Patents by Inventor Seiichi Morooka

Seiichi Morooka 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: 4603188
    Abstract: A new curable urethane composition which comprises a polyhydroxyl component and a polyisocyanate component, wherein said polyhydroxyl component comprises80 to 10% by weight of an interesterification product (A) which is the reaction product of castor oil (a1) and substantially non-hydroxyl-containing naturally occurring triglyceride oil (a2) and, optionally, low molecular weight polyol (a3) and20 to 90% by weight of a polybutadiene based polyol (B).The composition has a sufficiently low viscosity to be easily handled and forms a polyurethane resin with excellent elongation and electrical properties.
    Type: Grant
    Filed: July 10, 1985
    Date of Patent: July 29, 1986
    Assignees: Itoh Seiyu Kabushiki Kaisha, Sanyu Resin Kabushiki Kaisha
    Inventors: Susumu Kusakawa, Yoshiyuki Itoh, Seiichi Morooka, Kenji Komazawa, Kenji Ueda