Patents Assigned to Borealis AG
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Publication number: 20250145809Abstract: The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B), fraction (A) is present in an amount of 45.0 to 55.0 wt. %, preferably 46.0 to 53.0 wt. %, more preferably 46.5 to 52.0 wt. %, based on the total weight of the base resin, fraction (B) is present in an amount of 55.0 to 45.0 wt. %, preferably 54.0 to 47.0 wt. %, more preferably 53.5 to 48.0 wt. %, based on the total weight of the base resin, the base resin has a density of 945 kg/m3 to 958 kg/m3, more preferably of 947 to 956 kg/m3, and most preferably of 948 kg/m3 to 954 kg/m3, the polyethylene composition has a melt flow rate MFR5 of 0.15 to 0.30 g/10 min, preferably of 0.20 to 0.29 g/10 min, and still more preferably of 0.22 to 0.Type: ApplicationFiled: December 13, 2022Publication date: May 8, 2025Applicants: ABU DHABI POLYMERS CO. LTD (BOROUGE) - SOLE PROPRIETORSHIP L.L.C., BOREALIS AGInventors: Ashish KUMAR, Nisha ANTONY, Senthil Kumar KALIAPPAN
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Patent number: 12290803Abstract: A process for the production of polyolefins comprising: feeding a slurry comprising at least one polymerization catalyst, at least one carrier liquid, first olefin monomer(s) and optionally at least one first comonomer into at least one loop reactor; polymerizing the first olefin monomer(s) and optionally the at least one first comonomer yielding a first polyolefin; withdrawing the first polyolefin from the loop reactor; feeding the first polyolefin to a gas-solids olefin polymerization reactor, wherein the gas-solids olefin polymerization reactor comprises: a top zone; a middle zone, which comprises a top end in direct contact with said top zone and which is located below said top zone, the middle zone having a generally cylindrical shape; and a bottom zone, which is in direct contact with a bottom end of the middle zone and which is located below the middle zone; introducing a fluidization gas stream into the bottom zone of the gas-solids olefin polymerization reactor; polymerizing second olefin monomer(s)Type: GrantFiled: April 6, 2020Date of Patent: May 6, 2025Assignee: BOREALIS AGInventors: Apostolos Krallis, Vasileios Kanellopoulos, Erno Elovainio, Klaus Nyfors, Joana Kettner
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Patent number: 12291594Abstract: Described herein is a process for producing a propylene copolymer in at least a pre-polymerization stage, a first and a second reaction stage connected in series with improved monomer recovery, wherein a product stream, comprising a propylene polymer mixture, unreacted propylene, unreacted ethylene and hydrogen, if present, is separated in a separation unit into a first overhead stream and a first bottom product stream, wherein the desired propylene polymer mixture is recovered from the first bottom product stream. The first overhead stream is at least partially condensed, passed to a distillation column and separated into a second overhead stream and a second bottom product stream.Type: GrantFiled: June 10, 2020Date of Patent: May 6, 2025Assignee: BOREALIS AGInventors: Christoph Dissauer, Stefan Bruckbauer
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Publication number: 20250129190Abstract: A propylene-butene random copolymer composition comprising 98 to 99.99 wt % of a propylene-butene random copolymer based on the total weight of the propylene-butene random copolymer composition, and 0.01 to 1 wt % based on the total weight of propylene-butene random copolymer composition of an alpha nucleating agent, the composition having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range of from 20.0 to below 150.0 g/10 min a butene content in the range of from 4.0 to 8.5 wt % based on the total weight of the propylene-butene random copolymer, and a relative amount of <2,1> erythro regio-defects in the range of from 0.01 to 1.2 mol %, determined by quantitative 13C NMR spectroscopy, as described herein.Type: ApplicationFiled: September 15, 2022Publication date: April 24, 2025Applicant: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Lionel Delaviere, Pascal Wust
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Publication number: 20250129241Abstract: Disclosed is a polyethylene blend of a specific multimodal metallocene catalysed linear low density polyethylene (mLLDPE) and a specific high density polyethylene, produced in a presence of a Ziegler-Natta catalyst (ZN-HDPE), which provides films with well-balanced properties, especially stiffness/impact balance.Type: ApplicationFiled: January 24, 2023Publication date: April 24, 2025Applicant: BOREALIS AGInventors: Jingbo WANG, Friedrich BERGER
