GB1580635A - Process for preparing -olefin polymers or copolymers - Google Patents
Process for preparing -olefin polymers or copolymers Download PDFInfo
- Publication number
- GB1580635A GB1580635A GB36398/77A GB3639877A GB1580635A GB 1580635 A GB1580635 A GB 1580635A GB 36398/77 A GB36398/77 A GB 36398/77A GB 3639877 A GB3639877 A GB 3639877A GB 1580635 A GB1580635 A GB 1580635A
- Authority
- GB
- United Kingdom
- Prior art keywords
- titanium
- magnesium
- polymerization
- compound
- mole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10431276A JPS5330681A (en) | 1976-09-02 | 1976-09-02 | Preparation of polyalpha-olefin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1580635A true GB1580635A (en) | 1980-12-03 |
Family
ID=14377399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB36398/77A Expired GB1580635A (en) | 1976-09-02 | 1977-08-31 | Process for preparing -olefin polymers or copolymers |
Country Status (16)
Cited By (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5922907A (ja) * | 1982-06-24 | 1984-02-06 | ベペ・シミイ・ソシエテ・アノニム | α―オレフィンの重合および共重合用触媒担体及びその製造方法 |
| EP0114391A1 (en) * | 1982-12-28 | 1984-08-01 | Sumitomo Chemical Company, Limited | Flexible propylene polymer |
| US4487846A (en) * | 1982-06-24 | 1984-12-11 | Bp Chimie Society Anonyme | Process for the preparation of catalyst supports for the polymerization of alpha-olefins and the supports obtained |
| US4497904A (en) * | 1982-06-24 | 1985-02-05 | Bp Chimie Societe Anonyme | Catalysts for the polymerization and copolymerization of ethylene and polymerization processes using these catalysts |
| US4511703A (en) * | 1982-06-24 | 1985-04-16 | Bp Chimie Societe Anonyme | Catalysts for the polymerization and copolymerization of propylene and polymerization processes using these catalysts |
| US4659792A (en) * | 1983-05-11 | 1987-04-21 | Mitsui Petrochemical Industries, Ltd. | Process for production of 4-methyl-1-pentene polymer or copolymer |
| US4767735A (en) * | 1987-02-02 | 1988-08-30 | Cosden Technology, Inc. | Catalyst pretreatment process |
| EP2223943A1 (en) | 2009-02-25 | 2010-09-01 | Borealis AG | Multimodal polymer of propylene, composition containing the same and a process for manufacturing the same |
| EP2452960A1 (en) | 2010-11-12 | 2012-05-16 | Borealis AG | Process for preparing propylene polymers with an ultra high melt flow rate |
| EP2452959A1 (en) | 2010-11-12 | 2012-05-16 | Borealis AG | Process for producing propylene random copolymers and their use |
| EP2452957A1 (en) | 2010-11-12 | 2012-05-16 | Borealis AG | Improved process for producing heterophasic propylene copolymers |
| WO2013092342A1 (en) | 2011-12-19 | 2013-06-27 | Borealis Ag | Loop reactor providing an advanced production split control |
| EP2719725A1 (en) | 2012-10-11 | 2014-04-16 | Abu Dhabi Polymers Company Limited (Borouge) | Nucleated polypropylene composition for containers |
| EP2749580A1 (en) | 2012-12-28 | 2014-07-02 | Borealis AG | Process for producing copolymers of propylene |
| EP2796472A1 (en) | 2013-04-22 | 2014-10-29 | Borealis AG | Two-stage process for producing polypropylene compositions |
| EP2796473A1 (en) | 2013-04-22 | 2014-10-29 | Borealis AG | Multistage process for producing low-temperature resistant polypropylene compositions |
