Patents by Inventor Katja Klimke

Katja Klimke 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: 11845857
    Abstract: The present invention is directed to a polypropylene composition (C) comprising an ?-nucleated heterophasic composition (HECO) comprising a (semi)crystalline polypropylene (PP1), an elastomeric ethylene/propylene copolymer (EPR) and a first ?-nucleating agent (NU1), an impact modifier comprising a polyethylene (PE) being a copolymer of ethylene and a C4-C12 ?-olefin and a second ?-nucleating agent (NU2). The present invention is further directed to a method for preparing said polypropylene composition (C) and an article comprising said polypropylene composition (C). The present invention is also directed to the use of a composition comprising a polyethylene (PE) being a copolymer of ethylene and a C4-C12 ?-olefin and an ?-nucleating agent (NU2) as an impact modifier.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: December 19, 2023
    Assignees: ABU DHABI POLYMERS CO. LTD (BOROUGE) L.L.C., BOREALIS AG
    Inventors: Katja Klimke, Hans Jozef Francois Van Cauwenberghe
  • Publication number: 20230250319
    Abstract: The present invention relates to an adhesive polyethylene composition comprising (A) from 60 to 90 wt % of a non-elastomeric polyethylene being a terpolymer of ethylene with two different alpha-olefin comonomer units selected from alpha-olefins having from 4 to 12 carbon atoms; (B) from 9.0 to 38 wt % of an elastomer; wherein onto component (A) or components (A) and (B) an acid grafting agent (C) has been grafted in an amount of from 0.01 to 3.0 wt %, all based on the total weight of the adhesive polyethylene composition, a multi-layer structure comprising said adhesive polyethylene composition and the use of said adhesive polyethylene composition for the production of a multi-layer structure.
    Type: Application
    Filed: July 8, 2021
    Publication date: August 10, 2023
    Inventors: Katja Klimke, John Jamieson, Jari-Jussi Ruskeeniemi, Floran Prades, Noureddine Ajellal, Tua Sundholm, Jouni Purmonen, Angelica Legras, Andreas Albrecht
  • Publication number: 20230250320
    Abstract: The present invention relates to an adhesive polyethylene composition comprising (A) from 60 to 90 wt % of a non-elastomeric polyethylene; (B) from 9.0 to 38 wt % of an ethylene based elastomer being a copolymer of ethylene and alpha-olefin comonomer units having from 4 to 12 carbon atoms; wherein onto component (A) or components (A) and (B) an acid grafting agent (C) has been grafted in an amount of from 0.01 to 3.0 wt %, all based on the total weight of the adhesive polyethylene composition, a multi-layer structure comprising said adhesive polyethylene composition and the use of said adhesive polyethylene composition for the production of a multi-layer structure.
    Type: Application
    Filed: July 8, 2021
    Publication date: August 10, 2023
    Inventors: Katja Klimke, John Jamieson, Jari-Jussi Ruskeeniemi, Floran Prades, Noureddine Ajellal, Tua Sundholm, Jouni Purmonen, Angelica Legras, Andreas Albrecht
  • Patent number: 11339277
    Abstract: A polymer composition comprising a blend of two or more high density polyethylenes: (A) a first high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 0.25 g/10 min or less; and (B) a second high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 1.0 g/10 min to 20 g/10 min; wherein said polymer composition has an MFR2 of 0.25 to 15 g/10 min and wherein the components (A) and (B) combined form at least 91 wt % of said polymer composition.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: May 24, 2022
    Assignees: ABU DHABI POLYMERS COMPANY LIMITED (BOROUGE) L.L.C., BOREALIS AG
    Inventors: Katja Klimke, Andrey Buryak, Ashish Kumar
  • 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: 20220098401
    Abstract: The present invention relates to a polymer composition comprising (A) from 60 to 90 wt % of a non-elastomeric polyethylene; (B) from 9.0 to 38 wt % of an elastomer; wherein onto component (A) or components (A) and (B) an acid grafting agent (C) has been grafted in an amount of from 0.01 to 3.0 wt %, all based on the total weight of the polymer composition, and wherein the polymer composition has two distinct peaks and a valley between said peaks in the GPC curve and a Z value, determined from the areas below the two peaks of the GPC curve, of at least ?0.3, wherein the Z-value is determined according to formula (I) Z=s/Abs(B?A) (I) wherein Abs(B?A) is the absolute value of (B?A); A=the area, between the tangent parallel to the MW axis going through log M (Min) and the LS15 signal, from log M of 5.1 to log M value where the LS signal is minimum log M (Min), in the log M range between 5.