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Patent number: 12281189Abstract: Process for producing a polymer composition, a polymer composition obtainable by said process and the use of said polymer composition as adhesive polymer composition and for the production of a multilayer structure, such as a three-layer metal pipe coating, with improved peel strength.Type: GrantFiled: January 27, 2020Date of Patent: April 22, 2025Assignee: BOREALIS AGInventors: John Jamieson, Jari-Jussi Ruskeeniemi, Floran Prades, Noureddine Ajellal, Tua Sundholm, Jouni Purmonen, Angelica Maëlle Delphine Legras, Katja Klimke, Andreas Albrecht
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Patent number: 12281218Abstract: A process for reducing the amount of volatile and semi-volatile organic substances of a polypropylene composition to below 150 ?g/g (VOC, VDA 278 October 2011) and below 350 ?g/g (FOG, VDA 278 October 2011).Type: GrantFiled: October 30, 2019Date of Patent: April 22, 2025Assignee: BOREALIS AGInventors: Girish Suresh Galgali, Luca Boragno, Andreas Fuchs, Jürgen Huber, Stefanie Engleder
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Patent number: 12281220Abstract: The present invention relates to a propylene copolymer composition comprising (A) from 50.0 to 95.0 wt %, based on the total amount of the propylene copolymer composition, of a heterophasic propylene copolymer having a matrix phase and an elastomeric phase dispersed in said matrix phase, wherein the matrix phase is a propylene random copolymer, the heterophasic propylene copolymer further having a melt flow rate MFR2 of 0.2 to 12.0 g/10 min, determined according to ISO 1133 at a temperature of 230° C. and a load of 2.16 kg, and a xylene cold solubles (XCS) fraction in the range of from 20.0 to 50.0 wt % based on the total amount of the heterophasic propylene copolymer (A), determined according to ISO 16152 at a temperature of 25° C., and (B) from 5.0 to 25.Type: GrantFiled: June 15, 2020Date of Patent: April 22, 2025Assignee: BOREALIS AGInventors: Johan Defoer, Marc Knaepen
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Publication number: 20250115748Abstract: Disclosed is a polyethylene blend of a specific multimodal metallocene catalysed linear low density polyethylene (mLLDPE) and a specific low density polyethylene (LDPE), which provides films with well-balanced properties, especially dart drop (impact strength), haze and processability.Type: ApplicationFiled: January 24, 2023Publication date: April 10, 2025Applicant: BOREALIS AGInventors: Jingbo WANG, Friedrich BERGER
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Publication number: 20250115749Abstract: 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: ApplicationFiled: January 24, 2023Publication date: April 10, 2025Applicant: BOREALIS AGInventors: Jingbo WANG, Friedrich BERGER, Matthias HOFF, Stefan POLLHAMMER, Andreas ALBRECHT
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Patent number: 12269939Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO), comprising a matrix being a propylene polymer (PP1), an elastomeric propylene copolymer (EPR) being dispersed in said matrix and a nucleating agent (NU). The polypropylene composition (C) further comprises polymeric fibers (PE). The present invention is also directed to a foamed article comprising the polypropylene composition (C) and the use of polymeric fibers (PE) as an impact modifier for a heterophasic propylene copolymer (HECO).Type: GrantFiled: July 30, 2019Date of Patent: April 8, 2025Assignee: BOREALIS AGInventors: Susanne Kahlen, Daniela Mileva, Georg Grestenberger, Michael Jerabek, Thomas Lummerstorfer
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Patent number: 12264235Abstract: 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: GrantFiled: December 5, 2019Date of Patent: April 1, 2025Assignee: BOREALIS AGInventors: Jingbo Wang, Klaus Bernreitner, Markus Gahleitner, Pauli Leskinen
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Publication number: 20250101213Abstract: Disclosed is a polyethylene blend of a specific multimodal metallocene catalysed linear low density polyethylene (mLLDPE) and a low density polyethylene (LDPE), which provides films with well-balanced properties, especially high dart drop (impact strength), low haze and low sealing initiation temperature.Type: ApplicationFiled: January 24, 2023Publication date: March 27, 2025Applicant: BOREALIS AGInventors: Jingbo WANG, Friedrich BERGER, Jani AHO
