Patents by Inventor Hermann Braun

Hermann Braun 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).

  • Patent number: 11512189
    Abstract: The present invention is directed to a polyethylene-polypropylene composition comprising a blend (A) being a recycled material, said blend comprising polypropylene and polyethylene, and a compatibilizer (B) being a copolymer of 1-butene and ethylene. Further, the present invention is directed to an article comprising said polyethylene-polypropylene composition and a process for preparing said polyethylene-polypropylene composition. The present invention is also directed to the use of a compatibilizer (B) being a copolymer of 1-butene and ethylene for improving the impact-stiffness balance and the morphology of the blend (A).
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: November 29, 2022
    Assignee: BOREALIS AG
    Inventors: Susanne Kahlen, Hermann Braun, Yi Liu, Markus Gahleitner, Gerhard Hubner
  • Publication number: 20220372264
    Abstract: A polyolefin composition obtainable by blending a) 96.0 to 99.7 wt.-% of a blend (A), being a recycled material comprising A-1) 30 to 70 wt.-% isotactic polypropylene homopolymer, A-2) 20 to 50 wt.-% polyethylene and ethylene containing copolymers, A-3) 0.5 to 4.0 wt.-% polyamide-6,various optional components, A-11) 1 ppm to 100 ppm of limonene, and A-12) 1 ppm to 200 ppm total fatty acid content with a maleic anhydride-grafted SEBS block copolymer, characterized by its melt volume rate and maleic anhydride content.
    Type: Application
    Filed: March 2, 2020
    Publication date: November 24, 2022
    Inventors: Susanne Kahlen, Hermann Braun, Yi Liu, Andreas Albrecht, Gerhard Hubner
  • Publication number: 20220356330
    Abstract: Disclosed is a polymer composition comprising at least the following components A) 20 to 75 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) polypropylene; a2) polyethylene; wherein the weight ratio of a1) to a2) is from 3:7 to 12:1; and wherein the polymer blend A) is a recycled material; B) 25 to 80 wt.-% based on the overall weight of the polymer composition of a virgin polypropylene homopolymer. Also disclosed are a process for manufacturing the polymer composition, a process for improving mechanical properties of a polymer blend A) by incorporating B) into A) and articles made from the resulting polymer composition.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 10, 2022
    Applicant: Borealis AG
    Inventors: Susanne Margarete KAHLEN, Hermann BRAUN, Yi LIU, Meta CIGON, Philip KNAPEN
  • Publication number: 20220325081
    Abstract: It is provided a polymer composition including at least the following components A) 70 to 97 wt.-% based on the overall weight of the polymer composition of a polymer blend, including a1) 50 to 95 wt.-% of polypropylene; a2) 5 to 50 wt.-% of polyethylene; B) 3 to 30 wt.-% based on the overall weight of the polymer composition of a copolymer of propylene and 1-hexene, including b1) 30 to 70 wt.-% of a first random copolymer of propylene and 1-hexene; and b2) 30 to 70 wt.-% of a second random copolymer of propylene and 1-hexene having a higher 1-hexene content than the first random propylene copolymer b1); with the provisos that the weight proportions of components a1) and a2) add up to 100 wt.-%; the weight proportions of components b1) and b2) add up to 100 wt.-%; component A) has a MFR2 (230° C., 2.16 kg) determined according to ISO 1133 in the range from 1.0 to 50.0 g/10 min; component B) has a 1-hexene content in the range of 2.0 to 8.0 wt.
    Type: Application
    Filed: April 28, 2020
    Publication date: October 13, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Hermann Braun
  • Publication number: 20220325084
    Abstract: Upgraded recycling polyolefin composition including a styrene-grafted polypropylene compatibilizer.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 13, 2022
    Inventors: Susanne Margarete Kahlen, Hermann Braun, Yi Liu, Albrecht Andreas, Gerhard Hubner
  • Publication number: 20220306844
    Abstract: Disclosed is a polymer composition comprising at least the following components A) 20 to 75 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) polypropylene; a2) polyethylene; wherein the weight ratio of a1) to a2) is from 3:7 to 12:1; and wherein the polymer blend A) is a recycled material; B) 25 to 80 wt.-% based on the overall weight of the polymer composition of a virgin random polypropylene copolymer wherein the weight proportions of components A) and B) add up to 100 wt.-%. Also disclosed are a process for manufacturing the polymer composition to the use of component B) for improving mechanical properties of polymer blends A) and to articles comprising the polymer composition.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 29, 2022
    Applicant: Borealis AG
    Inventors: Susanne Margarete KAHLEN, Hermann BRAUN, Yi LIU, Meta CIGON, Philip KNAPEN
  • Publication number: 20220289955
    Abstract: Disclosed is a polymer composition comprising at least the following components A) 20 to 75 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising a1) polypropylene; a2) polyethylene; wherein the weight ratio of a1) to a2) is from 3:7 to 12:1; and wherein the polymer blend A) is a recycled material; B) 25 to 80 wt.-% based on the overall weight of the polymer composition of a virgin heterophasic polypropylene block copolymer; wherein that the weight proportions of A) and B) add up to 100 wt.-%. Also disclosed are a process for manufacturing the polymer composition and articles comprising the polymer composition.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 15, 2022
    Applicant: Borealis AG
    Inventors: Susanne Margarete KAHLEN, Hermann BRAUN, Yi LIU, Meta CIGON, Philip KNAPEN
  • Publication number: 20220186011
    Abstract: The present invention is directed to a polyethylene-polypropylene composition comprising a blend (A) being a recycled material, said blend comprising polypropylene and polyethylene, and a compatibilizer (B) being a C2C3C4 terpolymer. Further, the present invention is directed to an article comprising said polyethylene-polypropylene composition and a process for preparing said polyethylene-polypropylene composition. The present invention is also directed to the use of a compatibilizer (B) being a C2C3C4 terpolymer for improving the impact-stiffness balance and the morphology of the blend (A).