    Type: Application
    Filed: January 27, 2020
    Publication date: March 31, 2022
    Inventors: John Jamieson, Jari-Jussi Ruskeeniemi, Floran Prades, Noureddine Ajellal, Tua Sundholm, Jouni Purmonen, Angelica Maëlle Delphine Legras, Katja Klimke, Andreas Albrecht
  • Publication number: 20220089802
    Abstract: Process for producing a polymer composition, a polymer composition obtainable by said process and the use of said polymer composition as adhesive polymer composition and for the production of a multilayer structure, such as a three-layer metal pipe coating, with improved peel strength.
    Type: Application
    Filed: January 27, 2019
    Publication date: March 24, 2022
    Inventors: John Jamieson, Jari-Jussi Ruskeeniemi, Floran Prades, Noureddine Ajellal, Tua Sundholm, Jouni Purmonen, Angelica Maëlle Delphine Legras, Katja Klimke, Andreas Albrecht
  • Publication number: 20220010114
    Abstract: The present invention relates to a polymer composition comprising (A) a polyolefin; (B) one or more impact modifier(s); (C) one or more fluoropolymer(s); (D) one or more clarifying agent(s); and (E) one or more dispersing agent(s) in an amount of equal to or more than 100 ppm, based on the total weight amount of the polymer composition, an article comprising said polymer composition and the use of said polymer composition for reducing haze and improving gloss of an extrusion blow molded (EBM) bottle.
    Type: Application
    Filed: November 14, 2019
    Publication date: January 13, 2022
    Inventors: Katja Klimke, Hans Jozef Francois Van Cauwenberghe, Philippe Abboud
  • Patent number: 11177051
    Abstract: The present invention is directed to a new cable having at least one insulation layer, to a process for producing such cable as well as to the use of a polymeric-nucleating agent for increasing the crystallization temperature of a polymer composition being part of an insulation layer of such a cable and the use of such a cable as communication cable and/or electrical cable.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: November 16, 2021
    Assignee: BOREALIS AG
    Inventors: Katja Klimke, Markus Gahleitner, Davide Tranchida, Albrecht Dix, James Elliott Robinson, Ann Watson, Audrey Frenot Johansson
  • Publication number: 20210332226
    Abstract: The present invention is directed to a polypropylene composition (C) comprising an ?-nucleated heterophasic composition (HECO) comprising a (semi)crystalline polypropylene (PP1), an elastomeric ethylene/propylene copolymer (EPR) and a first ?-nucleating agent (NU1), an impact modifier comprising a polyethylene (PE) being a copolymer of ethylene and a C4-C12 ?-olefin and a second ?-nucleating agent (NU2). The present invention is further directed to a method for preparing said polypropylene composition (C) and an article comprising said polypropylene composition (C). The present invention is also directed to the use of a composition comprising a polyethylene (PE) being a copolymer of ethylene and a C4-C12 ?-olefin and an ?-nucleating agent (NU2) as an impact modifier.
