Patents by Inventor Mizuna TOYODA
Mizuna TOYODA 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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Publication number: 20230128396Abstract: A coating material of the present invention is a coating material containing: a fluorine-containing polymer having at least one of an iodine atom and a bromine atom; and a solvent, wherein a storage elastic modulus G? of the fluorine-containing polymer is less than 360 kPa, and a total light transmittance of a mixed liquid obtained by mixing and stirring the fluorine-containing polymer and the solvent contained in the coating material is 1.0% or more, the mixed liquid being left to stand for 3 days, stirred again, and left to stand for 30 minutes to measure the total light transmittance.Type: ApplicationFiled: December 21, 2022Publication date: April 27, 2023Applicant: AGC Inc.Inventors: Masatoshi ABE, Mizuna TOYODA, Tsuyoshi KAWAI, Shotaro BEPPU
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Patent number: 11135615Abstract: To provide a process for producing a coated article, capable of producing a coated article having a coating film excellent in weather resistance, using a powder coating material. A process for producing a coated article having a substrate, comprising: applying a curable powder coating material containing a curable polymer containing no fluorine atom, a curing agent and a pigment to a surface of a substrate, to form a first coating layer composed of the curable powder coating material, then applying a powder coating material containing a fluorinated polymer and containing no pigment to a surface of the first coating layer, to form a second coating layer composed of the powder coating material, and heating the first coating layer and the second coating layer simultaneously to form a coating film on the surface of the substrate.Type: GrantFiled: January 23, 2019Date of Patent: October 5, 2021Assignee: AGC INC.Inventors: Shun Saito, Mizuna Toyoda, Masataka Aikawa
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Patent number: 11015065Abstract: The present invention has an object to provide an anti-biofouling coating material which is capable of forming a coating film excellent in anti-biofouling properties and adhesiveness. Further, the present invention has another object to provide a ship, etc. and an article to be used in a humid or wetted environment, having, on its surface, a coating film formed by using the above anti-biofouling coating material. Further, the present invention has other objects to provide a method for preventing adhesion of organisms to a ship, etc. and to provide a method for preventing adhesion of fungi or algae to the surface of an article to be used in a humid or wetted environment, by using the above anti-biofouling coating material.Type: GrantFiled: February 22, 2019Date of Patent: May 25, 2021Assignee: AGC INC.Inventors: Shun Saito, Mizuna Toyoda, Kouji Uchida
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Publication number: 20190193112Abstract: To provide a process for producing a coated article, capable of producing a coated article having a coating film excellent in weather resistance, using a powder coating material. A process for producing a coated article having a substrate, comprising: applying a curable powder coating material containing a curable polymer containing no fluorine atom, a curing agent and a pigment to a surface of a substrate, to form a first coating layer composed of the curable powder coating material, then applying a powder coating material containing a fluorinated polymer and containing no pigment to a surface of the first coating layer, to form a second coating layer composed of the powder coating material, and heating the first coating layer and the second coating layer simultaneously to form a coating film on the surface of the substrate.Type: ApplicationFiled: January 23, 2019Publication date: June 27, 2019Applicant: AGC INC.Inventors: Shun SAITO, Mizuna TOYODA, Masataka AIKAWA
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Publication number: 20190185682Abstract: The present invention has an object to provide an anti-biofouling coating material which is capable of forming a coating film excellent in anti-biofouling properties and adhesiveness. Further, the present invention has another object to provide a ship, etc. and an article to be used in a humid or wetted environment, having, on its surface, a coating film formed by using the above anti-biofouling coating material. Further, the present invention has other objects to provide a method for preventing adhesion of organisms to a ship, etc. and to provide a method for preventing adhesion of fungi or algae to the surface of an article to be used in a humid or wetted environment, by using the above anti-biofouling coating material.Type: ApplicationFiled: February 22, 2019Publication date: June 20, 2019Applicant: AGC Inc.Inventors: Shun Saito, Mizuna Toyoda, Kouji Uchida
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Patent number: 10023671Abstract: To provide a perfluoroelastomer, which is excellent in low temperature properties, which does not lose value as a rubber and which is free from a decrease of the productivity, a perfluoroelastomer composition, a crosslinked rubber product, and a method for producing a perfluoroelastomer. A perfluoroelastomer comprising structural units (a) derived from tetrafluoroethylene, structural units (b) derived from a perfluoroalkyl vinyl ether represented by the formula (1) (such as perfluoromethyl vinyl ether) and structural units (c) derived from a perfluorooxaalkyl vinyl ether represented by the formula (2) (such as CF2?CFOCF2CF2OCF2CF2OCF2CF3).Type: GrantFiled: March 30, 2016Date of Patent: July 17, 2018Assignee: Asahi Glass Company, LimitedInventors: Mizuna Toyoda, Hiroki Nagai, Akira Onodera, Takeshi Yamada, Yukiko Hattori
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Patent number: 9786917Abstract: A method for producing a binder composition for a storage battery device, which comprises an emulsion polymerization step of emulsion polymerizing a monomer mixture containing a fluorinated vinyl monomer in the presence of a first anionic emulsifying agent (A), an aqueous medium and a radical polymerization initiator to obtain a latex containing a fluorinated polymer, and a post addition step of adding a second anionic emulsifying agent (B) to the latex. The first anionic emulsifying agent (A) has no phenyl group in its molecule, and the second anionic emulsifying agent (B) has a phenyl group in its molecule.Type: GrantFiled: March 13, 2015Date of Patent: October 10, 2017Assignee: Asahi Glass Company, LimitedInventors: Takehiro Kose, Mitsuru Seki, Mizuna Toyoda
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Publication number: 20170214049Abstract: To provide a binder composition for a storage battery device, which has good dispersion property and good adhesion, whereby an electrode mixture for a storage battery device will have good coating property, and a secondary battery will have good charge and discharge characteristics. A binder composition for a storage battery device, which comprises a fluorinated copolymer comprising units (a) based on chlorotrifluoroethylene or the like, units (b) based on an alkyl vinyl ether, units (c) based on a vinyl ether having a hydroxy group or an epoxy group and units (d) based on a macromonomer having a hydrophilic portion, and a liquid medium.Type: ApplicationFiled: April 7, 2017Publication date: July 27, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Takehiro KOSE, Mitsuru Seki, Naoko Sumi, Mizuna Toyoda
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Patent number: 9708246Abstract: To provide a method for recovering, from a liquid to be treated containing a fluorinated polymer and a fluorinated emulsifier, the fluorinated emulsifier easily and efficiently. A liquid to be treated containing a fluorinated polymer and a fluorinated emulsifier, and a strongly basic anion exchange resin having an ion exchange capacity of at most 1.0 eq/L and a water content of at least 60 mass %, are brought into contact with each other, so that the fluorinated emulsifier is adsorbed on the strongly basic anion exchange resin, whereby the fluorinated emulsifier is recovered from the liquid to be treated.Type: GrantFiled: March 21, 2016Date of Patent: July 18, 2017Assignee: Asahi Glass Company, LimitedInventors: Satoshi Otsugu, Mizuna Toyoda
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Patent number: 9590251Abstract: To provide a binder for a storage battery device whereby favorable adhesion is obtainable and swelling by an electrolytic solution can favorably be suppressed. A binder for a storage battery device, which is made of a fluorinated copolymer comprising structural units (A), structural units (B) and structural units (C), wherein the molar ratio of the structural units (C) to the total of all the structural units excluding the structural units (C) is from 0.01/100 to 3/100: structural units (A): structural units derived from a monomer selected from the group consisting of tetrafluoroethylene, hexafluoropropylene, vinylidene fluoride and chlorotrifluoroethylene; structural units (B): structural units derived from ethylene or propylene; and structural units (C): structural units derived from a C5-30 organic compound having at least two double bonds and at least one of the double bonds being a double bond of a vinyl ether group or a double bond of a vinyl ester group.Type: GrantFiled: October 27, 2014Date of Patent: March 7, 2017Assignee: Asahi Glass Company, LimitedInventors: Takehiro Kose, Mizuna Toyoda, Hiroki Nagai
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Patent number: 9490484Abstract: To provide a binder for a storage battery device, whereby good adhesion in an electrode and flexibility are obtainable, and it is possible to realize good charge and discharge characteristics when used for a secondary battery. A binder for a storage battery device, which is made of a fluorinated copolymer comprising structural units (a) derived from tetrafluoroethylene and structural units (b) derived from propylene, wherein the molar ratio (a)/(b) is from 40/60 to 50/50, and the total of the structural units (a) and (b) is at least 90 mol % in all structural units.Type: GrantFiled: August 26, 2014Date of Patent: November 8, 2016Assignee: Asahi Glass Company, LimitedInventors: Mizuna Toyoda, Takehiro Kose, Hiroki Nagai
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Publication number: 20160208033Abstract: To provide a perfluoroelastomer, which is excellent in low temperature properties, which does not lose value as a rubber and which is free from a decrease of the productivity, a perfluoroelastomer composition, a crosslinked rubber product, and a method for producing a perfluoroelastomer. A perfluoroelastomer comprising structural units (a) derived from tetrafluoroethylene, structural units (b) derived from a perfluoroalkyl vinyl ether represented by the formula (1) (such as perfluoromethyl vinyl ether) and structural units (c) derived from a perfluorooxaalkyl vinyl ether represented by the formula (2) (such as CF2?CFOCF2CF2OCF2CF2OCF2CF3).Type: ApplicationFiled: March 30, 2016Publication date: July 21, 2016Applicant: Asahi Glass Company, LimitedInventors: Mizuna TOYODA, Hiroki NAGAI, Akira Onodera, Takeshi Yamada, Yukiko HATTORI
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Publication number: 20160200669Abstract: To provide a method for recovering, from a liquid to be treated containing a fluorinated polymer and a fluorinated emulsifier, the fluorinated emulsifier easily and efficiently. A liquid to be treated containing a fluorinated polymer and a fluorinated emulsifier, and a strongly basic anion exchange resin having an ion exchange capacity of at most 1.0 eq/L and a water content of at least 60 mass %, are brought into contact with each other, so that the fluorinated emulsifier is adsorbed on the strongly basic anion exchange resin, whereby the fluorinated emulsifier is recovered from the liquid to be treated.Type: ApplicationFiled: March 21, 2016Publication date: July 14, 2016Applicant: Asahi Glass Company, LimitedInventors: Satoshi Otsugu, Mizuna Toyoda
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Publication number: 20160108225Abstract: To provide a method for producing a stable aqueous fluorinated polymer dispersion in which a fluorinated polymer having a high molecular weight is dispersed with excellent productivity, and an aqueous fluorinated polymer dispersion and a fluorinated polymer obtained by the production method. A method for producing an aqueous fluorinated polymer dispersion, which comprises subjecting a monomer containing at least one fluorinated monomer to emulsion polymerization in the presence of a hydrocarbon anionic emulsifier having a critical micelle concentration of at most 0.09 mass % in an aqueous medium to produce an aqueous dispersion of a fluorinated polymer.Type: ApplicationFiled: December 30, 2015Publication date: April 21, 2016Applicant: Asahi Glass Company, LimitedInventors: Mizuna Toyoda, Hiroki Nagai
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Publication number: 20150188140Abstract: To provide a method for producing a binder composition for a storage battery device, which is excellent in the dispersion stability, whereby properties of an electrode to be obtained are excellent. A method for producing a binder composition for a storage battery device, which comprises an emulsion polymerization step of emulsion polymerizing a monomer mixture containing a fluorinated vinyl monomer in the presence of the following anionic emulsifying agent (A), an aqueous medium and a radical polymerization initiator to obtain a latex containing a fluorinated polymer, and a post addition step of adding the following anionic emulsifying agent (B) to the latex: anionic emulsifying agent (A): an anionic emulsifying agent having no phenyl group in its molecule, anionic emulsifying agent (B): an anionic emulsifying agent having a phenyl group in its molecule.Type: ApplicationFiled: March 13, 2015Publication date: July 2, 2015Applicant: Asahi Glass Company, LimitedInventors: Takehiro Kose, Mitsuru Seki, Mizuna Toyoda
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Patent number: 9045411Abstract: To provide a method for recovering an anionic fluorinated emulsifier, whereby an anionic fluorinated emulsifier adsorbed on a basic ion exchange resin can be simply and efficiently recovered. A mixed liquid of an aqueous inorganic acid solution, a fluorinated medium and a non-fluorinated medium, is contacted to a basic ion exchange resin having an anionic fluorinated emulsifier adsorbed thereon, to recover a liquid phase containing the fluorinated medium, or an aqueous inorganic acid solution is contacted to a basic ion exchange resin having an anionic fluorinated emulsifier adsorbed thereon, then a mixed liquid of a fluorinated medium and a non-fluorinated medium is contacted thereto, and thereafter the basic ion exchange resin and a liquid phase are separated to recover the liquid phase, whereupon from each liquid phase, an acid of the anionic fluorinated emulsifier is recovered.Type: GrantFiled: March 7, 2014Date of Patent: June 2, 2015Assignee: Asahi Glass Company, LimitedInventors: Shigeru Aida, Mizuna Toyoda, Kazuo Hamazaki
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Publication number: 20150044561Abstract: To provide a binder for a storage battery device whereby favorable adhesion is obtainable and swelling by an electrolytic solution can favorably be suppressed. A binder for a storage battery device, which is made of a fluorinated copolymer comprising structural units (A), structural units (B) and structural units (C), wherein the molar ratio of the structural units (C) to the total of all the structural units excluding the structural units (C) is from 0.01/100 to 3/100: structural units (A): structural units derived from a monomer selected from the group consisting of tetrafluoroethylene, hexafluoropropylene, vinylidene fluoride and chlorotrifluoroethylene; structural units (B): structural units derived from ethylene or propylene; and structural units (C): structural units derived from a C5-30 organic compound having at least two double bonds and at least one of the double bonds being a double bond of a vinyl ether group or a double bond of a vinyl ester group.Type: ApplicationFiled: October 27, 2014Publication date: February 12, 2015Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Takehiro KOSE, Mizuna TOYODA, Hiroki NAGAI
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Publication number: 20140363715Abstract: To provide a binder for a storage battery device, whereby good adhesion in an electrode and flexibility are obtainable, and it is possible to realize good charge and discharge characteristics when used for a secondary battery. A binder for a storage battery device, which is made of a fluorinated copolymer comprising structural units (a) derived from tetrafluoroethylene and structural units (b) derived from propylene, wherein the molar ratio (a)/(b) is from 40/60 to 50/50, and the total of the structural units (a) and (b) is at least 90 mol % in all structural units.Type: ApplicationFiled: August 26, 2014Publication date: December 11, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Mizuna TOYODA, Takehiro KOSE, Hiroki NAGAI
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Publication number: 20140187816Abstract: To provide a method for recovering an anionic fluorinated emulsifier, whereby an anionic fluorinated emulsifier adsorbed on a basic ion exchange resin can be simply and efficiently recovered. A mixed liquid of an aqueous inorganic acid solution, a fluorinated medium and a non-fluorinated medium, is contacted to a basic ion exchange resin having an anionic fluorinated emulsifier adsorbed thereon, to recover a liquid phase containing the fluorinated medium, or an aqueous inorganic acid solution is contacted to a basic ion exchange resin having an anionic fluorinated emulsifier adsorbed thereon, then a mixed liquid of a fluorinated medium and a non-fluorinated medium is contacted thereto, and thereafter the basic ion exchange resin and a liquid phase are separated to recover the liquid phase, whereupon from each liquid phase, an acid of the anionic fluorinated emulsifier is recovered.Type: ApplicationFiled: March 7, 2014Publication date: July 3, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Shigeru AIDA, Mizuna TOYODA, Kazuo HAMAZAKI
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Publication number: 20140147745Abstract: To provide a binder for a storage battery device, whereby good adhesion is obtainable, and it is possible to realize good charge and discharge characteristics in a secondary battery by well suppressing swelling of an electrode by an electrolytic solution. A binder for a storage battery device, which is made of a fluorinated copolymer comprising repeating units (a) derived from tetrafluoroethylene and repeating units (b) derived from propylene, wherein the molar ratio (a)/(b) is from 60/40 to 75/25, and the total of the repeating units (a) and (b) is at least 90 mol % in all repeating units.Type: ApplicationFiled: January 29, 2014Publication date: May 29, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Mizuna TOYODA, Takehiro KOSE, Hiroki NAGAI