Patents by Inventor Shigeru Uno

Shigeru Uno 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).

  • Cooling method
    Patent number: 5131232
    Abstract: A polymerization process is advantageously effected to provide product polymers substantially free of "fish eyes" in a polymerization vessel provided with a cooling jacket and/or cooling pipe system through which a liquefied refrigerant having specific ranges of saturation pressure, saturation temperature and boiling point characteristics is passed and is vaporized during the passage so as to effectively remove the heat of polymerization.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: July 21, 1992
    Assignee: Tosoh Corporation
    Inventors: Shigeru Uno, Hiroshi Kaneko