Patents Assigned to Borealis AG
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Patent number: 11746224Abstract: 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: GrantFiled: May 7, 2019Date of Patent: September 5, 2023Assignee: BOREALIS AGInventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Johanna Lilja
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Patent number: 11746223Abstract: The invention relates to a process for producing a polypropylene composition by sequential polymerization the polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties.Type: GrantFiled: January 25, 2022Date of Patent: September 5, 2023Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter, Jani Aho, Klaus Bernreitner, Luc Monnissen, Meta Cigon
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Patent number: 11739202Abstract: The present invention relates to bimodal polypropylene random copolymers comprising ethylene as comonomer and articles made thereof, having an improved resistance against ?-irradiation and are especially suitable for application in the medical, pharmaceutical or diagnostic field.Type: GrantFiled: April 9, 2019Date of Patent: August 29, 2023Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
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Publication number: 20230265270Abstract: The present invention relates to a new BOPP film for use in a capacitor film, a new polypropylene homopolymer and a process for manufacturing the polypropylene homopolymer.Type: ApplicationFiled: May 21, 2021Publication date: August 24, 2023Applicant: Borealis AGInventors: Alexander REZNICHENKO, Hans KERKHOFS, Kristof WEHENKEL, Werner VERWIMP, Dietrich GLOGER
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Patent number: 11708425Abstract: Described herein is a polymerization reactor system comprising at least one loop reactor and/or at least one transfer line, and further comprising at least one withdrawal valve, wherein the at least one withdrawal valve is mounted to a wall of a lower horizontal segment of the loop reactor and/or to a wall of the transfer line, at an angle a of more than 0° and equal to or less than 85°, determined from perpendicular to a tangent of the wall at the mounting position in flow direction of a slurry in the loop reactor and/or in the transfer line.Type: GrantFiled: November 2, 2018Date of Patent: July 25, 2023Assignee: BOREALIS AGInventors: Christof Wurnitsch, Sameer Vijay, Erno Elovainio
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Patent number: 11708432Abstract: The invention relates to a polymer composition comprising a polyethylene and a crosslinking agent, characterized in that the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.88, when measured prior to crosslinking according to method ASTM D6248-98; and in that the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z?Z2, wherein Z2 is 0.30, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.Type: GrantFiled: December 18, 2018Date of Patent: July 25, 2023Assignee: Borealis AGInventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
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Patent number: 11708431Abstract: The invention relates to a polymer composition comprising a polyethylene and a crosslinking agent, wherein the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.88, when measured prior to crosslinking according to method ASTM D624898; and wherein the crosslinking agent is present in an amount which Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z?Z2, wherein Z2 is 0.60, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.Type: GrantFiled: December 18, 2018Date of Patent: July 25, 2023Assignee: BOREALIS AGInventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
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Patent number: 11702487Abstract: The present invention relates to a process for producing a propylene polymer, such as a propylene homopolymer, a propylene-ethylene random copolymer or a heterophasic propylene copolymer 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: GrantFiled: May 7, 2019Date of Patent: July 18, 2023Assignee: BOREALIS AGInventors: Noureddine Ajellal, Ville Virkkunen
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Publication number: 20230212338Abstract: Blown films, especially monolayer blown films, with an improved property profile, the blown films comprising at least 95.0 wt% of a specific heterophasic propylene copolymer (TERHECO).Type: ApplicationFiled: April 9, 2021Publication date: July 6, 2023Applicant: Borealis AGInventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Peter NIEDERSUESS, Stefan ORTNER
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Patent number: 11688529Abstract: The present invention relates to a semi-conductive polymer composition, the present invention provides a semi-conductive polymer composition comprising an ethylene copolymer comprising polar co-monomer units; an olefin homo- or copolymer; and a conductive filler; wherein the olefin homo- or copolymer has a degree of crystallinity below 20%. The invention also relates to a wire or cable comprising said semi-conductive polymer composition, and to the use of said composition for the production of a layer, preferably a semi-conducting shield layer of a wire or cable.Type: GrantFiled: January 31, 2013Date of Patent: June 27, 2023Assignee: BOREALIS AGInventors: Muhammad Ali Malik, Christer Svanberg, Thomas Gkourmpis, Takashi Uematsu, Roger Carlsson, Niklas Thorn, Jenny-Ann Ostlund
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Patent number: 11685840Abstract: The present invention provides a polyolefin composition, said composition comprising a terpolymer comprising a cross-linkable polyolefin comprising hydrolysable silane groups and a polar comonomer, the polyolefin composition further comprising a cross-linking catalyst and a silicon containing compound. The polar comonomer Is present in an amount of 5-35 wt %.Type: GrantFiled: October 11, 2018Date of Patent: June 27, 2023Assignee: BOREALIS AGInventors: Jeroen Oderkerk, Jari-Jussi Ruskeeniemi, Oscar Prieto, Stefan Hellström, Tanja Piel, Daniela Mileva
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Patent number: 11685825Abstract: The present invention relates to a cable jacket composition comprising a multimodal olefin copolymer, said copolymer having density of 0.935-0.960 g/cm3 and MFR2 of 2.2-10.0 g/10 min and said composition having ESCR of at least 2000 hours and a cable shrinkage of 0.70% or lower. The invention further relates to the process for preparing said composition and its use as outer jacket layer for a cable, preferably a communication cable, most preferably a fiber optic cable.Type: GrantFiled: April 6, 2018Date of Patent: June 27, 2023Assignee: Borealis AGInventors: Anna Hjärtfors, Yi Liu, Joseph Thorman, Victor Sumerin
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Patent number: 11685826Abstract: The present invention relates to an ethylene polymer composition comprising: (A) an ethylene polymer comprising epoxy-groups, and (B) a cross-linking agent comprising: (B1) an organo-metallic Lewis acid, and at least one of: (B2) a compound comprising at least one amino group; and (B3) a compound comprising at least one hydroxyl group.Type: GrantFiled: October 25, 2018Date of Patent: June 27, 2023Assignee: BOREALIS AGInventors: Oscar Prieto, Massimiliano Mauri, Christian Müller
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Patent number: 11680114Abstract: A process for the preparation of an ultra-high molecular weight ethylene homopolymer having a MFR21 of 0.01 g/10 min or less, said process comprising: (I) prepolymerising at least ethylene at a temperature of 0 to 90° C. in the presence of a heterogeneous Ziegler Natta catalyst to prepare an ethylene prepolymer having an Mw of 40,000 to 600,000 g/mol; and thereafter in the presence of the prepolymer and said catalyst; (II) polymerising ethylene at a temperature of 55° C. or less, such as 20 to 55° C., to prepare said UHMW ethylene homopolymer; wherein the UHMW ethylene homopolymer comprises up to 8 wt. % of said prepolymer.Type: GrantFiled: July 18, 2019Date of Patent: June 20, 2023Assignee: BOREALIS AGInventors: Irfan Saeed, Esa Kokko, Mika Salo, Sanjay Rastogi, Dario Romano, Sara Ronca
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Patent number: 11680118Abstract: 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: GrantFiled: June 25, 2019Date of Patent: June 20, 2023Assignee: Borealis AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
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Patent number: 11674017Abstract: The invention relates to a cable comprising layer(s), which layer(s) is/are obtained from a polymer composition comprising a polyethylene, a crosslinking agent and antioxidant(s), characterized in that the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.12, when measured prior to crosslinking according to method ASTM D6248-98, the crosslinking agent is present in an amount which is Z wt %, prior to crosslinking, based on the total amount (100 wt %) of the polymer composition, and Z1?Z?Z2, wherein Z1 is 0.005 and Z2 is 2.0, and that the antioxidant(s) is/are nitrogen containing antioxidant(s) being present in an amount which is W wt %, prior to crosslinking, based on the total amount (100 wt %) of the polymer composition, and W1?W?W2, wherein W1 is 0.005 and W2 is 1.0, the cable, e.g.Type: GrantFiled: December 18, 2018Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
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Patent number: 11674027Abstract: A polyethylene-polypropylene composition obtainable by blending a) 80 to 97 wt.-% of a blend (A) comprising A-1) polypropylene and A-2) polyethylene, wherein the ratio of polypropylene to polyethylene is from 3:7 to 13:7, and wherein blend (A) is a recycled material, which is recovered from a waste plastic material derived from post-consumer and/or post-industrial waste; and b) 3 to 20 wt.-% of a compatibilizer (B) being a heterophasic random copolymer comprising a random polypropylene copolymer matrix phase and an elastomer phase dispersed therein, whereby the heterophasic random copolymer has—a xylene insolubles content (XCI) of from 65 to 88 wt.-% (ISO 16152, led, 25° C.), and—a xylene soluble content XCS of 12 to 35 wt.-% (ISO 16152, led, 25° C.), the XCS fraction having an intrinsic viscosity (measured in decalin according to DIN ISO 1628/1 at 135° C.) of 1.2 dl/g to less than 3.0 dl/g, and—a flexural modulus of from 300 to 600 MPa (ISO 178, measured on injection moulded specimens, 23° C.Type: GrantFiled: October 2, 2019Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Susanne Kahlen, Michael Jerabek
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Patent number: 11674025Abstract: The present invention relates to a new composite comprising glass or carbon fibers and polymer-based fibers as well as to a process for the preparation of the composite and molded articles made from said composite.Type: GrantFiled: May 5, 2020Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Thomas Lummerstorfer, Michael Jerabek, Stefan Hochradi, Claudia Pretschuh, Karoly Renner, Lukas Sobczak, Wolfgang Stockreiter, Bela Pukanszky, Janos Moczo
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Patent number: 11674016Abstract: The invention relates to a polymer composition comprising a polyethylene, a crosslinking agent and antioxidant(s), wherein the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.12, when measured prior to crosslinking according to method ASTM D6248-98, the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z1?Z?Z2, wherein Z1 is 0.005 and Z2 is 2.0, and the antioxidant(s) is/are nitrogen containing antioxidant(s) being present in an amount which is W wt %, based on the total amount (100 wt %) of the polymer composition, and W1?W?W2, wherein W1 is 0.005 and W2 is 1.0, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.Type: GrantFiled: December 18, 2018Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
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Patent number: 11668033Abstract: High quality melt-blown webs having improved barrier properties (3rd drop, cm H2O resp. mbar) and a widened process window. The melt-blown webs show a specific chain structure.Type: GrantFiled: June 8, 2017Date of Patent: June 6, 2023Assignee: BOREALIS AGInventors: Lisa Maria Steiner, Gerhard Hubner, Jingbo Wang, Markus Gahleitner, Georg Grestenberger, Joachim Fiebig