| EP2796474A1 (en) | 2013-04-22 | 2014-10-29 | Borealis AG | Multistage process for producing polypropylene compositions |
| EP2796501A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Multimodal polypropylene composition for pipe applications |
| EP2796498A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Multimodal polypropylene composition for pipe applications |
| EP2796500A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Propylene random copolymer composition for pipe applications |
| EP2796502A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Propylene random copolymer composition for pipe applications |
| EP2796499A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Polypropylene composition with improved impact resistance for pipe applications |
| EP2853562A1 (en) | 2013-09-27 | 2015-04-01 | Borealis AG | Two-stage process for producing polypropylene compositions |
| EP3103818A1 (en) | 2015-06-12 | 2016-12-14 | Borealis AG | Method and apparatus for polymerising olefins in gas phase |
| US9539556B2 (en) | 2014-02-28 | 2017-01-10 | Borealis Ag | Process for polymerizing olefins in a fluidized bed |
| EP3184167A1 (en) | 2015-12-22 | 2017-06-28 | Borealis AG | A method for returning polymer to a fluidised bed reactor |
| EP3184166A1 (en) | 2015-12-22 | 2017-06-28 | Borealis AG | A method for withdrawing agglomerates from a fluidised bed reactor |
| US9790290B2 (en) | 2014-02-28 | 2017-10-17 | Borealis Ag | Gas phase polymerization process |
| EP3418309A1 (en) | 2017-06-20 | 2018-12-26 | Borealis AG | A method, an arrangement and use of an arrangement of preparing polymer |
| EP3418310A1 (en) | 2017-06-23 | 2018-12-26 | Borealis AG | Process and apparatus for removing polymer material from a gas-solids olefin polymerization reactor |
| EP3418308A1 (en) | 2017-06-20 | 2018-12-26 | Borealis AG | A method, an arrangement and use of an arrangement for olefin polymerisation |
| WO2019002268A1 (en) | 2017-06-27 | 2019-01-03 | Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. | POLYPROPYLENE COMPOSITION FOR THE PRODUCTION OF HIGH PRESSURE PIPES |
| EP3486261A1 (en) | 2017-11-17 | 2019-05-22 | Borealis AG | Method for improving the cooling capacity of a gas solids olefin polymerization reactor |
| EP3486260A1 (en) | 2017-11-17 | 2019-05-22 | Borealis AG | Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor |
| EP3567061A1 (en) | 2018-05-09 | 2019-11-13 | Borealis AG | Polypropylene pipe composition |
| WO2019238428A1 (en) | 2018-06-14 | 2019-12-19 | Borealis Ag | Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity |
| WO2020025757A1 (en) | 2018-08-02 | 2020-02-06 | Borealis Ag | Process for polymerizing ethylene in a multi-stage polymerization process |
| WO2020244834A1 (en) | 2019-06-04 | 2020-12-10 | Borealis Ag | Process and reactor assembly for the enhancement of hydrodynamics in a gas-solids fluidized bed reactor |
| EP3868793A1 (en) | 2020-02-24 | 2021-08-25 | Borealis AG | Process for producing alpha-olefin polymers in a multistage polymerization process |
| EP4257640A1 (en) | 2022-04-04 | 2023-10-11 | Borealis AG | Pipe comprising a polypropylene composition |
| EP4389820A1 (en) | 2022-12-21 | 2024-06-26 | Borealis AG | Polypropylene random copolymer compositions with improved impact resistance for pipe applications |
