Patents by Inventor Taiki Hoshino

Taiki Hoshino 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: 20220144994
    Abstract: To provide a method for surface modification of a fluororesin, that enables graft polymerization at a lower temperature than a conventional method. A method for surface modification of a fluororesin, which comprises reacting a fluororesin with a radical reactive compound in the presence of an organometallic compound.
    Type: Application
    Filed: January 21, 2022
    Publication date: May 12, 2022
    Applicant: AGC Inc.
    Inventors: Ryuichi SUGIMOTO, Taiki HOSHINO, Eisuke MUROTANI, Nobuyuki OTOZAWA
  • Publication number: 20220106495
    Abstract: To provide an article with a surface layer, that is excellent in fingerprint stain removability, friction resistance, and adhesion to a protective film of the surface layer. An article with a surface layer, comprising a base material and a surface layer provided on the surface of the base material and characterized in that the surface layer contains groups having —O— between carbon-carbon atoms of a fluoroalkyl group with two or more carbon atoms, and the normalized F intensity obtained by preparing a glass containing 4.96 mass % of fluorine atoms (IGS G4 Fluoride Opal Glass manufactured by Bureau of Analysed Samples Ltd.) as a standard sample, measuring, by an X-ray fluorescence spectrometer, the fluorine atom intensity in the surface layer and the fluorine atom intensity in the standard sample, respectively, and dividing the fluorine atom intensity in the surface layer by the fluorine atom intensity in the standard sample, is from 0.38 to 0.53.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 7, 2022
    Applicant: AGC Inc.
    Inventors: Yusuke TOMIYORI, Taiki HOSHINO, Eiichiro ANRAKU, Kenji ISHIZEKI, Ryoji AKIYAMA
  • Publication number: 20210403402
    Abstract: To provide a fluorinated ether compound capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance and light resistance; a fluorinated ether composition and a coating liquid containing the fluorinated ether compound; an article having a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance and light resistance and a method for producing it. A fluorinated ether compound having a poly(oxyperfluoroalkylene) chain having a unit (a) which is an oxyperfluoroalkylene unit having 5 or 6 carbon atoms, and a unit (P) which is an oxyperfluoroalkylene unit having at most 4 carbon atoms, and having at least one of a hydrolysable silyl group and a silanol group on at least one terminal of the poly(oxyperfluoroalkylene) chain via a linking group.
    Type: Application
    Filed: September 8, 2021
    Publication date: December 30, 2021
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Makoto UNO, Masahiro ITO
  • Patent number: 11208529
    Abstract: To provide a fluorinated ether compound capable of forming a surface layer excellent in fingerprint stain removability and abrasion resistance as before and more excellent in light resistance than ever. A fluorinated ether compound represented by A1—O—(Rf1O)m—A2, wherein A1 is a perfluoroalkyl group or the like, A2 is —Q1[—C(R11)b(R12)3?b]a or the like, Rf1 is a fluoroalkylene group, m is from 2 to 500, Q1 is a a+1 valent organic group, R11 is —Q2—Si(R21)c(R22)d(R23)e, R12 is a hydrogen atom, a halogen atom or the like, a is an integer of from 1 to 3, b is 2 or 3, Q2 is a single bond or a bivalent organic group, R21 is —Q3—Si(R31)3?g(R32)g, R22 is an alkyl group, R23 is a hydrolyzable group or a hydroxy group, c, d and e are from 0 to 3, c+d+e is 3, c in at last one R11 among a plurality of R11 is 2 or 3, Q3 is a bivalent organic group, R31 is an alkyl group, R32 is a hydrolyzable group or a hydroxy group, and g is from 1 to 3.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: December 28, 2021
    Assignee: AGC Inc.
