Patents by Inventor Markus Gahleitner

Markus Gahleitner 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: 20210340365
    Abstract: The present invention relates to a polypropylene composition, an injection molded article comprising the polypropylene composition, a foamed article comprising the polypropylene composition as well as the use of a polypropylene homopolymer (H-PP1) for reducing the 5stiffness reduction factor of a foamed injection molded article by at least 40 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article and compared to an article comprising the same amount of a polypropylene which has been polymerized in the presence of a Ziegler-Natta catalyst.
    Type: Application
    Filed: October 2, 2019
    Publication date: November 4, 2021
    Inventors: Daniela MILEVA, Susanne KAHLEN, Patrick ROVER, Georg GRESTENBERGER, Jingbo WANG, Klaus BERNREITNER, Markus GAHLEITNER
  • Publication number: 20210332227
    Abstract: The present invention is directed to a polypropylene composition (P) comprising a bimodal copolymer of propylene and 1-hexene prepared in the presence of a metallocene catalyst, said bimodal copolymer having a melt flow rate MFR2 in the range of 4.0 to 20.0 g/10 min. Further, the present invention is directed to a method for preparing the copolymer (C) and an article comprising said polypropylene composition (P).
    Type: Application
    Filed: September 9, 2019
    Publication date: October 28, 2021
    Applicant: BOREALIS AG
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Peter NIEDERSÜSS
  • Publication number: 20210309844
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a plastomer (PL) as well as a process for the preparation of said polypropylene composition and a film obtained from said polypropylene composition (C).
    Type: Application
    Filed: April 20, 2021
    Publication date: October 7, 2021
    Inventors: Markus Gahleitner, Jingbo Wang, Carl-Gustaf Ek, Klaus Bernreitner
  • 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
  • Publication number: 20210253836
    Abstract: The present invention is directed to a heterophasic polypropylene composition having an improved balance of desirable properties, i.e. high stiffness, high toughness, and high transparency. The heterophasic polypropylene composition of the present invention comprises 60.0 to 95.0 wt % of a crystalline propylene homopolymer with a melting temperature Tm1 measured by differential scanning calorimetry of higher than 155° C., 5.0 to 20.0 wt % of an elastomeric ethylene-propylene rubber, and at least one polymeric nucleating agent, wherein the crystalline propylene homopolymer (H-PP) and the elastomeric ethylene-propylene rubber (EPR) have been produced in the presence of a single-site catalyst, wherein the heterophasic polypropylene composition is characterized by a soluble fraction determined in 1,2,4-trichlorobenzene at 40° C. in the range of 5.0 to 20.0 wt %, and wherein the soluble fraction has an ethylene in content in the range of 12.0 to 40.0 wt %.
    Type: Application
    Filed: July 10, 2019
    Publication date: August 19, 2021
    Applicant: BOREALIS AG
    Inventors: Markus GAHLEITNER, Jingbo WANG, Klaus BERNREITNER, Simon SCHWARZENBERGER, Luigi RESCONI
  • Publication number: 20210253838
    Abstract: The present invention relates to a polypropylene based composition comprising:(A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer;(B) from 5.0 to 15.0 wt % of a terpolymer of propylene with ethylene and 1-butene comonomer units having a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/m3 to 900 kg/m3; and(D) from 5.0 to 25.0 wt % of an inorganic filler, wherein the amounts of components (A), (B), (C), and (D) are all based on the total weight amount of the polypropylene based composition, said polypropylene based composition having a melt flow rate (MFR2) as measured at 230° C. and 2.16 kg load in accordance with ISO 1133 in the range of 2.
