Patents by Inventor Munehito Funaya

Munehito Funaya 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: 10336837
    Abstract: [Problem to be solved] There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. [Solution to problem] The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: July 2, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Munehito Funaya, Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka, Shinya Tanaka
  • Patent number: 10336838
    Abstract: [Problem to be solved] There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. [Solution to problem] The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: July 2, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Munehito Funaya, Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka, Shinya Tanaka
  • Patent number: 9896526
    Abstract: [Problem to be solved] There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. [Solution to problem] The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: February 20, 2018
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Munehito Funaya, Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka, Shinya Tanaka
  • Publication number: 20170327610
    Abstract: [Problem to be solved] There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. [Solution to problem] The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Application
    Filed: May 30, 2017
    Publication date: November 16, 2017
    Inventors: Munehito FUNAYA, Atsushi SAKUMA, Ikuko EBISAWA, Shinsuke KINOSHITA, Akiko MATSUMOTO, Hirokazu TANAKA, Shinya TANAKA
  • Publication number: 20170327611
    Abstract: [Problem to be Solved] There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. [Solution to Problem] The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Application
    Filed: May 30, 2017
    Publication date: November 16, 2017
    Inventors: Munehito FUNAYA, Atsushi SAKUMA, Ikuko EBISAWA, Shinsuke KINOSHITA, Akiko MATSUMOTO, Hirokazu TANAKA, Shinya TANAKA
  • Patent number: 9796799
    Abstract: [Object] To provide transition metal compounds with excellent catalytic activity which can afford olefin polymers such as propylene polymers that have high stereoregularity and high molecular weight and may be easily crystallized into a ?-phase. [Solution] The transition metal compound is represented by General Formula [I] or is an enantiomer thereof: [in Formula [I], R1, R3, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 and R16 are each independently a hydrogen atom, a hydrocarbon group, a hetero atom-containing hydrocarbon group, or a silicon-containing group; R2 is a hydrocarbon group, a hetero atom-containing hydrocarbon group, or a silicon-containing group; R4 is a hydrogen atom; any two substituents of the substituents R1 to R16 except R4 may be bonded to each other to form a ring; M is a Group IV transition metal; Q is a structure such as a halogen atom; and j is an integer of 1 to 4].
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: October 24, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Munehito Funaya
  • Publication number: 20160376385
    Abstract: [Problem to be solved] There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. Solution to problem The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Application
    Filed: June 28, 2016
    Publication date: December 29, 2016
    Inventors: Munehito FUNAYA, Atsushi SAKUMA, Ikuko EBISAWA, Shinsuke KINOSHITA, Akiko MATSUMOTO, Hirokazu TANAKA, Shinya TANAKA
  • Publication number: 20160304640
    Abstract: [Object] To provide transition metal compounds with excellent catalytic activity which can afford olefin polymers such as propylene polymers that have high stereoregularity and high molecular weight and may be easily crystallized into ?-phase. [Solution] The transition metal compound is represented by General Formula [I] or is an enantiomer thereof: [in Formula [I], R1, R3, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 and R16 are each independently a hydrogen atom, a hydrocarbon group, a hetero atom-containing hydrocarbon group, or a silicon-containing group; R2 is a hydrocarbon group, a hetero atom-containing hydrocarbon group, or a silicon-containing group; R4 is a hydrogen atom; any two substituents of the substituents R1 to R16 except R4 may be bonded to each other to form a ring; M is a Group IV transition metal; Q is a structure such as a halogen atom; and j is an integer of 1 to 4].
    Type: Application
    Filed: June 28, 2016
    Publication date: October 20, 2016
    Inventor: Munehito FUNAYA
  • Patent number: 9458257
    Abstract: There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: October 4, 2016
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Munehito Funaya, Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka, Shinya Tanaka
  • Patent number: 9458261
    Abstract: [Object] To provide transition metal compounds with excellent catalytic activity which can afford olefin polymers such as propylene polymers that have high stereoregularity and high molecular weight and may be easily crystallized into a ?-phase. [Solution] The transition metal compound is represented by General Formula [I] or is enantiomer thereof: [in Formula [I], R1, R3, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 and R16 are each independently a hydrogen atom, a hydrocarbon group, a heteroatom-containing hydrocarbon group, or a silicon-containing group; R2 is a hydrocarbon group, a hetero atom-containing hydrocarbon group, or a silicon-containing group; R4 is a hydrogen atom; any two substituents of the substituents R1 to R16 except R4 may be bonded to each other to form a ring; M is a Group IV transition metal; Q is a structure such as a halogen atom; and j is an integer of 1 to 4].
