BE839380A - Procede de preparation de copolymeres d'ethylene de faible densite - Google Patents

Procede de preparation de copolymeres d'ethylene de faible densite

Info

Publication number
BE839380A
BE839380A BE165002A BE165002A BE839380A BE 839380 A BE839380 A BE 839380A BE 165002 A BE165002 A BE 165002A BE 165002 A BE165002 A BE 165002A BE 839380 A BE839380 A BE 839380A
Authority
BE
Belgium
Prior art keywords
low density
ethylene copolymers
density ethylene
preparing low
preparing
Prior art date
Application number
BE165002A
Other languages
English (en)
French (fr)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE839380A publication Critical patent/BE839380A/xx

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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE165002A 1975-03-10 1976-03-10 Procede de preparation de copolymeres d'ethylene de faible densite BE839380A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/557,122 US4011382A (en) 1975-03-10 1975-03-10 Preparation of low and medium density ethylene polymer in fluid bed reactor

Publications (1)

Publication Number Publication Date
BE839380A true BE839380A (fr) 1976-09-10

Family

ID=24224133

Family Applications (1)

Application Number Title Priority Date Filing Date
BE165002A BE839380A (fr) 1975-03-10 1976-03-10 Procede de preparation de copolymeres d'ethylene de faible densite

Country Status (4)

Country Link
US (1) US4011382A (cs)
BE (1) BE839380A (cs)
IN (1) IN144385B (cs)
ZA (1) ZA761188B (cs)

