Patents by Inventor Yasunori Osaki

Yasunori Osaki 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).

  • Curable resin composition comprising cyanate ester and polyisocyanate
    Patent number: 4369302
    Abstract: A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyanate esters and an amine and mixtures thereof, (b) at least one polyisocyanate compound selected from the group consisting of polyisocyanates, prepolymers of said polyisocyanates, coprepolymer of said polyisocyanates and an acid anhydride and mixtures thereof and (c) at least one maleimide compound selected from the group consisting of polyfunctional maleimides, prepolymer of said maleimides, coprepolymers of said maleimides and an amine and mixtures thereof is disclosed.
    Type: Grant
    Filed: December 30, 1980
    Date of Patent: January 18, 1983
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Nobuyuki Ikeguchi, Yasunori Osaki
  • Coating method
    Patent number: 4338373
    Abstract: A method for coating an article which comprises coating the article first with (I) at least one imide resin selected from the group consisting of polyester imide resins, polyamideimide resins, polyhydantoin resins and mixtures thereof, and then with (II) cyanate ester resin which comprises as essential components (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymer of said cyanate esters, coprepolymer of said cyanate esters and an amine and mixtures thereof and (b) at least one maleimide compound selected from the group consisting of polyfunctional maleimides, prepolymer of said maleimides, coprepolymer of said maleimides and an amine and mixtures thereof is disclosed.
    Type: Grant
    Filed: December 18, 1980
    Date of Patent: July 6, 1982
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Nobuyuki Ikeguchi, Yasunori Osaki
  • Curable resin composition
    Patent number: 4330669
    Abstract: Curable resin compositions comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyanate esters and an amine and mixtures thereof and (b) a polyester imide resin and optionally (c) at least one maleimide compound selected from the group consisting of polyfunctional maleimides, prepolymers of said maleimides, coprepolymers of said maleimides and an amine and mixtures thereof are disclosed.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: May 18, 1982
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Nobuyuki Ikeguchi, Yasunori Osaki