Patents by Inventor Klaus Bernreitner

Klaus Bernreitner 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: 20240158544
    Abstract: The present invention relates to a coated article comprising at least a substrate layer (SL), a first coating layer (CL1) and a second coating layer (CL2), wherein CL2 comprises a polypropylene composition comprising (A) a polypropylene homopolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 10 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 149 to 162° C.; and a molecular weight distribution MWD in the range from 2.4 to 4.5 as determined by GPC; and/or (B) an ethylene propylene random copolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 4 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 115 to 145° C.; and a number of 2,1 and 3,1 regio defects in the range from 0.01 to 1.2 mol-% as measured by 13C NMR; and wherein SL and CL1 are polypropylene-based layers.
    Type: Application
    Filed: February 11, 2022
    Publication date: May 16, 2024
    Applicant: BOREALIS AG
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Peter NIEDERSUESS, Auli NUMMILA-PAKARINEN, Stefan ORTNER
  • Patent number: 11981782
    Abstract: The invention provides a multimodal propylene butene random copolymer having a melt flow rate (MFR2) of 1.0 to 20.0 g/10 min and a butene content of 1.5 to 8.0 wt %, wherein said copolymer is prepared using a single site catalyst and wherein said copolymer comprises (i) 30 to 70 wt % of a propylene butene copolymer (A) having an MFR2 of 0.5 to 20.0 g/10 min and a butene content of 0.5 to 10.0 wt %; and (ii) 70 to 30 wt % of a propylene butene copolymer (B) having an MFR2 of 0.5 to 20.0 g/10 min and a butene content of 1.0 to 8.0 wt %; wherein copolymers (A) and (B) are different.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: May 14, 2024
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Matthias Hoff
  • Patent number: 11981801
    Abstract: New polypropylene composition which combines low sealing initiation temperature (SIT), low overall migration, good optical properties, like low haze and good retortability, its use and articles made therefrom.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: May 14, 2024
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Simon Schwarzenberger, Klaus Bernreitner, Markus Gahleitner
  • Patent number: 11952481
    Abstract: The present invention relates to a heterophasic propylene copolymer polymerized the presence of a single-site catalyst with a low tensile modulus, a process for preparing such a heterophasic propylene copolymer and articles made therefrom.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: April 9, 2024
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Peter Wilfried Toltsch, Simon Schwarzenberger
  • Publication number: 20240101735
    Abstract: Film made from ethylene-propylene-1-butene terpolymer and propene-butene copolymer blend and ethylene-propylene-1-butene terpolymer and propene-butene copolymer blend.
    Type: Application
    Filed: January 31, 2022
    Publication date: March 28, 2024
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersüss, Stefan Ortner
  • Publication number: 20240101771
    Abstract: Blown film made from terpolymers, and terpolymers containing units derived from propylene, ethylene and 1-butene.
    Type: Application
    Filed: July 29, 2021
    Publication date: March 28, 2024
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
  • Publication number: 20240100816
    Abstract: Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.
    Type: Application
    Filed: March 30, 2022
    Publication date: March 28, 2024
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuess, Stefan Ortner
  • Publication number: 20240093415
    Abstract: The present invention relates to a non-woven fabric comprising fibers which comprise a polypropylene composition comprising a polypropylene having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 of 10 to 40 g/10 min, a melting temperature Tm as determined by DSC according to ISO 11357 of >152.0° C. to <162.0° C., and a number of 2,1 and 3,1 regio defects as measured by 13C NMR of from 0.01 to 0.85%, to a process for producing the non-woven fabric, to the use of said non-woven fabric for the production of an article and to an article comprising the non-woven fabric.
    Type: Application
    Filed: May 26, 2021
    Publication date: March 21, 2024
    Applicant: Borealis AG
    Inventors: Jingbo Wang, Markus GAHLEITNER, Pauli LESKINEN, Klaus BERNREITNER, Mathias HOFF, Henk VAN PARIDON, Gustaf TOBIESON
  • Publication number: 20240084103
    Abstract: A polypropylene composition (PC) comprising: a. from 95.0 to 99.99 wt.-%, of a polypropylene (PP), preferably a propylene homopolymer (HPP); and b. from 0.01 to 5.0 wt.-%, of a compound according to Formula (I), wherein each R is independently selected from C1 to C6 alkylene, C2 to C6 alkenylene and a single bond, each R? is independently selected from H and C1 to C6 alkyl, each R? is independently selected from H and C1 to C22 alkyl, wherein each alkylene, alkenylene and alkyl group may optionally be substituted by deuterium or fluorine, and the two substituents on the central benzene ring may be either positioned in an ortho, meta or para relationship; wherein the polypropylene composition (PC) has an MFR2 of from 400 to 5000 g/10 min and a melting temperature Tm of from 140 to 170° C.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 14, 2024
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Joachim Fiebig, Henk Van Paridon, Wilhelmus Sars, Gustaf Tobieson, Pauli Leskinen
  • Publication number: 20240084080
    Abstract: The present invention is directed to a fiber reinforced composition (C) comprising a heterophasic polypropylene composition (HECO), fibers (F) and an adhesion promoter (AP) as well as an article comprising said fiber reinforced composition (C).