| EP4570856A1 (en) | 2023-12-14 | 2025-06-18 | Borealis AG | Polypropylene random copolymer compositions with improved impact resistance for pipe applications |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53118488A (en) * | 1977-03-25 | 1978-10-16 | Nippon Oil Co Ltd | Production of polyolefin |
| JPS53124592A (en) * | 1977-04-07 | 1978-10-31 | Nippon Oil Co Ltd | Preparation of polyolefin |
| FR2424760A1 (fr) * | 1978-05-05 | 1979-11-30 | Charbonnages Ste Chimique | Catalyseurs comprenant du magnesium et un metal de transition |
| JPS5534238A (en) * | 1978-08-31 | 1980-03-10 | Chisso Corp | Preparation of alpha-olefin polymer |
| JPS588686B2 (ja) * | 1978-12-01 | 1983-02-17 | チッソ株式会社 | α↓−オレフイン重合体の製造方法 |
| JPS603324B2 (ja) * | 1978-12-28 | 1985-01-28 | 三井化学株式会社 | エチレン共重合体の製造方法 |
| JPS55123607A (en) * | 1979-03-14 | 1980-09-24 | Mitsui Petrochem Ind Ltd | Preparation of poly-1-butene |
| NL7902534A (nl) * | 1979-04-01 | 1980-10-03 | Stamicarbon | Werkwijze voor het polymeriseren van alkenen-1. |
| JPS55135105A (en) * | 1979-04-10 | 1980-10-21 | Mitsui Petrochem Ind Ltd | Titanium catalyst component for olefin polymerization |
| CA1128916A (en) * | 1979-06-12 | 1982-08-03 | Ronald L. Gibbs | Magnesium containing support, catalyst and process for polymerizing olefins |
| JPS5634709A (en) * | 1979-08-31 | 1981-04-07 | Mitsui Petrochem Ind Ltd | Gas phase polymerization or copolymerization of olefin |
| JPS5641207A (en) * | 1979-09-14 | 1981-04-17 | Idemitsu Kosan Co Ltd | Preparation of polyethylene |
| DE3068230D1 (en) * | 1979-10-12 | 1984-07-19 | Bp Chem Int Ltd | Polymerisation catalyst and process |
| JPS56129206A (en) * | 1980-03-14 | 1981-10-09 | Chisso Corp | Production of alpha-olefin polymer |
| JPS56133303A (en) * | 1980-03-22 | 1981-10-19 | Chisso Corp | Production of alpha-olefin polymer |
| JPS5774307A (en) * | 1980-10-29 | 1982-05-10 | Mitsui Petrochem Ind Ltd | Polymerizing of alpha-olefin |
| JPS57153005A (en) * | 1981-03-19 | 1982-09-21 | Ube Ind Ltd | Polymerization of alpha-olefin |
| US4491652A (en) * | 1981-05-13 | 1985-01-01 | Uniroyal, Inc. | Sequentially prepared thermoplastic elastomer and method of preparing same |
| JPS58120610A (ja) * | 1982-01-12 | 1983-07-18 | Mitsui Toatsu Chem Inc | 透明性を改良したポリプロピレンの製造方法 |
| JPS59206424A (ja) * | 1983-05-11 | 1984-11-22 | Mitsui Petrochem Ind Ltd | プロピレン共重合体組成物の製造方法 |
| JPS59206407A (ja) * | 1983-05-11 | 1984-11-22 | Mitsui Petrochem Ind Ltd | オレフインの重合方法 |
| JPS60118703A (ja) * | 1983-11-30 | 1985-06-26 | Mitsui Toatsu Chem Inc | プロピレンの重合方法 |
| JPS60156704A (ja) * | 1984-01-25 | 1985-08-16 | Idemitsu Petrochem Co Ltd | α−オレフインの連続重合方法 |
| JPS6152118A (ja) * | 1984-08-21 | 1986-03-14 | 三菱電機株式会社 | 電源装置 |
| JPS61151208A (ja) * | 1984-12-26 | 1986-07-09 | Toa Nenryo Kogyo Kk | ブテン−１の重合方法 |
| ATE201216T1 (de) * | 1987-02-02 | 2001-06-15 | Fina Technology | Verfahren zur verbesserung der effektivität eines prepolymerisierten katalysators |
| JPH0784488B2 (ja) * | 1987-03-23 | 1995-09-13 | 出光石油化学株式会社 | オレフイン重合体の製造方法 |
| JPH0822888B2 (ja) * | 1987-03-23 | 1996-03-06 | 出光石油化学株式会社 | オレフイン重合体の製造方法 |
| TW248565B (enrdf_load_stackoverflow) | 1991-08-14 | 1995-06-01 | Mitsui Petroleum Chemicals Industry Co |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2100325A5 (enrdf_load_stackoverflow) * | 1970-07-08 | 1972-03-17 | Montedison Spa | |
