Patents by Inventor Rudd DE GROOT

Rudd DE GROOT 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).

  • METHODS OF MAKING BIODEGRADABLE AND/OR COMPOSTABLE BIOBASED POWDERS FOR ADDITIVE MANUFACTURING
    Publication number: 20250122345
    Abstract: The present invention is directed to methods of manufacturing certain biodegradable and/or compostable biobased particulate compositions for additive manufacturing which incorporate a homopolymer or copolymer of 3-hydroxy butyric acid. Specifically, the methods of manufacturing claimed and described herein include the steps of providing a starting material comprising said 3-hydroxy butyric acid; optionally, compacting the starting material to obtain a compacted material; heating to a temperature sufficient to prevent sticking to obtaining an annealed material; and milling into a powder having specified particle size values. In addition, the present invention is directed to additive manufacturing processes utilizing the biodegradable and/or compostable biobased particulate compositions elsewhere described, along with the articles printed therefrom.
    Type: Application
    Filed: June 8, 2022
    Publication date: April 17, 2025
    Applicant: Stratasys, Inc.
    Inventors: Franciscus Johannes Marie DERKS, Stijn WITTERS, Joseph Petronella FRIEDERICHS, Rudd DE GROOT