Patents by Inventor Weldon John Cappel

Weldon John Cappel 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).

  • Hydrocarbons having reduced levels of mercaptans and method and composition useful for preparing same
    Patent number: 7718586
    Abstract: Disclosed is composition useful for reducing the concentration of mercaptans in hydrocarbons comprising: (A) a first diazo component and (B) a second component comprising a nucleophilic acceptor. The composition can be added to hydrocarbons such as fuel oil to reduce mercaptans without increasing turbidity or color. Triethylene diamine and 1,2-epoxyhexadecane are disclosed to be exemplary diazo and nucleophilic acceptor components.
    Type: Grant
    Filed: February 11, 2004
    Date of Patent: May 18, 2010
    Assignee: Baker Hughes Incorporated
    Inventors: John A. Schield, Weldon John Cappel