Patents by Inventor Tadashi Amano

Tadashi Amano 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: 10377904
    Abstract: An inorganic hydrophilic coating solution including (a) an aqueous solution containing an amorphous silicate compound obtained by hydrolyzing and condensing a tetrafunctional silicon compound having a purity of 99.0 mass % or greater in an aqueous medium in the presence of a basic compound at a temperature within a range from normal temperature to 170° C., (b) water, and optionally, (c) not more than 30 mass % of an alcohol, a ketone, or a surfactant, where the concentration of the solid fraction derived from the aqueous solution containing the amorphous silicate compound is 0.01 to 2.0 mass % and the pH is 5 to 8; an inorganic hydrophilic coating film formed from a dried and cured product of the inorganic hydrophilic coating solution; a member having a substrate and the inorganic hydrophilic coating film formed on the surface of the substrate; and a cover panel for a solar cell module including the member.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: August 13, 2019
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tomohiro Inoue, Manabu Furudate, Yoshitsugu Eguchi, Tadashi Amano
  • Patent number: 9555399
    Abstract: Provided is a visible-light-responsive titanium oxide microparticle dispersion or the like readily enabling manufacture of a highly transparent photocatalyst thin film demonstrating photocatalyst activity even using visible light alone, and having exceptional titanium oxide microparticle dispersion stability even after storage for prolonged periods of time in cold and dark interior locations. The present invention makes it possible to: produce a peroxotitanic acid solution containing vanadium and a tin compound from a titanium compound, a vanadium compound, a tin compound, a basic substance, hydrogen peroxide, and an aqueous dispersion medium as starting materials; subject the peroxotitanic acid solution to a hydrothermal reaction under high pressure; subsequently admix a copper compound into the acid solution; and obtain a visible-light-responsive titanium oxide microparticle dispersion or the like.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: January 31, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Manabu Furudate, Tomohiro Inoue, Yoshitsugu Eguchi, Tadashi Amano
  • Patent number: 9463436
    Abstract: A method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion from a peroxotitanic acid solution optionally containing tin, wherein the method for manufacturing an anatase or rutile titanium oxide dispersion is characterized in that the peroxotitanic acid solution is fed continuously to a flow reactor and subjected to hydrothermal treatment at 150 to 250° C. and 0.5 to 10 MPa. The invention makes it possible to provide a method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion having excellent stability in regard to the titanium oxide microparticles and enabling a high-transparency photocatalytic thin film to be produced, and to provide a member having a photocatalytic thin film formed on the surface using this dispersion.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: October 11, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Manabu Furudate, Tomohiro Inoue, Shiro Takahashi, Yoshitsugu Eguchi, Tadashi Amano
  • Patent number: 8986580
    Abstract: Disclosed are: a visible-light-responsive titanium oxide microparticle dispersion comprising an aqueous dispersion medium and titanium oxide microparticles dispersed therein, and a peroxotitanium component, an iron component and/or a copper component and a tin component, wherein the content of the peroxotitanium component is 0.1 to 20 mass % relative to the titanium oxide content; and a process for producing a visible-light-responsive titanium oxide microparticle dispersion, comprising (1) producing peroxotitanic acid containing a tin compound from a raw material titanium compound, a tin compound and hydrogen peroxide, (2) heating an aqueous solution of peroxotitanic acid containing the tin compound to 80 to 250° C.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: March 24, 2015
    Assignee: Shin-etsu Chemical Co., Ltd.
    Inventors: Manabu Furudate, Tomohiro Inoue, Yoshitsugu Eguchi, Tadashi Amano
  • Publication number: 20140309103
    Abstract: Provided is a visible-light-responsive titanium oxide microparticle dispersion or the like readily enabling manufacture of a highly transparent photocatalyst thin film demonstrating photocatalyst activity even using visible light alone, and having exceptional titanium oxide microparticle dispersion stability even after storage for prolonged periods of time in cold and dark interior locations. The present invention makes it possible to: produce a peroxotitanic acid solution containing vanadium and a tin compound from a titanium compound, a vanadium compound, a tin compound, a basic substance, hydrogen peroxide, and an aqueous dispersion medium as starting materials; subject the peroxotitanic acid solution to a hydrothermal reaction under high pressure; subsequently admix a copper compound into the acid solution; and obtain a visible-light-responsive titanium oxide microparticle dispersion or the like.
