Patents by Inventor Matthias Hoff

Matthias Hoff 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: 20250115749
    Abstract: Disclosed is a polyethylene blend of a specific multimodal metallocene catalysed linear low density polyethylene (mLLDPE) and a specific branched metallocene catalysed polyethylene copolymer (mPE), which provides films with well-balanced properties, especially dart drop (impact strength) and haze.
    Type: Application
    Filed: January 24, 2023
    Publication date: April 10, 2025
    Applicant: BOREALIS AG
    Inventors: Jingbo WANG, Friedrich BERGER, Matthias HOFF, Stefan POLLHAMMER, Andreas ALBRECHT
  • Publication number: 20240317901
    Abstract: The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step ethylene, optionally in the presence of at least one other alpha olefin comonomer, in the presence of a polymerisation catalyst so as to form a first polymer component (A); and b) polymerising in a second polymerisation step in gas phase a predetermined monomer mixture comprising ethylene and 1-hexene, optionally in the presence of at least one other alpha olefin comonomer, in the presence of the first polymer component (A) of step a), so as to form a second polymer component (B), wherein the multimodal polyethylene polymer produced by the present process comprises 1-hexene comonomer and at least one further C4-10-comonomer, and wherein the predetermined monomer mixture comprising ethylene and 1-hexene is fed into the second polymerisation step from the beginning of its start up.
    Type: Application
    Filed: June 23, 2022
    Publication date: September 26, 2024
    Inventors: Victor SUMERIN, Vasileios KANELLOPOULOS, Jani AHO, Matthias HOFF, Joana Elvira KETTNER, Irfan SAEED, Kalle KALLIO, Apostolos KRALLIS
  • Publication number: 20240301104
    Abstract: The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, comprising a) polymerising in a first polymerisation step first olefin monomer, optionally in the presence of at least one other alpha olefin monomer, in the presence of a polymerisation catalyst so as to form a first polymer component (A), and b) polymerising in a second polymerisation step in gas phase second olefin monomer, optionally in the presence of at least one other alpha olefin comonomer, in the presence of the first polymer component (A) of step a) and an induced swelling agent, so as to for a second polymer component (B), wherein the first polymer component (A) and the second polymer component (B) are produced at production rates meeting a predetermined target weight ratio of the second polymer component (B) to the first polymer component (A), the process comprising the steps of: i) determining a first weight ratio of the second polymer component (B) to the first polymer component (A)
    Type: Application
    Filed: June 23, 2022
    Publication date: September 12, 2024
    Inventors: Matthias HOFF, Joana Elvira KETTNER, Vasileios KANELLOPOULOS, Victor SUMERIN, Jani AHO, Apostolos KRALLIS, Kalle KALLIO, Irfan SAEED, Erno ELOVAINIO
  • Publication number: 20240294681
    Abstract: The disclosure relates to a process for polymerising olefins in multi stage polymerisation process configuration, the process comprising a) polymerising in a first polymerisation step first olefin monomer, optionally in the presence of at least one other alpha olefin comonomer, in the presence of a metallocene polymerisation catalyst so as to form a first polymer component (A); and b) transferring the first polymer component (A) into a separation unit to remove low molecule penetrants and to obtain separated solid polyolefin particles of the first polymer component (A*) and c) polymerising in in gas phase in a second polymerisation step second olefin monomer, optionally in the presence of at least one other alpha olefin comonomer in the presence of the separated solid polyolefin particles (A*) of step b), so as to form a second polymer component (B).
    Type: Application
    Filed: June 23, 2022
    Publication date: September 5, 2024
    Inventors: Vasileios KANELLOPOULOS, Joana Elvira KETTNER, Matthias HOFF, Apostolos KRALLIS, Victor SUMERIN, Jani AHO, Kalle KALLIO, Irfan SAEED, Erno ELOVAINIO
  • Publication number: 20240287224
    Abstract: The present disclosure relates to a metallocene-catalysed multimodal polyethylene copolymer, and to use of the multimodal copolymer of ethylene in film applications, and to a film including a polymer composition of the disclosure.