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: October 4, 2016
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Munehito Funaya
  • Publication number: 20150252123
    Abstract: [Object] To provide transition metal compounds with excellent catalytic activity which can afford olefin polymers such as propylene polymers that have high stereoregularity and high molecular weight and may be easily crystallized into a ?-phase. [Solution] The transition metal compound is represented by General Formula [I] or is enantiomer thereof: [in Formula [I], R1, R3, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 and R16 are each independently a hydrogen atom, a hydrocarbon group, a heteroatom-containing hydrocarbon group, or a silicon-containing group; R2 is a hydrocarbon group, a hetero atom-containing hydrocarbon group, or a silicon-containing group; is a hydrogen atom; any two substituents of the substituents R1 to R16 except R4 may be bonded to each other to form a ring; M is a Group IV transition metal; Q is a structure such as a halogen atom; and j is an integer of 1 to 4].
    Type: Application
    Filed: September 24, 2013
    Publication date: September 10, 2015
    Inventor: Munehito Funaya
  • Publication number: 20150239996
    Abstract: [Problem to be solved] There is provided a process for producing an olefin polymer that is capable of producing an olefin polymer having high heat resistance and high molecular weight with excellent catalytic activity. [Solution to problem] The process for producing an olefin polymer includes a step of polymerizing at least one olefin selected from ethylene and ?-olefins having 4 to 30 carbon atoms in the presence of an olefin polymerization catalyst containing a transition metal compound represented by the general formula [I], the olefin polymer including constituent units derived from ethylene and ?-olefins having 4 to 30 carbon atoms in a total amount between more than 50 mol % and not more than 100 mol %, [in the formula [I], R1, R3 and R5 to R16 are each independently a hydrogen atom, a hydrocarbon group or the like; R2 is a hydrocarbon group or the like; R4 is a hydrogen atom; M is a transition metal of Group IV; Q is a halogen atom or the like; and j is an integer of 1 to 4].
    Type: Application
    Filed: September 24, 2013
    Publication date: August 27, 2015
    Inventors: Munehito Funaya, Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka, Shinya Tanaka
  • Patent number: 8409480
    Abstract: [Problem] To provide a preparation process by which an organic alkali metal compound is obtained in a high yield and a process for preparing an organic transition metal compound using the organic alkali metal compound. [Means to solve the problem] A process for preparing an organic alkali metal compound, which is characterized by adding a compound represented by the following formula (2) in the reaction of an active proton-containing compound represented by the following formula (1) with an alkali metal compound. RHp ??(1) In the formula (1), R is a hydrocarbon group or an amino group and may contain a halogen atom, a silicon atom, an oxygen atom or a nitrogen atom, H is an active proton, and p is the number of hydrogen atoms abstracted in the reaction with the alkali metal compound.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: April 2, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Atsushi Sakuma, Munehito Funaya
  • Publication number: 20120049391
    Abstract: [Problem] To provide a preparation process by which an organic alkali metal compound is obtained in a high yield and a process for preparing an organic transition metal compound using the organic alkali metal compound. [Means to solve the problem] A process for preparing an organic alkali metal compound, which is characterized by adding a compound represented by the following formula (2) in the reaction of an active proton-containing compound represented by the following formula (1) with an alkali metal compound. RHp??(1) In the formula (1), R is a hydrocarbon group or an amino group and may contain a halogen atom, a silicon atom, an oxygen atom or a nitrogen atom, H is an active proton, and p is the number of hydrogen atoms abstracted in the reaction with the alkali metal compound.
