Patents by Inventor Tai C. Yang

Tai C. Yang 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).

  • HCN by catalytic ammoxidation of crude acetonitrile
    Patent number: 5204079
    Abstract: A process of producing hydrogen cyanide from crude acetonitrile comprising contacting the crude acetonitrile with an ammoxidation catalyst at an elevated temperature in the presence of an oxygen containing gas and ammonia. Preferably, the process is performed in the absence of propylene.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: April 20, 1993
    Assignee: Standard Oil Company
    Inventors: Dev D. Suresh, Mark C. Cesa, Tai C. Yang, Robert K. Grasselli, Mark R. Bruce, Michael J. Seely, Maria S. Friedrich, Robert A. Dubbert