Patents by Inventor Osamu Yokokoji

Osamu Yokokoji 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: 20190225585
    Abstract: The invention relates to a method of producing a compound represented by the formula (a) by reacting a compound represented by the formula (c) with a halogenating agent in a non-aqueous system: wherein R1 is a fluoroalkyl group having 1 to 3 carbon atoms, R2 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, R3 is an alkyl group having 1 to 6 carbon atoms, and X is a halogen atom.
    Type: Application
    Filed: July 26, 2017
    Publication date: July 25, 2019
    Applicant: AGC Inc.
    Inventors: Yuichiro ISHIBASHI, Yasushi MATSUMURA, Osamu YOKOKOJI, Tamaki SHIMIZU
  • Patent number: 8236901
    Abstract: Provided is a novel fluorinated compound, a fluoropolymer, and a method for producing the compound. A monomer of the compound has a formula F2?CFCF2C(X)(C(O)OZ)(CH2)nCR?CHR, wherein X is a hydrogen atom, a cyano group, or a group of formula —C(O)OZ; Z is a hydrogen atom or a C1-20 monovalent organic group, n is 0, 1, or 2; and R is a hydrogen atom or a C1-20 monovalent organic group.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: August 7, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Koichi Murata, Naoko Shirota, Osamu Yokokoji, Yoko Takebe
  • Publication number: 20120156504
    Abstract: The present invention relates to a coating material composition for a liquid immersion exposure apparatus, which is used for the purpose of forming a lyophobic layer on a surface of a component member of the liquid immersion exposure apparatus which performs a light exposure of a substrate by irradiating with an exposure beam through a liquid, in which the composition contains a fluorine-containing polymer which has, in the main chain, a repeating unit that has a fluorine-containing aliphatic ring structure containing two or three etheric oxygen atoms which are not adjacent to each other, in the ring structure.
    Type: Application
    Filed: February 29, 2012
    Publication date: June 21, 2012
    Inventors: Yoko TAKEBE, Osamu Yokokoji
  • Patent number: 8178983
    Abstract: It is an object of the present invention to provide a water repellant composition for a substrate to be exposed which inhibits the back side of a substrate to be exposed from being contaminated by an immersion liquid, can improve adhesion between a film to be processed and an organic film directly overlying that film to inhibit film peeling, and has excellent workability, a method for forming a resist pattern, an electronic device produced by the formation method, a treatment method for imparting water repellency to a substrate to be exposed, a water repellent set for a substrate to be exposed, and a treatment method for imparting water repellency to a substrate to be exposed using the same. A water repellent composition for a substrate to be exposed including at least an organosilicon compound represented by the following general formula (1) and a solvent is used.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: May 15, 2012
    Assignees: Renesas Electronics Corporation, Asahi Glass Company, Limited
    Inventors: Takeo Ishibashi, Miwako Ishibashi, legal representative, Mamoru Terai, Takuya Hagiwara, Osamu Yokokoji, Yoko Takebe
  • Publication number: 20110221077
    Abstract: It is an object of the present invention to provide a water repellant composition for a substrate to be exposed which inhibits the back side of a substrate to be exposed from being contaminated by an immersion liquid, can improve adhesion between a film to be processed and an organic film directly overlying that film to inhibit film peeling, and has excellent workability, a method for forming a resist pattern, an electronic device produced by the formation method, a treatment method for imparting water repellency to a substrate to be exposed, a water repellent set for a substrate to be exposed, and a treatment method for imparting water repellency to a substrate to be exposed using the same. A water repellent composition for a substrate to be exposed including at least an organosilicon compound represented by the following general formula (1) and a solvent is used.
    Type: Application
    Filed: February 20, 2009
    Publication date: September 15, 2011
    Inventors: Takeo Ishibashi, Miwako Ishibashi, Mamoru Terai, Takuya Hagiwara, Osamu Yokokoji, Yoko Takebe
  • Publication number: 20100317808
    Abstract: To provide a novel fluorinated compound, a fluoropolymer and a method for producing the compound. A compound represented by the formula CF2?CFCF2C(X)(C(O)OZ)(CH2)nCR?CHR (wherein X is a hydrogen atom, a cyano group or a group represented by the formula —C(O)OZ, Z is a hydrogen atom or a C1-20 monovalent organic group, n is 0, 1, or 2, and R is a hydrogen atom or a C1-20 monovalent organic group), a method for producing it, and a fluoropolymer obtained by polymerizing the compound.
