Patents by Inventor Doris Machl

Doris Machl 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).

  • Publication number: 20260117055
    Abstract: A composition suitable for automotive application obtainable by blending at least components (A), (B), (C), (D), (E) and (F): (A) from 5.0 to 40.0 wt.-%, preferably from 7.0 to 37.5 wt.-%, more preferably from 8.0 to 35.0 wt.-% of a first heterophasic propylene copolymer; (B) from 10.0 to 20.0 wt.-%, preferably from 12.5 to 19.0 wt.-%, more preferably from 14.0 to 18.0 wt.-% of a second heterophasic propylene copolymer; (C) from 15.0 wt.-% to 45.0 wt.-%, preferably from 17.5 to 42.5 wt.-%, more preferably from 20.0 to 40.0 wt.-% of a mixed-plastics polypropylene blend; (D) from 2.5 wt.-% to 15.0 wt.-%, preferably from 3.5 to 12.5 wt.-%, more preferably from 4.0 to 11.0 wt.-% of a mixed-plastics polyethylene blend; (E) from 2.5 wt.-% to 15.0 wt.-%, preferably from 3.5 to 12.5 wt.-%, more preferably from 4.0 to 11.0 wt.-% of an ethylene-based plastomer; and (F) from 2.5 wt.-% to 25.0 wt.-%, preferably from 3.5 to 22.0 wt.-%, more preferably from 4.0 to 20.0 wt.
    Type: Application
    Filed: August 22, 2023
    Publication date: April 30, 2026
    Inventors: Daniela Mileva, Doris Machl, Tuan Anh Tran, Jingbo Wang
  • Publication number: 20250206928
    Abstract: The present invention relates to polyethylene mixed color blend having (i) a melt flow rate (ISO1133, 5.0 kg; 190° C.) of 0.1 to 10 g/10 min, (ii) a density of 950 to 990 kg/m3 (ISO1183); (iii) a C2 fraction in amount of at least 95.0 wt.-%, as measured by 13C-NMR of the d2-tetrachloroethylene soluble fraction; (iv) a homopolymer fraction (HPF) content determined according to Chemical Composition Analysis by Cross Fractionation Chromatography (CFC) in the range from 73.0 to 91.0 wt.-%; (v) a copolymer fraction (CPF) content determined according to Chemical Composition Analysis Cross Fractionation Chromatography (CFC) in the range from 10.0 to 22.0 wt.-%; (vi) a total content of heavy metals selected from Cr, Cd, Hg and Pb of not more than 100 ppm with respect to the total polyethylene blend, as measured by x-ray fluorescence (XRF); and (vii) a Full Notch Creep Test (FNCT) determined according to ISO 16770-2019 at 50° C. and 6.0 MPa in 2 wt.-% Arkopal N100, of at least 3.
    Type: Application
    Filed: March 20, 2023
    Publication date: June 26, 2025
    Inventors: Tuan Anh Tran, Andreas Nagl, Doris Machl, Yi Liu, Peter Denifl, Kilian Piettre, Christian Goetzloff, Michael Hettrich-Keller, Sameer Vijay, Hans-Jurgen Priesters, Oliver Lambertz
  • Publication number: 20250187245
    Abstract: A mechanical polyolefin recycling process, comprising a particular combination of processing steps in a given order, providing access to highly pure recycled polyolefin grades, having well balanced mechanical and optical properties that are superior to those typically seen in similar recycled polyolefin grades and a mechanical polyolefin recycling apparatus configured for carrying out the mechanical polyolefin recycling process
    Type: Application
    Filed: March 20, 2023
    Publication date: June 12, 2025
    Inventors: Peter Denifl, Kilian Piettre, Christian Goetzloff, Michael Hettrich-Keller, Doris Machl, Sameer Vijay, Hans-Jürgen Priesters, Oliver Lambertz
  • Publication number: 20250170761
    Abstract: The present invention concerns a polypropylene mixed color blend having (i) a crystalline fraction (CF) content determined according to CRYSTEX QC analysis, in the range from 85.0 to 95.0 wt.-%, (ii) a soluble fraction (SF) content in the range from 5.0 to 15.0 wt.-%, (iii) a total ethylene content (C2), in the range from 2.0 to 10.0 wt.-%, (iv) said crystalline fraction (CF) has a propylene content (C3 (CF)) as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from 93.0 to 99.0 wt.-%; (v) said crystalline fraction (CF) has an ethylene content (C2 (CF)), as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from [C2]-3.4 wt.-% to [C2]-0.2 wt.-%, wherein [C2] is the total ethylene content (C2) defined in (iii), (vi) a CIELAB color space (L*a*b*) measured according to DIN EN ISO 11664-4, of L* from 30.0 to 73.0; a* from ?10 to 25; and b* from ?5 to 20.
