Patents by Inventor Shinkichi Takamuku

Shinkichi Takamuku 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).

  • Apparatus for removing unreacted monomer from slurry
    Patent number: 4130456
    Abstract: An apparatus and method for the continuous or semi-continuous removal of unreacted monomers from polymer suspension slurrys or latices to produce polymers with the least possible distribution of heat history.A polymer suspension liquor or latex is supplied to a vessel having open topped compartments positioned on a vertical shaft for rotation. A feed inlet for the polymer suspension liquor is mounted on the shaft to permit introduction of the polymer into each of the open topped compartments. A steam and/or inert gas is introduced at the bottom portion of each compartment to strip a monomer from the polymer.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: December 19, 1978
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Iko Itoh, Tsukasa Takahashi, Shinkichi Takamuku, Azuma Aramaki, Manabu Serada