Patents by Inventor Eiichiro ANRAKU
Eiichiro ANRAKU 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: 20230406869Abstract: A compound represented by the following formula (A1) or (A2): G1-(CH2)m1—CHX1—(CH2)n1-M ??Formula (A1) M-(CH2)n2—CHX1—(CH2)m2-G2(CH2)m3—CHX1—(CH2)n3-M ??Formula (A2). Where in the formula (A1) and (A2), G1, G2, X1, M, n1, n2, n3, m1, m2, and m3 are as defined in the disclosure. A method for producing a compound represented by the following formula (B1) or (B2), where M in the compound of formula (A1) or (A2) is converted into a hydrogen or hydrocarbon group represented by R3: G1-(CH2)m1—CHX1—(CH2)n1—R3 ??Formula (B1) R3—(CH2)n2—CHX1—(CH2)m2-G2-(CH2)m3—CHX1—(CH2)n3—R3 ??Formula (B2). Where in the formulas B1 and B2, G1, G2, X1, R3, n1, n2, n3, m1, m2, and m3 are as defined in the disclosure.Type: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Applicant: AGC Inc.Inventors: Makoto UNO, Eiichiro ANRAKU, Takafumi KAWAKAMI, Keigo MATSUURA
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Publication number: 20230392038Abstract: The object is to provide a composition capable of forming a surface layer excellent in abrasion resistance, a base material with the surface layer, and a method for producing the base material with the surface layer. The composition of the present invention comprises a fluorinated ether compound having a poly(oxyfluoroalkylene) chain and a reactive silyl group, and a crosslinking agent having a plurality of reactive silyl groups and no poly(oxyfluoroalkylene) chain.Type: ApplicationFiled: August 17, 2023Publication date: December 7, 2023Applicant: AGC Inc.Inventors: Kazumi KOUDA, Takafumi KAWAKAMI, Eiichiro ANRAKU, Keigo MATSUURA, Makoto UNO
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Publication number: 20230392039Abstract: There are provided a novel compound, a method for producing the same, and a method for producing a surface treatment agent using the novel compound as a raw material. A compound represented by the following formula (A1) or (A2). G1-(CH2)n-M??Formula (A1) M-(CH2)n-G2-(CH2)n-M??Formula (A2) where, each reference sign in the formula is as described in the specification.Type: ApplicationFiled: August 23, 2023Publication date: December 7, 2023Applicant: AGC Inc.Inventors: Makoto UNO, Eiichiro ANRAKU, Takafumi KAWAKAMI, Keigo MATSUURA
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Patent number: 11773216Abstract: A fluorinated ether compound and a composition capable of forming a light resistant surface layer and an article are provided. The fluorinated ether compound of the present invention has a poly(oxyfluoroalkylene) chain, a reactive silyl group and a group (A) represented by —NR—C(O)— (wherein R is a hydrogen atom or an alkyl group), wherein the carbonyl carbon in the group (A) is bonded to a carbon atom, and the poly(oxyfluoroalkyiene) chain is located at the nitrogen end of the group (A).Type: GrantFiled: May 17, 2021Date of Patent: October 3, 2023Assignee: AGC Inc.Inventors: Keigo Matsuura, Eiichiro Anraku, Ryuta Takashita, Koki Watanabe, Makoto Uno, Koichi Murata, Takafumi Kawakami
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Patent number: 11542407Abstract: 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: GrantFiled: January 28, 2020Date of Patent: January 3, 2023Assignee: AGC Inc.Inventors: Taiki Hoshino, Keigo Matsuura, Eiichiro Anraku, Masahiro Ito, Hiromasa Yamamoto, Motoshi Aoyama, Yusuke Tomiyori, Yutaka Furukawa
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Publication number: 20220380313Abstract: A method for a high yield production of a difluoromethyl-substituted aromatic heterocyclic compound having a partial structure represented by formula (II), which includes reacting an N-oxido aromatic heterocyclic compound having a partial structure represented by formula (I) with tetrafluoroethylene in a solvent selected from an aromatic hydrocarbon solvent, an ester solvent, and an ether solvent.Type: ApplicationFiled: July 26, 2022Publication date: December 1, 2022Applicant: AGC Inc.Inventors: Yoshitaka NOMURA, Eiichiro ANRAKU
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Publication number: 20220380311Abstract: A method for producing an aromatic heterocycle-substituted difluoroacetic acid derivative having a partial structure represented by the formula (III), by reacting an N-oxido aromatic heterocyclic compound having a partial structure represented by the formula (I) with tetrafluoroethylene in the presence of a compound represented by the formula (II): R—YH, in a solvent selected from an aromatic hydrocarbon solvent, an ester solvent and an ether solvent:Type: ApplicationFiled: July 19, 2022Publication date: December 1, 2022Applicant: AGC Inc.Inventors: Yoshitaka NOMURA, Eiichiro ANRAKU
