Patents by Inventor Motonobu Furuta

Motonobu Furuta 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: 20060104153
    Abstract: Provided is a method of producing a composition comprising a thermoplastic resin and a rubber, wherein a solid rubber is molten by a rubber kneading machine and fed into an extruder, and the molten rubber is melt-kneaded with the thermoplastic resin in the extruder. The composition has a uniform component ratio and excellent moldability, and can be used widely as raw materials of molded articles, sheets, films and containers.
    Type: Application
    Filed: December 22, 2005
    Publication date: May 18, 2006
    Inventors: Takanari Yamaguchi, Motonobu Furuta
  • Patent number: 7040797
    Abstract: Provided is a method of producing a composition comprising a thermoplastic resin and a rubber, wherein a solid rubber is molten by a rubber kneading machine and fed into an extruder, and the molten rubber is melt-kneaded with the thermoplastic resin in the extruder. The composition has a uniform component ratio and excellent moldability, and can be used widely as raw materials of molded articles, sheets, films and containers.
    Type: Grant
    Filed: November 16, 1999
    Date of Patent: May 9, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takanari Yamaguchi, Motonobu Furuta
  • Patent number: 6676396
    Abstract: Provided is a resin guiding device for an inflation molding apparatus, which guides a molten resin extruded and blown into a tubular resin from an inflation molding die, to a pair of take-up rolls, wherein the resin guiding device comprises a pair of guiding members placed between the inflation molding die and the pair of take-up rolls, and the guiding members respectively have curved contact faces which are in contact with the tubular resin where the curved contact faces are mutually outward curved, and each of the curved contact faces has a shape corresponding to a rein shape so as to fold the tubular resin into a flat shape.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: January 13, 2004
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takanari Yamaguchi, Motonobu Furuta, Tomokazu Takayanagi, Akio Morii, Noriyuki Ooshima
  • Patent number: 6670042
    Abstract: Provided is an industrially advantageous insulating film obtainable from a resin composition comprising (A) 100 parts by weight of a polyphenylene oxide having a structural unit of the following formula (1): and (B) 0.1 to 60 parts by weight of a copolymer having a functional group reactive with the above-mentioned polyphenylene oxide.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: December 30, 2003
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 6485283
    Abstract: Provided is a blown molding die to obtain a film having excellent properties and good appearance in blown film forming of a thermoplastic resin manifesting anisotropy in molten state. The blow molding die has a simple structure compared with a conventional spider die, and can be produced easily and at low cost.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: November 26, 2002
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takanari Yamaguchi, Motonobu Furuta
  • Publication number: 20020128389
    Abstract: Provided is an industrially advantageous insulating film obtainable from a resin composition comprising (A) 100 parts by weight of a polyphenylene oxide having a structural unit of the following formula (1): 1
    Type: Application
    Filed: February 13, 2002
    Publication date: September 12, 2002
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 6306501
    Abstract: A laminated material comprising at least a paper layer as a substrate and a layer of a liquid-crystal polyester resin composition, which are laid one upon the other, the liquid-crystal polyester resin composition-containing layer comprising (A) liquid-crystal polyester as a continuous phase and (B) rubber having a functional group reactive with the liquid-crystal polyester as a dispersed phase. The laminated material has an excellent heat resistance, flexibility, and gas barrier properties and a paper pack container is formed from said laminated material.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: October 23, 2001
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Publication number: 20010008324
    Abstract: Provided is a resin guiding device for an inflation molding apparatus, which guides a molten resin extruded and blown into a tubular resin from an inflation molding die, to a pair of take-up rolls, wherein said resin guiding device comprises a pair of guiding members placed between said inflation molding die and said pair of take-up rolls, and said guiding members respectively have curved contact faces which are in contact with the tubular resin where said curved contact faces are mutually outward curved, and each of said curved contact faces has a shape corresponding to a rein shape so as to fold the tubular resin into a flat shape.
