Patents by Inventor Noriyuki Shinoki
Noriyuki Shinoki 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).
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Patent number: 11028199Abstract: The invention provides a powder that is easily redispersible in a liquid medium such as water. The powder contains a fluoropolymer. The fluoropolymer contains at least one group A selected from the group consisting of —SO2Y, —COOR, —SO3X, —SO2NR12, and —COOX, wherein Y is a halogen atom; R is a C1-C4 alkyl group; X is M1/L or NR14, where M is a hydrogen atom or an L-valent metal, the L-valent metal being a metal in group 1, group 2, group 4, group 8, group 11, group 12, or group 13 of the periodic table; and R1s are each individually a hydrogen atom or a C1-C4 alkyl group. The powder exhibits a dispersion of 50% or higher. The dispersion is calculated by filtering a composition obtainable by mixing the powder with water through a mesh having an opening of 20 ?m.Type: GrantFiled: October 11, 2017Date of Patent: June 8, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yuki Yotsumoto, Tadashi Ino, Kazuhiro Ohtsuka, Noriyuki Shinoki, Masaharu Nakazawa, Takashi Yoshimura, Masahiro Kondo
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Patent number: 10988559Abstract: The invention provides a powder that is easily redispersible in a liquid medium such as water. The powder contains a fluoropolymer. The fluoropolymer contains at least one group A selected from the group consisting of —SO2Y, —COOR, —SO3X, —SO2NR12, and —COOX, wherein Y is a halogen atom; R is a C1-C4 alkyl group; X is M1/L or NR14, where M is a hydrogen atom or an L-valent metal, the L-valent metal being a metal in group 1, group 2, group 4, group 8, group 11, group 12, or group 13 of the periodic table; and R1s are each individually a hydrogen atom or a C1-C4 alkyl group. The powder exhibits a dispersion of 50% or higher. The dispersion is calculated by filtering a composition obtainable by mixing the powder with water through a mesh having an opening of 20 ?m.Type: GrantFiled: October 11, 2017Date of Patent: April 27, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yuki Yotsumoto, Tadashi Ino, Kazuhiro Ohtsuka, Noriyuki Shinoki, Masaharu Nakazawa, Takashi Yoshimura, Masahiro Kondo
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Publication number: 20190375866Abstract: The invention provides a powder that is easily redispersible in a liquid medium such as water. The powder contains a fluoropolymer. The fluoropolymer contains at least one group A selected from the group consisting of —SO2Y, —COOR, —SO3X, —SO2NR12, and —COOX, wherein Y is a halogen atom; R is a C1-C4 alkyl group; X is M1/L or NR14, where M is a hydrogen atom or an L-valent metal, the L-valent metal being a metal in group 1, group 2, group 4, group 8, group 11, group 12, or group 13 of the periodic table; and R1s are each individually a hydrogen atom or a C1-C4 alkyl group. The powder exhibits a dispersion of 50% or higher. The dispersion is calculated by filtering a composition obtainable by mixing the powder with water through a mesh having an opening of 20 ?m.Type: ApplicationFiled: October 11, 2017Publication date: December 12, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Yuki YOTSUMOTO, Tadashi INO, Kazuhiro OHTSUKA, Noriyuki SHINOKI, Masaharu NAKAZAWA, Takashi YOSHIMURA, Masahiro KONDO
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Patent number: 9644055Abstract: A method for preparing a fluoropolymer aqueous dispersion, including: step (A) of preparing a fluoropolymer aqueous dispersion comprising a fluoropolymer having at least one selected from the group consisting of —SO2Y and —COOR (wherein Y is a halogen, and R is a C1 to C4 alkyl) by emulsion polymerization; step (B) of heating the fluoropolymer aqueous dispersion to 50° C. or higher; and step (C) of contacting the fluoropolymer aqueous dispersion with an ion exchange resin for cation exchange after step (B), thereby providing a purified fluoropolymer aqueous dispersion, the fluoropolymer aqueous dispersion being adjusted to pH 7 or lower from the end of the polymerization in step (A) to the end of step (C).Type: GrantFiled: May 22, 2013Date of Patent: May 9, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Takashi Yoshimura, Kazuhiro Ohtsuka, Tadashi Ino, Noriyuki Shinoki, Masahiro Kondo
