Patents by Inventor Naoko Sumi
Naoko Sumi 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: 11130870Abstract: To provide a powder coating material capable of forming a coating film excellent in impact resistance, flexibility and adhesion to substrate and excellent in surface smoothness even when formed under low temperature film-forming conditions. The powder coating material of the present invention is a powder coating material comprising a fluorinated polymer having units based on a fluoroolefin, units based on a monomer represented by the formula X—Z and units based on a monomer represented by the formula CHR21?CR22 (CH2)nCOOH, wherein the content of the units based on a monomer represented by the formula X—Z is from 5 to 20 mol % to all units in the fluorinated polymer, and the fluorinated polymer has a melt viscosity at 170° C. of from 20 to 100 Pa·s (in the formulae, X is a specific monovalent polymerizable group, Z is a specific alkyl group, a specific cycloalkyl group or a specific aryl group, R21 and R22 are each independently a hydrogen atom or a specific alkyl group, and n is an integer of from 0 to 12.Type: GrantFiled: July 3, 2019Date of Patent: September 28, 2021Assignee: AGC Inc.Inventors: Yui Hasegawa, Yuji Hara, Naoko Sumi, Shun Saito
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Publication number: 20190322873Abstract: To provide a powder coating material capable of forming a coating film excellent in impact resistance, flexibility and adhesion to substrate and excellent in surface smoothness even when formed under low temperature film-forming conditions. The powder coating material of the present invention is a powder coating material comprising a fluorinated polymer having units based on a fluoroolefin, units based on a monomer represented by the formula X—Z and units based on a monomer represented by the formula CHR21?CR22 (CH2)nCOOH, wherein the content of the units based on a monomer represented by the formula X—Z is from 5 to 20 mol % to all units in the fluorinated polymer, and the fluorinated polymer has a melt viscosity at 170° C. of from 20 to 100 Pa·s (in the formulae, X is a specific monovalent polymerizable group, Z is a specific alkyl group, a specific cycloalkyl group or a specific aryl group, R21 and R22 are each independently a hydrogen atom or a specific alkyl group, and n is an integer of from 0 to 12.Type: ApplicationFiled: July 3, 2019Publication date: October 24, 2019Applicant: AGC Inc.Inventors: Yui HASEGAWA, Yuji Hara, Naoko Sumi, Shun Saito
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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: 8399555Abstract: To provide an aqueous coating composition which has a high storage stability and which is capable of forming a coating film excellent in gloss, adhesion and water resistance; a process for its production; and a process for forming a coating film by using the aqueous coating composition. An aqueous coating composition comprising a fluoro-olefin copolymer, a pigment, a copolymer (1) (an A-B type block copolymer which is a copolymer having no fluorine atoms or ionic groups and which comprises hydrophilic blocks (A) having repeating units (a) having a polyoxyethylene chain in the side chain, and hydrophobic blocks (B) having repeating units (b) having a hydrocarbon chain in the side chain) and an aqueous medium.Type: GrantFiled: April 7, 2011Date of Patent: March 19, 2013Assignee: Asahi Glass Company, LimitedInventors: Isao Kimura, Naoko Sumi
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Patent number: 8013071Abstract: A composition for aqueous coating material which has a low content of an organic solvent and presents little burden on the environment and which is excellent in storage stability. A composition for aqueous coating material, which comprises a synthetic resin containing a fluorinated copolymer (A) comprising from 40 to 60 mol % of a fluoroolefin unit, from 3 to 50 mol % of an alkyl vinyl ether or alkyl vinyl ester unit, from 4 to 30 mol % of a hydroxyl group-containing vinyl ether unit and 0.Type: GrantFiled: January 19, 2010Date of Patent: September 6, 2011Assignee: Asahi Glass Company, LimitedInventors: Naoko Sumi, Takashi Morizumi, Isao Kimura
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Publication number: 20110184116Abstract: To provide an aqueous coating composition which has a high storage stability and which is capable of forming a coating film excellent in gloss, adhesion and water resistance; a process for its production; and a process for forming a coating film by using the aqueous coating composition. An aqueous coating composition comprising a fluoro-olefin copolymer, a pigment, a copolymer (1) (an A-B type block copolymer which is a copolymer having no fluorine atoms or ionic groups and which comprises hydrophilic blocks (A) having repeating units (a) having a polyoxyethylene chain in the side chain, and hydrophobic blocks (B) having repeating units (b) having a hydrocarbon chain in the side chain) and an aqueous medium.Type: ApplicationFiled: April 7, 2011Publication date: July 28, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Isao KIMURA, Naoko Sumi
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Publication number: 20110083726Abstract: To provide a lightweight and highly productive backsheet for a solar cell module, wherein a cured coating film layer of a fluoropolymer coating material formed on one or each side of a substrate sheet is free from problems such as cracking, fracturing, whitening and separation. A back sheet for a solar cell, comprising a substrate sheet and a cured coating film layer of a coating material formed on one side or each side of the substrate sheet, said coating material comprising a fluoropolymer (A) having repeating units based on a fluoroolefin (a), repeating units based on a crosslinkable group-containing monomer (b) and repeating units based on an alkyl group-containing monomer (c) wherein a C2-20 linear or branched alkyl group having no quaternary carbon atom, and a polymerizable unsaturated group are linked to each other by an ether bond or ester bond; and a solar cell module using such a backsheet.Type: ApplicationFiled: December 17, 2010Publication date: April 14, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Takashi TAKAYANAGI, Sho MASUDA, Naoko SUMI
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Patent number: 7919557Abstract: An aqueous coating composition which has a low content of an organic solvent, whereby a burden on an environment is small; in which an increase of the molecular weight, gelation, etc. are suppressed; which performs excellent storage stability and provides a coating film having good water permeability/water which composition is obtained by dispersing a fluorocopolymer (A) obtained by solution polymerization in an aqueous medium, and which comprises a repeating unit (1) of fluoroolefin, a repeating unit (2) of a vinyl or allyl monomer, a repeating unit (3) of a vinyl or allyl monomer having a hydroxyl group bonded thereto, and a unit (4) of a vinyl or allyl monomer having a carboxylate group bonded thereto, and which comprises a fluorocopolymer (A) wherein a proportion of the repeating unit (4) is from 0.4 mol % to less than 4 mol % based on the total repeating units, and an aqueous medium, wherein an amount of an organic solvent contained in the composition is from 0 to 1 mass %.Type: GrantFiled: March 25, 2010Date of Patent: April 5, 2011Assignee: Asahi Glass Company, LimitedInventors: Naoko Sumi, Takashi Morizumi, Isao Kimura
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Patent number: 7790794Abstract: A composition for aqueous coating material which has a low content of an organic solvent and presents little burden on the environment and which is excellent in storage stability. A composition for aqueous coating material, which comprises a synthetic resin containing a fluorinated copolymer comprising from 40 to 60 mol % of a fluoro-olefin unit, from 3 to 50 mol % of an alkyl vinyl ether or alkyl vinyl ester unit, from 4 to 30 mol % of a hydroxyl group-containing vinyl ether unit and 0.Type: GrantFiled: October 9, 2008Date of Patent: September 7, 2010Assignee: Asahi Glass Company, LimitedInventors: Naoko Sumi, Takashi Morizumi, Isao Kimura
