Patents by Inventor Laura Ouellette

Laura Ouellette 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).

  • Process and apparatus for the removal of aromatic amines from soil and water
    Patent number: 5919982
    Abstract: A process and apparatus for the removal of aromatic amines from soil and water is described. In particular, treatment trains are described in which soil washing or low temperature desorption process effect removal of contaminant, such as xylidines from soil and steam stripping is utilized to remove contaminant from water. Further treatment through organic acid precipitation and advanced oxidation produce clean water and precipitated salts which may be recovered.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: July 6, 1999
    Assignee: Her Majesty the Queen in right of Canada, as represented by Environment
    Inventors: Harry Whittaker, Valdis Kokars, Janis Avotins, Laura Ouellette