Patents by Inventor Toyomichi Shimada
Toyomichi Shimada 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).
-
Patent number: 10138391Abstract: 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: GrantFiled: September 17, 2015Date of Patent: November 27, 2018Assignee: AGC Inc.Inventors: Kiyotaka Takao, Toyomichi Shimada, Taiki Hoshino
-
Publication number: 20160002488Abstract: 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: ApplicationFiled: September 17, 2015Publication date: January 7, 2016Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Kiyotaka TAKAO, Toyomichi Shimada, Taiki Hoshino
-
Patent number: 8901264Abstract: To provide a copolymer which can impart sufficient dynamic water repellency, after air-drying water repellency and friction durability to a surface of an article, and which has low impact on the environment, a method for producing the same, a water repellent composition and an article excellent in dynamic water repellency, after air-drying water repellency and friction durability.Type: GrantFiled: September 9, 2010Date of Patent: December 2, 2014Assignee: Asahi Glass Company, LimitedInventors: Kazunori Sugiyama, Toyomichi Shimada, Nobuyuki Otozawa, Yuuichi Oomori, Minako Shimada
-
Patent number: 8609795Abstract: A water and oil repellent composition having excellent durability, which can impart excellent water and oil repellency to an object, even in a process at low temperatures, and which enables water and oil repellent treatment providing a soft hand. A water and oil repellent composition which comprises, as an essential component, a copolymer containing polymerization units of the following monomer (a) and polymerization units of the following monomer (b): monomer (a): an Rf group-containing monomer which forms a photopolymer having no melting point or a melting point of at most 55° C. attributable to fine crystals derived from the Rf groups and having a glass transition point of at least 20° C. monomer (b): a monomer having no Rf group and having a cross-linkable functional group.Type: GrantFiled: November 15, 2007Date of Patent: December 17, 2013Assignee: Asahi Glass Company, LimitedInventors: Shuichiro Sugimoto, Minako Shimada, Toyomichi Shimada, Ryuji Seki, Takashige Maekawa
-
Patent number: 8017709Abstract: To provide an amorphous fluorinated polymer which is soluble in a fluorinated solvent having a boiling point of at most 70° C., and a fluorinated polymer composition containing it. An amorphous fluorinated polymer characterized by having a fluorine content of at least 50 mass % and an intrinsic viscosity of at least 0.03 g/dL and less than 0.05 dL/g as measured in perfluoro(2-butyltetrahydrofuran) at 30° C.Type: GrantFiled: July 7, 2008Date of Patent: September 13, 2011Assignee: Asahi Glass Company, LimitedInventors: Nobuyuki Otozawa, Toyomichi Shimada
-
Publication number: 20110196067Abstract: To provide a water/oil repellent composition which is capable of imparting sufficient dynamic water repellency and post-air-drying water repellency to the surface of an article and which presents a low environmental impact, and a method for its production. A water/oil repellent composition which comprises a copolymer having structural units based on the following monomer (a), structural units based on the following monomer (b) and structural units based on the following monomer (c), and a medium, wherein the molar ratio of the structural units based on the monomer (a) to the structural units based on the monomer (b) (i.e. (a)/(b)) is at least 1: monomer (a): vinyl chloride; monomer (b): a vinyl ether having no polyfluoroalkyl group and having a crosslinkable functional group; and monomer (c): a monomer having a polyfluoroalkyl group.Type: ApplicationFiled: April 18, 2011Publication date: August 11, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Nobuyuki OTOZAWA, Yuuichi Oomori, Minako Shimada, Toyomichi Shimada
-
Publication number: 20110071248Abstract: To provide a copolymer which is capable of providing an article surface with a dynamic water repellency and which has extremely excellent washing durability of water repellency and oil repellency, while placing little burden on the environment; a method for its production; and a water/oil repellent composition. A copolymer comprising structural units of the monomer (a) and structural units of the monomer (b), wherein the total of the content of structural units based on the monomer (a) and the content of structural units based on the monomer (b) is at least 85 mass % of all structural units (100 mass %), and the molar ratio ((a)/(b)) of the content of structural units based on the monomer (a) to the content of structural units based on the monomer (b) is from 0.12 to 3; and a water/oil repellent composition containing such a copolymer.Type: ApplicationFiled: December 2, 2010Publication date: March 24, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Kazunori Sugiyama, Toyomichi Shimada, Nobuyuki Otozawa, Yuuichi Oomori, Minako Shimada
