Patents by Inventor Marion Andrews

Marion Andrews 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).

  • Absorbent cores having material free areas
    Patent number: 11944526
    Abstract: An absorbent core, for use in an absorbent article, including a core wrap enclosing an absorbent material and including superabsorbent polymer particles. The core wrap includes a top side and a bottom side, and the absorbent core includes one or more area(s) substantially free of absorbent material through which the top side of the core wrap is attached to the bottom side of the core wrap, so that when the absorbent material swells the core wrap forms one or more channel(s) along the area(s) substantially free of absorbent material. The superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of less than 240 s as measured according to the K(t) test method.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: April 2, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Andrea Andrew Peri, Aniruddha Chatterjee, Peter Dziezok, Bruno Johannes Ehrnsperger, Juliane Kamphus, Marion Lutsche
  • Imide-Modified Polyester Resins
    Publication number: 20070225410
    Abstract: The present invention relates to imide-modified polyester imide resins. The present invention further relates to articles (e.g., preforms, bottles, containers, sheets, films, fibers, and injection molded parts) formed from these imide-modified polyester imide resins.
    Type: Application
    Filed: May 24, 2007
    Publication date: September 27, 2007
    Applicant: WELLMAN, INC.
    Inventors: Walter Edwards, Marion Andrews
  • Methods of making imide-modified polyester resins
    Publication number: 20050171326
    Abstract: The present invention relates to methods of making imide-modified polyester imide resins. The present invention further relates to forming these imide-modified polyester imide resins into articles, such as preforms, bottles, containers, sheets, films, fibers, and injection molded parts.
    Type: Application
    Filed: January 28, 2005
    Publication date: August 4, 2005
    Inventors: Walter Edwards, Marion Andrews