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Patent number: 9627702Abstract: A method for producing an electrolyte emulsion, the method including: Step (1) in which an ethylenic fluoromonomer and a fluorovinyl compound having an SO2Z1 group, wherein Z1 is a halogen element, are copolymerized at a polymerization temperature of 0° C. or higher and 40° C. or lower to provide a precursor emulsion containing a fluoropolymer electrolyte precursor; and Step (2) in which a basic reactive liquid is added to the precursor emulsion and the fluoropolymer electrolyte precursor is chemically treated, whereby an electrolyte emulsion with a fluoropolymer electrolyte dispersed therein is provided, wherein the electrolyte emulsion has an equivalent weight (EW) of 250 or more and 700 or less.Type: GrantFiled: June 24, 2016Date of Patent: April 18, 2017Assignees: ASAHI KASEI KABUSHIKI KAISHA, DAIKIN INDUSTRIES, LTD.Inventors: Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Masaharu Nakazawa, Noriyuki Shinoki, Takashi Yoshimura, Masahiro Kondo
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Publication number: 20160308232Abstract: A method for producing an electrolyte emulsion, the method including: Step (1) in which an ethylenic fluoromonomer and a fluorovinyl compound having an SO2Z1 group, wherein Z1 is a halogen element, are copolymerized at a polymerization temperature of 0° C. or higher and 40° C. or lower to provide a precursor emulsion containing a fluoropolymer electrolyte precursor; and Step (2) in which a basic reactive liquid is added to the precursor emulsion and the fluoropolymer electrolyte precursor is chemically treated, whereby an electrolyte emulsion with a fluoropolymer electrolyte dispersed therein is provided, wherein the electrolyte emulsion has an equivalent weight (EW) of 250 or more and 700 or less.Type: ApplicationFiled: June 24, 2016Publication date: October 20, 2016Applicants: ASAHI KASEI KABUSHIKI KAISHA, DAIKIN INDUSTRIES, LTD.Inventors: Takahiko MURAI, Naoki SAKAMOTO, Naoto MIYAKE, Tadashi INO, Masaharu NAKAZAWA, Noriyuki SHINOKI, Takashi YOSHIMURA, Masahiro KONDO
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Patent number: 9406958Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.Type: GrantFiled: August 10, 2015Date of Patent: August 2, 2016Assignees: ASAHI KASEI KABUSHIKI KAISHA, DAIKIN INDUSTRIES, LTD.Inventors: Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Masaharu Nakazawa, Noriyuki Shinoki, Takashi Yoshimura, Masahiro Kondo
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Publication number: 20150349366Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.Type: ApplicationFiled: August 10, 2015Publication date: December 3, 2015Applicants: DAIKIN INDUSTRIES, LTD., ASAHI KASEI E-MATERIALS CORPORATIONInventors: Takahiko MURAI, Naoki SAKAMOTO, Naoto MIYAKE, Tadashi INO, Masaharu NAKAZAWA, Noriyuki SHINOKI, Takashi YOSHIMURA, Masahiro KONDO
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Patent number: 9133316Abstract: The present invention provides a fluoropolymer electrolyte material which has improved processability and which is easily produced. The electrolyte emulsion of the present invention comprises an aqueous medium and a fluoropolymer electrolyte dispersed in the aqueous medium. The fluoropolymer electrolyte has a monomer unit having an SO3Z group (Z is an alkali metal, an alkaline-earth metal, hydrogen, or NR1R2R3R4, and R1, R2, R3, and R4 each are individually a C1-C3 alkyl group or hydrogen). The fluoropolymer electrolyte has an equivalent weight (EW) of 250 or more and 700 or less and a proton conductivity at 110° C. and relative humidity 50% RH of 0.10 S/cm or higher. The fluoropolymer electrolyte is a spherical particulate substance having an average particle size of 10 to 500 nm. The fluoropolymer electrolyte has a ratio (the number of SO2F groups)/(the number of SO3Z groups) of 0 to 0.01.Type: GrantFiled: September 17, 2010Date of Patent: September 15, 2015Assignees: ASAHI KASEI E-MATERIALS CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Masaharu Nakazawa, Noriyuki Shinoki, Takashi Yoshimura, Masahiro Kondo
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Publication number: 20150148482Abstract: A method for preparing a fluoropolymer aqueous dispersion, including: step (A) of preparing a fluoropolymer aqueous dispersion comprising a fluoropolymer having at least one selected from the group consisting of —SO2Y and —COOR (wherein Y is a halogen, and R is a C1 to C4 alkyl) by emulsion polymerization; step (B) of heating the fluoropolymer aqueous dispersion to 50° C. or higher; and step (C) of contacting the fluoropolymer aqueous dispersion with an ion exchange resin for cation exchange after step (B), thereby providing a purified fluoropolymer aqueous dispersion, the fluoropolymer aqueous dispersion being adjusted to pH 7 or lower from the end of the polymerization in step (A) to the end of step (C).Type: ApplicationFiled: May 22, 2013Publication date: May 28, 2015Inventors: Takashi Yoshimura, Kazuhiro Ohtsuka, Tadashi Ino, Noriyuki Shinoki, Masahiro Kondo
