Patents by Inventor Markus Leufgens

Markus Leufgens 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).

  • Multilayer film
    Patent number: 9539793
    Abstract: The invention relates to a multilayer film comprising at least a tri-layer structure, said tri-layer structure being made up of a core polymer layer interposed between two covering polymer layers that each comprise polyethylene, wherein the core polymer layer comprises a melt blend of polyethylene, thermoplastic starch, and ethylene acrylic acid copolymer.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: January 10, 2017
    Assignee: TRISTANO PTY LTD.
    Inventors: Changping Chen, John Scheirs, Markus Leufgens
  • POLYMER FILM WITH RENEWABLE CONTENT
    Publication number: 20160107426
    Abstract: Disclosed is a polymer film having a multilayer structure, the multilayer structure including an inner polymer layer interposed between first and second outermost polymer layers, wherein: (i) the inner polymer layer includes a melt blend of: (a) a starch containing a polymer composition including polyethylene, thermoplastic starch, and one or more compatibilizers; (b) a metallocene polyethylene having a melt flow index in the range of 0.5 to 2.5 g/10 min and a density in the range of 0.910 to 0.935 g/cm3; (c) a polyethylene having a melt flow index in the range of 2 to 4 g/10 min and a density in the range of 0.918 to 0.925 g/cm3; and (d) a polyethylene have a melt flow index in the range of 0.05 to 0.2 g/10 min and a density in the range of 0.948 to 0.955 g/cm3; (ii) the first and second outermost polymer layers independently (a) include a metallocene polyethylene having a melt flow index in the range of 0.5 to 2.5 g/10 min and a density in the range of 0.916 to 0.
    Type: Application
    Filed: May 29, 2014
    Publication date: April 21, 2016
    Inventor: Markus Leufgens
  • Polymer foam
    Patent number: 9255197
    Abstract: The present invention relates to foam comprising thermoplastic starch, polyolefin, polyolefin wax, ethylene vinyl alkanoate copolymer, and ethylene acrylic copolymer, and also to a method of preparing the same.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: February 9, 2016
    Assignee: TRISTANO PTY LTD
    Inventors: Markus Leufgens, John Scheirs
  • POLYOLEFIN COMPOSITION COMPRISING THERMOPLASTIC STARCH
    Publication number: 20150299432
    Abstract: A polyolefin composition can include polyolefin, amphipathic polymer compatibiliser, iron palmitate, and thermoplastic starch and/or its constituent components.
    Type: Application
    Filed: August 23, 2013
    Publication date: October 22, 2015
    Inventors: John SCHEIRS, Markus LEUFGENS
  • POLYMER FOAM
    Publication number: 20130196103
    Abstract: The present invention relates to foam comprising thermoplastic starch, polyolefin, polyolefin wax, ethylene vinyl alkanoate copolymer, and ethylene acrylic copolymer, and also to a method of preparing the same.
    Type: Application
    Filed: August 12, 2011
    Publication date: August 1, 2013
    Applicant: TRISTANO PTY LTD
    Inventors: Markus Leufgens, John Scheirs
  • MULTILAYER FILM
    Publication number: 20120315416
    Abstract: The invention relates to a multilayer film comprising at least a tri-layer structure, said tri-layer structure being made up of a core polymer layer interposed between two covering polymer layers that each comprise polyethylene, wherein the core polymer layer comprises a melt blend of polyethylene, thermoplastic starch, and ethylene acrylic acid copolymer.
    Type: Application
    Filed: July 20, 2010
    Publication date: December 13, 2012
    Applicant: TRISTANO PTY LTD
    Inventors: Changping Chen, John Scheirs, Markus Leufgens