Patents by Inventor Lee A. Manning

Lee A. Manning 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).

  • Crosslinked polysaccharide compositions and concrete blends containing the same
    Patent number: 10793473
    Abstract: Compositions comprising crosslinked polysaccharides, particularly levan and/or dextran, may provide advantageous benefits when admixed with concrete blends. Suitable compositions may comprise a biologically sourced surfactant, and a crosslinked polysaccharide, in which the crosslinked polysaccharide comprises at least one crosslinking group bonded via ether linkages to a first polysaccharide chain and a second polysaccharide chain. Concrete blends may comprise such compositions, a cement and water. Methods for forming and/or using the concrete blends may comprise allowing the concrete blends to form a hardened mass.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: October 6, 2020
    Assignee: HPPE, LLC
    Inventors: Ashoka V. R. Madduri, Lee A. Manning, Charles R. Landis, Matthew B. Blackmon, Christopher Gardner, Sanket Gandhi
  • CROSSLINKED POLYSACCHARIDE COMPOSITIONS AND CONCERTE BLENDS CONTAINING THE SAME
    Publication number: 20200031715
    Abstract: Compositions comprising crosslinked polysaccharides, particularly levan and/or dextran, may provide advantageous benefits when admixed with concrete blends. Suitable compositions may comprise a biologically sourced surfactant, and a crosslinked polysaccharide, in which the crosslinked polysaccharide comprises at least one crosslinking group bonded via ether linkages to a first polysaccharide chain and a second polysaccharide chain. Concrete blends may comprise such compositions, a cement and water. Methods for forming and/or using the concrete blends may comprise allowing the concrete blends to form a hardened mass.
    Type: Application
    Filed: November 22, 2017
    Publication date: January 30, 2020
    Applicant: HPPE, LLC
    Inventors: Ashoka V.R. Madduri, Lee A. Manning, Charles R. Landis, Matthew B. Blackmon, Christopher Gardner, Sanket Gandhi