Patents by Inventor Mark J. Spoon

Mark J. Spoon 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).

  • Fluidized bed process for chlorinating titanium-containing material and coke useful in such process
    Patent number: 5389353
    Abstract: In a fluidized bed process for chlorinating rirnium-containing material, an improvement is disclosed comprising utilizing in the process calcined petroleum shot coke, calcined petroleum fluid coke or mixtures thereof. The improved process is capable of (a) decreasing the amount of fine particulate coke that is entrained in the hot gases exiting the fluidized bed reactor, and (b) more completely reacting the coke.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: February 14, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hans H. Glaeser, Mark J. Spoon