Patents by Inventor Élizabeth Gingras-Lefleur

Élizabeth Gingras-Lefleur 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).

  • Use of Calcium Fluoride in the Bayer Process
    Publication number: 20220135417
    Abstract: A Bayer process includes contacting bauxite and calcium fluoride with sodium hydroxide and forming a slurry, with the calcium fluoride may provide at least 1 wt. % of the calcium added to the process, and precipitating alumina from the slurry.
    Type: Application
    Filed: February 24, 2020
    Publication date: May 5, 2022
    Inventors: Lisa CÔTÉ, Sébastien Fortin, Élizabeth Gingras-Lefleur