    Type: Application
    Filed: December 2, 2008
    Publication date: March 1, 2012
    Inventors: Atsushi Sakuma, Munehito Funaya
  • Patent number: 7879960
    Abstract: A high molecular weight propylene polymer exhibiting high stereoregularity (isotactic) and high position selectivity can be effectively produced by polymerizing at least one monomer selected from propylene, ?-olefins and polyenes in the presence of a catalyst for olefin polymerization comprising: (A) a bridged metallocene compound represented by the General Formula [I] given in claims (diphenylmethylene(3-tert-butyl-5-ethyl-cyclopentadienyl)(fluorenyl)zirconium dichloride, etc.); and (B) one or more compound(s) selected from (b-1) an organoaluminumoxy compound (b-2) a compound which reacts with the bridged metallocene compound (A) to form an ion pair, and (b-3) an organoaluminum compound.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: February 1, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Munehito Funaya, Naritoshi Hirota, Mayumi Hiwara, Yasushi Tohi, Koji Kawai, Ryoji Mori, Masahiko Okamoto, Shigenobu Ikenaga, Hiromasa Marubayashi
  • Patent number: 7834204
    Abstract: Provided is a transition metal compound represented by the general formula [III]: wherein R23, R24, R25, R26, R27, and R28 are each independently selected from hydrogen, a hydrocarbon group, a silicon-containing group, a sulfur-containing group, an oxygen-containing group, a nitrogen-containing group, and a halogen-containing group, adjacent substituents of R23 to R28 are optionally bonded to each other to form a ring, M is a Group 4 transition metal, Y is carbon atom, Q is selected from halogen, a hydrocarbon group, an anionic ligand and a neutral ligand capable of coordinating with a lone electron pair, which is selected in the same combination or different combination, j is an integer of 1 to 4, and Z is a fluorenylidene group comprising a fluorene derivative formula [I] or formula [II]
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: November 16, 2010
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Munehito Funaya, Koji Endo, Naritoshi Hirota, Yuichi Yamamura, Koji Kawai
  • Patent number: 7803888
    Abstract: A novel olefin-based polymer has excellent thermal resistance, as well as excellent balance among various properties. The olefin-based polymer is an olefin-based polymer comprising 50 to 100% by weight of a constituent unit derived from 4-methyl-1-pentene, and 0 to 50% by weight of a constituent unit derived from at least one olefin selected from olefins having 2 to 20 carbon atoms except 4-methyl-1-pentene, and having the following properties: i) the diad isotacticity is 70% or greater, ii) the ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) as measured by gel permeation chromatography (GPC) is in the range of 1.0 to 3.5, and iii) the intrinsic viscosity [?] is 0.5 (dl/g) or greater.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: September 28, 2010
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Nobuo Kawahara, Shinichi Kojoh, Shingo Matsuo, Hideyuki Kaneko, Tomoaki Matsugi, Norio Kashiwa, Munehito Funaya, Naritoshi Hirota, Tooru Tanaka, Toshiyuki Hirose, Nobuhisa Mikawa, Kouichi Kizu, Keiji Okada
  • Publication number: 20100190941
    Abstract: Provided is a transition metal compound novel and useful as a catalyst component for olefin polymerization, a catalyst for olefin polymerization containing the transition metal compound, and a process for producing an olefin polymer using the catalyst for polymerization. The transition metal is characterized by being represented by the following general formula [I]: wherein, R3 is hydrogen, R2 is selected from a hydrocarbon group or a silicon-containing group, R1 and R4 are selected from a hydrocarbon group having 2 to 20 carbon atoms and a silicon-containing group, each of R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14, which is selected from hydrogen, a hydrocarbon group and a silicon-containing group, may be same or different from each other, and adjacent groups from R5 to R14 may be bonded to each other to form a ring.
    Type: Application
    Filed: April 2, 2010
    Publication date: July 29, 2010
    Inventors: Munehito Funaya, Naritoshi Hirota, Yuichi Yamamura, Koji Kawai
  • Patent number: 7678934
    Abstract: A transition metal compound represented by the following formula (2a):
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: March 16, 2010
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Naritoshi Hirota, Hiromu Kaneyoshi, Munehito Funaya, Koji Kawai, Nobuo Kawahara
  • Publication number: 20100029877
    Abstract: An object of the present invention is to provide solid catalyst component for manufacturing an olefin polymer having an excellent particulate morphology without the concern of causing fouling, and a polymerization of olefin in the presence of said solid catalyst component. A solid catalyst (K) for olefin polymerization of the invention is characterized by meeting the following requirements [1] and [2]: [1] a loss of ignition is 30 wt % or less as measured on a differential thermogravimeter; and [2] after treating the catalyst with water vapor of room temperature and then contacting it with acetonitrile, a component eluted into the acetonitrile comprises a compound having a molecular skeleton represented by the following general formula [I]. (R in the above formula [I] is a hydrogen atom or an alkyl group having 1 to 12 carbon atoms.
    Type: Application
    Filed: December 19, 2007
    Publication date: February 4, 2010
    Inventors: Munehito Funaya, Atsushi Sakuma, Masahiro Yamashita