Patents by Inventor Taizo Aoyama

Taizo Aoyama 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: 10253143
    Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: April 9, 2019
    Assignee: KANEKA CORPORATION
    Inventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
  • Patent number: 9273208
    Abstract: Disclosed herein is an acrylic resin film having excellent heat resistance and mechanical strength, less fish-eyes, and high transparency. The acrylic resin film is obtained by molding a resin composition containing a glutarimide acrylic resin (G) and a (meth)acrylic resin (F) obtained by polymerization of a vinyl group-containing compound in the presence of alkyl acrylate-based cross-linked elastic particles having an average particle size of less than 80 nm.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: March 1, 2016
    Assignee: KANEKA CORPORATION
    Inventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
  • Patent number: 9074058
    Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: July 7, 2015
    Assignee: KANEKA CORPORATION
    Inventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
  • Publication number: 20140045995
    Abstract: Disclosed herein is an acrylic resin film having excellent heat resistance and mechanical strength, less fish-eyes, and high transparency. The acrylic resin film is obtained by molding a resin composition containing a glutarimide acrylic resin (G) and a (meth)acrylic resin (F) obtained by polymerization of a vinyl group-containing compound in the presence of alkyl acrylate-based cross-linked elastic particles having an average particle size of less than 80 nm.
    Type: Application
    Filed: February 20, 2012
    Publication date: February 13, 2014
    Applicant: KANEKA CORPORATION
    Inventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
  • Publication number: 20130295396
    Abstract: Disclosed herein is a (meth)acrylic resin film excellent in adhesiveness to vapor-deposited metal and external appearance. The (meth)acrylic resin film includes acrylic rubber particles (A) having an acid value of 0.2 mmol/g or more, wherein an acid value of an entire resin constituting the film is 0.15 mmol/g or more but 1.5 mmol/g or less.
    Type: Application
    Filed: October 18, 2011
    Publication date: November 7, 2013
    Applicant: KANEKA CORPORATION
    Inventors: Fujio Ishimaru, Yukihiro Shimamoto, Taizo Aoyama, Kimihide Nishimura
  • Publication number: 20130184375
    Abstract: A jet-black rubber modified acrylic resin composition comprising: a rubber modified acrylic resin (A); and a carbon black (B) blended with the resin (A), the rubber modified acrylic resin (A) being capable of providing a 3-mm-thick molded product that has transparency with a total light transmittance of 85% or higher, and the carbon black being dispersed in the resin composition and having a particle diameter of 10 to 40 nm.
    Type: Application
    Filed: January 13, 2012
    Publication date: July 18, 2013
    Applicant: KANEKA CORPORATION
    Inventors: Taizo Aoyama, Tetsuo Mekata, Yutaka Kaneda
  • Patent number: 8053491
    Abstract: An object of the invention is to provide a resin composition which is particularly excellent in impact resistance, tensile elongation characteristics, heat resistance, surface properties, moldability and the like accompanied by less time dependent alteration of these properties and which is produced by mixing a certain plasticizer with a biodegradable polymer of plant origin, and to provide a molded product of the composition. The present invention can provide a resin composition comprising a biodegradable 3-hydroxyalkanoate copolymer (A) and a plasticizer (B), wherein: the biodegradable 3-hydroxyalkanoate copolymer (A) has a recurring unit represented by the structure formula (1): [—CHR—CH2—CO—O—] (wherein, R represents an alkyl group represented by CnH2n+1; and n is an integer of 1 to 15); the plasticizer (B) is based upon a polyglycerol acetic acid ester having an acetylation degree of no less than 50% ester.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: November 8, 2011
    Assignee: Kaneka Corporation
    Inventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
  • Patent number: 7973101
    Abstract: Disclosed is a resin composition excellent in impact resistance, tensile properties and processability such as draw down property, which is produced by using a plant-derived biodegradable polymer produced by actively fixing carbon dioxide present in the earth. A resin composition comprising (A) a specific biodegradable (3-hydroxyalkanoate) copolymer, (B) a graft copolymer and (C) an acrylic processing modifier, the graft copolymer (B) and the acrylic processing modifier (C) being contained in the composition in amounts of 0.1 to 100 parts by weight and 0.1 to 30 parts by weight, respectively, based on 100 parts by weight of the biodegradable (3-hydroxyalkanoate) copolymer (A).
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: July 5, 2011
    Assignee: Kaneka Corporation
    Inventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
  • Publication number: 20110151229
    Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.