| JPS5152487A (ja) * | 1974-11-01 | 1976-05-10 | Mitsui Toatsu Chemicals | Echirenkyoojugotaino seizohoho |
-
1976
- 1976-09-02 JP JP10431276A patent/JPS5330681A/ja active Granted
-
1977
- 1977-08-26 ZA ZA00775201A patent/ZA775201B/xx unknown
- 1977-08-26 SE SE7709634A patent/SE438681B/xx not_active IP Right Cessation
- 1977-08-29 PT PT66971A patent/PT66971B/pt unknown
- 1977-08-30 AT AT626277A patent/AT350259B/de not_active IP Right Cessation
- 1977-08-31 FR FR7726489A patent/FR2363583A1/fr active Granted
- 1977-08-31 GB GB36398/77A patent/GB1580635A/en not_active Expired
- 1977-08-31 IT IT27150/77A patent/IT1085034B/it active
- 1977-08-31 AU AU28419/77A patent/AU507025B2/en not_active Expired
- 1977-09-01 CA CA285,974A patent/CA1085996A/en not_active Expired
- 1977-09-01 ES ES462046A patent/ES462046A1/es not_active Expired
- 1977-09-01 NO NO773035A patent/NO151661C/no unknown
- 1977-09-01 BR BR7705864A patent/BR7705864A/pt unknown
- 1977-09-02 NL NLAANVRAGE7709699,A patent/NL162925C/xx not_active IP Right Cessation
- 1977-09-02 BE BE180645A patent/BE858364A/xx not_active IP Right Cessation
- 1977-09-02 DE DE19772739608 patent/DE2739608A1/de active Granted
Cited By (81)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5922907A (ja) * | 1982-06-24 | 1984-02-06 | ベペ・シミイ・ソシエテ・アノニム | α―オレフィンの重合および共重合用触媒担体及びその製造方法 |
| US4487846A (en) * | 1982-06-24 | 1984-12-11 | Bp Chimie Society Anonyme | Process for the preparation of catalyst supports for the polymerization of alpha-olefins and the supports obtained |
| US4490475A (en) * | 1982-06-24 | 1984-12-25 | Bp Chimie Societe Anonyme | Process for the preparation of supports based on magnesium chloride for the preparation of catalysts for the polymerization of alpha-olefins and the supports obtained |
| US4497904A (en) * | 1982-06-24 | 1985-02-05 | Bp Chimie Societe Anonyme | Catalysts for the polymerization and copolymerization of ethylene and polymerization processes using these catalysts |
| US4511703A (en) * | 1982-06-24 | 1985-04-16 | Bp Chimie Societe Anonyme | Catalysts for the polymerization and copolymerization of propylene and polymerization processes using these catalysts |
| US4673662A (en) * | 1982-06-24 | 1987-06-16 | Bp Chemicals Limited | Catalysts for the polymerization and copolymerization of propylene and polymerization processes using these catalysts |
| EP0114391A1 (en) * | 1982-12-28 | 1984-08-01 | Sumitomo Chemical Company, Limited | Flexible propylene polymer |
| US4659792A (en) * | 1983-05-11 | 1987-04-21 | Mitsui Petrochemical Industries, Ltd. | Process for production of 4-methyl-1-pentene polymer or copolymer |
| US4767735A (en) * | 1987-02-02 | 1988-08-30 | Cosden Technology, Inc. | Catalyst pretreatment process |
| WO2010097409A1 (en) | 2009-02-25 | 2010-09-02 | Borealis Ag | Multimodal polymer of propylene, composition containing the same and a process for manufacturing the same |
| EP2223943A1 (en) | 2009-02-25 | 2010-09-01 | Borealis AG | Multimodal polymer of propylene, composition containing the same and a process for manufacturing the same |
| EP2452960A1 (en) | 2010-11-12 | 2012-05-16 | Borealis AG | Process for preparing propylene polymers with an ultra high melt flow rate |
| EP2452959A1 (en) | 2010-11-12 | 2012-05-16 | Borealis AG | Process for producing propylene random copolymers and their use |
