Patents by Inventor Thoru Bando

Thoru Bando 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).

  • Polycanoaryl ether laminate
    Patent number: 5089340
    Abstract: Disclosed is a novel polymer of this invention which comprises having a recurring unit represented by the formula: ##STR1## and having a reduced viscosity (.eta.sp/c) of 0.2 dl/g or more at 60.degree. C. in a solution of a concentration of 0.2 g/dl in p-chlorophenol as a solvent, a method for preparing the same which comprises reacting a dihalogenobenzonitrile represented by the formula: ##STR2## wherein X represents a halogen atom, with an alkali metal salt of resorcin represented by the formula: ##STR3## wherein M represents an alkali metal, in the presence of a solvent, and then treating the reaction product obtained by water or alcohol, and molding materials and molded products employing the polycyanoaryl ether.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: February 18, 1992
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Shigeru Matsuo, Tomoyoshi Murakami, Thoru Bando, Kikuo Nagatoshi
  • Polycyanoaryl ether composition method for preparing the same and uses thereof
    Patent number: 4977234
    Abstract: Disclosed is a novel polymer of this invention which comprises having a recurring unit represented by the formula: ##STR1## and having a reduced viscosity (.eta.sp/c) of 0.2 dl/g or more at 60.degree. C. in a solution of a concentration of 0.2 g/dl in p-chlorophenol as a solvent, a method for preparing the same which comprises reacting a dihalogenobenzonitrile represented by the formula: ##STR2## wherein X represents a halogen atom, with an alkali metal salt of resorcin represented by the formula: ##STR3## wherein M represents an alkali metal, in the presence of a solvent; and then treating the reaction product obtained by water or alcohol, and molding materials and molded products employing the polycyanoaryl ether.
    Type: Grant
    Filed: December 28, 1988
    Date of Patent: December 11, 1990
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Shigeru Matsuo, Tomoyoshi Murakami, Thoru Bando, Kikuo Nagatoshi
  • Polycyanoaryl ether with thermoplastic resin
    Patent number: 4853443
    Abstract: Disclosed is a novel polymer of this invention which comprises having a recurring unit represented by the formula: ##STR1## and having a reduced viscosity (.eta.sp/c) of 0.2 dl/g or more at 60.degree. C. in a solution of a concentration of 0.2 g/dl in p-chlorophenol as a solvent, a method for preparing the same which comprises reacting a dihalogenobenzonitrile represented by the formula: ##STR2## wherein X represents a halogen atom, with an alkali metal salt of resorcin represented by the formula: ##STR3## wherein M represents an alkali metal, in the presence of a solvent; and then treating the reaction product obtained by water or alcohol, and molding materials and molded products employing the polycyanoaryl ether.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: August 1, 1989
    Assignee: Idemitsu Kosan Company, Limited
    Inventors: Shigeru Matsuo, Tomoyoshi Murakami, Thoru Bando, Kikuo Nagatoshi
  • Reinforced resinous composition comprising polycyano arylene ether
    Patent number: 4812507
    Abstract: Disclosed is a novel polymer of this invention which comprises having a recurring unit represented by the formula: ##STR1## and having a reduced viscosity (.eta.sp/c) of 0.2 dl/g or more at 60.degree. C. in a solution of a concentration of 0.2 g/dl in p-chlorophenol as a solvent, a method for preparing the same which comprises reacting a dihalogenobenzonitrile represented by the formula: ##STR2## wherein X represents a halogen atom, with an alkali metal salt of resorcin represented by the formula: ##STR3## wherein M represents an alkali metal, in the presence of a solvent; and then treating the reaction product obtained by water or alcohol. and molding materials and molded products employing the polycyanoaryl ether.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: March 14, 1989
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Shigeru Matsuo, Tomoyoshi Murakami, Thoru Bando, Kikuo Nagatoshi