    Inventors: Yutaka Furukawa, Taiki Hoshino, Keigo Matsuura, Makoto Uno, Eiichiro Anraku
  • 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
  • Patent number: 11155508
    Abstract: To provide a fluorinated ether compound capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance and light resistance; a fluorinated ether composition and a coating liquid containing the fluorinated ether compound; an article having a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance and light resistance and a method for producing it. A fluorinated ether compound having a poly(oxyperfluoroalkylene) chain having a unit (?) which is an oxyperfluoroalkylene unit having 5 or 6 carbon atoms, and a unit (?) which is an oxyperfluoroalkylene unit having at most 4 carbon atoms, and having at least one of a hydrolysable silyl group and a silanol group on at least one terminal of the poly(oxyperfluoroalkylene) chain via a linking group.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: October 26, 2021
    Assignee: AGC Inc.
    Inventors: Taiki Hoshino, Makoto Uno, Masahiro Ito
  • 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
  • Publication number: 20210269592
    Abstract: A fluorinated compound and a fluorinated compound-containing composition which enable formation of a surface layer having high friction resistance and fingerprint marks removability even if the fluorinated compound has a fluorinated organic group having a shorter chain are provided. A coating liquid, an article including the surface layer on its surface, and a method of producing the same are also provided. A fluorinated compound represented by [(Rf-A-)2N-]a1Q1[-T]b1 (wherein Rf: a fluoroalkyl group or a group having —O— between carbon atoms of a fluoroalkyl group having two or more carbon atoms, A: a divalent organic group having no fluorine atom, Q1: a a1+b1 valent organic group, T: —Si(R)3-c(L)c, R: an alkyl group, L: a hydrolyzable group or a hydroxyl group, a1: an integer of 1 or more, b1: an integer of 2 or more, and c: 2 or 3).
    Type: Application
    Filed: May 10, 2021
    Publication date: September 2, 2021
    Applicant: AGC Inc.
    Inventors: Eiichiro ANRAKU, Keigo MATSUURA, Taiki HOSHINO
  • 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: 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: 20200231747
    Abstract: To provide a fluorinated ether compound capable of forming a surface layer excellent in fingerprint stain removability and abrasion resistance as before and more excellent in light resistance than ever. A fluorinated ether compound represented by A1—O—(Rf1O)m—A2, wherein A1 is a perfluoroalkyl group or the like, A2 is —Q1[—C(R11)b(R12)3?b]a or the like, Rf1 is a fluoroalkylene group, m is from 2 to 500, Q1 is a a+1 valent organic group, R11 is —Q2—Si(R21)c(R22)d(R23)e, R12 is a hydrogen atom, a halogen atom or the like, a is an integer of from 1 to 3, b is 2 or 3, Q2 is a single bond or a bivalent organic group, R21 is —Q3—Si(R31)3?g(R32)g, R22 is an alkyl group, R23 is a hydrolyzable group or a hydroxy group, c, d and e are from 0 to 3, c+d+e is 3, c in at last one R11 among a plurality of R11 is 2 or 3, Q3 is a bivalent organic group, R31 is an alkyl group, R32 is a hydrolyzable group or a hydroxy group, and g is from 1 to 3.
    Type: Application
    Filed: April 2, 2020
    Publication date: July 23, 2020
    Applicant: AGC Inc.
    Inventors: Yutaka Furukawa, Taiki Hoshino, Keigo Matsuura, Makoto Uno, Eiichiro Anraku
  • Patent number: 10696848
    Abstract: The present invention provides: a fluorinated ether compound and a coating liquid capable of forming a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability and lubricity and an article having a surface layer excellent in water/oil repellency, abrasion resistance, fingerprint stain removability and lubricity. Provided is a fluorinated ether compound represented by [Rf-G-]aZ[—(O—R2)c—SiR3nL3?n]b wherein Rf: a linear polyfluoroalkyl group having at least two carbon atoms, which has at least one etheric oxygen between carbon-carbon atoms, G: —R1—O—, —R1—CONH—, —CONH— or a single bond, R1: an alkylene group, Z: a hydrocarbon group having a valence of (a+b) or the like, R2: an alkylene group, R3: a monovalent hydrocarbon group or the like, L: a hydrolyzable group, n: from 0 to 2, a: an integer of at least 1, b: an integer of at least 1, (a+b): at least 3, when a is 1, b is at least 4, and when a is at least 2, b is at least 1, and c: 0 or 1.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: June 30, 2020
    Assignee: AGC Inc.