    Type: Application
    Filed: December 11, 2000
    Publication date: July 19, 2001
    Inventors: Takanari Yamaguchi, Motonobu Furuta, Tomokazu Takayanagi, Akio Morii, Noriyuki Ooshima
  • Patent number: 6124004
    Abstract: A laminate comprising a metallic foil and a layer made of a liquid crystal polyester resin composition comprising a liquid crystal polyester(A) as a continuous phase and rubber(B) having a functional group reactive with the liquid crystal polyester as a dispersed phase. The laminate has excellent flexibility and electric properties, and additionally is cheap, therefore, suitable as a print wiring board. The laminate comprising a metallic foil, a layer made of a liquid crystal polyester resin composition and a layer made of a fiber material of the present invention has an excellent heat resistance, a low relative dielectric constant and a low dielectric loss tangent, an excellent appearance, and additionally, the laminate can be produced in an industrially inexpensive and simple manner. The laminate can be widely used in the industrial field for electric and electronic parts, precision parts and the like.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: September 26, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5997765
    Abstract: A liquid crystal polyester resin composition comprising a liquid crystal polyester (A) in a continuous phase and a rubber having a functional group reactive with the liquid crystal polyester (B) in a dispersed phase. A liquid crystal polyester resin composition of the present invention is excellent in heat resistance, molding processability and mechanical properties, particularly in impact resistance and tensile property, capable of improving anisotropy of a molded article. Furthermore, film formation processability can be improved at a low cost, and a film produced for the composition has excellent gas barrier property, drawing property and flexibility.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: December 7, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5891532
    Abstract: A liquid crystal polyester resin composition film made of a liquid crystal polyester resin composition comprising (A) 56 through 99% by weight of a liquid crystal polyester and (B) 44 through 1% by weight of a thermoplastic resin having an epoxy group and molded with uniaxial orientation, with biaxial orientation, by blown film extrusion or by laminating. The above liquid crystal polyester resin composition has an improved behavior in molten state which has been extraordinary in and drawback of the conventional liquid crystal polyesters and is easily molded into a film with excellent mechanical strength heat resistance and gas-barrier properties.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: April 6, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5817384
    Abstract: The present invention provides a laminated material comprising a paper as a substrate, which is superior in heat resistance and gas barrier properties, and a paper pack container formed from said laminated material. Disclosed is a laminated material comprising at least a paper layer as a substrate and a layer of a liquid crystal polyester resin composition containing 56 to 99% by weight of a liquid crystal polyester (A) and 44 to 1% by weight of an epoxy group-containing ethylene copolymer consisting of the following components:(a) 50 to 99.9% by weight of an ethylene unit;(b) 0.1 to 30% by weight of an unsaturated carboxylic acid glycidyl ester unit or an unsaturated glycidyl ether unit; and(c) 0 to 49.9% by weight of an ethylenically unsaturated ester compound, the paper layer and the layer of the liquid polyester resin composition being laminated each other. A paper pack container formed from said laminated material is also disclosed.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: October 6, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5759674
    Abstract: A laminate of a film of a liquid crystal polyester resin includes (A) from 55 through 99% by weight of a liquid crystal polyester and (B) from 45 through 1% by weight of an epoxy group-containing thermoplastic resin laminated on a metallic foil, and is useful for producing a printed-wiring board. The laminate is excellent in heat resistance, processibility and flexibility and is inexpensive and therefore suitable for producing printed-wiring boards.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: June 2, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5646209
    Abstract: A thermoplastic resin composition contains a liquid crystalline polyester, an aromatic polycarbonate, glass fibers surfaces of which are not treated and which have a number average fiber diameter of 5 to 25 .mu.m, a number average fiber length of 30 to 1000 .mu.m, and a ratio of a number average fiber length to a number average fiber diameter of 2 to 150, and optionally a diamine. This composition maintains the excellent impact resistance properties of the aromatic polycarbonate and utilizes the high stiffness and heat resistance properties of the liquid crystalline polyester, while improving the a dimensional stability and the stiffness recycling properties of a article formed therefrom.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: July 8, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5624984
    Abstract: There are provided inexpensive liquid crystal polyester resin compositions excellent in thermal resistance, molding processability and mechanical properties, particularly excellent in weld strength, impact resistance and thin wall properties, which can be utilized for molded articles, etc. by injection molding or extrusion molding, and processes for producing the same.(1) A liquid crystal polyester resin composition comprising 100 parts by weight of a composition comprising (A) 1 to 99% by weight of a liquid crystal polyester and (B) 99 to 1% by weight of an aromatic polycarbonate, and (C) 0.0001 to 3 parts by weight of a diamine; and a process for producing the above-mentioned liquid crystal resin composition comprising melt kneading a liquid crystal polyester with an aromatic polycarbonate and a diamine.
