Patents by Inventor Terufumi Suzuki

Terufumi Suzuki 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).

  • Publication number: 20240166854
    Abstract: A thermoplastic elastomer composition including 100 parts by mass of a block copolymer containing a polymer block (X) having an aromatic vinyl compound as a main component and a polymer block (Y) having a conjugated diene compound as a main component, or a hydrogenated product thereof (A); 1 to 400 parts by mass of an ethylene/?-olefin copolymer (B) satisfying the following requirements (b-1) to (b-3); and 0 to 200 parts by mass of a polyolefin-based resin (C) satisfying the following requirement (c-1), (b-1) a kinematic viscosity at 100° C. is 5 to 5,000 mm2/s and a kinematic viscosity at 40° C. is 50 to 100,000 mm2/s, (b-2) a weight-average molecular weight (Mw) determined by gel permeation chromatography (GPC) is 1,000 to 30,000, (b-3) a content ratio of ethylene structural units is 15 to 85 mol %, and (c-1) MFR (230° C. and 2.16 kg) is 0.1 to 500 g/10 min.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 23, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuto YOSHIDA, Terufumi SUZUKI, Shota ABE
  • Publication number: 20240101737
    Abstract: A water dispersion composition containing an ethylene·?-olefin copolymer acid-modified product (B) in a range of 0.01 to 50% by mass, wherein the ethylene·?-olefin copolymer acid-modified product (B) is an acid-modified product of an ethylene·?-olefin copolymer (A) satisfying requirements (A1) to (A6) as specified herein and also satisfies the requirements (B1) to (B5) as specified herein.
    Type: Application
    Filed: January 18, 2022
    Publication date: March 28, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Atsushi TAKESHIMA, Takurou WATANABE, Terufumi SUZUKI, Shota ABE, Kuniaki KAWABE
  • Patent number: 11767404
    Abstract: A masterbatch of a liquid additive is provided, the resin composition for the masterbatch comprising (a) a block copolymer or a hydrogenated product thereof, the block copolymer containing a polymer block having a vinyl aromatic compound as a main component and a polymer block having a conjugated diene compound as a main component, and 40 to 100 parts by mass of a polyolefinic resin and 100 to 150 parts by mass of an ethylene·?-olefin copolymer with respect to 100 parts by mass of the (a) component, wherein the kinematic viscosity at 100° C. is 10 to 5,000 mm2/s; the ethylene molar content is in the range of 30 to 85 mol %; and the molecular weight distribution (Mw/Mn) for the molecular weight measured by gel permeation chromatography (GPC) with reference to polystyrene is not more than 2.5.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: September 26, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yuto Yoshida, Shota Abe, Atsushi Takeshima, Terufumi Suzuki, Kouzi Matsunaga
  • Publication number: 20220153978
    Abstract: A resin composition, a shaped article, a fiber, a film and a sheet. The resin composition includes two or more kinds of polyolefin resins (A), and 0.05 to 10 mass % of an ?-olefin (co)polymer (B) satisfying requirements (b-1) to (b-3): (b-1) A methyl group index is 40 to 60%. The methyl group index is a ratio of an integral of a peak observed in a range of 0.50 to 1.15 ppm to an integral of peaks observed in a range of 0.50 to 2.20 ppm in a 1H-NMR spectrum of a solution of the (co)polymer (B) in deuterated chloroform, positions of the peaks being calculated relative to a solvent peak at 7.24 ppm assigned to CHCl3 in deuterated chloroform as a reference. (b-2) A weight average molecular weight determined by GPC is 1,500 to 20,000. (b-3) No melting point is observed from ?100 to 150° C. in DSC.