    Type: Application
    Filed: August 18, 2010
    Publication date: December 16, 2010
    Applicant: Asahi Glass Company, Limited
    Inventors: Koichi MURATA, Naoko SHIROTA, Osamu YOKOKOJI, Yoko TAKEBE
  • Patent number: 7825275
    Abstract: To provide a novel fluorinated compound, a fluoropolymer and a method for producing the compound. A compound represented by the formula CF2?CFCF2C(X)(C(O)OZ)(CH2)nCR?CHR (wherein X is a hydrogen atom, a cyano group or a group represented by the formula —C(O)OZ, Z is a hydrogen atom or a C1-20 monovalent organic group, n is 0, 1, or 2, and R is a hydrogen atom or a C1-20 monovalent organic group), a method for producing it, and a fluoropolymer obtained by polymerizing the compound.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: November 2, 2010
    Assignee: Asahi Glass Company, Limited
    Inventors: Koichi Murata, Naoko Shirota, Osamu Yokokoji, Yoko Takebe
  • Publication number: 20100016532
    Abstract: To provide a novel fluorinated compound, a fluoropolymer and a method for producing the compound. A compound represented by the formula CF2?CFCF2C(X)(C(O)OZ)(CH2)nCR?CHR (wherein X is a hydrogen atom, a cyano group or a group represented by the formula —C(O)OZ, Z is a hydrogen atom or a C1-20 monovalent organic group, n is 0, 1, or 2, and R is a hydrogen atom or a C1-20 monovalent organic group), a method for producing it, and a fluoropolymer obtained by polymerizing the compound.
    Type: Application
    Filed: September 28, 2009
    Publication date: January 21, 2010
    Applicant: Asahi Glass Company, Limited
    Inventors: Koichi Murata, Naoko Shirota, Osamu Yokokoji, Yoko Takebe
  • Patent number: 7649065
    Abstract: To provide a novel fluoroadamantane derivative, a novel polymerizable fluoroadamantane derivative and a novel fluoropolymer, and processes for production thereof. To provide the following compound (3), the following compound (4), a polymer obtained by polymerizing the compound (4) and processes for production thereof: provided that Q represents —CHF— or —CF2— (provided that six Qs may be the same or different), Z represents —H, —F or —CH2OH (provided that three Zs may be the same or different), W represents —H or a C1-10 hydrocarbon group, R represents —H, —F, —CH3 or —CF3, and J represents —H, —F, —CHWOH or —CHWOCOCR?CH2 (provided that three Js may be the same or different).
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: January 19, 2010
    Assignee: Asahi Glass Company, Limited
    Inventors: Shu-zhong Wang, Koichi Murata, Kazuya Oharu, Yoshitomi Morizawa, Osamu Yokokoji, Naoko Shirota
  • Publication number: 20090176954
    Abstract: To provide a novel fluoroadamantane derivative, a novel polymerizable fluoroadamantane derivativeand a novel fluoropolymer, and processes for production thereof. To provide the following compound (3), the following compound (4), a polymer obtained by polymerizing the compound (4) and processes for production thereof: provided that Q represents —CHF— or —CF2— (provided that six Qs may be the same or different), Z represents —H, —F or —CH2OH (provided that three Zs may be the same or different), W represents —H or a C1-10 hydrocarbon group, R represents —H, —F, —CH3 or —CF3, and J represents —H, —F, —CHWOH or —CHWOCOCR?CH2 (provided that three Js may be the same or different).
    Type: Application
    Filed: October 25, 2006
    Publication date: July 9, 2009
    Applicant: ASAHI GLASS COMPANY, LLIMITED
    Inventors: Shu-zhong Wang, Koichi Murata, Kazuya Oharu, Yoshitomi Morizawa, Osamu Yokokoji, Naoko Shirota
  • Publication number: 20090061360
    Abstract: To provide a resist protective film material for immersion lithography. An alkali soluble resist protective film material for immersion lithography, which comprises a polymer (F) containing repeating units (FU) formed by polymerizing a polymerizable compound (fm) having a fluorine-containing bridged cyclic structure. For example, repeating units (FU) are repeating units formed by polymerizing a compound (f) selected from the group consisting of the following formulae (f1) to (f4) (RF represents H, F, a C1-3 alkyl group or a C1-3 fluoroalkyl group, and XF represents F, OH or CH2OH.