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Patent number: 12258429Abstract: 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: May 20, 2020Date of Patent: March 25, 2025Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuss, Stefan Ortner
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Patent number: 12258465Abstract: The present invention relates to a polyethylene composition comprising a base resin having a density of from 952.0 kg/m3 to 960.0 kg/m3, determined according to ISO 1183, wherein the polyethylene composition has a melt flow rate MFR21 (190° C., 21.16 kg), of from 1.0 to 7.5 g/10 min, determined according to ISO 1133, a complex viscosity at a frequency of 0.05 rad/s eta0.05 of from 750 kPa #s to 1900 kPa #s, determined according to ISO 6721-1 and ISO 6721-10, and a white spot rating of not more than 12.0, determined according to ISO 18553, a polyethylene composition obtainable by a multi-stage process, a process for producing said polyethylene composition, an article, such as a pipe or pipe fitting, comprising said polyethylene composition and the use of said polyethylene composition for the production of an article.Type: GrantFiled: October 22, 2019Date of Patent: March 25, 2025Assignee: BOREALIS AGInventors: Yi Liu, Victor Sumerin, Qizheng Dou
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Patent number: 12252605Abstract: Polyolefin (PO) compositions derived from post-consumer recyclate (PCR) PO based materials having well balanced properties with regards to mechanical performance, low crystallization temperature, dimensional stability, and workability.Type: GrantFiled: June 9, 2022Date of Patent: March 18, 2025Assignee: BOREALIS AGInventors: Daniela Mileva, Hermann Braun, Susanne Margarete Kahlen, Gennaro Signorelli, Gisela Lehner, Lionel Delaviere
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Patent number: 12252604Abstract: The present invention relates to a foamed polypropylene composition comprising (A) from 60.0 to 95.0 wt % of a linear propylene homopolymer and (B) from 5.0 to 40.0 wt % of a low density polyethylene, based on the total weight of the polypropylene composition, wherein the polypropylene composition before foaming has a melt flow rate MFR2 of from 0.1 to 5.0 g/10 min, determined according to ISO 1133 at a load of 2.16 kg and a temperature of 230° C., and a F30 melt strength of from 0.1 to 2.0 cN, determined according to ISO 16790:2005, a sheet comprising said foamed polypropylene composition, an article comprising said sheet, a process for producing said sheet and the use of said foamed polypropylene composition or said sheet for producing an article.Type: GrantFiled: December 16, 2020Date of Patent: March 18, 2025Assignees: ABU DHABI POLYMERS CO. LTD. (BOROUGE) L.L.C., Borealis AGInventors: Daniel Van Houcke, Emelito Tenorio
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Patent number: 12240969Abstract: The present invention relates to heterophasic polypropylene compositions comprising a propylene homo- or copolymer forming a crystalline fraction as a matrix and an amorphous propylene ethylene elastomer as a soluble fraction dispersed in said matrix. The heterophasic polypropylene compositions further comprise an elastomeric ethylene/alpha-olefin random copolymer. The heterophasic polypropylene compositions have a well-balanced relation between stiffness and impact strength, low volatile and semi-volatile emissions and good processability.Type: GrantFiled: October 22, 2020Date of Patent: March 4, 2025Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
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Patent number: 12233628Abstract: 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: GrantFiled: September 20, 2019Date of Patent: February 25, 2025Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuss
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Patent number: 12234349Abstract: The invention provides a semiconductive polymer composition comprising (a) a base polymer of ethylene vinyl acetate copolymer, (b) at least 25 wt % carbon black; and (c) at least 1 wt % of an ethylene vinyl acetate wax.Type: GrantFiled: September 14, 2020Date of Patent: February 25, 2025Assignee: Borealis AGInventors: Daniel Nilsson, Niklas Thorn, Annika Smedberg, Fredrik Skogman