Patents by Inventor Masahide Yodogawa

Masahide Yodogawa 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: 20240150530
    Abstract: To provide a resin composition, from which a molded body excellent in mechanical properties and having high elasticity, can be obtained, and the molded body obtained from such a resin composition. A resin composition comprising a melt-moldable fluororesin and inorganic fibers, wherein the ratio of the fluororesin to the sum of the fluororesin and the inorganic fibers is from 60 to 95 mass %, the inorganic fibers are inorganic fibers, of which at least a portion of the surface is treated with a sizing agent, and the mass loss ratio after heating the inorganic fibers at 400° C. for 60 minutes, is at most 3%; a method for producing the resin composition; and a molded body formed from the resin composition.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Applicant: AGC Inc.
    Inventors: Norio OZAWA, Toru SASAKI, Masahide YODOGAWA
  • Publication number: 20240093029
    Abstract: To provide a poiyamide type composition excellent in impact resistance. A composition comprising a polyamide and a fluorinated polymer, wherein the fluorinated polymer has a glass transition temperature of less than 30° C. and has no melting point, and the fluorinated polymer is dispersed in the polyarnide, and the average dispersed particle diameter of the fluorinated polymer is less than 12 ?m.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Applicant: AGC Inc.
    Inventors: Masatoshi ABE, Toru SASAKI, Eiichi NISHI, Masahide YODOGAWA
  • Publication number: 20240067795
    Abstract: To provide resin compositions excellent in electrical conductivity and flexibility. A resin composition comprising a fluororesin and a carbon nanostructure, wherein the carbon nanostructure includes a plurality of carbon nanotubes that are branched and share a common wall with each other.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 29, 2024
    Applicant: AGC Inc.
    Inventors: Masatoshi ABE, Toru SASAKI, Masahide YODOGAWA
  • Publication number: 20220185980
    Abstract: To provide perfluoroelastomer molded product and a protective member, excellent in plasma resistance and fitting property. A perfluoroelastomer molded product containing no carbon black, and having a shore A hardness of 25 or more and 60 or less, and a protective member comprising the perfluoroelastomer molded product.
    Type: Application
    Filed: March 2, 2022
    Publication date: June 16, 2022
    Applicant: AGC Inc.
    Inventors: Masahide YODOGAWA, Makoto HONDA
  • Patent number: 11332561
    Abstract: To provide a fluorinated elastic copolymer composition such that solubility of a fluorinated elastic copolymer in a solvent is excellent, the solvent is easily removed, and the solvent is easily available. A fluorinated elastic copolymer composition comprising a fluorinated elastic copolymer having units based tetrafluoroethylene and units based on CF2=CFORf1 (wherein Rf1 is a C1-10 perfluoroalkyl group), and a fluorinated solvent having a perfluorohydrocarbon group, wherein the perfluorohydrocarbon group having the largest number of carbon atoms in the fluorinated solvent has from 3 to 7 carbon atoms, the fluorinated solvent has a boiling point of from 50 to 160° C., and the fluorinated solvent has a fluorine atom content (fluorine atom content (mass %)=(19× number of fluorine atoms in the fluorinated solvent/molecular weight of the fluorinated solvent)×100) of from 69 to 80 mass %.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: May 17, 2022
    Assignee: AGC Inc.
    Inventors: Takeshi Yamada, Toshifumi Kakiuchi, Aya Serita, Masahide Yodogawa
  • Patent number: 11034124
    Abstract: An insulated conduit for use in offshore, deep water environments includes a pipe and a fluoropolymer composition. The pipe has an outer surface with the fluoropolymer composition disposed about the outer surface of the pipe for providing a thermal insulation layer. The fluoropolymer composition includes a fluoroplastic polymer present in an amount of at least 50 parts by weight based on 100 parts by weight of the fluoropolymer composition. The fluoropolymer composition also includes a fluoroelastomer present in an amount of a fluoroelastomer present in an amount of from about 20 to about 50 parts by weight based on 100 parts by weight of the fluoropolymer composition. The fluoropolymer composition has a thermal conductivity less than about 0.20 W/mK at 205° C.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: June 15, 2021
    Assignees: AGC CHEMICALS AMERICAS, INC., AGC INC.
