Patents by Inventor Edward L. Cole

Edward L. Cole 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).

  • Alkylation catalyst additive
    Patent number: 3951857
    Abstract: NN'N" tris (alkyl) phosphoric triamide alkylation aids of the formula ##EQU1## wherein R.sub.1, R.sub.2 and R.sub.3 are selected from straight or branched chain alkyl having 10 to 24 carbon atoms each, for use in strong acid catalyzed reactions wherein alkylatable hydrocarbons are alkylated with alkylating agents. Also, alkylation processes employing such alkylation aids.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: April 20, 1976
    Assignee: Texaco Inc.
    Inventors: Frederic C. McCoy, Edward L. Cole
  • Coking of waste kraft pulping liquors at lowered pH
    Patent number: 3944462
    Abstract: The liquid phase coking of waste kraft pulping liquors can be effected with a shorter residence time in the coking means at lower temperature, and lower pressure by reducing the pH of such liquors by at least one pH unit before coking. Products are lower in malodorous organic sulfur components than those produced at a higher pH.The lowering of the pH is achieved by adding sulfur dioxide to the liquor either as free SO.sub.2 or as an aqueous solution of SO.sub.2.
    Type: Grant
    Filed: August 1, 1973
    Date of Patent: March 16, 1976
    Assignee: Texaco Inc.
    Inventors: Howard V. Hess, Edward L. Cole, William F. Franz