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Publication number: 20100190917Abstract: To provide an aqueous coating composition which has a low content of an organic solvent, whereby a burden on an environment is small; in which an increase of the molecular weight, gelation, etc. are suppressed; which performs excellent storage stability and provides a coating film having good water permeability/water resistance. An aqueous coating composition which is a composition obtained by dispersing a fluorocopolymer (A) obtained by a solution polymerization method, in an aqueous medium, and which comprises a repeating unit (1) of fluoroolefin, a repeating unit (2) of a vinyl monomer or an allyl monomer, a repeating unit (3) of a vinyl monomer having a hydroxyl group bonded thereto or of an allyl monomer having a hydroxyl group bonded thereto, and a unit (4) of a vinyl monomer having a carboxylate group bonded thereto or of an allyl monomer, and which comprises a fluorocopolymer (A) wherein a proportion of the repeating unit (4) is from 0.Type: ApplicationFiled: March 25, 2010Publication date: July 29, 2010Applicant: ASAHI GLASS CO., LTD.Inventors: Naoko SUMI, Takashi Morizumi, Isao Kimura
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Publication number: 20100120971Abstract: A composition for aqueous coating material which has a low content of an organic solvent and presents little burden on the environment and which is excellent in storage stability. A composition for aqueous coating material, which comprises a synthetic resin containing a fluorinated copolymer (A) comprising from 40 to 60 mol % of a fluoroolefin unit, from 3 to 50 mol % of an alkyl vinyl ether or alkyl vinyl ester unit, from 4 to 30 mol % of a hydroxyl group-containing vinyl ether unit and 0.Type: ApplicationFiled: January 19, 2010Publication date: May 13, 2010Applicant: Asahi Glass Company, LimitedInventors: Naoko SUMI, Takashi Morizumi, Isao Kimura
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Publication number: 20090239993Abstract: To provide an aqueous coating composition which has a low content of an organic solvent, whereby a burden on an environment is small; in which an increase of the molecular weight, gelation, etc. are suppressed; which performs excellent storage stability and provides a coating film having good water permeability/water resistance. An aqueous coating composition which is a composition obtained by dispersing a fluorocopolymer (A) obtained by a solution polymerization method, in an aqueous medium, and which comprises a repeating unit (1) of fluoroolefin, a repeating unit (2) of a vinyl monomer or an allyl monomer, a repeating unit (3) of a vinyl monomer having a hydroxyl group bonded thereto or of an allyl monomer having a hydroxyl group bonded thereto, and a unit (4) of a vinyl monomer having a carboxylate group bonded thereto or of an allyl monomer, and which comprises a fluorocopolymer (A) wherein a proportion of the repeating unit (4) is from 0.Type: ApplicationFiled: March 20, 2009Publication date: September 24, 2009Applicant: Asahi Glass Company, LimitedInventors: Naoko SUMI, Takashi MORIZUMI, Isao KIMURA
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Publication number: 20090048391Abstract: A composition for aqueous coating material which has a low content of an organic solvent and presents little burden on the environment and which is excellent in storage stability. A composition for aqueous coating material, which comprises a synthetic resin containing a fluorinated copolymer (A) comprising from 40 to 60 mol % of a fluoro-olefin unit, from 3 to 50 mol % of an alkyl vinyl ether or alkyl vinyl ester unit, from 4 to 30 mol % of a hydroxyl group-containing vinyl ether unit and 0.Type: ApplicationFiled: October 9, 2008Publication date: February 19, 2009Applicant: Asahi Glass Company, LimitedInventors: Naoko Sumi, Takashi Morizumi, Isao Kimura
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Patent number: 7273645Abstract: A fluorocopolymer which comprises (A) polymerized units based on tetrafluoroethylene, (B) polymerized units based on ethylene and (C) polymerized units based on itaconic anhydride or citraconic anhydride, wherein the molar ratio of (A)/(B) is from 20/80 to 80/20, and the molar ratio of (C)/((A)+(B)) is from 1/10000 to 5/100, and which has a volume flow rate of from 1 to 1000 mm3/sec. The fluorocopolymer is excellent in the fuel barrier properties and in the adhesive properties to a non-fluorinated polymer.Type: GrantFiled: January 14, 2004Date of Patent: September 25, 2007Assignees: Asahi Glass Company, Limited, UBE Industries, Ltd.Inventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi
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Patent number: 7262243Abstract: To provide a coating composition useful to form an antireflection film having a refractive index lower than 1.4, excellent in water solubility and long-term stability in the form of a water solution. A coating composition containing a fluoropolymer having ionic functional groups (such as a fluoropolymer having polymer units of —CF2CF[O(CF2)3COOH]—), an acid and an aqueous medium.Type: GrantFiled: July 28, 2005Date of Patent: August 28, 2007Assignee: Asahi Glass Company, LimitedInventors: Nobuyuki Otozawa, Toyomichi Shimada, Takashige Maekawa, Naoko Sumi