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Patent number: 8993682Abstract: The present invention provides an electrolyte having high conductivity even under high-temperature low-humidification conditions (e.g. at a temperature of 100 to 120° C. and a humidity of 20 to 50% RH) and thereby makes it possible to realize a higher performance fuel cell. The present invention is a fluoropolymer electrolyte having an equivalent weight (EW) of not less than 250 but not more than 700 and a proton conductivity of not lower than 0.10 S/cm as measured at a temperature of 110° C. and a relative humidity of 50% RH and comprising a COOZ group- or SO3Z group-containing monomer unit, wherein Z represents an alkali metal, an alkaline earth metal, hydrogen atom or NR1R2R3R4 in which R1, R2, R3 and R4 each independently represents an alkyl group containing 1 to 3 carbon atoms or hydrogen atom.Type: GrantFiled: March 12, 2009Date of Patent: March 31, 2015Assignees: Asahi Kasei E-Materials Corporation, Daikin Industries, Ltd.Inventors: Kohei Kita, Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Noriyuki Shinoki, Masaharu Nakazawa, Masahiro Kondo, Takashi Yoshimura
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Patent number: 8816138Abstract: The present invention provides a method for producing 3-chloro-pentafluoropropene at a high yield through one reaction step of chlorinating perfluoroallyl fluorosulfate. The present invention directs to a method for producing 3 -chloro-pentafluoropropene, including the step of bringing perfluoroallyl fluorosulfate and an onium chloride compound into contact with each other to produce the 3-chloro-pentafluoropropene.Type: GrantFiled: March 28, 2011Date of Patent: August 26, 2014Assignee: Daikin Industries, Ltd.Inventors: Shinsuke Ohshita, Yuichi Hashikawa, Masahiro Kondo, Takashi Yoshimura, Noriyuki Shinoki, Emi Mantani
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Publication number: 20130023704Abstract: The present invention provides a method for producing 3-chloro-pentafluoropropene at a high yield through one reaction step of chlorinating perfluoroallyl fluorosulfate. The present invention directs to a method for producing 3-chloro-pentafluoropropene, including the step of bringing perfluoroallyl fluorosulfate and an onium chloride compound into contact with each other to produce the 3-chloro-pentafluoropropene.Type: ApplicationFiled: March 28, 2011Publication date: January 24, 2013Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Yuichi Hashikawa, Masahiro Kondo, Takashi Yoshimura, Noriyuki Shinoki, Emi Mantani
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Publication number: 20110020728Abstract: The present invention provides an electrolyte having high conductivity even under high-temperature low-humidification conditions (e.g. at a temperature of 100 to 120° C. and a humidity of 20 to 50% RH) and thereby makes it possible to realize a higher performance fuel cell. The present invention is a fluoropolymer electrolyte having an equivalent weight (EW) of not less than 250 but not more than 700 and a proton conductivity of not lower than 0.10 S/cm as measured at a temperature of 110° C. and a relative humidity of 50% RH and comprising a COOZ group- or SO3Z group-containing monomer unit, wherein Z represents an alkali metal, an alkaline earth metal, hydrogen atom or NR1R2R3R4 in which R1, R2, R3 and R4 each independently represents an alkyl group containing 1 to 3 carbon atoms or hydrogen atom.Type: ApplicationFiled: March 12, 2009Publication date: January 27, 2011Applicants: Asahi Kasei E-Materials Corporation, Daikin Industries, Ltd.Inventors: Kohei Kita, Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Noriyuki Shinoki, Masaharu Nakazawa, Masahiro Kondo, Takashi Yoshimura
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Patent number: 7692048Abstract: The present invention provides a method for producing a fluorine-containing halide, comprising reacting a fluorine-containing sulfonyl halide or fluorine-containing disulfonyl chloride with a metal halide or metal component in the present or absence of a solvent. In accordance with the present invention, a fluorine-containing bromide, fluorine-containing iodide or fluorine-containing chloride can be readily produced in high yield at low cost, using an industrially advantageous process.Type: GrantFiled: March 11, 2005Date of Patent: April 6, 2010Assignee: Daikin Industries, Ltd.Inventors: Akinari Sugiyama, Kazuyoshi Ichihara, Noriyuki Shinoki, Toshiya Mantani, Masahiro Kondou