-
Publication number: 20100331479Abstract: To provide a copolymer which can impart sufficient dynamic water repellency, after air-drying water repellency and friction durability to a surface of an article, and which has low impact on the environment, a method for producing the same, a water repellent composition and an article excellent in dynamic water repellency, after air-drying water repellency and friction durability.Type: ApplicationFiled: September 9, 2010Publication date: December 30, 2010Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Kazunori Sugiyama, Toyomichi Shimada, Nobuyuki Otozawa, Yuuichi Oomori
-
Publication number: 20080293863Abstract: To provide an amorphous fluorinated polymer which is soluble in a fluorinated solvent having a boiling point of at most 70° C., and a fluorinated polymer composition containing it. An amorphous fluorinated polymer characterized by having a fluorine content of at least 50 mass % and an intrinsic viscosity of at least 0.03 g/dL and less than 0.05 g/dL as measured in perfluoro(2-butyltetrahydrofuran) at 30° C.Type: ApplicationFiled: July 7, 2008Publication date: November 27, 2008Applicant: Asahi Glass Company, LimitedInventors: Nobuyuki OTOZAWA, Toyomichi Shimada
-
Publication number: 20080076862Abstract: A water and oil repellent composition having excellent durability, which can impart excellent water and oil repellency to an object, even in a process at low temperatures, and which enables water and oil repellent treatment providing a soft hand. A water and oil repellent composition which comprises, as an essential component, a copolymer containing polymerization units of the following monomer (a) and polymerization units of the following monomer (b): monomer (a): an Rf group-containing monomer which forms a photopolymer having no melting point or a melting point of at most 55° C. attributable to fine crystals derived from the Rf groups and having a glass transition point of at least 20° C. monomer (b): a monomer having no Rf group and having a cross-linkable functional group.Type: ApplicationFiled: November 15, 2007Publication date: March 27, 2008Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Shuichiro Sugimoto, Minako Shimada, Toyomichi Shimada, Ryuji Seki, Takashige Maekawa
-
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
-
Publication number: 20060024613Abstract: A composition for a photoresist protective film comprising a fluoropolymer having at least one functional group selected from the group consisting of —COOH, —SO3H, —OP(?O)(OH)2, —NR2 and —N+R3Cl? (wherein R represents a C1-4 alkyl group) and having a weight average molecular weight Mw of from 1,000 to 100,000 and a solvent.Type: ApplicationFiled: July 29, 2005Publication date: February 2, 2006Applicant: Asahi Glass Company, LimitedInventors: Nobuyuki Otozawa, Toyomichi Shimada
-
Publication number: 20060004129Abstract: 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: ApplicationFiled: July 28, 2005Publication date: January 5, 2006Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Nobuyuki Otozawa, Toyomichi Shimada, Takashige Maekawa, Naoko Sumi
-
Publication number: 20050267241Abstract: A water and oil repellent composition having excellent durability, which can impart excellent water and oil repellency to an object, even in a process at low temperatures, and which enables water and oil repellent treatment providing a soft hand. A water and oil repellent composition which comprises, as an essential component, a copolymer containing polymerization units of the following monomer (a) and polymerization units of the following monomer (b): monomer (a): an Rf group-containing monomer which forms a photopolymer having no melting point or a melting point of at most 55° C. attributable to fine crystals derived from the Rf groups and having a glass transition point of at least 20° C. monomer (b): a monomer having no Rf group and having a cross-linkable functional group.Type: ApplicationFiled: April 15, 2005Publication date: December 1, 2005Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Shuichiro Sugimoto, Minako Shimada, Toyomichi Shimada, Ryuji Seki, Takashige Maekawa
-
