Patents by Inventor Kiyotaka TAKAO

Kiyotaka TAKAO 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: 20210348024
    Abstract: To provide a composition with which a surface layer excellent in abrasion resistance and sliding resistance can be formed, and an article. The composition of the present invention comprises a compound represented by the formula (1) and a compound represented by the formula (2), wherein the ratio of the number of moles of the group represented by —CF3 in Rf1 in the formula (1) to the total of the number of moles of the group represented by —CF2— closest to Y1 in Rf2 in the formula (1), the number of moles of the group represented by —CF2— closest to Y2 in Rf3 in the formula (2) and the number of moles of the group represented by —CF2— closest to Y3 in Rf3 in the formula (2), is from 0.001 to 0.
    Type: Application
    Filed: July 20, 2021
    Publication date: November 11, 2021
    Applicant: AGC Inc.
    Inventors: Keigo MATSUURA, Taiki HOSHINO, Kiyotaka TAKAO, Makoto UNO, Eiichiro ANRAKU, Motoshi AOYAMA, Naoki KATSUKI, Yusuke TOMIYORI, Toyokazu ENTA, Hiromasa YAMAMOTO
  • Publication number: 20210301083
    Abstract: Processes for producing a fluorinated ether compound are provided by which fluorinated ether compound capable of imparting excellent water/oil repellency, to a substrate surface or a hard coat layer can be easily produced in high yield. A process comprising reacting Rf(CF2)a—CF2OC(?O)Rf4 or Rf(CF2)a—C(?O)X1 with HN(—R1CH?CH2)2 to obtain Rf(CF2)a—C(?O)N(—R1CH2?CH2)2 and a process comprising obtaining the above product and reacting the product with HSiR2nL3?n to obtain Rf(CF2)a—C(?O)N(—R1CH2CH2SiR2nL3?n)2 wherein Rf is a linear polyfluoroalkyl group having at least two carbon atoms and at least one etheric oxygen atom between carbon atoms, Rf4 is a C1-30 perfluoroalkyl group or the like, X1 is a halogen atom, R1 is an alkylene group, a is an integer of from 1 to 5, R2 is a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 30, 2021
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Motoshi AOYAMA, Kiyotaka TAKAO
  • Patent number: 11066517
    Abstract: Processes for producing a fluorinated ether compound are provided by which fluorinated ether compound capable of imparting excellent water/oil repellency, to a substrate surface or a hard coat layer can be easily produced in high yield. A process comprising reacting Rf(CF2)a—CF2OC(?O)Rf4 or Rf(CF2)a—C(?O)X1 with HN(—R1CH?CH2)2 to obtain Rf(CF2)a—C(?O)N(—R1CH2?CH2)2 and a process comprising obtaining the above product and reacting the product with HSiR2nL3-n to obtain Rf(CF2)a—C(?O)N(—R1CH2CH2SiR2nL3-n)2 wherein Rf is a linear polyfluoroalkyl group having at least two carbon atoms and at least one etheric oxygen atom between carbon atoms, Rf4 is a C1-30 perfluoroalkyl group or the like, X1 is a halogen atom, R1 is an alkylene group, a is an integer of from 1 to 5, R2 is a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: July 20, 2021
    Assignee: AGC Inc.
    Inventors: Taiki Hoshino, Motoshi Aoyama, Kiyotaka Takao
  • Publication number: 20210095160
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Kiyotaka TAKAO, Kazue TODA, Kenji ISHIZEKI, Akira ISOBE
  • Publication number: 20210047540
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.
    Type: Application
    Filed: September 30, 2020
    Publication date: February 18, 2021
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Kiyotaka TAKAO, Kazue TODA, Kenji ISHIZEKI, Akira ISOBE
  • Publication number: 20200361814
    Abstract: To provide a substrate with a film excellent in fingerprint stain removability and sliding resistance. The substrate with a film of the present invention comprises a substrate and a film having a poly(oxyfluoroalkylene) chain disposed only on a part of region on the principal plane of the substrate.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 19, 2020
    Applicant: AGO Inc.