    Inventors: Masahide Yodogawa, David J. Lavanga, Dennis G Murphy, Ken Iruya
  • Publication number: 20200223965
    Abstract: To provide a fluorinated elastic copolymer composition such that solubility of a fluorinated elastic copolymer in a solvent is excellent, the solvent is easily removed, and the solvent is easily available. A fluorinated elastic copolymer composition comprising a fluorinated elastic copolymer having units based tetrafluoroethylene and units based on CF2=CFORf1 (wherein Rf1 is a C1-10 perfluoroalkyl group), and a fluorinated solvent having a perfluorohydrocarbon group, wherein the perfluorohydrocarbon group having the largest number of carbon atoms in the fluorinated solvent has from 3 to 7 carbon atoms, the fluorinated solvent has a boiling point of from 50 to 160° C., and the fluorinated solvent has a fluorine atom content (fluorine atom content (mass %)=(19×number of fluorine atoms in the fluorinated solvent/molecular weight of the fluorinated solvent)×100) of from 69 to 80 mass %.
    Type: Application
    Filed: March 26, 2020
    Publication date: July 16, 2020
    Applicant: AGC Inc.
    Inventors: Takeshi Yamada, Toshifumi Kakiuchi, Aya Serita, Masahide Yodogawa
  • Patent number: 10161556
    Abstract: An insulated high-temperature transport conduit for use in undersea environments. The conduit comprises a continuous steel pipe having at least a first layer of thermal insulation provided over its outer surface. The first layer of thermal insulation comprises a polymer composition having a thermal conductivity of less than about 0.40 W/mK and long-term heat resistance at continuous operating temperatures within the range from about 150° C. to above about 205° C. The first thermal insulation layer comprises a polymer composition comprising a polymer selected from the group consisting of one or more fluoropolymers, hydrogenated nitrile butadiene rubber (HNBR), and a blend of one or more fluoropolymers with HNBR. The conduit may further comprise second and third layers of insulation on top of the first layer, along with a corrosion protection coating underlying the first thermal insulation layer.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: December 25, 2018
    Assignee: Shawcor, Ltd.
    Inventors: Eileen Wan, Adam Jackson, Eirik Simonsen, Masahide Yodogawa
  • Publication number: 20180312679
    Abstract: An insulated conduit for use in offshore, deep water environments includes a pipe and a fluoropolymer composition. The pipe has an outer surface with the fluoropolymer composition disposed about the outer surface of the pipe for providing a thermal insulation layer. The fluoropolymer composition includes a fluoroplastic polymer present in an amount of at least 50 parts by weight based on 100 parts by weight of the fluoropolymer composition. The fluoropolymer composition also includes a fluoroelastomer present in an amount of a fluoroelastomer present in an amount of from about 20 to about 50 parts by weight based on 100 parts by weight of the fluoropolymer composition. The fluoropolymer composition has a thermal conductivity less than about 0.20 W/mK at 205° C.
    Type: Application
    Filed: November 2, 2016
    Publication date: November 1, 2018
    Inventors: Masahide Yodogawa, David J. Lavanga, Dennis G. Murphy, Ken Iruya
  • Patent number: 9791091
    Abstract: A method for forming a high temperature field joint between two insulated pipe sections, and an insulated conduit having a low temperature field joint. The conduit comprises a steel pipe with a corrosion protection coating and a pipe insulation layer comprising a polymer composition having thermal conductivity of less than about 0.40 W/mk, and/or heat resistance to continuous operating temperatures from about 150° C. to above about 205° C. After a circumferential weld joint is formed between the two pipes, a first field joint insulation layer is applied over the joint area, the first field joint insulation layer comprises a polymer composition having heat resistance to continuous operating temperatures from about 150° C. to above about 205° C.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: October 17, 2017
    Assignees: AGC CHEMICALS AMERICAS, INC., SHAWCOR LTD.
    Inventors: Masahide Yodogawa, Suresh Choudhary, Jan Peder Hegdal, Torgeir Sletvold, Eileen Wan
  • Patent number: 9718895
    Abstract: To provide a process for producing an acrylic rubber/fluorinated rubber composition, capable of forming a layer excellent in the interlayer-adhesion with a layer formed by crosslinking a fluorinated rubber. A process for producing an acrylic rubber/fluorinated rubber composition having particles of a crosslinked acrylic rubber (B) dispersed in a continuous phase of a fluorinated rubber (A), which comprises kneading a fluorinated rubber (A), a crosslinking agent for an acrylic rubber and a crosslinking coagent for an acrylic rubber to obtain a fluorinated rubber composition containing the crosslinking agent for an acrylic rubber and the crosslinking coagent for an acrylic rubber, and kneading under heating the obtained fluorinated rubber composition and an acrylic rubber (B) in a mass ratio of fluorinated rubber (A)/acrylic rubber (B)=5/95 to 50/50 to crosslink the acrylic rubber (B), and dispersing particles of the crosslinked acrylic rubber (B) in a continuous phase of the fluorinated rubber (A).