    Type: Application
    Filed: March 20, 2023
    Publication date: May 29, 2025
    Inventors: Tuan Anh Tran, Andreas Nagl, Doris Machl, Peter Denifl, Kilian Piettre, Christian Goetzloff, Michael Hettrich-Keller, Sameer Vijay, Hans-Jurgen Priesters, Oliver Lambertz
  • Publication number: 20250114978
    Abstract: A process for collecting and storing quality control data in a mechanical polyolefin recycling process, a process for optimising the performance of the mechanical polyolefin recycling process in response to said quality control data, an adjustment control model and a use of quality control data for optimising the performance of the mechanical polyolefin recycling process.
    Type: Application
    Filed: January 19, 2023
    Publication date: April 10, 2025
    Inventors: Susana Lopes Filipe, Andreas Nagl, Tuan Anh Tran, Christian Goetzloff, Doris Machl, Mithun Goswami
  • Publication number: 20250065539
    Abstract: A mechanical polyolefin recycling process. comprising a particular combination of processing steps in a given order, providing access to highly pure recycled polyolefin grades.
    Type: Application
    Filed: December 22, 2022
    Publication date: February 27, 2025
    Inventors: Peter Denifl, Kilian Piettre, Christian Goetzloff, Michael Hettrich-Keller, Doris Machl, Sameer Vijay, Hans-Jürgen Priesters, Oliver Lambertz
  • Patent number: 12226933
    Abstract: Polyethylene blend with defined CIELAB color.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: February 18, 2025
    Assignee: Borealis AG
    Inventors: Tuan Anh Tran, Susana Lopes Filipe, Andreas Nagl, Doris Machl
  • Patent number: 12084566
    Abstract: Mixed-plastics polypropylene blend including mainly polypropylene being benzene free with defined CIELAB color.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: September 10, 2024
    Assignee: Borealis AG
    Inventors: Tuan Anh Tran, Susana Lopes Filipe, Andreas Nagl, Doris Machl, Andreas Rössler-Czermak
  • Publication number: 20240262012
    Abstract: Polyethylene blend with defined CIELAB color.
    Type: Application
    Filed: May 31, 2022
    Publication date: August 8, 2024
    Inventors: Tuan Anh Tran, Susana Lopes Filipe, Andreas Nagl, Doris Machl
  • Publication number: 20240173896
    Abstract: Mixed-plastics polypropylene blend including mainly polypropylene being benzene free with defined CIELAB color.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 30, 2024
    Inventors: Tuan Anh Tran, Susana Lopes Filipe, Andreas Nagl, Doris Machl, Andreas Rössler-Czermak
  • Publication number: 20240093012
    Abstract: Mixed-plastics polypropylene blend including mainly polypropylene being benzene free with defined CIELAB color.
    Type: Application
    Filed: March 25, 2022
    Publication date: March 21, 2024
    Inventors: Tuan Anh Tran, Susana Lopes Filipe, Andreas Nagl, Doris Machl, Andreas Rössler-Czermak
  • Patent number: 8895685
    Abstract: Polypropylene composition comprising a polypropylene base resin whereby the polypropylene base resin has a MFR (2.16 kg, 230° C., ISO 1133) of 8 to 24 g/10 min and a LAOS-NLF>2.8 whereby LAOS?NLF=|G?1/G?3| where G?1—first order Fourier Coefficient, G?3—third order Fourier Coefficient.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: November 25, 2014
    Assignee: Borealis AG
    Inventors: Katja Klimke, Juha Yli-Peltola, Elke Pachner, Doris Machl, Hermann Braun, Susana Filipe, Anh Tuan Tran
  • Patent number: 8487185
    Abstract: Cable layer including a propylene polymer composition including (a) a propylene polymer (b) an elastomeric copolymer of propylene and at least one comonomer selected from the group consisting of ethylene, C4 ?-olefin, C5 ?-olefin, C6 ?-olefin, C7 ?-olefin, C8 ?-olefin, C9 ?-olefin and C10 ?-olefin, and (c) units derived from at least bifunctionally unsaturated monomer(s) and/or at least multifunctionally unsaturated low molecular weight polymer(s), the units being linked to the propylene polymer and/or the elastometric copolymer wherein the gel content of the propylene polymer composition determined as the amount of polymer insoluble in boiling xylene is not more than 1 wt %.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: July 16, 2013
    Assignee: Borealis Technology Oy
    Inventors: Doris Machl, Tung Pham, Katja Klimke
  • Patent number: 8450416
