Patents by Inventor Patrick BRANDHOFF

Patrick BRANDHOFF 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).

  • CAVITATED POLYOLEFIN FILMS AND METHODS OF PRODUCTION THEREOF
    Publication number: 20230311465
    Abstract: Provided is a feedstock comprising a polyolefin homopolymer such as polypropylene, polybutylene terephthalate (PBT) and a pigment having a refractive index of at least 1.5 complexed by maleic anhydride functionalized polypropylene (MAH-PP). Further provided are polyolefin films having a cavitated layer comprising the feedstock and methods of making such films.
    Type: Application
    Filed: February 3, 2021
    Publication date: October 5, 2023
    Inventors: Carmelo DI COSTANZO, Andreas STRUNK-WESTERMANN, Cedric MAAS, Patrick BRANDHOFF, Sebastian ERLWEIN, Vincenzo CAMPANELLA
  • Multilayer polyolefin film
    Patent number: 10906276
    Abstract: The invention relates to a multilayer polyolefin film with improved barrier effect against oxygen and water vapor and having at least one core layer and two cover layers, in which at least one layer contains a hydrocarbon resin and a nucleating agent.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 2, 2021
    Assignee: CONSTAB Polyolefin Additives GmbH
    Inventors: Andreas Strunk-Westermann, Patrick Brandhoff
  • MULTILAYER POLYOLEFIN FILM
    Publication number: 20200139685
    Abstract: The invention relates to a multilayer polyolefin film with improved barrier effect against oxygen and water vapor and having at least one core layer and two cover layers, in which at least one layer contains a hydrocarbon resin and a nucleating agent.
    Type: Application
    Filed: September 28, 2017
    Publication date: May 7, 2020
    Applicant: CONSTAB Polyolefin Additives GmbH
    Inventors: Andreas STRUNK-WESTERMANN, Patrick BRANDHOFF