    Type: Application
    Filed: March 23, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuto YOSHIDA, Atsushi TAKESHIMA, Terufumi SUZUKI, Kouji MATSUNAGA, Kuniaki KAWABE
  • Patent number: 11155768
    Abstract: A lubricant oil composition for automotive gears includes a lubricant base oil including a mineral oil having a kinematic viscosity at 100° C. of 2.0 to 6.5 mm2/s, a viscosity index of not less than 105 and a pour point of not more than ?10° C., and/or a synthetic oil having a kinematic viscosity at 100° C. of 1.0 to 6.5 mm2/s, a viscosity index of not less than 120 and a pour point of not more than ?30° C.; and an ethylene/?-olefin copolymer having an ethylene content of 55 to 85 mol %, a kinematic viscosity at 100° C. of 10 to 200 mm2/s, a molecular weight distribution of not more than 2.2, and a melting point in the range of ?30° C. to ?60° C. The lubricant oil composition for automotive gears has a kinematic viscosity at 100° C. of 4.0 to 9.0 mm2/s.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: October 26, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shota Abe, Terufumi Suzuki
  • Publication number: 20210002435
    Abstract: A masterbatch of a liquid additive is provided, the resin composition for the masterbatch comprising (a) a block copolymer or a hydrogenated product thereof, the block copolymer containing a polymer block having a vinyl aromatic compound as a main component and a polymer block having a conjugated diene compound as a main component, and 40 to 100 parts by mass of a polyolefinic resin and 100 to 150 parts by mass of an ethylene.?-olefin copolymer with respect to 100 parts by mass of the (a) component, wherein the kinematic viscosity at 100° C. is 10 to 5,000 mm2/s; the ethylene molar content is in the range of 30 to 85 mol %; and the molecular weight distribution (Mw/Mn) for the molecular weight measured by gel permeation chromatography (GPC) with reference to polystyrene is not more than 2.5.
    Type: Application
    Filed: March 7, 2019
    Publication date: January 7, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuto YOSHIDA, Shota ABE, Atsushi TAKESHIMA, Terufumi SUZUKI, Kouzi MATSUNAGA
  • Publication number: 20190338212
    Abstract: A lubricant oil composition for automotive gears includes a lubricant base oil including a mineral oil having a kinematic viscosity at 100° C. of 2.0 to 6.5 mm2/s, a viscosity index of not less than 105 and a pour point of not more than ?10° C., and/or a synthetic oil having a kinematic viscosity at 100° C. of 1.0 to 6.5 mm2/s, a viscosity index of not less than 120 and a pour point of not more than ?30° C.; and an ethylene/?-olefin copolymer having an ethylene content of 55 to 85 mol %, a kinematic viscosity at 100° C. of 10 to 200 mm2/s, a molecular weight distribution of not more than 2.2, and a melting point in the range of ?30° C. to ?60° C. The lubricant oil composition for automotive gears has a kinematic viscosity at 100° C. of 4.0 to 9.0 mm2/s.
    Type: Application
    Filed: January 5, 2018
    Publication date: November 7, 2019
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shota ABE, Terufumi SUZUKI
  • Patent number: 10077412
    Abstract: Provided are a viscosity modifier for lubricating oils for obtaining an additive composition for lubricating oils having excellent fluidity in a wide temperature range from low temperature to high temperature; and said additive composition for lubricating oils. Further provided are a viscosity modifier for lubricating oils for obtaining a lubricating oil composition capable of reducing viscosity in good balance in a wide temperature range from low temperature to high temperature; and said lubricating oil composition. The viscosity modifier for lubricating oils includes an ethylene ?-olefin copolymer (A) which includes 30 to 50 mole % of structural units derived from at least one ?-olefin selected from ?-olefins having 4 and 5 carbon atoms and 50 to 70 mole % of structural units derived from ethylene (with the proviso that the total of all structural units of said copolymer is 100 mole %) and which satisfies specific requirements (a), (b), and (c).
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: September 18, 2018
    Assignees: MITSUI CHEMICALS, INC., THE LUBRIZOL CORPORATION
    Inventors: Atsushi Yamamoto, Terufumi Suzuki, Kenta Ide, Chor Huang
  • Publication number: 20170175028
    Abstract: Provided are a viscosity modifier for lubricating oils for obtaining an additive composition for lubricating oils having excellent fluidity in a wide temperature range from low temperature to high temperature; and said additive composition for lubricating oils. Further provided are a viscosity modifier for lubricating oils for obtaining a lubricating oil composition capable of reducing viscosity in good balance in a wide temperature range from low temperature to high temperature; and said lubricating oil composition. The viscosity modifier for lubricating oils includes an ethylene ?-olefin copolymer (A) which includes 30 to 50 mole % of structural units derived from at least one ?-olefin selected from ?-olefins having 4 and 5 carbon atoms and 50 to 70 mole % of structural units derived from ethylene (with the proviso that the total of all structural units of said copolymer is 100 mole %) and which satisfies specific requirements (a), (b), and (c).