    Type: Application
    Filed: October 10, 2012
    Publication date: October 16, 2014
    Inventors: Manabu Furudate, Tomohiro Inoue, Yoshitsugu Eguchi, Tadashi Amano
  • Publication number: 20140127514
    Abstract: An inorganic hydrophilic coating solution including (a) an aqueous solution containing an amorphous silicate compound obtained by hydrolyzing and condensing a tetrafunctional silicon compound having a purity of 99.0 mass % or greater in an aqueous medium in the presence of a basic compound at a temperature within a range from normal temperature to 170° C., (b) water, and optionally, (c) not more than 30 mass % of an alcohol, a ketone, or a surfactant, where the concentration of the solid fraction derived from the aqueous solution containing the amorphous silicate compound is 0.01 to 2.0 mass % and the pH is 5 to 8; an inorganic hydrophilic coating film formed from a dried and cured product of the inorganic hydrophilic coating solution; a member having a substrate and the inorganic hydrophilic coating film formed on the surface of the substrate; and a cover panel for a solar cell module including the member.
    Type: Application
    Filed: May 31, 2012
    Publication date: May 8, 2014
    Applicant: Shin-Etsu Chemical Co.,Ltd.
    Inventors: Tomohiro Inoue, Manabu Furudate, Yoshitsugu Eguchi, Tadashi Amano
  • Publication number: 20140100105
    Abstract: A method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion from a peroxotitanic acid solution optionally containing tin, wherein the method for manufacturing an anatase or rutile titanium oxide dispersion is characterized in that the peroxotitanic acid solution is fed continuously to a flow reactor and subjected to hydrothermal treatment at 150 to 250° C. and 0.5 to 10 MPa. The invention makes it possible to provide a method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion having excellent stability in regard to the titanium oxide microparticles and enabling a high-transparency photocatalytic thin film to be produced, and to provide a member having a photocatalytic thin film formed on the surface using this dispersion.
    Type: Application
    Filed: May 10, 2012
    Publication date: April 10, 2014
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Manabu Furudate, Tomohiro Inoue, Shiro Takahashi, Yoshitsugu Eguchi, Tadashi Amano
  • Publication number: 20120214667
    Abstract: Disclosed are: a visible-light-responsive titanium oxide microparticle dispersion comprising an aqueous dispersion medium and titanium oxide microparticles dispersed therein, and a peroxotitanium component, an iron component and/or a copper component and a tin component, wherein the content of the peroxotitanium component is 0.1 to 20 mass % relative to the titanium oxide content; and a process for producing a visible-light-responsive titanium oxide microparticle dispersion, comprising (1) producing peroxotitanic acid containing a tin compound from a raw material titanium compound, a tin compound and hydrogen peroxide, (2) heating an aqueous solution of peroxotitanic acid containing the tin compound to 80 to 250° C.
    Type: Application
    Filed: March 11, 2011
    Publication date: August 23, 2012
    Inventors: Manabu Furudate, Tomohiro Inoue, Yoshitsugu Eguchi, Tadashi Amano
  • Publication number: 20110294941
    Abstract: Provided is a vinyl chloride-based resin composition including a vinyl chloride-based resin and a titanium dioxide having an average particle diameter of 5 to 50 nm, in an amount of 1,000 ppm to 10,000 ppm, by mass, relative to the mass of the vinyl chloride-based resin. By adding a titanium dioxide having an average particle diameter of 5 to 50 nm to a vinyl chloride-based resin in an amount described above, a vinyl chloride-based resin composition of excellent thermal stability can be obtained. In the vinyl chloride-based resin composition, the crystalline form of the titanium dioxide is preferably anatase, rutile, or a combination thereof.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 1, 2011
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tatsuya FUJIMOTO, Tadashi Amano, Manabu Furudate, Tomohiro Inoue, Shinji Fujimoto, Ken Yahata
  • Patent number: 7847012
    Abstract: A thermally expandable vinyl chloride resin composition is provided. It includes (A) 100 parts by mass of a vinyl chloride resin, (B) 5 to 200 parts by mass of an inorganic filler, (C) 10 to 300 parts by mass of a thermally expandable graphite, (D) 0.1 to 10 parts by mass of a fluororesin, and (E) 10 to 300 parts by mass of a phosphorus compound. The composition exhibits favorable thermal expansion properties and favorable shape retention following thermal expansion upon exposure to high temperatures.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: December 7, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tatsuya Fujimoto, Ken Yahata, Tadashi Amano
  • Patent number: 7820741
    Abstract: The present invention provides a halogen-free, flame retardant adhesive composition that exhibits excellent anti-migration properties, not only within single layer structures, but also within multilayer structures of much higher density. The flame retardant adhesive composition according to the present invention comprises: (A) a halogen-free epoxy resin, (B) a carboxyl group-containing acrylic resin and/or a carboxyl group-containing acrylonitrile-butadiene rubber, (C) a curing agent, (E) a specific polyphosphoric acid-melamine-based compound salt and/or polyphosphoric acid-diamine compound salt, and (F) an ion scavenger and/or a heavy metal deactivator.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: October 26, 2010
    Assignee: Shin-Etsu Chemicals Co., Ltd.