    Type: Grant
    Filed: January 3, 1995
    Date of Patent: April 29, 1997
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5625000
    Abstract: A thermoplastic resin composition containing (A) 100 parts by weight of at least one modified polyphenylene ether selected from the group consisting of (A1) a modified polyphenylene ether having repeating units of the formula (1): ##STR1## in which R.sub.1 and R.sub.2 are, independently from each other, a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and having a number average polymerization degree of 20 to 1200, in which 0.02/X to 1/X of methyl groups at the 2- and/or 6-positions of phenylene group are modified to an aminomethyl group in which X is a number average polymerization degree and (A2) a modified polyphenylene ether comprising polyphenylene ether to which an amino group-containing monomer is graft polymerized, and (B) 0.1 to 70 parts by weight of an epoxy group-containing ethylene copolymer comprising (a) 50 to 99% by weight of ethylene units, (b) 0.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: April 29, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5612101
    Abstract: The present invention provides a hollow molded article container of a liquid polyester resin composition which is superior in moldability, heat resistance, gas barrier properties and gasoline barrier properties. The liquid polyester resin composition comprises a liquid crystal polyester as a component (A) and an epoxy group-containing ethylene copolymer of 50.0 through 99.9% by weight of an ethylene unit (a), 0.1 through 30.0% by weight of an unsaturated carboxylic acid glycidyl ester unit or unsaturated glycidyl ether unit (b) and 0 through 49.9% by weight of an ethylenically unsaturated ester unit (c) as a component (B), wherein the component (A) is 56.0 through 99.0% by weight and the component (B) is 44.0 through 1.0% by weight. The invention also provides a hollow molded article container composed of a laminated structure comprising a layer of the liquid crystal polyester resin composition above and a layer of a thermoplastic resin.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: March 18, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5559184
    Abstract: A thermoplastic resin composition containing (A) 1 to 99% by weight of a modified polyphenylene ether comprising repeating units of the formula (1): ##STR1## in which R.sub.1 and R.sub.2 are, independently from each other, a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and having a number average polymerization degree of 20 to 1200, in which 0.02/X to 1/X of methyl groups at the 2- and/or 6-positions of phenylene group are substituted by an aminomethyl group wherein X is a number average polymerization degree, and (B) 99 to 1% by weight of a polyolefin which is modified with a compound having a functional group reactive with an amino group in a molecule, which composition is excellent in heat resistance, melt flowability, processability and impact resistance, and provides an article having good appearance and gloss.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: September 24, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi
  • Patent number: 5498689
    Abstract: A modified polyphenylene ether comprising repeating units of the formula (1): ##STR1## wherein R.sub.1 and R.sub.2 are, independently from each other, a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and having a number average polymerization degree of 20 to 12,000, in which 0.02/X to 1/X of methyl groups at the 2- and/or 6-positions of phenylene group are substituted by an aminomethyl group wherein X is a number average polymerization degree, a process for preparing the same, and a thermoplastic resin composition containing (A) 1 to 75% by weight of the above modified polyphenylene ether and (B) 99 to 25% by weight of a liquid crystalline polyester.Since this modified polyphenylene ether includes a highly reactive primary amine on the polymer side chain, it is preferably used in a wide range as a component of various compositions or polymer alloys. The thermoplastic resin composition is excellent in heat resistance, mechanical properties and appearance and gloss of a molded article.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: March 12, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Takanari Yamaguchi, Kazutoshi Ohashi
  • Patent number: 5385976
    Abstract: A thermoplastic resin composition comprising a modified polyphenylene ether to which an amino group-containing monomer such as amino styrene is grafted and a propylene polymer which is modified with a compound having a functional group reactive with an amino group in a molecule. This composition is excellent in heat resistance, chemical resistance, impact resistance and appearance and used to produce a part which is required to have strength and heat resistance such as an automobile part.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: January 31, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Motonobu Furuta, Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto