Patents by Inventor Martina Sandholzer

Martina Sandholzer 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).

  • ARTICLE COMPRISING A LAYER ELEMENT
    Publication number: 20220347980
    Abstract: An article comprising a layer element (LE) of at least two layers, first layer and second layer.
    Type: Application
    Filed: January 29, 2018
    Publication date: November 3, 2022
    Inventors: Klaus Bernreitner, Martina Sandholzer, Stefan Hellstrom, Francis Costa, Bernt-Ake Sultan, Staffan Josefsson, Kristina Akyuz Karlsson
  • Propylene-ethylene random copolymer with improved irradiation resistance
    Patent number: 11390700
    Abstract: The present invention deals with a new unimodal propylene-ethylene random copolymer providing improved resistance against gamma irradiation as well as compositions comprising the new unimodal propylene-ethylene random copolymer and final articles made therefrom.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: July 19, 2022
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Andreas Albrecht, Satu Rintakari, Friedrich Berger, Martina Sandholzer
  • Process for producing pellets of copolymers of propylene
    Patent number: 11292156
    Abstract: The present invention provides a process for extruding and pelletising a propylene copolymer. The copolymer has a content of comonomer from 5 to 40% by mole, a melt flow rate MFR2 measured at 230° C. under a load of 2.16 kg of from 0.5 to 15 g/10 min and a content of cold xylene soluble material of from 20 to 60% by weight. The process comprises extruding the propylene copolymer through a die plate into an underwater pelletiser and cutting strands of the propylene copolymer into pellets in the underwater pelletiser, wherein the ratio of the mass flow rate of the propylene copolymer to the mass flow rate of the cooling water is from 0.020 to 0.060; and the propylene copolymer comprises a polymeric nucleating agent.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: April 5, 2022
    Assignee: Borealis AG
    Inventors: Martina Sandholzer, Klaus Bernreitner, Hermann Braun, Hermann Prokschi, Ulrich Schreider, Frank Schroder, Thomas Hager, Katja Klimke, Markus Gahleitner
  • Polypropylene composition with flame retardant activity
    Patent number: 11248115
    Abstract: The present invention relates to a polymer composition with flame retardant activity, to a use of the polymer composition for producing an article, to an article comprising the polymer composition, preferably to an article which comprises a layer element comprising at least one layer which comprises the polymer composition.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: February 15, 2022
    Assignee: BOREALIS AG
    Inventors: Minna Aarnio-Winterhof, Martina Sandholzer, Klaus Bernreitner
  • Polypropylene composition
    Patent number: 11091617
    Abstract: The present invention relates to a polymer composition, to a use of the polymer composition for producing an article, to an article comprising the polymer composition, preferably to an article which comprises a layer element comprising at least one layer which comprises the polymer composition.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: August 17, 2021
    Assignee: BOREALIS AG
    Inventors: Klaus Bernreitner, Martina Sandholzer, Stefan Hellstrom, Bert Broeders
  • Soft and transparent polypropylene composition
    Patent number: 11084919
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a propylene homopolymer (H-PP) as well as a process for the preparation of said polypropylene composition and a film obtained from said polypropylene composition (C).
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: August 10, 2021
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Friedrich Berger, Petar Doshev, Manfred Gruenberger, Martina Sandholzer, Markus Gahleitner
  • Polypropylene compositions for a layer element
    Patent number: 10934422
    Abstract: The present invention relates to a polymer composition for a layer element, to a use of the polypropylene composition for producing at least one layer of a layer element, preferably of a layer element of an article, preferably of a photovoltaic module, to a layer element, preferably a layer element of an article, preferably of a photovoltaic module, wherein said layer element comprises at least one layer comprising the polymer composition, as well as to an article, which is preferably a photovoltaic module.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: March 2, 2021
    Assignee: BOREALIS AG
    Inventors: Martina Sandholzer, Bert Broeders, Werner Krumlacher, Harald Muckenhuber, Michaela Plank, Verena Schenk, Klaus Bernreitner
  • Injection molded article based on propylene homopolymer
    Patent number: 10919993
    Abstract: Injection molded article for healthcare applications based on propylene homopolymer.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: February 16, 2021
    Assignee: BOREALIS AG
    Inventors: Klaus Bernreitner, Martina Sandholzer, James Stern, Joanne Belshaw
  • Multimodal random heterophasic polypropylene composition
    Patent number: 10907036
    Abstract: The present invention provides a soft multimodal random heterophasic polypropylene composition (m-Raheco) with improved stiffness and impact behaviour while maintaining optical properties. The multimodal random heterophasic polypropylene composition (m-Raheco) is suitable as material for injection moulding, e.g. for thin walled injection moulded articles. The present invention also describes specific propylene random copolymers as modifiers or compatibilizers in polyolefins and their according use.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: February 2, 2021
    Assignee: BOREALIS AG
    Inventors: Martina Sandholzer, Cornelia Tranninger, Jingbo Wang, Markus Gahleitner
  • Crosslinked polymer composition for cable accessories
    Patent number: 10889705
    Abstract: A crosslinked polymer composition based on a plastomer, which is suitable for producing at least one layer of cable accessories like cable joints, bushings or terminations; its use for preparing such a layer and the cable accessory comprising the composition.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: January 12, 2021
    Assignee: BOREALIS AG
    Inventors: Mattias Bergqvist, Martina Sandholzer, Davide Domenico Tranchida, Johan Andersson, Villgot Englund, Thomas Hjertberg
  • MULTIMODAL RANDOM HETEROPHASIC POLYPROPYLENE COMPOSITION
    Publication number: 20200140668
    Abstract: The present invention provides a soft multimodal random heterophasic polypropylene composition (m-Raheco) with improved stiffness and impact behaviour while maintaining optical properties. The multimodal random heterophasic polypropylene composition (m-Raheco) is suitable as material for injection moulding, e.g. for thin walled injection moulded articles. The present invention also describes specific propylene random copolymers as modifiers or compatibilizers in polyolefins and their according use.
