Patents by Inventor Pangbu Hong

Pangbu Hong 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 preparation of substituted olefins
    Patent number: 4263212
    Abstract: The present invention relates to a process for the preparation of aromatic or furyl substituted olefins, which comprises reacting an olefinic compound with an aromatic compound or furan compound in the presence of carbon monoxide by using a rhodium carbonyl complex as a catalyst to form a corresponding aromatic or furyl substituted olefin.
    Type: Grant
    Filed: February 14, 1980
    Date of Patent: April 21, 1981
    Assignee: Rikagaku Kenkyusho
    Inventors: Pangbu Hong, Hiroshi Yamazaki