    Inventors: Kazunori Kondo, Shigehiro Hoshida, Tadashi Amano
  • Patent number: 7820740
    Abstract: The present invention provides a halogen-free, flame retardant adhesive composition that exhibits excellent anti-migration properties, not only within single layer structures, but also within multilayer structures of much higher density such as copper-clad laminates. The flame retardant adhesive composition according to the present invention comprises: (A) a halogen-free epoxy resin, (B) a carboxyl group-containing acrylic resin and/or a carboxyl group-containing acrylonitrile-butadiene rubber, (C) a curing agent, (E) specific phosphinate and/or diphosphonate compounds, and (F) an ion scavenger and/or a heavy metal deactivator.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: October 26, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kazunori Kondo, Shigehiro Hoshida, Tadashi Amano
  • Publication number: 20100261854
    Abstract: Provided is a polymer scale adhesion preventive agent for use in the polymerization of a monomer having an ethylenic double bond, the polymer scale adhesion preventive agent including: (A) a condensation reaction product of an aldehyde compound and a hydroxynaphthalene-based compound, and (B) (B1) an organophosphoric acid compound, or (B2) an inorganic phosphoric acid compound having 3 or more phosphorus atoms, or a combination thereof. According to the present invention, a scale preventive coating having satisfactory scale adhesion prevention performance can be formed with a high degree of productivity via a single-stage application. Further, even if a multitude of polymerization batches are repeated under high-temperature polymerization reaction conditions, the adhesion of polymer scale to the inner wall surfaces and the like of the polymerization vessel can be effectively prevented. Moreover, because the thickness of the scale preventive agent layer can be suppressed to not more than 0.
    Type: Application
    Filed: January 14, 2009
    Publication date: October 14, 2010
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Mikio Watanabe, Tadashi Amano
  • Patent number: 7524563
    Abstract: Provided is a flame retardant adhesive composition including (A) a halogen-free epoxy resin, (B) a thermoplastic resin and/or a synthetic rubber, (C) a curing agent, (D) a phytate compound, and (E) a curing accelerator. Also provided are an adhesive sheet having a layer including the above composition, and a protective layer for covering the layer including the composition; a coverlay film having an electrically insulating film, and a layer including the above composition provided on top of the film; and a flexible copper-clad laminate having an electrically insulating film, a layer including the above composition provided on top of the film, and copper foil. Further provided are a process for producing the adhesive sheet, a process for producing the coverlay film, and a process for producing the flexible copper-clad laminate. The halogen-free adhesive composition yields a cured product, on curing, that exhibits excellent flame retardancy and electrical characteristics (anti-migration properties).
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: April 28, 2009
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Toru Nakanishi, Kazunori Kondo, Shigehiro Hoshida, Tadashi Amano
  • Patent number: 7524394
    Abstract: Provided is a flame retardant adhesive composition including (A) a halogen-free epoxy resin, (B) a thermoplastic resin and/or a synthetic rubber, (C) a curing agent, (D) a nitrogen-containing polyphosphate compound, and (E) a curing accelerator. Also provided are an adhesive sheet having a layer including the above composition, and a protective layer for covering the layer including the composition; a coverlay film having an electrically insulating film, and a layer including the above composition provided on top of the film; a flexible copper-clad laminate having an electrically insulating film, a layer including the above composition provided on top of the film, and copper foil; and a method of bonding two substrates, including the steps of sandwiching the above adhesive sheet between two substrates, and curing the adhesive sheet. Further provided are a process for producing the adhesive sheet, a process for producing the coverlay film, and a process for producing the flexible copper-clad laminate.
