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: 20220017733
    Abstract: The invention is related to polypropylene compositions combining high impact strength with good haze and additionally showing good stress whitening resistance.
    Type: Application
    Filed: October 29, 2019
    Publication date: January 20, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
  • Publication number: 20220017734
    Abstract: New polypropylene composition which combines low sealing initiation temperature (SIT), low overall migration, good mechanical and optical properties, its use and articles made therefrom.
    Type: Application
    Filed: December 5, 2019
    Publication date: January 20, 2022
    Inventors: Jingbo Wang, Klaus Bernreitner, Markus Gahleitner, Pauli Leskinen
  • Publication number: 20210395512
    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: Application
    Filed: November 14, 2019
    Publication date: December 23, 2021
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Matthias HOFF
  • Publication number: 20210395474
    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: Application
    Filed: November 14, 2019
    Publication date: December 23, 2021
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Matthias HOFF
  • Publication number: 20210395427
    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 5.0 to 20.0 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 2.0 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 4.0 to 20.0 wt %; wherein copolymers (A) and (B) are different.
    Type: Application
    Filed: November 14, 2019
    Publication date: December 23, 2021
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Matthias HOFF
  • Publication number: 20210363314
    Abstract: The invention is related to polymer compositions combining high impact strength with good haze and additionally showing good stress whitening resistance.
    Type: Application
    Filed: October 16, 2019
    Publication date: November 25, 2021
    Inventors: Jingbo Wang, Markus Gahleitner, Friedrich Berger, Klaus Bernreitner, Pauli Leskinen
  • Publication number: 20210355307
    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 said polypropylene composition for reducing the stiffness reduction factor of a foamed injection molded article by at least 200 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article.
    Type: Application
    Filed: October 2, 2019
    Publication date: November 18, 2021
    Inventors: Daniela Mileva, Susanne Kahlen, Patrick Rover, Georg Grestenberger, Jingbo Wang, Klaus Bernreitner, Markus Gahleitner
  • Publication number: 20210355308
    Abstract: The present invention is directed to a polyolefin composition comprising a blend of a heterophasic polypropylene composition and 5.0 to 30.0 wt % of an ethylene homo- or copolymer, the ethylene homo- or copolymer having a density of at least 941 kg/m3 and a melt flow rate MFR21 of 1 to 10 g/10 min. The heterophasic polypropylene composition comprises a propylene homopolymer or a propylene ethylene random copolymer and an elastomeric ethylene propylene rubber, and is characterized by 75.0 to 95.0 wt % of a crystalline fraction having an ethylene content of up to 4.0 wt % and an MFR2 of 0.1 to 100 g/10 min, and 5.0 to 25.0 wt % of a soluble fraction having an ethylene content of 10.0 to 70.0 wt % and an intrinsic viscosity of 1.0 to 4.0 dl/kg, wherein the crystalline fraction and the soluble fraction are determined in 1,2,4-trichlorobenzene at 40° C.
    Type: Application
    Filed: October 24, 2019
    Publication date: November 18, 2021
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Yi Liu
  • Publication number: 20210347971
    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: Application
    Filed: September 9, 2019
    Publication date: November 11, 2021
    Applicant: BOREALIS AG
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Peter NIEDERSÜSS
  • Publication number: 20210347155
    Abstract: Multilayer film of at least three layers, one core layer and at least one sealing layer wherein 5 the sealing layer comprises a linear low density polyethylene having a density in the range of 0.915 to 0.925 g/cm3, and the core layer comprises a propylene 1-hexene copolymer, said copolymer has an 1-hexene content in the range of 4.5 to 8.0 wt.-% and a xylene soluble fraction of more than 10.0 wt.-%.
    Type: Application
    Filed: September 19, 2019
    Publication date: November 11, 2021
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersüss
  • Publication number: 20210339509
    Abstract: Multilayer film of at least three layers, one core layer and at least one sealing layer wherein the sealing layer comprises a linear low density polyethylene having a density in the range of 0.915 to 0.925 g/cm3, and the core layer comprises a propylene 1-hexene copolymer, said copolymer has an 1-hexene content in the range of 2.0 to 5.0 wt.-% and a xylene soluble fraction in the range of 0.3 to 15.0 wt.-%.
    Type: Application
    Filed: September 20, 2019
    Publication date: November 4, 2021
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Peter NIEDERSÜSS
  • 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
  • Publication number: 20210277290
    Abstract: The present application relates to an adhesive composition comprising a polypropylene resin, a tackifying resin and a plasticizer resin having a superior balance of properties in regard of Brookfield viscosity and maximum probe tack. It further relates to an article comprising the adhesive composition and to a process for producing said article. The application also relates to the use of the adhesive composition in the preparation of an article.
    Type: Application
    Filed: August 5, 2018
    Publication date: September 9, 2021
    Inventors: Jingbo Wang, Carl-Gustaf Ek, Klaus Bernreitner, Jose Miguel Martin-Martinez, Alfonso Delucas-Freile, Monica Fuensanta-Soriano
  • Publication number: 20210261764
    Abstract: The present application relates to a composition comprising a polypropylene resin, which comprises a multimodal propylene random copolymer (R-PP) with a melt flow rate MFR of at least 50 g/10 min and a propylene copolymer (PC), which is different from the multimodal propylene random copolymer (R-PP), and a tackifying resin.
    Type: Application
    Filed: August 5, 2019
    Publication date: August 26, 2021
    Inventors: Jingbo Wang, Carl-Gustaf Ek, Klaus Bernreitner, Jose Miguel Martin-Martinez, Alfonso Delucas-Freile, Monica Fuensanta-Soriano
  • 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: 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
  • Patent number: 11091617
    Abstract: The present invention relates to a polymer composition, to a use of the polymer composition for producing an article, to an article comprising the polymer composition, preferably to an article which comprises a layer element comprising at least one layer which comprises the polymer composition.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: August 17, 2021
    Assignee: BOREALIS AG
    Inventors: Klaus Bernreitner, Martina Sandholzer, Stefan Hellstrom, Bert Broeders
  • 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