    Type: Application
    Filed: October 20, 2008
    Publication date: March 5, 2009
    Applicant: Asahi Glass Company, Limited
    Inventors: Yoko Takebe, Shu-zhong Wang, Osamu Yokokoji, Naoko Shirota, Yasuhisa Matsukawa, Daisuke Shirakawa
  • Patent number: 7498393
    Abstract: A fluoropolymer having functional groups and having high transparency in a wide wavelength range is provided, and a resist composition and a composition for a resist protective film, comprising the fluoropolymer, wherein the fluoropolymer has monomer units formed by cyclopolymerization of a fluorinated diene represented by the formula (1): CF2?CFCF2C(CF3)(OR1)—(CH2)nCR2?CHR3??(1) wherein R1 is a hydrogen atom, an alkyl group having at most 20 carbon atoms, or (CH2)aCOOR4 (wherein a is 0 or 1, and R4 is a hydrogen atom or an alkyl group having at most 20 carbon atoms), each of R2 and R3, which are independent of each other, is a hydrogen atom or an alkyl group having at most 12 carbon atoms, and n is 0 or 2, provided that when n is 0, at least one of R1, R2 and R3 is other than a hydrogen atom.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: March 3, 2009
    Assignee: Asahi Glass Company, Limited
    Inventors: Yoko Takebe, Masataka Eda, Osamu Yokokoji, Takashi Sasaki
  • Patent number: 7244545
    Abstract: The present invention provides a fluorinated compound having functional groups in a high concentration so that adequate characteristics of the functional groups can be obtained and having high transparency in a wide wavelength region, a fluoropolymer, and a process for its production. The present invention provides a fluorinated diene represented by the following formula (1): CF2?CFCH2CH(C(R1)(R2)(OH))CH2CH?CH2??(1) wherein each of R1 and R2 which are independent of each other, is a fluorine atom or a fluoroalkyl group having at most 5 carbon atoms.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: July 17, 2007
    Assignee: Asahi Glass Company, Limited
    Inventors: Yoko Takebe, Osamu Yokokoji
  • Publication number: 20070154844
    Abstract: To provide a fluoropolymer having functional groups and having high transparency in a wide wavelength range, and a resist composition and a composition for a resist protective film, comprising the fluoropolymer. A fluoropolymer having monomer units formed by cyclopolymerization of a fluorinated diene represented by the formula (1): CF2?CFCF2C(CF3)(OR1)—(CH2)nCR2?CHR3??(1) wherein R1 is a hydrogen atom, an alkyl group having at most 20 carbon atoms, or (CH2)aCOOR4 (wherein a is 0 or 1, and R4 is a hydrogen atom or an alkyl group having at most 20 carbon atoms), each of R2 and R3, which are independent of each other, is a hydrogen atom or an alkyl group having at most 12 carbon atoms, and n is 0 or 2, provided that when n is 0, at least one of R1, R2 and R3 is other than a hydrogen atom.
    Type: Application
    Filed: January 25, 2007
    Publication date: July 5, 2007
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yoko TAKEBE, Masataka Eda, Osamu Yokokoji, Takashi Sasaki
  • Publication number: 20070083021
    Abstract: A fluorocopolymer having units derived from a monomer unit formed by cyclopolymerization of a fluorinated diene and units derived from a monomer unit formed by cyclopolymerization of a functional group-containing fluorinated diene having a specific structure or a monomer unit formed by polymerization of an acrylic monomer having a specific structure, a method for its production, and a resist composition.
    Type: Application
    Filed: November 7, 2006
    Publication date: April 12, 2007
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masataka Eda, Yoko Takebe, Osamu Yokokoji
  • Publication number: 20060188816
    Abstract: The present invention provides a fluorinated compound having functional groups in a high concentration so that adequate characteristics of the functional groups can be obtained and having high transparency in a wide wavelength region, a fluoropolymer, and a process for its production. The present invention provides a fluorinated diene represented by the following formula (1): CF2?CFCH2CH(C(R1)(R2)(OH))CH2CH?CH2??(1) wherein each of R1 and R2 which are independent of each other, is a fluorine atom or a fluoroalkyl group having at most 5 carbon atoms.
