Patents by Inventor Makoto Toshimitsu

Makoto Toshimitsu 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).

  • Process for producing ethylene alpha-olefin copolymer
    Patent number: 5712365
    Abstract: A high-temperature high-pressure process for producing an ethylene/.alpha.-olefin copolymer is provided in which a saturated hydrocarbon of 4 or less carbons is injected to an unreacted monomer mixture fed to a separator in a high-pressure recycling system. This process enables stable running of the production apparatus for a long term without clogging of the tubing in the high-pressure recycling system.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: January 27, 1998
    Assignee: Tosoh Corporation
    Inventors: Koichi Arai, Makoto Toshimitsu