Patents by Inventor Neil Marsh

Neil Marsh 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).

  • Super absorbent polymer recycling to pressure sensitive adhesives
    Patent number: 11781045
    Abstract: Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by the disclosed methods and articles comprising the pressure sensitive adhesive, including, but not limited to, pressure sensitive tape, a bandage, a label, note pads, a decal, a stamp, an envelope, a sticker, packaging, automobile trim, and a film.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: October 10, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, Paul Zimmerman, Paul Takunda Chazovachii, Michael Robo, Anne McNeil, Neil Marsh, Martin Ian James
  • Super absorbent polymer recycling to pressure sensitive adhesives
    Patent number: 11739240
    Abstract: Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by the disclosed methods and articles comprising the pressure sensitive adhesive, including, but not limited to, pressure sensitive tape, a bandage, a label, note pads, a decal, a stamp, an envelope, a sticker, packaging, automobile trim, and a film.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: August 29, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, Paul Zimmerman, Paul Takunda Chazovachii, Michael Robo, Anne McNeil, Neil Marsh, Martin Ian James
  • SUPER ABSORBENT POLYMER RECYCLING TO PRESSURE SENSITIVE ADHESIVES
    Publication number: 20210054248
    Abstract: Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by the disclosed methods and articles comprising the pressure sensitive adhesive, including, but not limited to, pressure sensitive tape, a bandage, a label, note pads, a decal, a stamp, an envelope, a sticker, packaging, automobile trim, and a film.
    Type: Application
    Filed: August 24, 2020
    Publication date: February 25, 2021
    Inventors: Dimitris Ioannis Collias, Paul Zimmerman, Paul Takunda Chazovachii, Michael Robo, Anne McNeil, Neil Marsh, Martin Ian James