| EP2452957A1 (en) | 2010-11-12 | 2012-05-16 | Borealis AG | Improved process for producing heterophasic propylene copolymers |
| WO2012062738A1 (en) | 2010-11-12 | 2012-05-18 | Borealis Ag | Improved process for producing heterophasic propylene copolymers |
| WO2012062737A1 (en) | 2010-11-12 | 2012-05-18 | Borealis Ag | Process for preparing propylene polymers with an ultra high melt flow rate |
| WO2012062733A1 (en) | 2010-11-12 | 2012-05-18 | Borealis Ag | Process for producing propylene random copolymers and their use |
| WO2013092342A1 (en) | 2011-12-19 | 2013-06-27 | Borealis Ag | Loop reactor providing an advanced production split control |
| EP2719725A1 (en) | 2012-10-11 | 2014-04-16 | Abu Dhabi Polymers Company Limited (Borouge) | Nucleated polypropylene composition for containers |
| WO2014056559A1 (en) | 2012-10-11 | 2014-04-17 | Abu Dhabi Polymers Company Ltd. (Borouge) | Nucleated polypropylene composition for containers |
| EP2749580A1 (en) | 2012-12-28 | 2014-07-02 | Borealis AG | Process for producing copolymers of propylene |
| US9403926B2 (en) | 2012-12-28 | 2016-08-02 | Borealis Ag | Process for producing copolymers of propylene |
| WO2014173475A1 (en) | 2013-04-22 | 2014-10-30 | Abu Dhabi Polymers Company Limited (Borouge) | Multimodal polypropylene composition for pipe applications |
| EP2796473A1 (en) | 2013-04-22 | 2014-10-29 | Borealis AG | Multistage process for producing low-temperature resistant polypropylene compositions |
| EP2796501A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Multimodal polypropylene composition for pipe applications |
| EP2796498A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Multimodal polypropylene composition for pipe applications |
| EP2796500A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Propylene random copolymer composition for pipe applications |
| EP2796502A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Propylene random copolymer composition for pipe applications |
| EP2796499A1 (en) | 2013-04-22 | 2014-10-29 | Abu Dhabi Polymers Company Limited (Borouge) | Polypropylene composition with improved impact resistance for pipe applications |
| WO2014173535A1 (en) | 2013-04-22 | 2014-10-30 | Borealis Ag | Multistage process for producing polypropylene compositions |
| WO2014173531A1 (en) | 2013-04-22 | 2014-10-30 | Abu Dhabi Polymers Company Limited (Borouge) | Propylene random copolymer composition for pipe applications |
| EP2796472A1 (en) | 2013-04-22 | 2014-10-29 | Borealis AG | Two-stage process for producing polypropylene compositions |
| EP2796474A1 (en) | 2013-04-22 | 2014-10-29 | Borealis AG | Multistage process for producing polypropylene compositions |
| US11072699B2 (en) | 2013-04-22 | 2021-07-27 | Abu Dhabi Polymers Company Limited (Borouge) | Multimodal polypropylene composition for pipe applications |
| EP3235832A1 (en) | 2013-04-22 | 2017-10-25 | Borealis AG | Polypropylene compositions |
| US11066541B2 (en) | 2013-04-22 | 2021-07-20 | Abu Dhabi Polymers Company Limited (Borouge) | Multimodal polypropylene composition for pipe applications |
| US10961376B2 (en) | 2013-04-22 | 2021-03-30 | Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. | Propylene random copolymer composition for pipe applications |