Cited By (143)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004645A3 (en) * 1978-03-31 1979-10-31 Union Carbide Corporation Low pressure preparation of ethylene copolymers in fluid bed reactor, copolymers obtained and films made therefrom
EP0011308A1 (en) * 1978-11-20 1980-05-28 Union Carbide Corporation Preparation of low density ethylene copolymers in fluid bed reactor
US6025448A (en) 1989-08-31 2000-02-15 The Dow Chemical Company Gas phase polymerization of olefins
US6187879B1 (en) 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
US6191239B1 (en) 1998-02-18 2001-02-20 Eastman Chemical Company Process for producing polyethylene
US6228957B1 (en) 1998-02-18 2001-05-08 Eastman Chemical Company Process for producing polyethlene
US6271321B1 (en) 1998-02-18 2001-08-07 Eastman Chemical Company Process for producing polyethylene
US6288181B1 (en) 1999-03-30 2001-09-11 Eastman Chemical Company Process for producing polyolefins
US6291613B1 (en) 1998-10-27 2001-09-18 Eastman Chemical Company Process for the polymerization of olefins
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
US6417299B1 (en) 1999-06-07 2002-07-09 Eastman Chemical Company Process for producing ethylene/olefin interpolymers
US6417298B1 (en) 1999-06-07 2002-07-09 Eastman Chemical Company Process for producing ethylene/olefin interpolymers
US6417296B2 (en) 1999-03-30 2002-07-09 Eastman Chemical Company Process for producing polyolefins
US6465383B2 (en) 2000-01-12 2002-10-15 Eastman Chemical Company Procatalysts, catalyst systems, and use in olefin polymerization
US6534613B2 (en) 1998-02-18 2003-03-18 Eastman Chemical Company Process for producing polyethylene
US6538080B1 (en) 1990-07-03 2003-03-25 Bp Chemicals Limited Gas phase polymerization of olefins
US6586538B2 (en) 1999-08-31 2003-07-01 Eastman Chemical Company Process for producing polyolefins
US6608152B2 (en) 1998-10-27 2003-08-19 Eastman Chemical Company Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom
US6677410B2 (en) 2000-01-12 2004-01-13 Eastman Chemical Company Procatalysts, catalyst systems, and use in olefin polymerization
US6696380B2 (en) 2000-01-12 2004-02-24 Darryl Stephen Williams Procatalysts, catalyst systems, and use in olefin polymerization
US7193017B2 (en) 2004-08-13 2007-03-20 Univation Technologies, Llc High strength biomodal polyethylene compositions
US7312279B2 (en) 2005-02-07 2007-12-25 Univation Technologies, Llc Polyethylene blend compositions
WO2010080870A2 (en) 2009-01-08 2010-07-15 Univation Technologies,Llc Additive for polyolefin polymerization processes
WO2011071900A2 (en) 2009-12-07 2011-06-16 Univation Technologies, Llc Methods for reducing static charge of a catalyst and methods for using the catalyst to produce polyolefins
WO2011075258A1 (en) 2009-12-18 2011-06-23 Univation Technologies, Llc Methods for making polyolefin products having different shear thinning properties and haze
WO2011103402A1 (en) 2010-02-22 2011-08-25 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
WO2011129956A1 (en) 2010-04-13 2011-10-20 Univation Technologies, Llc Polymer blends and films made therefrom
EP2476728A2 (en) 2003-12-01 2012-07-18 Univation Technologies, LLC Low haze high strength polyethylene compositions
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
WO2013070601A2 (en) 2011-11-08 2013-05-16 Univation Technologies, Llc Methods of preparing a catalyst system
WO2013133956A2 (en) 2012-03-05 2013-09-12 Univation Technologies, Llc Methods for making catalyst compositions and polymer products produced therefrom
WO2014071119A1 (en) 2012-11-01 2014-05-08 Univation Technologies, Llc Mixed compatible ziegler-natta/chromium catalysts for improved polymer products
WO2014106143A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Supported catalyst with improved flowability
WO2014123598A1 (en) 2013-02-07 2014-08-14 Univation Technologies, Llc Preparation of polyolefin
WO2014143421A1 (en) 2013-03-15 2014-09-18 Univation Technologies, Llc Tridentate nitrogen based ligands for olefin polymerisation catalysts
WO2014149361A1 (en) 2013-03-15 2014-09-25 Univation Technologies, Llc Ligands for catalysts
WO2014197169A1 (en) 2013-06-05 2014-12-11 Univation Technologies, Llc Protecting phenol groups
WO2015088624A1 (en) 2013-12-09 2015-06-18 Univation Technologies, Llc Feeding polymerization additives to polymerization processes
WO2015123172A1 (en) 2014-02-11 2015-08-20 Univation Technologies, Llc Method of producing polyethylene and polyethylene thereof
WO2015195189A1 (en) 2014-06-16 2015-12-23 Univation Technologies, Llc Polyethylene resins
WO2016028276A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
WO2016028277A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
WO2016028278A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
WO2017173074A1 (en) 2016-03-31 2017-10-05 Dow Global Technologies Llc An olefin polymerization catalyst
WO2017173079A1 (en) 2016-03-31 2017-10-05 Dow Global Technologies Llc Olefin polymerization catalyst systems and methods of use thereof
WO2017173080A1 (en) 2016-03-31 2017-10-05 Dow Global Technologies Llc Olefin polymerization catalyst systems and methods of use thereof
WO2018064339A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Bis-phosphaguanidine and poly-phosphaguanidine ligands with group iv metal catalysts produced therefrom
WO2018063813A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Thioguanidine group iv transition metal catalysts and polymerization systems