    Type: Application
    Filed: August 23, 2019
    Publication date: August 19, 2021
    Inventors: Jingbo Wang, Friedrich Berger, Daniela Mileva, Georg Grestenberger, Markus Gahleitner
  • Publication number: 20210253839
    Abstract: The present invention is directed to a heterophasic polypropylene composition with improved sterilization resistance and optical properties for blow molding applications, in particular for use in the blow-fill-seal process for preparing bottles. The present invention is further directed to a process for producing such a polypropylene composition using a single-site catalyst and to a container produced from such a polypropylene composition by blow molding, like a bottle, in particular a blow-fill-seal bottle, with improved haze before and after sterilization. The polypropylene composition comprises a blend of a propylene copolymer comprising 2.5 to 12.0 wt % of 1-hexene as a comonomer, and having a melt flow rate MFR2 of 0.5 to 20.0 g/10 min, and an ethylene homo- or copolymer having a melt flow rate MFR2 of 0.05 to 30.0 g/10 min and a density of 850 to 940 kg/m3, wherein the xylene cold solubles (XCS) content of the polypropylene composition is from 5.0 to 30.0 wt %.
    Type: Application
    Filed: May 7, 2019
    Publication date: August 19, 2021
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Johanna Lilja
  • Publication number: 20210246290
    Abstract: The present invention is directed to a heterophasic polypropylene composition of high transparency based on excellent compatibility of the propylene 1-hexene random copolymer used as matrix with different types of external modifiers dispersed within the matrix. The present invention is further directed to a process for producing such a polypropylene composition and to a film, in particular a cast film, obtained from such a polypropylene composition. The polypropylene composition comprising a blend of a propylene copolymer comprising 2.5 to 12.0 wt % of 1-hexene as a comonomer, and having a melt flow rate MFR2 of 0.1 to 100 g/10 min, and an ethylene homo- or copolymer having a melt flow rate MFR2 of 0.05 to 30.0 g/10 min and a density of 850 to 920 kg/m3, wherein the melt flow rate MFR2 of the polypropylene composition is from 1.0 to 12.0 g/10 min.
    Type: Application
    Filed: May 7, 2019
    Publication date: August 12, 2021
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • 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
  • Patent number: 11084920
    Abstract: The invention relates to a new soft heterophasic propylene copolymer with increased melting temperature, improved stiffness and optical properties, as well as the process by which the heterophasic propylene copolymer is produced. Further the present invention is directed to articles made of the inventive heterophasic propylene copolymer, particularly to blow moulded, extrusion blow moulded or injection moulded articles and their use in e.g. medical, pharmaceutical or alimentary applications.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 10, 2021
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Johanna Lilja
  • Publication number: 20210214527
    Abstract: New polypropylene composition with an optimized or improved balance between mechanical properties, like stiffness and impact strength, and optical properties, especially haze, the use of the polypropylene composition and articles made therefrom.
    Type: Application
    Filed: April 9, 2019
    Publication date: July 15, 2021
    Applicant: BOREALIS AG
    Inventors: Markus GAHLEITNER, Jingbo WANG, Friedrich BERGER, Jani AHO
  • Publication number: 20210214478
    Abstract: New C2C3 random copolymer composition, which shows improved sealing behaviour due to low sealing initiation temperature (SIT) and high hot tack force. In addition, the inventive composition shows an excellent sterilization behaviour, i.e. retention of low haze level after sterilization. The present invention is furthermore related to the manufacture of said copolymer composition and to its use.
    Type: Application
    Filed: June 25, 2019
    Publication date: July 15, 2021
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Publication number: 20210206895
    Abstract: The present invention relates to a process for producing a heterophasic propylene copolymer (RAHECO) having a xylene cold soluble fraction (XCS) determined according to ISO 16152 (25° C.) of more than 30 wt.-%, a heterophasic propylene copolymer (RAHECO) produced by the process as well as an article, preferably a film, a flexible tube or cable insulation, comprising the heterophasic propylene copolymer (RAHECO).
