Patents by Inventor Pauli Leskinen

Pauli Leskinen 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: 11230638
    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: Grant
    Filed: May 7, 2019
    Date of Patent: January 25, 2022
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • 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: 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: 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: 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: 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: 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: 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: 20210317242
    Abstract: The present invention relates to a process for producing a prepolymerized solid Ziegler-Natta catalyst in batch mode, a prepolymerized solid Ziegler-Natta catalyst, a process for producing a propylene polymer using said prepolymerized solid Ziegler-Natta catalyst, a prepolymerized solid Ziegler-Natta catalyst obtained by a process as well as the use of the prepolymerized solid Ziegler-Natta catalyst in a process for producing a propylene polymer.
    Type: Application
    Filed: September 20, 2019
    Publication date: October 14, 2021
    Inventors: Torvald Vestberg, Markku Vahteri, Anna Fait, Pauli Leskinen, Jingbo Wang
  • 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: 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: 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: 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
  • 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
  • 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