Patents by Inventor George R. Tamalis

George R. Tamalis 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).

  • Hydroconversion process containing a molybdenum complex recovered from epoxidation of olefinic hydrocarbons
    Patent number: 5358629
    Abstract: A waste molybdenum-containing stream recovered from the work-up of a reaction mixture wherein propylene has reacted with t-butyl hydroperoxide to form propylene oxide (in the presence of a complex of ethylene glycol and a molybdenum compound) is passed as an oil-miscible/soluble molybdenum-containing catalyst to a reaction wherein heavy hydrocarbon is hydroconverted to lower boiling products in the presence of heterogeneous catalyst.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: October 25, 1994
    Assignee: Texaco Inc.
    Inventors: George R. Tamalis, David D. Chess, Mahendra S. Patel, Ajit K. Bhattacharya, Robert M. Gipson