Patents by Inventor Robert Christoffel DE WAAL

Robert Christoffel DE WAAL 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).

  • Scratch resistant polymer composition
    Patent number: 11958960
    Abstract: Scratch resistant polymer composition, in particular for the manufacturing of rigid, scratch resistant and dimensionally stable building bricks, comprising: a) a bio-based HDPE granulate, produced from ethanol or ethylene obtained from biomass; b) an amorphous polymer and/or (semi)crystalline polymer; c) optionally a mineral filler and optionally a colouring pigment; Furthermore, a method for manufacturing an injection moulding article from the scratch resistant polymer composition is disclosed.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: April 16, 2024
    Assignee: De Patent B.V.
    Inventors: Stefanus Theodorus Arnoldus Martinus Van Bommel, Robert Christoffel De Waal
  • SCRATCH RESISTANT POLYMER COMPOSITION
    Publication number: 20210032447
    Abstract: Scratch resistant polymer composition, in particular for the manufacturing of rigid, scratch resistant and dimensionally stable building bricks, comprising: a) a bio-based HDPE granulate, produced from ethanol or ethylene obtained from biomass; b) an amorphous polymer and/or (semi)crystalline polymer; c) optionally a mineral filler and optionally a colouring pigment; Furthermore, a method for manufacturing an injection moulding article from the scratch resistant polymer composition is disclosed.
    Type: Application
    Filed: March 21, 2019
    Publication date: February 4, 2021
    Inventors: Stefanus Theodorus Arnoldus Martinus VAN BOMMEL, Robert Christoffel DE WAAL