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: August 1, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Go Mizuno, Masahide Yodogawa
  • Patent number: 9704616
    Abstract: To provide a fluorinated elastomer composition which is excellent in flexibility and oil resistance to lubricant oil such as automatic transmission oil, is less susceptible to heat discoloration and is excellent also in moldability, and a molded product, cross-linked product and covered electric wire, using such a fluorinated elastomer composition. A fluorinated elastomer composition comprising a tetrafluoroethylene/propylene copolymer (a), an ethylene/tetrafluoroethylene copolymer (b) and an ethylene copolymer (c) containing epoxy groups, wherein the mass ratio [(a)/(b)] of the tetrafluoroethylene/propylene copolymer (a) to the ethylene/tetrafluoroethylene copolymer (b) is from 70/30 to 40/60, and the mass ratio [(b)/(c)] of the ethylene/tetrafluoroethylene copolymer (b) to the ethylene copolymer (c) containing epoxy groups is from 100/0.1 to 100/10.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: July 11, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Go Mizuno, Masahide Yodogawa, Yuichi Iwano, Masao Umino, Yasuhiko Matsuoka
  • Publication number: 20160109052
    Abstract: A method for forming a high temperature field joint between two insulated pipe sections, and an insulated conduit having a low temperature field joint. The conduit comprises a steel pipe with a corrosion protection coating and a pipe insulation layer comprising a polymer composition having thermal conductivity of less than about 0.40 W/mk, and/or heat resistance to continuous operating temperatures from about 150° C. to above about 205° C. After a circumferential weld joint is formed between the two pipes, a first field joint insulation layer is applied over the joint area, the first field joint insulation layer comprises a polymer composition having heat resistance to continuous operating temperatures from about 150° C. to above about 205° C.
    Type: Application
    Filed: November 30, 2015
    Publication date: April 21, 2016
    Inventor: Masahide Yodogawa
  • Publication number: 20160018049
    Abstract: An insulated high-temperature transport conduit for use in undersea environments. The conduit comprises a continuous steel pipe having at least a first layer of thermal insulation provided over its outer surface. The first layer of thermal insulation comprises a polymer composition having a thermal conductivity of less than about 0.40 W/mK and long-term heat resistance at continuous operating temperatures within the range from about 150° C. to above about 205° C. The first thermal insulation layer comprises a polymer composition comprising a polymer selected from the group consisting of one or more fluoropolymers, hydrogenated nitrile butadiene rubber (HNBR), and a blend of one or more fluoropolymers with HNBR. The conduit may further comprise second and third layers of insulation on top of the first layer, along with a corrosion protection coating underlying the first thermal insulation layer.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Inventor: Masahide Yodogawa
  • Publication number: 20140377558
    Abstract: To provide a fluorinated elastomer composition which is excellent in flexibility and oil resistance to lubricant oil such as automatic transmission oil, is less susceptible to heat discoloration and is excellent also in moldability, and a molded product, cross-linked product and covered electric wire, using such a fluorinated elastomer composition. A fluorinated elastomer composition comprising a tetrafluoroethylene/propylene copolymer (a), an ethylene/tetrafluoroethylene copolymer (b) and an ethylene copolymer (c) containing epoxy groups, wherein the mass ratio [(a)/(b)] of the tetrafluoroethylene/propylene copolymer (a) to the ethylene/tetrafluoroethylene copolymer (b) is from 70/30 to 40/60, and the mass ratio [(b)/(c)] of the ethylene/tetrafluoroethylene copolymer (b) to the ethylene copolymer (c) containing epoxy groups is from 100/0.1 to 100/10.