    Type: Application
    Filed: October 9, 2018
    Publication date: May 7, 2020
    Inventors: Martina Sandholzer, Cornelia Tranninger, Jingbo Wang, Markus Gahleitner
  • PROPYLENE-ETHYLENE RANDOM COPOLYMER WITH IMPROVED IRRADIATION RESISTANCE
    Publication number: 20200129649
    Abstract: The present invention deals with a new unimodal propylene-ethylene random copolymer providing improved resistance against gamma irradiation as well as compositions comprising the new unimodal propylene-ethylene random copolymer and final articles made therefrom.
    Type: Application
    Filed: May 16, 2018
    Publication date: April 30, 2020
    Inventors: Jingbo Wang, Markus Gahleitner, Andreas Albrecht, Satu Rintakari, Friedrich Berger, Martina Sandholzer
  • High flow TPO composition with excellent tensile strain at break and low powder stickiness
    Patent number: 10557027
    Abstract: The present invention is directed to a heterophasic propylene copolymer (HECO), a polyolefin composition (PO) comprising the heterophasic propylene copolymer (HECO), an automotive article comprising the heterophasic propylene copolymer (HECO) and/or the polyolefin composition (PO) and a process for the preparation of the polyolefin composition (PO) as well as the use of the heterophasic propylene copolymer (HECO) for improving the mechanical properties of a polyolefin composition (PO).
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 11, 2020
    Assignee: Borealis AG
    Inventors: Georg Grestenberger, Martina Sandholzer
  • Soft polypropylene composition
    Patent number: 10519306
    Abstract: The present invention is directed to a new heterophasic propylene copolymer (RAHECO), a process for obtaining said heterophasic propylene copolymer (RAHECO) and a film or a cable insulation comprising the heterophasic propylene copolymer (RAHECO).
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: December 31, 2019
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Antonios Gitsas, Pauli Leskinen, Johanna Lilja, Martina Sandholzer, Markus Gahleitner
  • POLYPROPYLENE COMPOSITIONS FOR A LAYER ELEMENT
    Publication number: 20190382567
    Abstract: The present invention relates to a polymer composition for a layer element, to a use of the polypropylene composition for producing at least one layer of a layer element, preferably of a layer element of an article, preferably of a photovoltaic module, to a layer element, preferably a layer element of an article, preferably of a photovoltaic module, wherein said layer element comprises at least one layer comprising the polymer composition, as well as to an article, which is preferably a photovoltaic module.
    Type: Application
    Filed: July 29, 2016
    Publication date: December 19, 2019
    Inventors: Martina Sandholzer, Bert Broeders, Werner Krumlacher, Harald Muckenhuber, Michaela Plank, Verena Schenk, Klaus Bernreitner
  • High flow TPO composition with excellent balance in mechanical properties for automotive interior
    Patent number: 10472509
    Abstract: The present invention is directed to a heterophasic propylene copolymer (HECO), a polyolefin composition (PO) comprising the heterophasic propylene copolymer (HECO), an automotive article comprising the heterophasic propylene copolymer (HECO) and/or the polyolefin composition (PO) and a process for the preparation of the polyolefin composition (PO) as well as the use of the heterophasic propylene copolymer (HECO) for improving the mechanical properties of a polyolefin composition (PO).
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: November 12, 2019
    Assignee: BOREALIS AG
    Inventors: Georg Grestenberger, Martina Sandholzer
  • SOFT AND TRANSPARENT POLYPROPYLENE COMPOSITION
    Publication number: 20190330459
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a propylene homopolymer (H-PP) as well as a process for the preparation of said polypropylene composition and a film obtained from said polypropylene composition (C).
    Type: Application
    Filed: June 26, 2017
    Publication date: October 31, 2019
    Inventors: Jingbo Wang, Friedrich Berger, Petar Doshev, Manfred Gruenberger, Martina Sandholzer, Markus Gahleitner
  • POLYPROPYLENE COMPOSITION
    Publication number: 20190270871
    Abstract: The present invention relates to a polymer composition, to a use of the polymer composition for producing an article, to an article comprising the polymer composition, preferably to an article which comprises a layer element comprising at least one layer which comprises the polymer composition.
    Type: Application
    Filed: November 7, 2017
    Publication date: September 5, 2019
    Inventors: Klaus Bernreitner, Martina Sandholzer, Stefan Hellstrom, Bert Broeders
  • POLYPROPYLENE COMPOSITION WITH FLAME RETARDANT ACTIVITY
    Publication number: 20190177520
    Abstract: The present invention relates to a polymer composition with flame retardant activity, to a use of the polymer composition for producing an article, to an article comprising the polymer composition, preferably to an article which comprises a layer element comprising at least one layer which comprises the polymer composition.
    Type: Application
    Filed: August 9, 2017
    Publication date: June 13, 2019
    Inventors: Minna Aarnio-Winterhof, Martina Sandholzer, Klaus Bernreitner
  • CROSSLINKED POLYMER COMPOSITION FOR CABLE ACCESSORIES
    Publication number: 20190136022
    Abstract: A crosslinked polymer composition based on a plastomer, which is suitable for producing at least one layer of cable accessories like cable joints, bushings or terminations; its use for preparing such a layer and the cable accessory comprising the composition.
    Type: Application
    Filed: March 30, 2017
    Publication date: May 9, 2019
    Inventors: Mattias Bergqvist, Martina Sandholzer, Davide Domenico Tranchida, Johan Andersson, Villgot Englund, Thomas Hjertberg