Y.sup.1 may be combined with one another to form a cyclic compound, provided that all of X.sup.1, X.sup.2, X.sup.3 and Y.sup.1 do not represent --F; using a hypochlorite dissolved or suspended in an aqueous phase as an oxidizing agent in the presence or absence of an inorganic base.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: October 8, 1991
    Assignee: Asahi Kasei Kogyo K.K.
    Inventors: Masanori Ikeda, Morikazu Miura, Atsushi Aoshima
  • Patent number: 4965379
    Abstract: A process for epoxidation of a fluoro-olefin is disclosed. The process comprises epoxidizing a fluoro-olefin represented by the general formula (I): ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3 each represents a substituent selected from (a) --F, (b) a perfluoroalkyl group having 2 to 20 carbon atoms and (c) --CF.sub.2 Y.sup.1, Y.sup.1 may be the same or different and represents a substituent selected from (d) a halogen atom selected from F, Cl, Br and I, (e) --OZ.sup.1 and (f) --Z.sup.1, wherein Z.sup.1 may be the same or different and represents a substituted or unsubstituted hydrocarbon group having not more than 20 carbon atoms, and X.sup.1, X.sup.2, X.sup.3 and Y.sup.1 may be combined with one another to form a cyclic compound, provided that all of X.sup.1, X.sup.2, X.sup.3 and Y.sup.1 do not represent --F; using a hypochlorite dissolved or suspended in an aqueous phase as an oxidizing agent in the presence or absence of an inorganic base.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: October 23, 1990
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masanori Ikeda, Morikazu Miura, Atsushi Aoshima
  • Patent number: 4925961
    Abstract: A process for producing hexafluoropropylene oxide from hexafluoropropylene is described. The process comprises epoxidizing hexafluoropropylene in a two-phase system of an aqueous phase and an organic phase by the use of a hypochlorite as an oxidizing agent, the hypochlorite being dissolved or dispersed in the aqueous phase, in the presence of at least one catalyst selected from the group consisting of (a) quaternary ammonium salts, (b) quaternary phosphonium salts, (c) quaternary arsonium salts, and (d) lipophilic complexing agents for cations contained in the hypochlorite, and also, in the presence or absence of an inorganic base.
    Type: Grant
    Filed: May 3, 1989
    Date of Patent: May 15, 1990
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masanori Ikeda, Morikazu Miura, Atsushi Aoshima
  • Patent number: 4902810
    Abstract: A process for producing hexafluoropropylene oxide from hexafluoropropylene is described. The process comprises epoxidizing hexafluoropropylene in a two-phase system of an aqueous phase and an organic phase by the use of a hypochlorite as an oxidizing agent, the hypochlorite being dissolved or dispersed in the aqueous phase, in the presence of at least one catalyst selected from the group consisting of (a) quaternary ammonium salts, (b) quaternary phosphonium salts, (c) quaternary arsonium salts, and (d) lipophilic complexing agents for cations contained in the hypochlorite, and also, in the presence or absence of an inorganic base.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: February 20, 1990
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Masanori Ikeda, Morikazu Miura, Atsushi Aoshima
  • Patent number: 4113970
    Abstract: 1,4-Diacyloxybutene-2 is produced with a high yield by reacting 1,3-butadiene with a carboxylic acid, for example, acetic acid, and molecular oxygen in the presence of a catalyst containing metallic palladium and at least one iodine-containing substance selected from the group consisting of iodine, iodic acid, iodates, for example, alkali metal iodates and substituted and unsubstituted ammonium iodate, and iodides, for example, hydrogen iodide, alkali metal iodide and substituted and unsubstituted ammonium iodides, the ratio in gram-atom, of iodine to palladium in the above-mentioned catalyst being 0.1 to 1.5:1.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: September 12, 1978
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masanori Tanabe, Masanori Ikeda, Nobuhiro Tamura