Patents by Inventor Keith D. Fourrier

Keith D. Fourrier 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).

  • Method for stabilizing hemoglobin and reagents for performing the same
    Patent number: 11994524
    Abstract: A stool resuspension solution comprising a hemoglobin stabilization reagent is provided. In some embodiments, the hemoglobin stabilization reagent may be an osmolyte, a polyvalent cation, a sugar or polysaccharide and, optionally, a polyvalent cation, a protoporphyrin, or an HRP stabilization component and, optionally, a polyvalent cation. A method of stabilizing hemoglobin in a stool sample in the solution is also provided, as well as a sample collection device containing the solution.
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: May 28, 2024
    Assignee: Exact Sciences Corporation
    Inventors: Keith D. Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard, Kathleen S. Harings, Daniel J. Simpson
  • MULTIPLE ANALYTE FECAL ANTIGEN TESTING
    Publication number: 20240019440
    Abstract: Methods, compositions, and systems for testing fecal samples, including small human fecal samples, for a plurality of different marker analytes, e.g., a plurality of different human protein, nucleic acid, and other molecular marker analytes.
    Type: Application
    Filed: October 16, 2020
    Publication date: January 18, 2024
    Inventors: Keith D. Fourrier, Michael J. Domanico, Stephanie M. Weber, Tanya M. Quint, Graham P. Lidgard
  • Method for stabilizing hemoglobin and reagents for performing the same
    Patent number: 11703512
    Abstract: A stool resuspension solution comprising a hemoglobin stabilization reagent is provided. In some embodiments, the hemoglobin stabilization reagent may be an osmolyte, a polyvalent cation, a sugar or polysaccharide and, optionally, a polyvalent cation, a protoporphyrin, or an HRP stabilization component and, optionally, a polyvalent cation. A method of stabilizing hemoglobin in a stool sample in the solution is also provided, as well as a sample collection device containing the solution.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: July 18, 2023
    Assignee: Exact Sciences Corporation
    Inventors: Keith D. Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard, Kathleen S. Harings, Daniel J. Simpson
  • METHOD FOR STABILIZING HEMOGLOBIN AND REAGENTS FOR PERFORMING THE SAME
    Publication number: 20230221340
    Abstract: A stool resuspension solution comprising a hemoglobin stabilization reagent is provided. In some embodiments, the hemoglobin stabilization reagent may be an osmolyte, a polyvalent cation, a sugar or polysaccharide and, optionally, a polyvalent cation, a protoporphyrin, or an HRP stabilization component and, optionally, a polyvalent cation. A method of stabilizing hemoglobin in a stool sample in the solution is also provided, as well as a sample collection device containing the solution.
    Type: Application
    Filed: January 24, 2023
    Publication date: July 13, 2023
    Inventors: Keith D. Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard, Kathleen S. Harings, Daniel J. Simpson
  • METHOD FOR STABILIZING HEMOGLOBIN AND REAGENTS FOR PERFORMING THE SAME
    Publication number: 20220373564
    Abstract: A stool resuspension solution comprising a hemoglobin stabilization reagent is provided. In some embodiments, the hemoglobin stabilization reagent may be an osmolyte, a polyvalent cation, a sugar or polysaccharide and, optionally, a polyvalent cation, a protoporphyrin, or an HRP stabilization component and, optionally, a polyvalent cation. A method of stabilizing hemoglobin in a stool sample in the solution is also provided, as well as a sample collection device containing the solution.
    Type: Application
    Filed: June 6, 2022
    Publication date: November 24, 2022
    Inventors: Keith D. Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard, Kathleen S. Harings, Daniel J. Simpson
  • Method for stabilizing hemoglobin and reagents for performing the same
    Patent number: 11385243
    Abstract: A stool resuspension solution comprising a hemoglobin stabilization reagent is provided. In some embodiments, the hemoglobin stabilization reagent may be an osmolyte, a polyvalent cation, a sugar or polysaccharide and, optionally, a polyvalent cation, a protoporphyrin, or an HRP stabilization component and, optionally, a polyvalent cation. A method of stabilizing hemoglobin in a stool sample in the solution is also provided, as well as a sample collection device containing the solution.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: July 12, 2022
    Assignee: EXACT SCIENCES CORPORATION
    Inventors: Keith D. Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard, Kathleen S. Harings, Daniel J. Simpson
  • METHOD FOR STABILIZING HEMOGLOBIN AND REAGENTS FOR PERFORMING THE SAME
    Publication number: 20190302129
    Abstract: A stool resuspension solution comprising a hemoglobin stabilization reagent is provided. In some embodiments, the hemoglobin stabilization reagent may be an osmolyte, a polyvalent cation, a sugar or polysaccharide and, optionally, a polyvalent cation, a protoporphyrin, or an HRP stabilization component and, optionally, a polyvalent cation. A method of stabilizing hemoglobin in a stool sample in the solution is also provided, as well as a sample collection device containing the solution.
    Type: Application
    Filed: March 15, 2019
    Publication date: October 3, 2019
    Inventors: Keith D. Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard, Kathleen S. Harings, Daniel J. Simpson