    Inventors: Yusuke TOMIYORI, Kiyotaka TAKAO, Taiki HOSHINO, Toyokazu ENTA, Maemi Iwahashi
  • Patent number: 10836862
    Abstract: To provide a surface treatment agent capable of imparting excellent water/oil repellency, fingerprint stain removability, abrasion resistance and lubricity to the surface of a substrate. A surface treatment agent for a substrate, comprising a perfluoropolyether group-containing phosphate compound, a coating agent comprising the surface treatment agent and a liquid medium, and a substrate having a surface layer formed from the surface treatment agent or the coating agent.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: November 17, 2020
    Assignee: AGC Inc.
    Inventor: Kiyotaka Takao
  • Patent number: 10829666
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: November 10, 2020
    Assignee: AGC Inc.
    Inventors: Taiki Hoshino, Kiyotaka Takao, Kazue Toda, Kenji Ishizeki, Akira Isobe
  • Publication number: 20200115589
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1—O—(Rf1O)m1-Q1[C(O)N(R1)]p1—R11C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; ml is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Kiyotaka TAKAO, Kazue TODA, Kenji ISHIZEKI, Akira ISOBE
  • Patent number: 10550288
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: February 4, 2020
    Assignee: AGC Inc.
    Inventors: Taiki Hoshino, Kiyotaka Takao, Kazue Toda, Kenji Ishizeki, Akira Isobe
  • Publication number: 20190218339
    Abstract: Processes for producing a fluorinated ether compound are provided by which fluorinated ether compound capable of imparting excellent water/oil repellency, to a substrate surface or a hard coat layer can be easily produced in high yield. A process comprising reacting Rf(CF2)a—CF2OC(?O)Rf4 or Rf(CF2)a—C(?O)X1 with HN(—R1CH?CH2)2 to obtain Rf(CF2)a—C(?O)N(—R1CH2?CH2)2 and a process comprising obtaining the above product and reacting the product with HSiR2nL3-n to obtain Rf(CF2)a—C(?O)N(—R1CH2CH2SiR2nL3-n)2 wherein Rf is a linear polyfluoroalkyl group having at least two carbon atoms and at least one etheric oxygen atom between carbon atoms, Rf4 is a C1-30 perfluoroalkyl group or the like, X1 is a halogen atom, R1 is an alkylene group, a is an integer of from 1 to 5, R2 is a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2.
    Type: Application
    Filed: February 22, 2019
    Publication date: July 18, 2019
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Motoshi AOYAMA, Kiyotaka TAKAO
  • Patent number: 10239997
    Abstract: To provide a surface treatment agent capable of imparting excellent water/oil repellency, fingerprint stain removability, abrasion resistance and lubricity to the surface of a substrate. A surface treatment agent for a substrate, comprising a perfluoropolyether group-containing phosphate compound, a coating agent comprising the surface treatment agent and a liquid medium, and a substrate having a surface layer formed from the surface treatment agent or the coating agent.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: March 26, 2019
    Assignee: AGC Inc.
    Inventor: Kiyotaka Takao
  • Publication number: 20190040195
    Abstract: To provide a surface treatment agent capable of imparting excellent water/oil repellency, fingerprint stain removability, abrasion resistance and lubricity to the surface of a substrate. A surface treatment agent for a substrate, comprising a perfluoropolyether group-containing phosphate compound, a coating agent comprising the surface treatment agent and a liquid medium, and a substrate having a surface layer formed from the surface treatment agent or the coating agent.
    Type: Application
    Filed: October 9, 2018
    Publication date: February 7, 2019
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Kiyotaka TAKAO
  • Patent number: 10138391
    Abstract: A fluorinated compound represented by D1-Rf1—O—CH2—(CmF2mO)n-A (wherein D1 is CF3— or CF3—O—, Rf1 is a C1-20 fluoroalkylene group containing at least one hydrogen atom, a C2-20 fluoroalkylene group containing at least one hydrogen atom and having an etheric oxygen atom between carbon-carbon atoms, etc., m is an integer of from 1 to 6, n is an integer of from 1 to 200, and A is a monovalent organic group having at least one (meth)acryloyl group), which is capable of imparting excellent antifouling properties (oily ink repellency, fingerprint stain removability) and lubricity to e.g. a hard coat layer; a hard coat layer-forming composition which contains such a fluorinated compound; and an article having a hard coat layer formed from such a composition.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: November 27, 2018
    Assignee: AGC Inc.