    Type: Application
    Filed: February 24, 2011
    Publication date: June 23, 2011
    Applicant: KANEKA CORPORATION
    Inventors: Kouji MORITA, Yukihiro SHIMAMOTO, Kazuhito WADA, Taizo AOYAMA
  • Publication number: 20110124816
    Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fuororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.
    Type: Application
    Filed: June 10, 2009
    Publication date: May 26, 2011
    Applicant: KANEKA CORPORATION
    Inventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
  • Patent number: 7919549
    Abstract: Disclosed is a resin composition excellent in molding processability which comprises a plant-derived biodegradable plastic produced by actively fixing carbon dioxide present in the earth. A resin composition excellent in molding processability, comprising (A) a biodegradable (3-hydroxyalkanoate) copolymer having a recurring unit represented by the formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by the formula CnH2n+1 and n is an integer of 1 to 15) and 0.1 to 100 parts by weight, based on 100 parts by weight of (A) the biodegradable (3-hydroxyalkanoate) copolymer, of (B) an acrylic modifier having a weight average molecular weight (Mw) of 500,000 to 10,000,000.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: April 5, 2011
    Assignee: Kaneka Corporation
    Inventors: Nobuo Nakamura, Taizo Aoyama, Yoshihiko Hashimoto, Noriyuki Suzuki
  • Publication number: 20100041791
    Abstract: An object of the invention is to provide a resin composition which is particularly excellent in impact resistance, tensile elongation characteristics, heat resistance, surface properties, moldability and the like accompanied by less time dependent alteration of these properties and which is produced by mixing a certain plasticizer with a biodegradable polymer of plant origin, and to provide a molded product of the composition. The present invention can provide a resin composition comprising a biodegradable 3-hydroxyalkanoate copolymer (A) and a plasticizer (B), wherein: the biodegradable 3-hydroxyalkanoate copolymer (A) has a recurring unit represented by the structure formula (1): [—CHR—CH2—CO—O—] (wherein, R represents an alkyl group represented by CnH2n+1; and n is an integer of 1 to 15); the plasticizer (B) is based upon a polyglycerol acetic acid ester having an acetylation degree of no less than 50% ester.
    Type: Application
    Filed: August 9, 2007
    Publication date: February 18, 2010
    Applicant: KANEKA CORPORATION
    Inventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
  • Publication number: 20090111921
    Abstract: Disclosed is a resin composition excellent in molding processability which comprises a plant-derived biodegradable plastic produced by actively fixing carbon dioxide present in the earth. A resin composition excellent in molding processability, comprising (A) a biodegradable (3-hydroxyalkanoate) copolymer having a recurring unit represented by the formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by the formula CnH2n+1 and n is an integer of 1 to 15) and 0.1 to 100 parts by weight, based on 100 parts by weight of (A) the biodegradable (3-hydroxyalkanoate) copolymer, of (B) an acrylic modifier having a weight average molecular weight (Mw) of 500,000 to 10,000,000.
    Type: Application
    Filed: May 8, 2006
    Publication date: April 30, 2009
    Applicant: KANEKA CORPORATION
    Inventors: Nobuo Nakamura, Taizo Aoyama, Yoshihiko Hashimoto, Noriyuki Suzuki
  • Publication number: 20090076191
    Abstract: Disclosed is a resin composition excellent in impact resistance, tensile properties and processability such as draw down property, which is produced by using a plant-derived biodegradable polymer produced by actively fixing carbon dioxide present in the earth. A resin composition comprising (A) a specific biodegradable (3-hydroxyalkanoate) copolymer, (B) a graft copolymer and (C) an acrylic processing modifier, the graft copolymer (B) and the acrylic processing modifier (C) being contained in the composition in amounts of 0.1 to 100 parts by weight and 0.1 to 30 parts by weight, respectively, based on 100 parts by weight of the biodegradable (3-hydroxyalkanoate) copolymer (A).
    Type: Application
    Filed: May 12, 2006
    Publication date: March 19, 2009
    Applicant: KANEKA CORPORATION
    Inventors: Taizo Aoyama, Nobuo Nakamura, Yoshihiko Hashimoto, Noriyuki Suzuki
  • Patent number: 7473736
    Abstract: The novel thermoplastic elastomer composition of the present invention, which comprises an isobutylene block copolymer (A) containing a polymer block composed predominantly of isobutylene and a polymer block composed predominantly of an aromatic vinyl compound and an alkenyl-terminated isobutylene polymer (B), is highly flexible, and satisfactory in good moldability, rubber-like characteristics, mechanical strengths, permanent compression set characteristics and vibration damping properties.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: January 6, 2009
    Assignee: Kaneka Corporation
    Inventors: Ryuji Fukuda, Hironari Nakabayashi, Taizo Aoyama
  • Publication number: 20080249236
    Abstract: A sealing material for insulating glass eliminating problem necessity of long-time aging after production is provided and a resin composition having high long-term adhesion strength, high shape retention, and high gas-barrier property and especially having excellent hot-melt adhesive property is also provided. The sealing material for insulating glass including a resin composition having hot-melt adhesive property contains an isobutylene-based diblock copolymer (A) composed of a polymer block (a) containing an aromatic vinyl compound as a constituent monomer and a polymer block (b) containing isobutylene as a constituent monomer.