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Patent number: 11365285Abstract: 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 are provided. The fluorinated ether compound is 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 a n d 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: GrantFiled: January 30, 2020Date of Patent: June 21, 2022Assignee: AGC Inc.Inventors: Makoto Uno, Hiromasa Yamamoto, Taiki Hoshino, Keigo Matsuura, Eiichiro Anraku
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Publication number: 20220106495Abstract: 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: ApplicationFiled: December 15, 2021Publication date: April 7, 2022Applicant: AGC Inc.Inventors: Yusuke TOMIYORI, Taiki HOSHINO, Eiichiro ANRAKU, Kenji ISHIZEKI, Ryoji AKIYAMA
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Patent number: 11208529Abstract: 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: GrantFiled: April 2, 2020Date of Patent: December 28, 2021Assignee: AGC Inc.Inventors: Yutaka Furukawa, Taiki Hoshino, Keigo Matsuura, Makoto Uno, Eiichiro Anraku
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Publication number: 20210348024Abstract: 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: ApplicationFiled: July 20, 2021Publication date: November 11, 2021Applicant: AGC Inc.Inventors: Keigo MATSUURA, Taiki HOSHINO, Kiyotaka TAKAO, Makoto UNO, Eiichiro ANRAKU, Motoshi AOYAMA, Naoki KATSUKI, Yusuke TOMIYORI, Toyokazu ENTA, Hiromasa YAMAMOTO
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Publication number: 20210269592Abstract: 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: ApplicationFiled: May 10, 2021Publication date: September 2, 2021Applicant: AGC Inc.Inventors: Eiichiro ANRAKU, Keigo MATSUURA, Taiki HOSHINO
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Publication number: 20210269591Abstract: A fluorinated ether compound and a composition capable of forming a light resistant surface layer and an article are provided. The fluorinated ether compound of the present invention has a poly(oxyfluoroalkylene) chain, a reactive silyl group and a group (A) represented by —NR—C(O)— (wherein R is a hydrogen atom or an alkyl group), wherein the carbonyl carbon in the group (A) is bonded to a carbon atom, and the poly(oxyfluoroalkylene) chain is located at the nitrogen end of the group (A).Type: ApplicationFiled: May 17, 2021Publication date: September 2, 2021Applicant: AGC Inc.Inventors: Keigo MATSUURA, Eiichiro ANRAKU, Ryuta TAKASHITA, Koki WATANABE, Makoto UNO, Koichi MURATA, Takafumi KAWAKAMI
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Publication number: 20200231747Abstract: 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: ApplicationFiled: April 2, 2020Publication date: July 23, 2020Applicant: AGC Inc.Inventors: Yutaka Furukawa, Taiki Hoshino, Keigo Matsuura, Makoto Uno, Eiichiro Anraku
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Patent number: 10696848Abstract: 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: GrantFiled: October 5, 2018Date of Patent: June 30, 2020Assignee: AGC Inc.Inventors: Taiki Hoshino, Kazue Toda, Eiichiro Anraku, Masahiro Itoh
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Publication number: 20200165385Abstract: 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: ApplicationFiled: January 30, 2020Publication date: May 28, 2020Applicant: AGC IncInventors: Makoto UNO, Hiromasa YAMAMOTO, Taiki HOSHINO, Keigo MATSUURA, Eiichiro ANRAKU
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Publication number: 20200157376Abstract: 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: ApplicationFiled: January 28, 2020Publication date: May 21, 2020Applicant: AGC Inc.Inventors: Taiki HOSHINO, Keigo Matsuura, Eiichiro Anraku, Masahiro Ito, Hiromasa Yamamoto, Motoshi Aoyama, Yusuke Tomiyori, Yutaka Furukawa
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Publication number: 20190040266Abstract: 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: ApplicationFiled: October 5, 2018Publication date: February 7, 2019Applicant: AGC Inc.Inventors: Taiki HOSHINO, Kazue TODA, Eiichiro ANRAKU, Masahiro ITOH