Patents by Inventor Frederick Anctil

Frederick Anctil 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 an apparatus for producing calcium carbonate via an enzymatic pathway
    Publication number: 20060128004
    Abstract: The invention relates to a method for improving the production yield of precipitated calcium carbonate (PCC). The improvement resides in the use of an enzymatic bioreactor that supplies HCO3 into the reaction enabling to produce PCC without bubbling gaseous carbon dioxide in the aqueous solution. The present invention has an industrial applicability, namely in the pulp and paper industry.
    Type: Application
    Filed: July 16, 2003
    Publication date: June 15, 2006
    Inventors: Frederick Anctil, Roger Gaudreault