    Type: Application
    Filed: April 27, 2006
    Publication date: August 24, 2006
    Applicant: Asahi Glass Company, Limited
    Inventors: Yoko Takebe, Osamu Yokokoji
  • Patent number: 7091294
    Abstract: A fluoropolymer (A) having units derived from monomer units formed by cyclopolymerization of at least one fluorinated diene selected from a fluorinated diene represented by the formula (1) and a fluorinated diene represented by the formula (2), and units derived from monomer units formed by cyclopolymerization of a fluorinated diene represented by the formula (3): CF2?CFCF2—C(CF3)(OR1)—CH2CH?CH2??(1) CF2?CFCH2—CH((CH2)nC(CF3)2(OR1))—CH2CH?CH2??(2) CF2?CFCH2—CH(COOR2)—CH2CH?CH2??(3) wherein R1 represents a hydrogen atom, a blocked group of a hydroxyl group capable of being converted into a hydrogen atom by an acid, or a blocked carboxyl group-containing organic group capable of being converted into a carboxyl group-containing organic group by an acid, R2 represents a hydrocarbon group having at most 20 carbon atoms, and n represents 0 or 1.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: August 15, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Yoko Takebe, Masataka Eda, Osamu Yokokoji
  • Publication number: 20060135663
    Abstract: To provide a fluoropolymer having functional groups and having high transparency in a wide wavelength region, and a resist composition comprising the fluoropolymer. A fluorinated copolymer having units derived from a monomer unit formed by cyclopolymerization of a fluorinated diene represented by the following formula (1): CF2?CFCH2CH(CH2C(CF3)2(OR1))CH2CH?CH2 ??(1) wherein R1 is a hydrogen atom, an alkyl group having at most 20 carbon atoms, which may have an etheric oxygen atom, an alkoxycarbonyl group having at most 6 carbon atoms, or CH2R2 (wherein R2 is an alkoxycarbonyl group having at most 6 carbon atoms), and units derived from a monomer unit formed by cyclopolymerization of another monomer or units derived from a monomer unit formed by polymerization of an acrylic monomer, and a resist composition having such a fluorinated copolymer as a base polymer.
    Type: Application
    Filed: February 14, 2006
    Publication date: June 22, 2006
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yoko Takebe, Masataka Eda, Osamu Yokokoji
  • Patent number: 7026416
    Abstract: To provide a fluoropolymer suitable for use as a base polymer for resist materials for excimer lasers having a wavelength of 250 nm or shorter. A fluoropolymer having a monomer unit formed by cyclopolymerization of a fluorinated diene compound represented by the following formula (3), CF2?CFCF2—C(CF3)(R5)—CH2CH?CH2??(3) wherein R5 is either a hydroxyl group blocked by —CHR7—O—R8 or an organic group having the hydroxyl group, and R8 is a cyclic saturated hydrocarbon such as a cycloalkyl group which may have a substituent, or an organic group having the cyclic saturated hydrocarbon.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: April 11, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Yasuhide Kawaguchi, Shinji Okada, Yoko Takebe, Osamu Yokokoji, Isamu Kaneko
  • Patent number: 7015366
    Abstract: To provide a fluoropolymer which has a high concentration of functional groups to provide adequate characteristics of the functional groups and which brings about no decrease of Tg. A fluoropolymer having monomer units formed by cyclopolymerization of a functional group-containing fluorinated diene represented by the formula (1): CFR1?CR2—Q—CR3?CHR4 ??(1) wherein each of R1 to R4 which are independent of one another, represents a hydrogen atom, a fluorine atom, an alkyl group having at most 8 carbon atoms, or an alicyclic hydrocarbon group, and at least one of them is an alicyclic hydrocarbon group, provided that hydrogen atoms in the alkyl group or the alicyclic hydrocarbon group may be substituted by a fluorine atom, an alkyl group or a fluoroalkyl group; and Q represents a bivalent organic group having a blocked acidic group capable of developing an acidic group by an acid or a group capable of being converted into such a blocked acidic group.
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: March 21, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Shun-ichi Kodama, Isamu Kaneko, Osamu Yokokoji, Shinji Okada, Yoko Takebe, Yasuhide Kawaguchi