Patents by Inventor Yousuke Funamoto

Yousuke Funamoto 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).

  • Thermosetting resin composition from cyanate ester and non-branched aromatic compound
    Patent number: 4904760
    Abstract: A thermosetting resin composition polyfunctional cyanate ester resin composition comprising:(I) a cyanate ester compound selected from the group consisting of a polyfunctional cyanate ester having at least two cyanate esters in its molecule, a prepolymer of such a cyanate ester and mixtures thereof; and(II) at least one non-branched aromatic compound in an amount of 5-40% by weight of the total resin composition, said aromatic compound having a number-average molecular weight of 178-800, an average number of aromatic nuclei of 2-6, and a boiling point of more than 300.degree. C., and in which the portion having aromatic nuclei of 2-6 constitutes more than 50% is disclosed.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: February 27, 1990
    Assignee: Mitsubishi Gas Chemical Co., Inc.
    Inventors: Morio Gaku, Hidenori Kimbara, Mitsuo Eziri, Masakazu Motegi, Yousuke Funamoto