| US9587096B2 (en) | 2013-04-22 | 2017-03-07 | Abu Dhabi Polymers Company Limited | Propylene random copolymer composition for pipe applications |
| US10494464B2 (en) | 2013-04-22 | 2019-12-03 | Borealis Ag | Two-stage process for producing polypropylene compositions |
| US9809666B2 (en) | 2013-04-22 | 2017-11-07 | Abu Dhabi Polymers Company Limited (Borouge) | Polypropylene composition with improved impact resistance for pipe applications |
| US9745397B2 (en) | 2013-04-22 | 2017-08-29 | Borealis Ag | Multistage process for producing low-temperature resistant polypropylene compositions |
| US9994656B2 (en) | 2013-09-27 | 2018-06-12 | Borealis Ag | Two-stage process for producing polypropylene compositions |
| EP2853562A1 (en) | 2013-09-27 | 2015-04-01 | Borealis AG | Two-stage process for producing polypropylene compositions |
| US9790290B2 (en) | 2014-02-28 | 2017-10-17 | Borealis Ag | Gas phase polymerization process |
| US9539556B2 (en) | 2014-02-28 | 2017-01-10 | Borealis Ag | Process for polymerizing olefins in a fluidized bed |
| WO2016198631A1 (en) | 2015-06-12 | 2016-12-15 | Borealis Ag | Method and apparatus for polymerising olefins in gas phase |
| EP3103818A1 (en) | 2015-06-12 | 2016-12-14 | Borealis AG | Method and apparatus for polymerising olefins in gas phase |
| EP3184166A1 (en) | 2015-12-22 | 2017-06-28 | Borealis AG | A method for withdrawing agglomerates from a fluidised bed reactor |
| EP3184167A1 (en) | 2015-12-22 | 2017-06-28 | Borealis AG | A method for returning polymer to a fluidised bed reactor |
| US11111324B2 (en) | 2015-12-22 | 2021-09-07 | Borealis Ag | Method for withdrawing agglomerates from a fluidized bed polymerization reactor |
| EP3418308A1 (en) | 2017-06-20 | 2018-12-26 | Borealis AG | A method, an arrangement and use of an arrangement for olefin polymerisation |
| US11220558B2 (en) | 2017-06-20 | 2022-01-11 | Borealis Ag | Method, an arrangement and use of an arrangement of preparing polymer |
| WO2018234175A1 (en) | 2017-06-20 | 2018-12-27 | Borealis Ag | METHOD, ARRANGEMENT AND USE OF AN ARRANGEMENT FOR THE PREPARATION OF POLYMER |
| US11208507B2 (en) | 2017-06-20 | 2021-12-28 | Borealis Ag | Method, an arrangement and use of an arrangement for olefin polymerisation |
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| WO2018233999A1 (en) | 2017-06-23 | 2018-12-27 | Borealis Ag | METHOD AND APPARATUS FOR REMOVING POLYMER MATERIAL FROM POLYMERIZATION REACTOR OF GASEOUS-SOLID OLEFINS |
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| WO2019002268A1 (en) | 2017-06-27 | 2019-01-03 | Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. | POLYPROPYLENE COMPOSITION FOR THE PRODUCTION OF HIGH PRESSURE PIPES |
| EP3486260A1 (en) | 2017-11-17 | 2019-05-22 | Borealis AG | Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor |
| WO2019096556A1 (en) | 2017-11-17 | 2019-05-23 | Borealis Ag | Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor |
| US11559776B2 (en) | 2017-11-17 | 2023-01-24 | Borealis Ag | Method for improving the cooling capacity of a gas solids olefin polymerization reactor |
| US11400429B2 (en) | 2017-11-17 | 2022-08-02 | Borealis Ag | Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor |
| EP3486261A1 (en) | 2017-11-17 | 2019-05-22 | Borealis AG | Method for improving the cooling capacity of a gas solids olefin polymerization reactor |