    Inventors: Kiyotaka Takao, Toyomichi Shimada, Taiki Hoshino
  • Patent number: 10138315
    Abstract: A composition including a fluorinated compound (A), a compound (B) and a solvent (S1), wherein the content of the fluorinated compound (A) in the composition is from 5 to 30 mass % to the composition, and the content of the compound (B) is from 0.1 to 2 mass % to the composition, wherein the fluorinated compound (A) has no isocyanate group and has a portion derived from a compound (a) having a poly(oxyperfluoroalkylene) chain and an active hydrogen-containing group, a portion derived from a compound (b) having a polymerizable carbon-carbon double bond and an active hydrogen-containing group, and a portion derived from a polyisocyanate (c), and wherein the compound (B) has a polymerizable carbon-carbon double bond and an active hydrogen-containing group.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: November 27, 2018
    Assignee: AGC INC.
    Inventors: Kiyotaka Takao, Taiki Hoshino
  • Publication number: 20180148606
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1—O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13?n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.
    Type: Application
    Filed: January 23, 2018
    Publication date: May 31, 2018
    Applicant: Asahi Glass Company, Limited
    Inventors: Taiki Hoshino, Kiyotaka Takao, Kazue Toda, Kenji Ishizeki, Akira Isobe
  • Patent number: 9969890
    Abstract: Provided is a fluorinated ether compound capable of imparting excellent antifouling properties such as oil-based ink repellency, fingerprint stain removability, to a hard coating layer; a composition for forming a hard coating layer, and an article having an antifouling hard coating layer formed from the composition. The fluorinated ether compound has either a poly(oxyperfluoroalkylene) chain having a repeated unit that includes a C1-2 oxyperfluoroalkylene group and a C3-6 oxyperfluoroalkylene group, bonded to each other, or a poly(oxyperfluoroalkylene) chain having a repeated unit that contains a C4 oxyperfluoroalkylene group and a different oxyperfluoroalkylene group, bonded to each other, a linking group bonded to a first terminal of the poly(oxyperfluoroalkylene) chain, and at least one (meth)acryloyl group bonded to the linking group.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: May 15, 2018
    Assignee: Asahi Glass Company, Limited
    Inventors: Kiyotaka Takao, Nobuyuki Otozawa, Daisuke Jomuta, Kuniko Okano, Taiki Hoshino
  • Publication number: 20180022851
    Abstract: To provide a fluorinated compound capable of imparting excellent antifouling properties (oily ink repellency and fingerprint-stain removability) and abrasion resistance of the antifouling properties to an object (such as a hard coat layer). It is a reaction product of a compound (a1) having a poly(oxyperfluoroalkylene) chain and one active hydrogen-containing group, a compound (a2) having a poly(oxyperfluoroalkylene) chain and two active hydrogen-containing groups, a compound (b) having a polymerizable carbon-carbon double bond and an active hydrogen-containing group, and a polyisocyanate (c), wherein the proportion of the portion derived from the compound (a1) to the total (100 mass %) of the portion derived from the compound (a1) and the portion derived from the compound (a2) is from 60 to 99.9 mass %.
    Type: Application
    Filed: August 17, 2017
    Publication date: January 25, 2018
    Applicant: Asahi Glass Company, Limited
    Inventors: Kiyotaka Takao, Taiki Hoshino
  • Publication number: 20180022850
    Abstract: To provide a fluorinated compound-containing composition which is capable of imparting excellent antifouling properties to an object (such as a hard coat layer) and which is excellent in compatibility and has foaming suppressed. This composition comprises the following fluorinated compound (A), the following compound (B) and a solvent (S1), wherein the content of the following fluorinated compound (A) in the composition is from 5 to 30 mass % to the composition, and the content of the following compound (B) is from 0.
    Type: Application
    Filed: August 17, 2017
    Publication date: January 25, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Kiyotaka Takao, Taiki Hoshino
  • Publication number: 20170183449
    Abstract: To provide a surface treatment agent capable of imparting excellent water/oil repellency, fingerprint stain removability, abrasion resistance and lubricity to the surface of a substrate. A surface treatment agent for a substrate, comprising a perfluoropolyether group-containing phosphate compound, a coating agent comprising the surface treatment agent and a liquid medium, and a substrate having a surface layer formed from the surface treatment agent or the coating agent.
    Type: Application
    Filed: March 9, 2017
    Publication date: June 29, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Kiyotaka TAKAO