Patents by Inventor Akira Yatabe

Akira Yatabe 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 removing coronene from heat exchangers
    Patent number: 4222852
    Abstract: Coronene deposits are removed from a heat exchange zone of the reforming process by recycling a portion of the normally liquid reformate to the heat exchange zone to dissolve the coronene deposits.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: September 16, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventors: Walter S. Kmak, Akira Yatabe