    Abstract: The present invention is directed to a first polypropylene composition comprising a propylene copolymer as matrix phase (A) comprising a homo/random/block copolymer consisting of a) a propylene homopolymer (A1); b) a propylene random copolymer (A2); and c) an ethylene-propylene rubber (EPR) (A3) and a polyolefin (B) dispersed in the matrix phase (A), which comprises hydrolysable silicon-containing groups. The present invention is furthermore directed to a second polypropylene composition comprising a matrix phase (A) comprising a propylene homo- or copolymer with an impact strength at +23° C. of at least 40.0 kJ/m2 in a Charpy notched test according to ISO 179-1eA:2000 and a polyolefin (B) dispersed in the matrix phase (A), which comprises hydrolysable silicon-containing groups. The invention is furthermore directed to a production process for the polypropylene compositions and an article made thereof.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: May 28, 2013
    Assignee: Borealis Technology Oy
    Inventors: Markus Gahleitner, Doris Machl, Katja Klimke, Tung Pham
  • Patent number: 8450421
    Abstract: Cable layer comprising a propylene polymer composition comprising (a) a polypropylene (A) (b) an elastomeric copolymer (E) comprising units derived from propylene and ethylene and/or C4 to C20 ?-olefin and (c) a polar ethylene polymer (C) wherein the cable layer and/or the propylene polymer composition has a gel content of equal or more than 0.20 wt.-%.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: May 28, 2013
    Assignee: Borealis AG
    Inventors: Tung Pham, Doris Machl, Sybille Simon, Katja Klimke, Christer Svanberg, Thomas Steffl, David Friel
  • Publication number: 20130123416
    Abstract: Polypropylene composition comprising a polypropylene base resin whereby the polypropylene base resin has a MFR (2.16 kg, 230° C., ISO 1133) of 8 to 24 g/10 min and a LAOS-NLF>2.8 whereby LAOS?NLF=|/G?1/G?3| where G?1—first order Fourier Coefficient, G?3—third order Fourier Coefficient.
    Type: Application
    Filed: January 21, 2011
    Publication date: May 16, 2013
    Applicant: BOREALIS AG
    Inventors: Katja Klimke, Juha Yli-Peltola, Elke Pachner, Doris Machl, Hermann Braun, Susana Filipe, Anh Tuan Tran
  • Patent number: 8304049
    Abstract: Polypropylene composition comprising a propylene homopolymer (A) and a random propylene-butene copolymer (B) or a random propylene-ethylene copolymer (B?) wherein the polypropylene composition is ?-nucleated.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: November 6, 2012
    Assignee: Borealis Technology Oy
    Inventors: Doris Machl, Bo Malm, Franz Ruemer, Klaus Bernreitner
  • Patent number: 8063148
    Abstract: The present invention relates to a polyolefin composition comprising an olefin homo- or copolymer (A) in an amount of 90 wt. % or more, and an olefin homo- or copolymer (B) comprising hydrolysable silicon-containing groups, wherein olefin homo- or copolymer (B) is present in the composition in an amount of from 0.01 to 2 wt. %.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: November 22, 2011
    Assignee: Borealis Technology Oy
    Inventors: Markus Gahleitner, Tung Pham, Johannes Wolfschwenger, Doris Machl
  • Publication number: 20110266027
    Abstract: Cable layer comprising a propylene polymer composition comprising (a) a polypropylene (A) (b) an elastomeric copolymer (E) comprising units derived from propylene and ethylene and/or C4 to C20 ?-olefin and (c) a polar ethylene polymer (C) wherein the cable layer and/or the propylene polymer composition has a gel content of equal or more than 0.20 wt.-%.
    Type: Application
    Filed: December 17, 2009
    Publication date: November 3, 2011
    Applicant: Borealis AG
    Inventors: Tung Pham, Doris Machl, Sybille Simon, Katja Klimke, Christer Svanberg, Thomas Steffl, David Friel
  • Patent number: 8030403
    Abstract: The present invention relates to a composition, in particular to a polypropylene composition, and articles thereof, having an optimal balance between mechanical properties and transparency and thus the composition is particular suitable for packaging applications.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: October 4, 2011
    Assignee: Borealis Technology Oy
    Inventors: Markus Gahleitner, Nina Ackermans, Tung Pham, Espen Ommundsen, Christelle Grein, Doris Machl