    Type: Application
    Filed: March 26, 2020
    Publication date: June 16, 2022
    Inventors: Susanne Kahlen, Hermann Braun, Yi Liu, Markus Gahleitner, Gerhard Hubner
  • Publication number: 20220177679
    Abstract: The present invention is directed to a polyethylene-polypropylene composition comprising a blend (A) being a recycled material, said blend comprising polypropylene and polyethylene, and a compatibilizer (B) being a copolymer of 1-butene and ethylene. Further, the present invention is directed to an article comprising said polyethylene-polypropylene composition and a process for preparing said polyethylene-polypropylene composition. The present invention is also directed to the use of a compatibilizer (B) being a copolymer of 1-butene and ethylene for improving the impact-stiffness balance and the morphology of the blend (A).
    Type: Application
    Filed: March 27, 2020
    Publication date: June 9, 2022
    Inventors: Susanne Kahlen, Hermann Braun, Yi Liu, Markus Gahleitner, Gerhard Hubner
  • Publication number: 20220127439
    Abstract: A polyethylene-polypropylene composition obtainable by blending a) 80 to 97 wt.-% of a blend (A) comprising A-1) polypropylene and A-2) polyethylene, wherein the weight ratio of polypropylene to polyethylene is from 3:7 to 7:3, and wherein blend (A) is a recycled material, which is recovered from a waste plastic material derived from post-consumer and/or industrial waste; and b) 3 to 20 wt.-% of a compatibilizer (B) being a C2C8 plastomer, having—a DSC melting point of below 75° C. (ISO11357);—an MFR2 (ISO1133, 2.16 kg load at 190° C.) of equal or below 1.5 g/10 min; and—a density of equal or lower than 885 kg/m3 (ISO1183),wherein the ratio of MFR2 (blend (A) (ISO1133, 2.16 kg load at 230° C.)/MFR2(compatibilizer (B) (ISO1133, 2.16 kg load at 190 ° C.), is in the range 3.0 to 15; and c) 0 to 1.0 wt.-% of a stabilizer or mixture of stabilizers.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 28, 2022
    Inventors: Susanne Kahlen, Hermann Braun, Yi Liu, Markus Gahleitner
  • 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
  • Publication number: 20220033631
    Abstract: The present invention is directed to a biaxially oriented polypropylene (BOPP) film with improved breakdown strength and to a capacitor comprising an insulation film comprising a layer of the biaxially oriented polypropylene film of the present invention. The present invention is further directed to a process for producing a biaxially oriented polypropylene film. Finally, the present invention is further directed to the use of a biaxially oriented polypropylene film of the present invention as layer of an insulation film of a capacitor. The BOPP film comprises a polypropylene composition, wherein the polypropylene composition comprises a high isotactic homopolymer of propylene and a polymeric ?-nucleating agent. The BOPP film has a dielectric breakdown field strength Eb63.2 of at least 595 kV/mm.
