Patents Assigned to CONSTAB Polyolefin Additives GmbH
  • Cavitated polyolefin films and methods of production thereof
    Patent number: 12172413
    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: Grant
    Filed: February 3, 2021
    Date of Patent: December 24, 2024
    Assignee: CONSTAB POLYOLEFIN ADDITIVES GMBH
    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