| WO2019096557A1 (en) | 2017-11-17 | 2019-05-23 | Borealis Ag | Method for improving the cooling capacity of a gas solids olefin polymerization reactor |
| WO2019215108A1 (en) | 2018-05-09 | 2019-11-14 | Borealis Ag | Polypropylene pipe composition |
| US12134688B2 (en) | 2018-05-09 | 2024-11-05 | Borealis Ag | Polypropylene pipe composition |
| EP3567061A1 (en) | 2018-05-09 | 2019-11-13 | Borealis AG | Polypropylene pipe composition |
| US12018102B2 (en) | 2018-06-14 | 2024-06-25 | Borealis Ag | Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity |
| WO2019238428A1 (en) | 2018-06-14 | 2019-12-19 | Borealis Ag | Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity |
| WO2020025757A1 (en) | 2018-08-02 | 2020-02-06 | Borealis Ag | Process for polymerizing ethylene in a multi-stage polymerization process |
| US12043687B2 (en) | 2018-08-02 | 2024-07-23 | Borealis Ag | Process for polymerizing ethylene in a multi-stage polymerization process |
| WO2020244834A1 (en) | 2019-06-04 | 2020-12-10 | Borealis Ag | Process and reactor assembly for the enhancement of hydrodynamics in a gas-solids fluidized bed reactor |
| EP3868793A1 (en) | 2020-02-24 | 2021-08-25 | Borealis AG | Process for producing alpha-olefin polymers in a multistage polymerization process |
| WO2021170552A1 (en) | 2020-02-24 | 2021-09-02 | Borealis Ag | Process for producing alpha-olefin polymers in a multistage polymerization process |
| WO2023194276A1 (en) | 2022-04-04 | 2023-10-12 | Borealis Ag | Pipe comprising a polypropylene composition |
| EP4257640A1 (en) | 2022-04-04 | 2023-10-11 | Borealis AG | Pipe comprising a polypropylene composition |
| EP4389820A1 (en) | 2022-12-21 | 2024-06-26 | Borealis AG | Polypropylene random copolymer compositions with improved impact resistance for pipe applications |
| WO2024133678A1 (en) | 2022-12-21 | 2024-06-27 | Borealis Ag | Polypropylene random copolymer compositions with improved impact resistance for pipe applications |
| EP4570856A1 (en) | 2023-12-14 | 2025-06-18 | Borealis AG | Polypropylene random copolymer compositions with improved impact resistance for pipe applications |
| WO2025125602A1 (en) | 2023-12-14 | 2025-06-19 | Borealis Ag | Polypropylene random copolymer compositions with improved impact resistance for pipe applications |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2363583A1 (fr) | 1978-03-31 |
| ES462046A1 (es) | 1978-06-01 |
| ATA626277A (de) | 1978-10-15 |
| NO773035L (no) | 1978-03-03 |
| NO151661C (no) | 1985-05-15 |
| AT350259B (de) | 1979-05-25 |
| DE2739608A1 (de) | 1978-03-09 |
| BR7705864A (pt) | 1978-06-27 |
| NL162925C (nl) | 1983-03-16 |
| PT66971B (en) | 1979-02-13 |
| DE2739608C2 (enrdf_load_stackoverflow) | 1987-08-27 |
| PT66971A (en) | 1977-09-01 |
| FR2363583B1 (enrdf_load_stackoverflow) | 1979-03-23 |
| NO151661B (no) | 1985-02-04 |
| SE7709634L (sv) | 1978-03-03 |
| IT1085034B (it) | 1985-05-28 |
| AU507025B2 (en) | 1980-01-31 |
| JPS5330681A (en) | 1978-03-23 |
| BE858364A (fr) | 1978-03-02 |
| JPS5745244B2 (enrdf_load_stackoverflow) | 1982-09-27 |
| NL7709699A (nl) | 1978-03-06 |
| CA1085996A (en) | 1980-09-16 |
| AU2841977A (en) | 1979-03-08 |
| NL162925B (nl) | 1980-02-15 |
| SE438681B (sv) | 1985-04-29 |
| ZA775201B (en) | 1978-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19970830 |