    Type: Application
    Filed: June 23, 2022
    Publication date: August 29, 2024
    Applicant: BOREALIS AG
    Inventors: Qizheng DOU, Friedrich BERGER, Matthias HOFF
  • Patent number: 11999813
    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: Grant
    Filed: November 14, 2019
    Date of Patent: June 4, 2024
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Matthias Hoff
  • 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: 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: 20240002560
    Abstract: The invention provides a process for the preparation of a multimodal ethylene polymer in a multistage process in the presence of a catalyst comprising a complex of formula (lx) wherein each X is a sigma donor ligand; each Het is independently a monocyclic or multicyclic heteroaromatic or heterocyclic group containing at least one heteroatom selected from O, N or S; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each R1 is the same or different and is a linear CMO alkyl group, or linear CHO alkoxy, each n is 0 to 3; each R2 is the same or different and is a C1-10 alkyl group, C1-10 alkoxy group or —Si(R)3 group; each R is the same or different and is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; and eachp is 0 to 3;
    Type: Application
    Filed: July 23, 2021
    Publication date: January 4, 2024
    Inventors: Georgy KIPIANI, Jyrki KAUHANEN, Felice DE SANTIS, Marja MUSTONEN, Matthias HOFF, Kalin SIMEONOV, Kimmo HAKALA, Jarkko HASSINEN, Maria RANIERI, Esko SAIKKONEN, Tiina HÄMÄLÄINEN, Stefan POLLHAMMER, Pascal CASTRO, Irfan SAEED, Kalle KALLIO
  • Publication number: 20230227637
    Abstract: The present invention relates to a new multimodal ethylene copolymer (P), to the use of the copolymer in film applications and to a film comprising the copolymer of the invention.
    Type: Application
    Filed: July 23, 2021
    Publication date: July 20, 2023
    Inventors: Felice DE SANTIS, Matthias HOFF, Kalin SIMEONOV, Davide TRANCHIDA, Martin NEUHEIMER, Stefan POLLHAMMER
  • Publication number: 20230060604
    Abstract: Blown films, especially monolayer blown films, of high stiffness, the blown films comprising at least 95.0 wt % of a specific propylene-1-butene random copolymer.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 2, 2023
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Matthias Hoff
  • Publication number: 20220348750
    Abstract: The invention is directed to a beta nucleated heterophasic propylene copolymer composition (HPPC).
    Type: Application
    Filed: April 25, 2022
    Publication date: November 3, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Matthias Hoff, Wilfried Töltsch
  • 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: 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: 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
  • 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: 20210017368
    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: Application
    Filed: April 9, 2019
    Publication date: January 21, 2021
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Daniela Mileva, Matthias Hoff, Pauli Leskinen
  • Publication number: 20210002397
    Abstract: The present invention relates to a process for producing a copolymer of propylene, optionally ethylene, and at least one comonomer selected from alpha olefins having from 4 to 12 carbon atoms using a specific class of metallocene complexes in combination with a cocatalyst system comprising a boron containing cocatalyst and an aluminoxane cocatalyst, preferably in a multistage polymerization process including a gas phase polymerization step.
    Type: Application
    Filed: May 7, 2019
    Publication date: January 7, 2021
    Inventors: Matthias Hoff, Luigi Resconi, Simon Schwarzenberger, Wilfried Töltsch
  • Patent number: 10660594
    Abstract: An examination and/or treatment device includes a multi-axis robot having an articulated arm that can be moved in space as well as leads received in a flexible cladding tube and guided to one or more examination or treatment devices arranged on the articulated arm or a support arranged thereon. In an embodiment, on the articulated arm is provided a carriage arrangement including a carriage, having at least one deflection roller and that can be linearly displaced against at least one restoring element that builds up a restoring force. The cladding tube or a guide tube surrounding the cladding tube is guided around the deflection roller.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: May 26, 2020
    Assignee: SIEMENS HEALTHCARE GMBH
    Inventors: Berthold Baumann, Robert Divoky, Franz Fadler, Stefan Gross, Norbert Herrmann, Matthias Hoff, Michael Ott, Volker Rose
  • Patent number: 10487203
    Abstract: The invention relates to a polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), thus having a broad sealing window.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: November 26, 2019
    Assignee: Borealis AG
    Inventors: Luca Boragno, Pauli Leskinen, Luigi Resconi, Matthias Hoff, Friedrich Berger