    Type: Application
    Filed: September 24, 2019
    Publication date: July 8, 2021
    Inventors: Pauli Leskinen, Jingbo Wang, Markus Gahleitner
  • Patent number: 11053371
    Abstract: Melt-blown webs having a widened process window and better barrier properties (3rd drop, cm H2O resp. mbar). The melt-blown webs are made from so-called “controlled rheology” propylene (CR-PP), which has been visbroken without the use of peroxide but with a specific type of visbreaking additive.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: July 6, 2021
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Joachim Fiebig, Henk Van Paridon, Markus Gahleitner, Georg Grestenberger, Jeroen Vanhoutte
  • Publication number: 20210179831
    Abstract: The present invention relates to a polypropylene based composition comprising: (A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer; (B) from 5.0 to 15.0 wt % of a random copolymer of propylene with comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms which has been polymerized in the presence of a single-site catalyst system and has a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/m3 to 900 kg/m3; and (D) from 5.0 to 25.
    Type: Application
    Filed: August 23, 2019
    Publication date: June 17, 2021
    Inventors: Jingbo Wang, Klaus Bernreitner, Daniela Mileva, Georg Grestenberger, Markus Gahleitner
  • Publication number: 20210171750
    Abstract: Polypropylene composition comprising a heterophasic polypropylene (HECO) and a bimodal metallocene linear low-density polyethylene (mLLDPE), as well as articles obtained from said polypropylene composition. The present invention is further related to the use of a bimodal metallocene linear low-density polyethylene (mLLDPE) as modifier for heterophasic polypropylenes (HECOs) to improve impact strength and optics.
    Type: Application
    Filed: December 18, 2018
    Publication date: June 10, 2021
    Applicant: BOREALIS AG
    Inventors: Markus GAHLEITNER, Jingbo WANG, Klaus BERNREITNER, Pauli LESKINEN
  • Publication number: 20210163722
    Abstract: The invention provides a polyolefin composition comprising a) 60 to 99 wt % of a polyethylene plastomer, wherein said polyethylene is a copolymer of ethylene and one or more C3-C12 ?-olefins, having a density of less than 904 kg/m3; and b) 1 to 40 wt % of a polypropylene copolymer wax having a melt flow rate (MFR) at 230° C./2.16 kg of more than 400 g/10 min.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 3, 2021
    Inventors: Markus GAHLEITNER, Jingbo WANG, Carl-Gustaf EK, Klaus BERNREITNER, Floran Régis PRADES
  • Patent number: 11015048
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a plastomer (PL) as well as a process for the preparation of said polypropylene composition and a film obtained from said polypropylene composition (C).
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: May 25, 2021
    Assignee: Borealis AG
    Inventors: Markus Gahleitner, Jingbo Wang, Carl-Gustaf Ek, Klaus Bernreitner
  • Patent number: 10995205
    Abstract: The application provides a bimodal polypropylene random copolymer with good response to nucleating agents, increased crystallization temperature, good mechanical and optical properties, as well as low amounts of extractables and good processability in the sense of high Melt Flow Rate. The present invention further relates to articles made thereof, and the use of the bimodal polypropylene random copolymer for specific applications. It also relates to a process for the preparation of said bimodal polypropylene random copolymer.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: May 4, 2021
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Daniela Mileva, Matthias Hoff, Pauli Leskinen
  • Publication number: 20210115235
    Abstract: Heterophasic polyolefin composition having an MFR of 7 to 100 g/10 min and having a Tm(1) of 150° C. or higher comprising a propylene butylene copolymer matrix phase and a rubber phase selected from ethylene/C3-C12 alpha olefin plastomers the composition being obtainable by blending A) 60.0 to 99.0 wt.-% of a propylene butylene copolymer which comprises monomer units derived from a) propylene in an amount of 88-98 wt.-% b) butylenes in an amount of 2-12 wt.-% with respect to the total weight the propylene butylene copolymer B) 1.0-40.0 wt.-% of ethylene/C3-C12 alpha olefin plastomers having a density of less than 904 kg/m3 and optionally a nucleating agent in an amount of less than 0.25 wt.-% with respect to the total of the heterophasic composition.
    Type: Application
    Filed: March 29, 2018
    Publication date: April 22, 2021
    Inventors: Jingbo Wang, Petar Emilov Doshev, Markus Gahleitner, Cornelia Anita Tranninger, Elisabeth Potter, Johanna Lilja