Patents by Inventor Jeff C. Macri

Jeff C. Macri 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 stabilizing contaminated waste
    Patent number: 7351191
    Abstract: A method for solidifying an oil-contaminated aqueous waste in situ or ex situ includes the step of combining the oil-contaminated waste with a clay, a cement and a sulfite salt solidification agent to form a solidified waste matrix, wherein the solidification agent undergoes hydration and cementation reactions in the waste matrix in the presence of water. Optionally, heavy metal stabilizing agents can also be combined with the waste.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: April 1, 2008
    Assignee: RMT, Inc
    Inventors: Ajit K. Chowdhury, Jeff C. Macri, Kevin L. Baker, Gregory J. Graf