    Type: Application
    Filed: September 17, 2004
    Publication date: October 9, 2008
    Inventors: Tohru Nakashima, Taizo Aoyama
  • Publication number: 20080200637
    Abstract: A biodegradable sheet or film that is excellent in environmental compatibility accompanied by less time dependent alteration following manufacture of the sheet, having stable flexibility is provided, which can be degraded by a microorganism or the like, and thus can be easily disposed after use. A biodegradable resin sheet which is constituted with a biodegradable (3-HA) copolymer, wherein the rate of change of the tensile elongation with respect to the change in crystallinity (%) from day 1 to day 30 after manufacturing the sheet represented by the formula (1): {[(tensile elongation (%) after a lapse of 1 day following manufacture)?(tensile elongation (%) after a lapse of 30 days following manufacture)]/[(crystallinity (%) after a lapse of 30 days following manufacture)?(crystallinity (%) after a lapse of 1 day following manufacture)]} is equal to or less than 20, and the tensile elongation after a lapse of 60 days following manufacture of the sheet is equal to or greater than 100(%).
    Type: Application
    Filed: December 28, 2007
    Publication date: August 21, 2008
    Applicants: TOKYO INSTITUTE OF TECHNOLOGY, KANEKA CORPORATION
    Inventors: Yoshio INOUE, Hexig Alata, Taizo Aoyama
  • Publication number: 20080139734
    Abstract: The present invention relates to a sealing material composition comprising a novel resin composition and excellent not only in gas barrier properties but also in hot melt adhesive properties, in particular. It also relates to a sealing material made by using the above-mentioned composition, in particular a sealing material for double glazing. The present invention can be accomplished by using a sealing material composition which comprises an alkenyl group-terminated isobutylene-based polymer (A), a thermoplastic resin (B) and a compound (C) containing at least two hydrosilyl groups within the molecule thereof.
    Type: Application
    Filed: March 18, 2005
    Publication date: June 12, 2008
    Inventors: Tohru Nakashima, Taizo Aoyama
  • Publication number: 20080033077
    Abstract: The present invention has its object to provide a resin composition excellent in impact resistance, tensile properties and transparency using a plant-derived biodegradable polymer obtained by positive fixation of carbon dioxide on the earth and, moldings thereof, and, further, provide a resin composition and moldings thereof improved in processability and thermal stability. The present invention relates to a resin composition which comprises (A) an aliphatic polyester type biodegradable polymer and (B) at least one copolymer selected from the group consisting of composite rubber graft copolymers (b1) and core-shell type graft copolymers (b2); or, a resin composition which comprises (A) an aliphatic polyester type biodegradable polymer and (C) at least one compound selected from the group consisting of sorbitol compounds (c1) having a particular chemical structure and urea bond-containing substituted urea compounds (c2).
    Type: Application
    Filed: December 14, 2005
    Publication date: February 7, 2008
    Applicant: Kaneka Corporation
    Inventors: Yoshihiko Hashimoto, Taizo Aoyama, Nobuo Nakamura, Noriyuki Suzuki
  • Patent number: 7241837
    Abstract: The present invention has for its object to provide a damping material which, despite a high damping capacity at and around room temperature, has a small temperature dependence of rigidity at and around room temperature and a damping material having hot-melt processability and a good balance between damping capacity and temperature dependence of rigidity at and around room temperature. This invention provides a damper material composition wherein the ratio of the storage modulus (G?) value at 0° C. to the corresponding value at 40° C. as found by the measurement of dynamic viscoelasticity in the shear mode, namely (G?0° C./G?40° C.), is not greater than 15 and the loss tangent (tan ?) value as found by said measurement is not smaller than 0.4 at 0° C. to 40° C.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: July 10, 2007
    Assignee: Kaneka Corporation
    Inventors: Shigeru Yaguchi, Katsuhiko Kimura, Taizo Aoyama