    Type: Application
    Filed: December 20, 2019
    Publication date: February 3, 2022
    Applicant: BOREALIS AG
    Inventors: Dietrich GLOGER, Hermann BRAUN, Antonios GITSAS, Davide TRANCHIDA, Franciscus JACOBS, Wolfram STADLBAUER
  • Patent number: 11028238
    Abstract: The present invention is directed to a process for producing a modified olefin polymer having increased melt strength in an extruder. The process comprising the steps of: (A) contacting a stream comprising particles of an olefin polymer with a vapour stream of a functionally unsaturated compound in vapour phase thereby producing a first mixed stream; (B) passing the first mixed stream to an extruder; (C) melting the polymer particles of the first mixed stream in the extruder; (D) introducing a stream of a free radical generator either into the first mixed stream or into the extruder; and (E) extruding the first mixed stream and the free radical generator at a temperature which is greater than the decomposition temperature of the free radical generator and the melting temperature of the olefin polymer but less than the decomposition temperature of the olefin polymer thereby producing the modified olefin polymer in the extruder.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: June 8, 2021
    Assignee: BOREALIS AG
    Inventors: Hermann Braun, Rebeca Reguillo Carmona, Sascha Kaltenbacher, Katja Klimke, Udo Muster, Hermann Prokschi
  • Patent number: 11021597
    Abstract: The present invention is biaxially oriented film comprising a layer comprising a propylene polymer composition comprising a high isotactic homopolymer of propylene and a polymeric ?-nucleating agent. The composition may also comprise other propylene polymers.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: June 1, 2021
    Assignee: BOREALIS AG
    Inventors: Antonios Gitsas, Dietrich Gloger, Hermann Braun, Franciscus Jacobs, Davide Tranchida, Wolfram Stadlbauer
  • Publication number: 20200087478
    Abstract: The invention relates to a process for the production of a foam having low organic compounds emissions, to polypropylene foamed products obtainable by the process, and to a process for the manufacture of low organic compounds emission articles comprising a foam for use in cars and food packaging. The process comprises the steps of: a) providing a foam comprising a propylene composition comprising a high melt strength propylene (HMS-PP) homopolymer or copolymer or combinations thereof, said HMS-PP foam having a melt strength of at least 25 cN at a maximum speed of at least 200 mm/s and a melting temperature of at least 135° C. and b) subjecting the HMS-PP foam to a thermal treatment at a temperature Tt which is preferably between 5 and 15° C. below the melting temperature Tm of the HMS-PP for a duration between preferably 1 and 10 minutes.
    Type: Application
    Filed: December 28, 2017
    Publication date: March 19, 2020
    Inventors: Hermann Braun, Norbert Reichelt, Andreas Fuchs, Alexander Standler, Paul De Mink, Markus Gahleitner
  • Patent number: 10526478
    Abstract: A propylene copolymer composition which comprises —a random copolymer of propylene (A), —a random copolymer of propylene (B), and —optional additive(s), suitable for pressure pipe applications.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: January 7, 2020
    Assignee: BOREALIS AG
    Inventors: Hermann Braun, Luca Boragno, Klaus Bernreitner, Sanna Martin, Tiina Suikkanen, Wolfram Stadlbauer
  • Patent number: 10495034
    Abstract: An internal combustion engine including a cylinder head, a fresh air duct configured for providing a fresh air supply to the internal combustion engine, and a quick-closing valve arranged in the fresh air duct, upstream of the cylinder head of the internal combustion engine, in order to interrupt the fresh air supply. The internal combustion engine also includes an exhaust gas recirculation pipe that has an outlet opening that is arranged centrally in the fresh air duct and, in a flow direction of the fresh air supply, upstream of the quick-closing valve forming a minimum gap between the outlet opening and the quick-closing valve.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: December 3, 2019
    Assignee: MTU Friedrichshafen GmbH
    Inventors: Hermann Braun, Thomas Rode, Christian-Paul Stelzer
  • Patent number: 10457766
    Abstract: The invention relates to a propylene homopolymer or copolymer having a comonomer in the copolymer selected from ethylene, C4-C20-alpha olefin, said propylene homopolymer or copolymer being free of phthalic compound. It further relates to a long-chain branched propylene homopolymer or copolymer (b-PP) having a comonomer in the copolymer selected from ethylene, C4-C20-alpha olefins, said long-chain branched propylene homopolymer or copolymer (b-PP) being free of phthalic compound. As well as their production processes and uses.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: October 29, 2019
    Assignee: BOREALIS AG
    Inventors: Hermann Braun, Jingbo Wang, Markus Gahleitner, Hermann Prokschi, Johanna Lilja
  • Patent number: 10316177
    Abstract: The invention relates to a propylene homopolymer or copolymer having a comonomer in the copolymer selected from ethylene, C4-C20-alpha olefin, said propylene homopolymer or copolymer being free of phthalic compound. It further relates to a long-chain branched propylene homopolymer or copolymer (b-PP) having a comonomer in the copolymer selected from ethylene, C4-C20-alpha olefins, said long-chain branched propylene homopolymer or copolymer (b-PP) being free of phthalic compound. As well as their production processes and uses.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: June 11, 2019
    Assignee: BOREALIS AG
    Inventors: Hermann Braun, Jingbo Wang, Markus Gahleitner, Hermann Prokschi, Pauli Leskinen, Johanna Lilja
  • Patent number: 10266671
    Abstract: The invention relates to a tube comprising a heterophasic polypropylene composition comprising a heterophasic polypropylene copolymer with an antioxidant comprising a sterically hindered phenol. The heterophasic polypropylene copolymer has the relative amount of crystal line polypropylene above 20 wt %. the relative amount of xylene cold solubles (XCS) fraction is at least 10 wt % and the relative content of isolated ethylene sequences (I(E)) of the XCS fulfills the equation: I(E)<78?1.97×C+0.015×(C)2 wherein C is the comonomer content [wt %] of the XCS fraction and wherein the I(E) content is defined by equation I(E) wherein I(E) is the relative content of isolated to block ethylene sequences.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: April 23, 2019
    Assignee: Borealis AG
    Inventors: Ann Watson, Bill Fajardo, Ted Gormanos, Markus Gahleitner, Jingbo Wang, Hermann Braun, Fredrik Bergfors