Patents by Inventor Alain A. Marvy

Alain A. Marvy 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).

  • Waste disposal process
    Patent number: 5463172
    Abstract: A method of disposing hazardous industrial solid waste, preferably mill tailings, which comprises treating the waste to form a paste and pumping the paste to an underwater paste deposit site in a water saturated area, said area providing permanent water cover for the paste and means for controlling the rate of release of contaminants from the paste into the environment, the paste being pumpable and not readily mixable with ambient water at the deposit site.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: October 31, 1995
    Assignee: Cigar Lake Mining Corporation
    Inventor: Alain A. Marvy