Patent number: 6767946Abstract: A water and oil repellent composition comprising a compound of the following formula (1) and a thermoplastic polymer, as essential components: where the symbols in the formula (1) have the following meanings: Rf: a C1-20 polyfluoroalkyl group, X: (CH2)m, wherein m is an integer of from 1 to 10, A, A1, A2: each independently, O, S or N(Z3), wherein Z3 is a hydrogen atom or an alkyl group, Z1: an octadecyl group, Z2: an alkyl group, or an alkyl group having at least one hydrogen atom substituted, W: a trivalent organic group, and a, b: each independently, 1 or 2, provided that a+b is 2 or 3.Type: GrantFiled: September 24, 2002Date of Patent: July 27, 2004Assignee: Asahi Glass Company, LimitedInventors: Toyomichi Shimada, Masako Tada, Takashige Maekawa
-
Patent number: 6610775Abstract: A water dispersion type water and oil repellent composition capable of imparting highly long-lasting water and oil repellency to fibers of various materials. It comprises a polymer which essentially contains polymerized units of a (meth)acrylate having a polyfluoroalkyl group and polymerized units of a polymerizable monomer which essentially contains a polymerizable unsaturated group and a hydroxyl group and in which the polymerizable unsaturated group and the hydroxyl group are connected to each other through 7 or more covalent bonds, a surfactant which contains a nonionic surfactant in an amount of from 60 to 100 wt %, an aqueous medium, and a cross-linkable compound.Type: GrantFiled: September 25, 2001Date of Patent: August 26, 2003Assignee: Asahi Glass Company, LimitedInventors: Kazuya Oharu, Yuriko Kaida, Toyomichi Shimada, Takashige Maekawa
-
Patent number: 6590035Abstract: A water repellent composition is provided containing the polymers (A) and (B), wherein polymers (A) and (B) are not present in the same particles, wherein polymer (A) is an addition polymer having at least 60 mass % of polymerized units of a (meth)acrylate (a) having a polyfluoroalkyl group, and 0-40 mass % of a methacrylate (b) having a long chain alkyl group and not a polyfluoroalkyl group, and, if necessary, polymerized units of a polymerizable monomer (x) other than monomers (a) and (b), polymer (B) is an addition polymer having 0-60 mass % of monomer (a), and at least 30 mass % of polymerized units of a polymerizable monomer (c), other than monomers (a) and (b), and, if necessary, polymerized units of a monomer (y) other than monomers (a) and (c), along with an article treated therewith and the method of treating an article with the water repellent composition.Type: GrantFiled: October 30, 2001Date of Patent: July 8, 2003Assignee: Asahi Glass Company, LimitedInventors: Toyomichi Shimada, Kyoichi Kaneko, Takashige Maekawa
-
Publication number: 20030100639Abstract: A water and oil repellent composition comprising a compound of the following formula (1) and a thermoplastic polymer, as essential components: 1Type: ApplicationFiled: September 24, 2002Publication date: May 29, 2003Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Toyomichi Shimada, Masako Tada, Takashige Maekawa
-
Publication number: 20020107327Abstract: A water repellent composition is provided containing the polymers (A) and (B), wherein polymers (A) and (B) are not present in the same particles, wherein polymer (A) is an addition polymer having at least 60 mass % of polymerized units of a (meth)acrylate (a) having a polyfluoroalkyl group, and 0-40 mass % of a methacrylate (b) having a long chain alkyl group and not a polyfluoroalkyl group, and, if necessary, polymerized units of a polymerizable monomer (x) other than monomers (a) and (b), polymer (B) is an addition polymer having 0-60 mass % of monomer (a), and at least 30 mass % of polymerized units of a polymerizable monomer (c), other than monomers (a) and (b), and, if necessary, polymerized units of a monomer (y) other than monomers (a) and (c), along with an article treated therewith and the method of treating an article with the water repellent composition.Type: ApplicationFiled: October 30, 2001Publication date: August 8, 2002Applicant: Asahi Glass Company, LimitedInventors: Toyomichi Shimada, Kyoichi Kaneko, Takashige Maekawa
-
Patent number: 6395821Abstract: The invention relates to a water dispersion type water and oil repellent composition which satisfies both repeated washing durability of water and oil repellency and durability of hydrostatic pressure resistance. A water dispersion type water and oil repellent composition comprising (A) a fluorine-containing copolymer having hydroxy groups, (B) a fluorine-containing copolymer having epoxy groups, (C) a compound having a blocked isocyanate group and having no carbon-carbon unsaturated bond and (D) an amino resin, as effective components.Type: GrantFiled: November 29, 2000Date of Patent: May 28, 2002Assignee: Asahi Glass Company, LimitedInventors: Toyomichi Shimada, Takashige Maekawa