Patents by Inventor Richard B. Chafin

Richard B. Chafin 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).

  • High ethylene to ethane processes for oxidative coupling
    Patent number: 5073656
    Abstract: Oxidative coupling of lower alkane to higher hydrocarbon is conducted using catalyst comprising barium and/or strontium component and a metal oxide combustion promoter in the presence of vapor phase halogen component. High ethylene to ethane mole ratios in the product can be obtained over extended operating periods.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: December 17, 1991
    Assignee: Union Carbide Chemicals and Plastics Company, Inc.
    Inventors: Richard B. Chafin, Barbara K. Warren