Patents by Inventor M. D. Bishop

M. D. Bishop 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).

  • Ore flotation employing amino mercaptothiadiazoles
    Patent number: 4966688
    Abstract: A process for separating and recovering minerals, such as molybdenum or graphite, from ores with which they occur by addition of an amino mercaptothiadiazole to an ore flotation process.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: October 30, 1990
    Assignee: Phillips Petroleum Company
    Inventor: M. D. Bishop