WO2018064048A1 (en) 2016-09-27 2018-04-05 Univation Technologies, Llc Method for long chain branching control in polyethylene production
WO2018064461A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Bis-ligated phosphaguanidine group iv metal complexes and olefin polymerization catalysts produced therefrom
WO2018063799A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Thiourea group iv transition metal catalysts and polymerization systems
WO2018064493A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Phosphaguanidine group iv metal olefin polymerization catalysts
WO2018089193A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Polyethylene composition
WO2018089194A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Polyethylene composition
WO2018089195A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Bimodal polyethylene
WO2019046085A1 (en) 2017-08-28 2019-03-07 Univation Technologies, Llc BIMODAL POLYETHYLENE
WO2019051006A1 (en) 2017-09-11 2019-03-14 Univation Technologies, Llc BIMODAL POLYETHYLENE COMPOSITION CONTAINING CARBON BLACK
WO2019083716A1 (en) 2017-10-27 2019-05-02 Univation Technologies, Llc RESINS AND FILMS BASED ON A POLYETHYLENE COPOLYMER
WO2019083715A1 (en) 2017-10-27 2019-05-02 Univation Technologies, Llc SELECTIVE TRANSITION OF POLYMERIZATION PROCESS
WO2019112929A1 (en) 2017-12-05 2019-06-13 Univation Technologies, Llc Modified spray-dried ziegler-natta (pro)catalyst systems
WO2019112927A1 (en) 2017-12-05 2019-06-13 Univation Technologies, Llc Activated spray-dried ziegler-natta catalyst system
WO2019125880A1 (en) 2017-12-18 2019-06-27 Dow Global Technologies Llc Hafnocene-titanocene catalyst system
WO2019125881A1 (en) 2017-12-18 2019-06-27 Dow Global Technologies Llc Zirconocene-titanocene catalyst system
WO2019182779A1 (en) 2018-03-19 2019-09-26 Univation Technologies, Llc Ethylene/1-hexene copolymer
WO2019190898A1 (en) 2018-03-28 2019-10-03 Univation Technologies, Llc Multimodal polyethylene composition
WO2019190897A1 (en) 2018-03-26 2019-10-03 Dow Global Technologies Llc Spray-dried zirconocene catalyst system
WO2019226344A1 (en) 2018-05-24 2019-11-28 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
WO2019241043A1 (en) 2018-06-12 2019-12-19 Dow Global Technologies Llc Activator-nucleator formulations
WO2019241044A1 (en) 2018-06-13 2019-12-19 Univation Technologies, Llc Spray-dried ziegler-natta (pro)catalyst systems
WO2019241045A1 (en) 2018-06-13 2019-12-19 Univation Technologies, Llc Bimodal polyethylene copolymer and film thereof
WO2020028059A1 (en) 2018-07-31 2020-02-06 Dow Global Technologies Llc Polyethylene formulations for large part blow molding applications
WO2020028229A1 (en) 2018-07-31 2020-02-06 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
WO2020028220A1 (en) 2018-07-31 2020-02-06 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
WO2020046663A1 (en) 2018-08-29 2020-03-05 Univation Technologies, Llc Bimodal polyethylene copolymer and film thereof
WO2020046406A1 (en) 2018-08-30 2020-03-05 Exxonmobil Chemical Patents Inc. Polymerization processes and polymers made therefrom
WO2020046664A1 (en) 2018-08-29 2020-03-05 Univation Technologies, Llc Method of changing melt rheology property of bimodal polyethylene polymer
WO2020068413A1 (en) 2018-09-28 2020-04-02 Univation Technologies, Llc Bimodal polyethylene copolymer composition and pipe made thereof
WO2020092597A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. On-line adjustment of catalysts by trim and olefin polymerization
WO2020092599A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. Slurry trim catalyst feeder modifications
WO2020092587A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. On-line adjustment of mixed catalyst ratio by trim and olefin polymerization with the same
WO2020092584A2 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. In-line trimming of dry catalyst feed
WO2020092588A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. Mixed catalyst systems with properties tunable by condensing agent
WO2020092606A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. On-line adjustment of mixed catalyst ratio and olefin polymerization
WO2020096734A1 (en) 2018-11-06 2020-05-14 Dow Global Technologies Llc Alkane-soluble non-metallocene precatalysts
WO2020096735A1 (en) 2018-11-06 2020-05-14 Dow Global Technologies Llc Method of olefin polymerization using alkane-soluble non-metallocene precatalyst
WO2020096732A1 (en) 2018-11-06 2020-05-14 Dow Global Technologies Llc Alkane-soluble non-metallocene precatalysts
WO2020223193A1 (en) 2019-04-30 2020-11-05 Dow Global Technologies Llc Bimodal poly(ethylene-co-1-alkene) copolymer
WO2020223191A1 (en) 2019-04-30 2020-11-05 Dow Global Technologies Llc Bimodal poly(ethylene-co-1-alkene) copolymer
WO2020223142A1 (en) 2019-04-30 2020-11-05 Dow Global Technologies Llc Metal-ligand complexes
WO2020251764A1 (en) 2019-06-10 2020-12-17 Univation Technologies, Llc Polyethylene blend
WO2021041095A1 (en) 2019-08-26 2021-03-04 Dow Global Technologies Llc Bimodal polyethylene-based composition
WO2021061597A1 (en) 2019-09-26 2021-04-01 Univation Technologies, Llc Bimodal polyethylene homopolymer composition
WO2021154204A1 (en) 2020-01-27 2021-08-05 Formosa Plastics Corporation, U.S.A. Process for preparing catalysts and catalyst compositions
WO2021202486A1 (en) 2020-04-01 2021-10-07 Dow Global Technologies Llc Bimodal linear low density polyethylene copolymer
WO2021242800A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated post-metallocene catalysts
