Patents by Inventor David A. Kaushansky

David A. Kaushansky 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).

  • Method for treating the bottom-hole formation zone
    Patent number: 4638861
    Abstract: A method relates to the oil recovery and comprises feeding a bactericidal agent to the bottom-hole zone of a formation being worked, the bactericidal agent comprising gamma-radiation with a dose of at least 150 krad.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: January 27, 1987
    Assignee: Moskovsky Institut Neftekhimicheskoi i Gazovoi Promyshlennosti
    Inventor: David A. Kaushansky