Patents by Inventor Bennett Clark

Bennett Clark 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).

  • Injection of phosphorus nutrient sources under acid conditions for subterranean microbial processes
    Patent number: 5341875
    Abstract: The present invention provides a process for injecting microbial nutrients into a subterranean formation wherein microorganism are provided a phosphorus nutrient source, and said phosphorus nutrient source into said formation under acid conditions.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: August 30, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Gary E. Jenneman, Bennett Clark