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: April 28, 2009
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Toru Nakanishi, Kazunori Kondo, Shigehiro Hoshida, Tadashi Amano
  • Publication number: 20090101280
    Abstract: A method of producing a flexible single-sided polyimide copper-clad laminate having excellent flex properties. The method comprises: (A) forming a polyamic acid coating by applying a polyamic acid to the surface of a copper foil starting material, (B) forming a laminate by bonding a polyimide film to the polyamic acid coating, and (C) heat treating the laminate, wherein the copper foil starting material is a material for which, if the copper foil starting material is subjected to a heat treatment for 30 minutes at 200° C. in a non-oxidizing atmosphere and the intensity of the (200) plane determined by X-ray diffraction following this heat treatment is termed I, and if the intensity of the (200) plane determined by X-ray diffraction of a copper powder that has not been subjected to heat treatment is termed I0, I and I0 satisfy a relationship represented by a formula (I) shown below: I/I0>20 ??(I).
    Type: Application
    Filed: October 17, 2008
    Publication date: April 23, 2009
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Jun ASAZUMA, Masahiro USUKI, Tadashi AMANO
  • Patent number: 7514495
    Abstract: The present invention provides an antistatic agent for vinyl chloride-based resins which can impart superior antistatic properties to the vinyl chloride-based resin, and which can thereby solve various problems arising from charging of the vinyl chloride-based resin with static electricity, a vinyl chloride-based resin composition containing this antistatic agent, and a method for manufacturing this composition. The present invention provides an antistatic agent for vinyl chloride-based resins which consists of silica particles containing at least 99.0% by mass of SiO2 and 0.00005% 80.5 ppm by mass or less of sodium, and which has such a particle size distribution that at least 98% by mass of the silica particles is occupied by the particles having a particle diameter in the range from 30 to 1,000 nm.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: April 7, 2009
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tatsuya Fujimoto, Ken Yahata, Tadashi Amano
  • Patent number: 7459047
    Abstract: A flexible metal foil/polyimide laminate is prepared by applying a polyamic acid varnish onto a very thin copper foil on a carrier, semi-drying the varnish, laminating a polyimide film to the varnish-coated copper foil using a hot roll press, and heat treating the laminate for solvent removal and imidization in an atmosphere having a controlled oxygen concentration. A polyimide adhesive layer resulting from the imidization of polyamic acid has a thickness of up to 6 ?m, the sum of the thicknesses of the polyimide film and the polyimide adhesive layer is up to 25 ?m. The polyimide adhesive layer has a Tg>400° C.
    Type: Grant
    Filed: August 2, 2005
    Date of Patent: December 2, 2008
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masahiro Usuki, Makoto Fujiwara, Shigehiro Hoshida, Michio Aizawa, Tadashi Amano
  • Publication number: 20080241452
    Abstract: The present invention provides a halogen-free, flame retardant adhesive composition that exhibits excellent anti-migration properties, not only within single layer structures, but also within multilayer structures of much higher density such as copper-clad laminates. The flame retardant adhesive composition according to the present invention comprises: (A) a halogen-free epoxy resin, (B) a carboxyl group-containing acrylic resin and/or a carboxyl group-containing acrylonitrile-butadiene rubber, (C) a curing agent, (E) specific phosphinate and/or diphosphonate compounds, and (F) an ion scavenger and/or a heavy metal deactivator.
    Type: Application
    Filed: October 1, 2007
    Publication date: October 2, 2008
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kazunori KONDO, Shigehiro Hoshida, Tadashi Amano
  • Publication number: 20080176995
    Abstract: Provided is a dispersion stabilizer for suspension polymerization that contains a hydroxypropylmethylcellulose with a degree of methoxy group substitution of 27 to 30% by mass and a degree of hydroxypropoxy group substitution of 5 to 12% by mass, in which the viscosity at 20° C. of a 2% by mass aqueous solution of the hydroxypropylmethylcellulose is within a range from 5 to 1,600 mPa·s, and in 2 ml of a 0.2% by mass solution of the hydroxypropylmethylcellulose, the number of undissolved fibers with a particle size within a range from 8 to 200 ?m, as measured by a Coulter counter method, is not more than 1,000, and the number of undissolved fibers with a particle size of 50 ?m or greater measured using the same method is not more than 20. By employing a method of producing a vinyl chloride-based polymer that uses this dispersion stabilizer, a vinyl chloride-based polymer with extremely low levels of fish eyes and defects derived from foreign objects can be produced.
    Type: Application
    Filed: January 22, 2008
    Publication date: July 24, 2008
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Makoto OOURA, Tadashi Amano, Minoru Shigemitsu, Shingo Niinobe