    Type: Application
    Filed: March 27, 2015
    Publication date: June 22, 2017
    Applicants: MITSUI CHEMICALS, INC., THE LUBRIZOL CORPORATION
    Inventors: Atsushi YAMAMOTO, Terufumi SUZUKI, Kenta IDE, Chor HUANG
  • Publication number: 20090166911
    Abstract: [Object] Disclosed is to provide a process for producing a molded article of polyethylene excellent in mechanical properties while the productivity at the time of T-die molding is improved, and a process for producing a secondary molded article by vacuum molding of the molded article with high formability. [Means to Solve the Problems] A process for producing a molded article by T-die molding of a mixture comprising a polyolefinic resin and a polyethylene wax, the polyethylene wax having a density of 880 to 980 (kg/m3) as measured by a density gradient tube method in accordance with JIS K7112 and a number average molecular weight (Mn) of 500 to 4,000 in terms of polyethylene as determined by gel permeation chromatography (GPC) and satisfying the relationship shown by the following expression (I): B?0.
    Type: Application
    Filed: March 23, 2007
    Publication date: July 2, 2009
    Inventors: Hirotaka Uosaki, Kuniaki Kawabe, Motoyasu Yasui, Hideki Kuroki, Terufumi Suzuki, Hideo Nakamura, Yasushi Amada
  • Publication number: 20090137729
    Abstract: [Object]Disclosed is to provide a process for producing a film by using a raw material comprising a polyethylene having a density of 900 to 980 kg/m3 or a polypropylene, whereby improving the productivity at the time of producing the film by a stretch molding. Further the film is obtained without impairing the optical characteristics and mechanical characteristics, which are intrinsic characteristics of polyethylene or polypropylene. [Solving Means]A process for producing a film by a stretch molding of a mixture comprising a polyethylene and a polyethylene wax, the polyethylene having a density of 900 to 980 kg/m3 and an MI of 0.01 to 100 g/10-minutes as measured at 190° C. and a testing load of 21.18 N in accordance with JIS K7210 or a polypropylene, and the polyethylene wax having a density of 890 to 980 kg/m3 and a number-average molecular weight (Mn) of 500 to 4,000 as measured by the gel permeation chromatography (GPC) and satisfying the relationship shown by the following equation (I). B?0.
    Type: Application
    Filed: March 26, 2007
    Publication date: May 28, 2009
    Inventors: Hirotaka Uosaki, Kuniaki Kawabe, Motoyasu Yasui, Terufumi Suzuki, Hideo Nakamura, Yasushi Amada
  • Publication number: 20030069356
    Abstract: A phosphorous epoxy resin of the invention being obtainable by reacting an organophosphorus compound, a trifunctional epoxy resin and a bifunctional epoxy resin optionally together with a bifunctional phenol compound. A flame-resistant highly thermally stable epoxy resin composition is also provided, which contains the above phosphorous epoxy resin. A cured product with excellent flame resistance and thermal stability can be obtained from the phosphorous epoxy resin, which cured product is useful as a prepreg or a laminate.
    Type: Application
    Filed: May 10, 2002
    Publication date: April 10, 2003
    Inventors: Kiyomi Yasuda, Terufumi Suzuki, Shunji Tahara
  • Patent number: 5677397
    Abstract: An epoxy resin composition which exhibits a low dielectric constant and a low dielectric dissipation factor as well as an excellent working susceptibility after its curing is provided. The epoxy resin composition contains at least one member selected from a novolak resin (A) prepared by condensing formalin and an alkylphenol compound; and an epoxy resin (B) prepared by glycidylating said novolak resin (A) with an epihalohydrin.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: October 14, 1997
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Hideo Nakamura, Terufumi Suzuki, Kiyomi Yasuda
  • Patent number: 5081206
    Abstract: A heat-resistant, flame-retardant epoxy resin composition is provided by combining or reating members selected from a polyfunctional epoxy resin, a bisphenol type epoxy resin, a highly halogenated bisphenol type epoxy resin, a low halogenated bisphenol type epoxy resin, and a halogenated bisphenol. The composition is suitable as a laminate useful for printed circuit boards.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: January 14, 1992
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Kiyomi Yasuda, Terufumi Suzuki, Toshimasa Takata, Isao Kaneko