    Inventors: Taiki Hoshino, Kazue Toda, Eiichiro Anraku, Masahiro Itoh
  • Publication number: 20200165385
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer and a method for producing it. A fluorinated ether compound represented by A-O—(Rf1O)m-Q1(R1)b, wherein A is a C1-20 perfluoroalkyl group, Rf1 is a perfluoroalkylene group, m is an integer of from 2 to 500, (Rf1O)m may consist of two or more types of Rf1O differing in the number of carbon atoms, Q1 is a (b+1) valent perfluorohydrocarbon group which may have a hydroxy group, R1 is a monovalent organic group having at least one hydrolyzable silyl group, b is an integer of at least 2, and the b R1 may be the same or different.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 28, 2020
    Applicant: AGC Inc
    Inventors: Makoto UNO, Hiromasa YAMAMOTO, Taiki HOSHINO, Keigo MATSUURA, Eiichiro ANRAKU
  • Publication number: 20200165273
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it. A fluorinated ether compound represented by A-O—(Rf1O)m—Rf2—SO2N(R1)(R2), wherein A is a C1-20 perfluoroalkyl group, Rf1 is a fluoroalkylene group, m is an integer of from 2 to 500, Rf2 is a fluoroalkylene group, R1 is a monovalent organic group having at least one hydrolyzable silyl group, R2 is a hydrogen atom, a monovalent organic group or a monovalent organic group having at least one hydrolyzable group, and the total number of the hydrolyzable silyl group(s) in R1 and the hydrolyzable group(s) in R2 is at least 2.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 28, 2020
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Eisuke MUROTANI, Keigo MATSUURA, Makoto UNO
  • Publication number: 20200165384
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it. A fluorinated ether compound represented by A-O—(Rf1O)m—Rf2—[C(O)N(R1)]p-Q1-C(R2)[-Q2-SiR3nL3-n]2, wherein A is a C1-20 perfluoroalkyl group, Rf1 is a linear fluoroalkylene group, m is an integer of from 2 to 500, Rf2 is a linear fluoroalkylene group, R1 is a hydrogen atom or an alkyl group, p is 0 or 1, Q1 is a single bond or an alkylene group, R2 is a hydrogen atom, a monovalent hydrocarbon group or the like, Q2 is an alkylene group, R3 is a hydrogen atom or a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 28, 2020
    Applicant: AGC Inc.
    Inventors: Taiki Hoshino, Keigo Matsuura, Makoto Uno, Masahiro Ito, Kenji Ishizeki, Lilin Zhou, Daisuke Kobayashi
  • Publication number: 20200157376
    Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it. A fluorinated ether compound represented by A-O—(Rf1O)m—Rf2—Z1-Q1 (R1)b, wherein A is a C1-20 perfluoroalkyl group, Rf1 is a linear fluoroalkylene group, m is an integer of from 2 to 500, Rf2 is a linear fluoroalkylene group, Z1 is a single bond, —(CR2R3)c— (wherein R2 and R3 are a hydrogen atom, a C1-6 monovalent organic group or the like, and c is an integer of from 1 to 10), a specific bond or a bivalent organic group having a specific bond, Q1 is a group having a (b+1) valent ring, R1 is a monovalent organic group having at least one hydrolyzable silyl group, and b is an integer of at least 2.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 21, 2020
    Applicant: AGC Inc.
    Inventors: Taiki HOSHINO, Keigo Matsuura, Eiichiro Anraku, Masahiro Ito, Hiromasa Yamamoto, Motoshi Aoyama, Yusuke Tomiyori, Yutaka Furukawa
  • 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