Patents by Inventor Leon Willis

Leon Willis 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).

  • Patent number: 10913810
    Abstract: A magnesium suppressant/flocculant for use in separating dolomite from calcium phosphate. The magnesium suppressant/flocculant may be applied at a mine site prior to subjecting ore fractions to phosphate flotation or at a chemical plant after grinding.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 9, 2021
    Assignee: ARR-MAZ PRODUCTS, L.P.
    Inventors: Lucas R. Moore, Todd Parker, Leon Willis
  • Patent number: 10556978
    Abstract: A magnesium suppressant/flocculant for use in separating dolomite from calcium phosphate. The magnesium suppressant/flocculant may be applied at a mine site prior to subjecting ore fractions to phosphate flotation or at a chemical plant after grinding.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 11, 2020
    Assignee: Arr-Maz Products, L.P.
    Inventors: Lucas R. Moore, Todd Parker, Leon Willis
  • Publication number: 20160038948
    Abstract: A magnesium suppressant/flocculant for use in separating dolomite from calcium phosphate. The magnesium suppressant/flocculant may be applied at a mine site prior to subjecting ore fractions to phosphate flotation or at a chemical plant after grinding.
    Type: Application
    Filed: July 27, 2015
    Publication date: February 11, 2016
    Applicant: ARR-MAZ PRODUCTS, L.P.
    Inventors: Lucas R. Moore, Todd Parker, Leon Willis