    Type: Application
    Filed: September 10, 2019
    Publication date: October 28, 2021
    Inventors: Katja Klimke, Hans Jozef Francois Van Cauwenberghe
  • Patent number: 11098141
    Abstract: Moulded articles comprising a polypropylene homopolymer with rather high melt flow rate, high stiffness, improved optical properties and an advantageous balance between stiffness and optical properties.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: August 24, 2021
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Katja Klimke, Juliane Braun, Pauli Leskinen
  • 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: 10804005
    Abstract: The present invention is directed to a new cable having at least one insulation layer, to a process for producing such cable as well as to the use of a soluble a-nucleating agent (NA) for increasing the crystallization temperature of a polymer composition (PC) being part of an insulation layer of such a cable and the use of such a cable as communication cable and/or electrical cable.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: October 13, 2020
    Assignee: BOREALIS AG
    Inventors: Katja Klimke, Dietrich Gloger, Markus Gahleitner, Davide Tranchida, James Ellis Robinson, Ann Watson
  • Publication number: 20200181373
    Abstract: A polymer composition comprising a blend of two or more high density polyethylenes: (A) a first high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 0.25 g/10 min or less; and (B)a second high density polyethylene having a density of at least 940 kg/m3 and an MFR2 of 1.0 g/10 min to 20 g/10 min; wherein said polymer composition has an MFR2 of 0.25 to 15 g/10 min and wherein the components (A) and (B) combined form at least 91 wt % of said polymer composition.
    Type: Application
    Filed: November 23, 2017
    Publication date: June 11, 2020
    Inventors: Katja KLIMKE, Andrey BURYAK, Ashish KUMAR
  • Patent number: 10676604
    Abstract: The invention relates to long-chain branched polypropylene composition (b-PPC) comprising at least one long-chain branched propylene homopolymer or copolymer (b-PP) and at least one linear propylene homopolymer or copolymer (l-PP). The long-chain branched polypropylene composition (b-PPC) being suitable for foam application.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: June 9, 2020
    Assignee: BOREALIS AG
    Inventors: Norbert Reichelt, Paul De Mink, Markus Gahleitner, Katja Klimke, Dietrich Gloger
  • Patent number: 10442883
    Abstract: The invention is related to a new soft heterophasic random propylene copolymer with improved optical properties, as well as the process by which the heterophasic random propylene copolymer is produced.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: October 15, 2019
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Katja Klimke, Markus Gahleitner, Pauli Leskinen, Johanna Lilja
  • Publication number: 20190301065
    Abstract: Spunbonded nonwoven fabrics being composed of phthalate-free PP homopolymers and articles comprising said spunbonded fabrics.
    Type: Application
    Filed: January 2, 2017
    Publication date: October 3, 2019
    Inventors: Jingbo Wang, Katja Klimke, Joachim Fiebig, Henk Van Paridon, Markus Gahleitner
  • Patent number: 10308794
    Abstract: Described herein are polymer compositions useful as a semiconductive layer suitable for cables. The polymer compositions include (a) a heterophasic copolymer of propylene, (b) a polar copolymer having a polar comonomer having polar groups, (c) a solid conductive filler, and optionally (d) a polyolefin functionalised with a mono- or polycarboxylic acid compound or a derivative of a mono- or polycarboxylic acid compound, wherein said compostion is not crosslinked by the addition of a crosslinking agent. Also described herein is a process for producing the polymer compositions as well as the use of the compositions thereof.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: June 4, 2019
    Assignee: Borealis AG
    Inventors: Thomas Steffl, Christer Svanberg, Katja Klimke, David Friel
  • Patent number: 10179851
    Abstract: The present invention relates to a process for providing a polypropylene composition comprising a branched polypropylene (b-PP), a polypropylene composition as well as a film comprising the polypropylene composition.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: January 15, 2019
    Assignee: Borealis AG
    Inventors: Hermann Prokschi, Katja Klimke, Hermann Braun
  • Publication number: 20180371126
    Abstract: Molded articles comprising a polypropylene homopolymer with rather high melt flow rate, high stiffness, improved optical properties and an advantageous balance between stiffness and optical properties.
    Type: Application
    Filed: December 19, 2016
    Publication date: December 27, 2018
    Inventors: Jingbo Wang, Markus Gahleitner, Katja Klimke, Juliane Braun, Pauli Leskinen