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Patent number: 7205367Abstract: A fluorocopolymer which comprises (a) polymerized units based on tetrafluoroethylene and/or chlorotrifluoroethylene, (b) polymerized units based on a fluorinated monomer (excluding tetrafluoroethylene and chlorotrifluoroethylene) and (c) polymerized units based on at least one member selected from the group consisting of itaconic acid, itaconic anhydride, citraconic acid and citraconic anhydride, wherein (a) is from 50 to 99.8 mol %, (b) is from 0.1 to 49.99 mol %, and (c) is from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and which has a volume flow rate of from 0.1 to 1000 mm3/sec.Type: GrantFiled: December 29, 2004Date of Patent: April 17, 2007Assignees: UBE Industries, Ltd., Asahi Glass Company, LimitedInventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi
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Patent number: 7138461Abstract: A molding material consisting of a fluorine-containing copolymer, which has a metal elution index ? of at most 10 as the total amount in ng of metals of Na, Mg, Cu, Cr, Ni, K, Ca and Fe per 1 g of the molding material, as obtained by elution analysis of the molding material with nitric acid.Type: GrantFiled: December 27, 2004Date of Patent: November 21, 2006Assignee: Asahi Glass Company, LimitedInventors: Atushi Funaki, Naoko Sumi, Teruo Takakura
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Patent number: 7078470Abstract: A fluorocopolymer which comprises (a) polymerized units based on tetrafluoroethylene and/or chlorotrifluoroethylene, (b) polymerized units based on a fluorinated monomer (excluding tetrafluoroethylene and chlorotrifluoroethylene) and (c) polymerized units based on at least one member selected from the group consisting of itaconic acid, itaconic anhydride, citraconic acid and citraconic anhydride, wherein (a) is from 50 to 99.8 mol %, (b) is from 0.1 to 49.99 mol %, and (c) is from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and which has a volume flow rate of from 0.1 to 1000 mm3/sec.Type: GrantFiled: June 24, 2003Date of Patent: July 18, 2006Assignee: Asahi Glass Company, LimitedInventors: Atsushi Funaki, Naoko Sumi, Eiichi Nishi
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Patent number: 7019079Abstract: A tetrafluoroethylene/ethylene copolymer composition comprising a tetrafluoroethylene/ethylene copolymer (A) and a thermoplastic fluoropolymer (B) having a crystallization temperature higher than the crystallization temperature of said tetrafluoroethylene/ethylene copolymer (A) in a mass ratio of (A)/(B)=from 99.8/0.2 to 1/99. The composition is excellent in melt processability, and its formed product is excellent in mechanical properties and fuel barrier properties.Type: GrantFiled: October 2, 2003Date of Patent: March 28, 2006Assignee: Asahi Glass Company, LimitedInventors: Naoko Sumi, Shigeru Aida, Atsushi Funaki, Masahide Yodogawa, Tsuyoshi Iwasa
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Publication number: 20060041069Abstract: The present invention provides: a first sealing material for semiconductor device which sealing material is excellent in plasma resistance and inexpensive; and a second sealing material for semiconductor device and a method of manufacturing this sealing material wherein the sealing material has a good surface smoothness and a good dimensional precision. The first sealing material contains a fluororubber as a rubber component wherein the fluororubber inevitably contains a cured product of a fluorine-based elastic copolymer of a specific composition. The second sealing material is obtained by crosslinking, with ionizing radiation, a fluororubber preform containing a fluororubber component (a) (comprising a specific fluorine-based elastic copolymer) and a non-elastic fluororesin component (b) (comprising a vinylidene fluoride (co)polymer) in a specific ratio.Type: ApplicationFiled: October 9, 2003Publication date: February 23, 2006Applicants: Asahi Glass Co., LTD., Nippon Valqua Industries, Ltd.Inventors: Naoko Sumi, Hiroki Kamiya, Masanori Okazaki, Yukio Kobayashi, Yoshitaka Samura