Patents by Inventor Buenanventura B. Galvez

Buenanventura B. Galvez 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).

  • Petroleum pitch preparation
    Patent number: 4013540
    Abstract: A process having a specified sequence of steps for preparing a petroleum pitch binder suitable for electrodes used in smelting aluminum is disclosed, in which a decant oil petroleum fraction is oxy-activated under specified conditions of temperature, pressure, and time, then heat treated under other specified conditions, and finally distilled under specified conditions to form a petroleum pitch having desired properties.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: March 22, 1977
    Assignee: Gulf Oil Canada Limited
    Inventors: Maurice Moyle, Buenanventura B. Galvez, Eric C. Pease, Alan Logan