    Type: Application
    Filed: September 10, 2014
    Publication date: December 25, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Go MIZUNO, Masahide YODOGAWA, Yuichi IWANO, Masao UMINO, Yasuhiko MATSUOKA
  • Publication number: 20140329096
    Abstract: To provide a process for producing an acrylic rubber/fluorinated rubber composition, capable of forming a layer excellent in the interlayer-adhesion with a layer formed by crosslinking a fluorinated rubber. A process for producing an acrylic rubber/fluorinated rubber composition having particles of a crosslinked acrylic rubber (B) dispersed in a continuous phase of a fluorinated rubber (A), which comprises kneading a fluorinated rubber (A), a crosslinking agent for an acrylic rubber and a crosslinking coagent for an acrylic rubber to obtain a fluorinated rubber composition containing the crosslinking agent for an acrylic rubber and the crosslinking coagent for an acrylic rubber, and kneading under heating the obtained fluorinated rubber composition and an acrylic rubber (B) in a mass ratio of fluorinated rubber (A)/acrylic rubber (B)=5/95 to 50/50 to crosslink the acrylic rubber (B), and dispersing particles of the crosslinked acrylic rubber (B) in a continuous phase of the fluorinated rubber (A).
    Type: Application
    Filed: July 18, 2014
    Publication date: November 6, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Go MIZUNO, Masahide Yodogawa
  • Patent number: 8785563
    Abstract: A cross-linkable fluoroelastomer remarkably excellent in cross-linkability and a method for its production, a fluoroelastomer composition excellent in the cross-linked physical properties, and a cross-linked rubber. A cross-linkable fluoroelastomer having a Mooney viscosity of from 20 to 300, obtainable by heat-treating a mixture of a fluoroelastomer (A), an organic peroxide (B) and at least one additive (C) selected from the group consisting of a C12-28 higher fatty acid, a metal salt of a C12-28 higher fatty acid, an ester of a C12-28 higher fatty acid, an amide of a C12-28 higher fatty acid and a C12-28 higher aliphatic alcohol, at a temperature of from 110 to 380° C.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: July 22, 2014
    Assignee: Asahi Glass Company, Limited
    Inventors: Masahide Yodogawa, Masayuki Saito
  • Patent number: 8735479
    Abstract: To provide a fluorinated elastic copolymer composition, and a cross-linked rubber member obtained by crosslinking the fluorinated elastic copolymer composition, which is excellent in hot water resistance and steam resistance under severe conditions. A fluorinated elastic copolymer composition, which comprises a fluorinated elastic copolymer and a compound represented by the following formula (1) wherein the compound represented by the following formula (1) is contained in an amount of from 0.1 to 10 parts by mass per 100 parts by mass of the fluorinated elastic copolymer: (RCOO?)nMn+??(1) (wherein R is a C10-30 organic group, n is an integer of 2 or 3, and M is an alkaline earth metal, Zn, Cd, Co, Sn, Cu, Pb, Ni or Al).
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: May 27, 2014
    Assignee: Asahi Glass Company, Limited
    Inventors: Masahide Yodogawa, Masayuki Saito, Mitsuru Seki
  • Patent number: 8044145
    Abstract: To provide a cross-linkable fluoroelastomer, a cross-linkable fluoroelastomer composition and a cross-linked rubber molded products thereof. A cross-linkable fluoroelastomer having a Mooney viscosity of from 20 to 300, obtainable by heat treating a mixture of a fluoroelastomer (A) and an organic peroxide (B) at a temperature of from 110 to 380° C. for from 10 seconds to 3 hours; a fluoroelastomer composition comprising the cross-linkable fluoroelastomer, a cross-linking agent (C) and a cross-linking assistant (D); and cross-linked rubber molded products thereof.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: October 25, 2011
    Assignee: Asahi Glass Company, Limited
    Inventors: Masahide Yodogawa, Masayuki Saito
  • Publication number: 20110040005
    Abstract: To provide a fluorinated elastic copolymer composition, and a cross-linked rubber member obtained by crosslinking the fluorinated elastic copolymer composition, which is excellent in hot water resistance and steam resistance under severe conditions. A fluorinated elastic copolymer composition, which comprises a fluorinated elastic copolymer and a compound represented by the following formula (1) wherein the compound represented by the following formula (1) is contained in an amount of from 0.1 to 10 parts by mass per 100 parts by mass of the fluorinated elastic copolymer: (RCOO?)nMn+??(1) (wherein R is a C10-30 organic group, n is an integer of 2 or 3, and M is an alkaline earth metal, Zn, Cd, Co, Sn, Cu, Pb, Ni or Al).
    Type: Application
    Filed: October 26, 2010
    Publication date: February 17, 2011
    Applicant: Asahi Glass Company, Limited
    Inventors: Masahide YODOGAWA, Masayuki Saito, Mitsuru Seki