Patents by Inventor Kikuji Igeta

Kikuji Igeta 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).

  • Method for graft polymerization of shaped article of hydrophobic synthetic polymer
    Patent number: 4065256
    Abstract: A shaped article of hydrophobic synthetic polymer is graft polymerized uniformly and economically in a high yield, and consequently is endowed with various advantageous properties, when it is treated in an aqueous emulsified dispersion having dispersed in water an hydrophobic radical polymerization initiator, an organic solvent which is liquid at normal room temperature, naphthalene and an unsaturated monomer containing in the molecular unit thereof at least one double bond capable of radical polymerization.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: December 27, 1977
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kikuji Igeta, Masakatsu Ohguchi