Patents by Inventor Mary A ANKENY

Mary A ANKENY 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).

  • Publication number: 20240132926
    Abstract: Cotton-containing textiles, such as “trash” feedstock in terms of end-of-life-cotton textiles, may be used to produce sugar without the same kinds of harsh pretreatments used for other biomasses, such as corn, grass sources, or wood. Disclosed is a process for production of sugar from a cotton-containing textile waste fabric comprising optionally mechanically pretreating the cotton-containing textile, pretreating the cotton-containing textile with an acid pretreatment to form a slurry, cooling the slurry, adding at least one base to the slurry, adding at least one additional acid to the slurry to form a buffer in situ, adding a hydrolysis enzyme, and optionally filtering the slurry.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 25, 2024
    Inventors: Matthew J. FARRELL, Sha FU, Mary A. ANKENY
  • Patent number: 11959112
    Abstract: Cotton-containing textiles, such as “trash” feedstock in terms of end-of-life-cotton textiles, may be used to produce sugar without the same kinds of harsh pretreatments used for other biomasses, such as corn, grass sources, or wood. Disclosed is a process for production of sugar from a cotton-containing textile waste fabric comprising optionally mechanically pretreating the cotton-containing textile, pretreating the cotton-containing textile with an acid pretreatment to form a slurry, cooling the slurry, adding at least one base to the slurry, adding at least one additional acid to the slurry to form a buffer in situ, adding a hydrolysis enzyme, and optionally filtering the slurry.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: April 16, 2024
    Assignee: COTTON INCORPORATED
    Inventors: Matthew J. Farrell, Sha Fu, Mary A. Ankeny
  • Publication number: 20220282292
    Abstract: Cotton-containing textiles, such as “trash” feedstock in terms of end-of-life-cotton textiles, may be used to produce sugar without the same kinds of harsh pretreatments used for other biomasses, such as corn, grass sources, or wood. Disclosed is a process for production of sugar from a cotton-containing textile waste fabric comprising optionally mechanically pretreating the cotton-containing textile, pretreating the cotton-containing textile with an acid pretreatment to form a slurry, cooling the slurry, adding at least one base to the slurry, adding at least one additional acid to the slurry to form a buffer in situ, adding a hydrolysis enzyme, and optionally filtering the slurry.
    Type: Application
    Filed: May 20, 2022
    Publication date: September 8, 2022
    Inventors: Matthew J. FARRELL, Sha FU, Mary A. ANKENY
  • Patent number: 11421257
    Abstract: Cotton-containing textiles, such as “trash” feedstock in terms of end-of-life-cotton textiles, may be used to produce sugar without the same kinds of harsh pretreatments used for other biomasses, such as corn, grass sources, or wood. Disclosed is a process for production of sugar from a cotton-containing textile waste fabric comprising optionally mechanically pretreating the cotton-containing textile, pretreating the cotton-containing textile with an acid pretreatment to form a slurry, cooling the slurry, adding at least one base to the slurry, adding at least one additional acid to the slurry to form a buffer in situ, adding a hydrolysis enzyme, and optionally filtering the slurry.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: August 23, 2022
    Assignee: Cotton Inc.
    Inventors: Matthew J Farrell, Sha Fu, Mary A Ankeny
  • Publication number: 20210002683
    Abstract: Cotton-containing textiles, such as “trash” feedstock in terms of end-of-life-cotton textiles, may be used to produce sugar without the same kinds of harsh pretreatments used for other biomasses, such as corn, grass sources, or wood. Disclosed is a process for production of sugar from a cotton-containing textile waste fabric comprising optionally mechanically pretreating the cotton-containing textile, pretreating the cotton-containing textile with an acid pretreatment to form a slurry, cooling the slurry, adding at least one base to the slurry, adding at least one additional acid to the slurry to form a buffer in situ, adding a hydrolysis enzyme, and optionally filtering the slurry.
    Type: Application
    Filed: June 26, 2020
    Publication date: January 7, 2021
    Inventors: Matthew J FARRELL, Sha FU, Mary A ANKENY