    Type: Application
    Filed: January 20, 2022
    Publication date: March 14, 2024
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Georg Grestenberger, Thomas Lummerstorfer
  • Patent number: 11904580
    Abstract: The present invention relates to a multilayer blown film including at least one skin layer (A) including a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) including a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) including either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: February 20, 2024
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuess, Stefan Ortner
  • Publication number: 20240043584
    Abstract: Disclosed is a process for producing a propylene polymer composition comprising a long chain branched propylene polymer, wherein the propylene polymer composition has a) a melt flow rate MFR2 (230° C., 2.16 kg) of 0.8 to 6.0 g/10 min b) a xylene hot insolubles (XHU) fraction in an amount of not more than 0.80 wt %, based on the total weight amount of the propylene polymer composition, c) a melting temperature Tm of at least 160.0° C., d) a F30 melt strength of from 5.0 to less than 30.0 cN, and e) a heat distortion temperature (HDT) of at least 108° C., the process comprising reactive modification of a propylene polymer in the presence of a peroxide. Also disclosed is an article comprising said propylene polymer composition.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 8, 2024
    Applicant: BOREALIS AG
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Katja Ellen KLIMKE, Friedrich BERGER
  • Patent number: 11873397
    Abstract: The invention provides a polyolefin composition comprising: (i) 55 to 95 wt % of a propylene butene random copolymer having an MFR2 of 1.0 to 20.0 g/10 min, a butene content of 1.5 to 8.0 wt % and prepared using a single site catalyst; and (ii) to 45 wt % of an ethylene based plastomer having a density of 860 to 905 kg/m3, an MFR2 of 0.3 to 30 g/10 min and prepared using a single site catalyst.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: January 16, 2024
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Matthias Hoff
  • Publication number: 20240002555
    Abstract: A process for the preparation of isotactic propylene polymer compositions involving the polymerisation of propylene and optionally one or more comonomers selected from ethylene and ?-olefins containing 4 to 12 carbon atoms in one or more reaction steps in the present of a catalyst system comprising 45 to 99 wt.-% of a metallocene catalyst and 1 to 55 wt.-% of a Ziegler Natta catalyst having a non-phthalate internal donor and having been prepolymerised with a monomer (I) of the general formula CH2?CH—CHR1R2 (I) wherein R1 and R2 are either individual alkyl groups with one or more carbon atoms or form an optionally substituted saturated, unsaturated or aromatic ring or a fused ring system containing 4 to 20 carbon atoms.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 4, 2024
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Emilia Tiitinen
  • Publication number: 20240002559
    Abstract: The present invention provides a process for recycling propylene-ethylene copolymers to obtain polymers having good optical and mechanical properties, as well as good processability. The invention further provides propylene-ethylene copolymer pellets obtained from the process, articles comprising or consisting of such pellets and the use of the propylene-ethylene copolymer pellets for injection molding applications. The process comprising the steps of (a) polymerizing propylene and ethylene in the presence of a single site catalyst in a continuous polymerization reactor under dynamic conditions, (b) collecting the resulting propylene-ethylene copolymer powders from step (a) to obtain a mixture (M) of propylene-ethylene copolymer powders having a MFR2 (ISO 1133, 230° C., 2.16 kg) in a raffle of from 1.5 to 80.0 g/ 10 min and an ethylene content in a range of from 1.0 to 4.0 wt.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 4, 2024
    Applicant: Borealis AG
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Johanna LILJA, Anita LUYTEN
  • Publication number: 20230406971
    Abstract: Process for the production of a polypropylene based article having improved surface tension retention, and polypropylene based article having improved surface tension
    Type: Application
    Filed: September 8, 2021
    Publication date: December 21, 2023
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuess, Stefan Ortner
  • Patent number: 11834529
    Abstract: The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a melt flow rate MFR2 (230° C., 2.16 kg) of 0.8 to 6.0 g/10 min b) a xylene hot insolubles (XHU) fraction in an amount of not more than 0.80 wt %, based on the total weight amount of the propylene polymer composition, c) a melting temperature Tm of at least 160.0° C., d) a F30 melt strength of from 5.0 to less than 30.0 cN, and e) a heat distortion temperature (HDT) of at least 108° C., a process for producing said propylene polymer composition by reactive modification of a propylene polymer in the presence of a peroxide, an article comprising said propylene polymer composition and the use of said propylene polymer composition for producing an article.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: December 5, 2023
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Katja Ellen Klimke, Friedrich Berger
  • Publication number: 20230382091
    Abstract: The present invention relates to a multilayer blown film comprising at least one skin layer (A) comprising a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) comprising a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) comprising either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).
    Type: Application
    Filed: May 14, 2021
    Publication date: November 30, 2023
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuess, Stefan Ortner
  • Patent number: 11827777
    Abstract: The present invention is directed to a polypropylene composition (P) comprising a first random propylene copolymer (A) and a second random propylene copolymer (B), said first random propylene copolymer (A) and said second random propylene copolymer (B) being copolymers of propylene and 1-hexene. Further, the present invention is directed to a blown film comprising said polypropylene composition (P).
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: November 28, 2023
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersüss
  • Publication number: 20230348705
    Abstract: A composition comprising (A) 18.0 to 60.0 wt.-% of a heterophasic composition (HECO); (B) 7.0 to 55.0 wt.-% of a polypropylene-polyethylene blend (B); (C) 0.0 to 12.0 wt.-% of an HDPE; (D) 2.0 to 12.0 wt.-% of plastomer; and (E) 7.0 to 25.0 wt.-% of talc; wherein the HECO has a Tm of 150 to 159° C., an MFR2 of 20.0 to 120 g/10 min, a CRYSTEX QC crystalline fraction of 79.0 to 91.0 wt.-%, a CRYSTEX QC soluble fraction of 9.0 to 21.0 wt.-%, and an ethylene content of 1.5 to 6.5 mol.-%; blend (B) comprises at least 85.0 wt.-% of polypropylene and at most 15.0 wt.-% of polyethylene and has an MFR2 of 5.0 to 75 g/10 min and an ash content of 0.1 to 3.0 wt.-%; and the plastomer is a C2/C8 or a C2/C4 copolymer having a density of 850 to 900 kg/m3.
    Type: Application
    Filed: August 11, 2021
    Publication date: November 2, 2023
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Hermann Braun, Andreas Rössler-Czermak