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Patent number: 7321071Abstract: The present invention relates to a method for producing a water-soluble fluorine-containing vinyl ether which comprises subjecting a fluorine-containing 2-alkoxypropionic acid derivative represented by the following general formula (I): (wherein A represents —OM1 or —OM21/2, and M1 represents an alkali metal and M2 represents an alkaline earth metal; X represents a halogen atom; Y1 and Y2 are the same or different and each represents a fluorine atom, a chlorine atom, a perfluoroalkyl group or a fluorochloroalkyl group; n represents an integer of 0 to 3, and n of Y1s may be the same or different; m represents an integer of 1 to 5, and m of Y2s are the same or different; and Z represents a hydrophilic group) to thermal decomposition at a temperature of not lower than 50° C. but lower than 170° C.Type: GrantFiled: June 16, 2003Date of Patent: January 22, 2008Assignee: Daikin Industries, Ltd.Inventors: Kenji Ishii, Noriyuki Shinoki, Takuya Arase, Kazuyoshi Ichihara, Toshiya Mantani
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Publication number: 20080004473Abstract: The present invention provides a method of producing a fluorine-containing fluorosulfonylalkyl vinyl ether represented by the formula CF2=CFOCF2CF2SO2F, the method comprising reacting a fluorine-containing chlorosulfonylalkyl vinyl ether represented by the formula CF2=CFOCF2CF2SO2Cl with a fluorinating agent represented by the formula KF·(HF)n (wherein n is 0 to 5) in a polar organic solvent at a temperature not higher than 70° C. The method of the invention produces the fluorine-containing fluorosulfonylalkyl vinyl ether in high yield at low cost in a simple, industrially advantageous manner.Type: ApplicationFiled: October 28, 2005Publication date: January 3, 2008Inventors: Akinari Sugiyama, Kazuyoshi Ichihara, Noriyuki Shinoki, Toshiya Mantani, Masahiro Kondou
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Publication number: 20070185355Abstract: The present invention provides a method for producing a fluorine-containing halide, comprising reacting a fluorine-containing sulfonyl halide or fluorine-containing disulfonyl chloride with a metal halide or metal component in the present or absence of a solvent. In accordance with the present invention, a fluorine-containing bromide, fluorine-containing iodide or fluorine-containing chloride can be readily produced in high yield at low cost, using an industrially advantageous process.Type: ApplicationFiled: March 11, 2005Publication date: August 9, 2007Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Akinari Sugiyama, Kazuyoshi Ichihara, Noriyuki Shinoki, Toshiya Mantani, Masahiro Kondou
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Publication number: 20050245758Abstract: The present invention relates to a method for producing a water-soluble fluorine-containing vinyl ether which comprises subjecting a fluorine-containing 2-alkoxypropionic acid derivative represented by the following general formula (I): (wherein A represents —OM1 or —OM21/2, and M1 represents an alkali metal and M2 represents an alkaline earth metal; X represents a halogen atom; Y1 and Y2 are the same or different and each represents a fluorine atom, a chlorine atom, a perfluoroalkyl group or a fluorochloroalkyl group; n represents an integer of 0 to 3, and n of Y1s may be the same or different; m represents an integer of 1 to 5, and m of Y2s are the same or different; and Z represents a hydrophilic group) to thermal decomposition at a temperature of not lower than 50° C. but lower than 170° C.Type: ApplicationFiled: June 16, 2003Publication date: November 3, 2005Applicant: Saikin Industries, LTD. Umeda Center BuildingInventors: Kenji Ishii, Noriyuki Shinoki, Takuya Arase, Kazuyoshi Ichihara, Toshiya Mantani
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Patent number: 5789561Abstract: A novel fluorine-substituted ganglioside GM3 derivative represented by the formula (I): ##STR1## wherein R is an aliphatic acyl group, R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2, R.sup.3, R.sup.4 and R.sup.6 represent independently of one another a hydrogen atom, an aliphatic lower acyl group or an aromatic acyl group, R.sup.5 is an straight or branched, saturated or unsaturated aliphatic hydrocarbon group having 1 to 30 carbon atoms, and n is an integer of 0 to 20, provided that when R.sup.1 is a hydrogen atom, R.sup.2, R.sup.3, R.sup.4 and R.sup.6 are hydrogen atoms, or when R.sup.1 is a lower alkyl group, R.sup.2, R.sup.3, R.sup.4 and R.sup.6 are each an aliphatic lower acyl group or an aromatic acyl group.Type: GrantFiled: August 13, 1997Date of Patent: August 4, 1998Assignee: Daikin Industries Ltd.Inventors: Noriyuki Shinoki, Takao Iida