WO2021243214A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2021242792A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated post-metallocene catalysts
WO2021243211A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2021243213A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2021242795A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated post-metallocene catalysts
WO2021243158A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Chemically converted catalysts
WO2021242678A1 (en) 2020-05-29 2021-12-02 Univation Technologies, Llc Single reactor bimodal polyethylene with improved modulus for extrusion blow molding drum applications
WO2021243145A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Chemically converted catalysts
WO2021242801A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated hybrid catalysts
WO2022031398A1 (en) 2020-08-05 2022-02-10 Dow Global Technologies Llc Thermoplastic compositions comprising recycled polymers and articles manufactured therefrom
WO2022031397A1 (en) 2020-08-05 2022-02-10 Dow Global Technologies Llc Thermoplastic compositions comprising bimodal polyethylene and articles manufactured therefrom
WO2022072223A1 (en) 2020-09-30 2022-04-07 Univation Technologies, Llc Bimodal polyethylene copolymers for pe-80 pipe applications
WO2022081685A1 (en) 2020-10-15 2022-04-21 Dow Global Technologies Llc Olefin polymerization catalysts bearing a 6-amino-n-aryl azaindole ligand
WO2022174202A1 (en) 2021-02-11 2022-08-18 Exxonmobil Chemical Patents Inc. Process for polymerizing one or more olefins
WO2022173915A1 (en) 2021-02-15 2022-08-18 Dow Global Technologies Llc Method for making a poly(ethylene-co-1-alkene) copolymer with reverse comonomer distribution
WO2022187814A2 (en) 2021-03-05 2022-09-09 Exxonmobil Chemical Patents Inc. Processes for making and using slurry catalyst mixtures
WO2023064921A1 (en) 2021-10-15 2023-04-20 Univation Technologies, Llc Hdpe intermediate bulk container resin using advanced chrome catalyst by polyethylene gas phase technology
WO2023064917A1 (en) 2021-10-15 2023-04-20 Univation Technologies, Llc Hdpe lpbm resin using advanced chrome catalyst by polyethylene gas phase technology
WO2023069407A1 (en) 2021-10-21 2023-04-27 Univation Technologies, Llc Bimodal poly(ethylene-co-1-alkene) copolymer and blow-molded intermediate bulk containers made therefrom
WO2023096864A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a carbon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and poly ethylene copolymer resins in a gas phase polymerization reactor
WO2023096868A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a germanium bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor
WO2023096865A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a silocon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor
EP4212323A1 (en) 2014-06-16 2023-07-19 Univation Technologies, LLC A method of manufacturing a blow molded article
WO2023239560A1 (en) 2022-06-09 2023-12-14 Formosa Plastics Corporaton, U.S.A. Clay composite support-activators and catalyst compositions
WO2024137235A1 (en) 2022-12-19 2024-06-27 Dow Global Technologies Llc Method of making a morphology-improved polyethylene powder
WO2024220175A1 (en) 2023-04-19 2024-10-24 Dow Global Technologies Llc Pipes including high density multimodal polyethylene compositions
WO2024253863A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253859A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253860A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253861A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysys comprising substituted 2-hydroxythiophene compounds
WO2024253864A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253862A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024263748A1 (en) 2023-06-23 2024-12-26 Univation Technologies, Llc Single reactor-made bimodal high-density polyethylene copolymer and methods and articles
WO2025034361A1 (en) 2023-08-10 2025-02-13 Dow Global Technologies Llc Multimodal polyethylene compositions
WO2025101264A1 (en) 2023-11-09 2025-05-15 Dow Global Technologies Llc Multimodal polyethylene compositions
WO2025128220A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128219A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128214A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128217A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128218A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128216A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025171254A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Catalysts for gas phase polymerization and process
WO2025171248A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Polyethylene catalyst system and process
WO2025171269A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Trimodal ethylene-based polymer composition and catalyst system
WO2025170769A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Bimodal catalyst system and polymerization process

Families Citing this family (160)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186260A (en) * 1973-05-24 1980-01-29 Phillips Petroleum Company Olefin polymerization process
US4077904A (en) * 1976-06-29 1978-03-07 Union Carbide Corporation Olefin polymerization process and catalyst therefor
US4100105A (en) * 1977-01-21 1978-07-11 Union Carbide Corporation Titanium-modified silyl chromate catalysts for ethylene polymerization
CA1157617A (en) * 1977-12-14 1983-11-29 Milton L. Weiner Oriented polypropylene with linear low density polyethylene copolymer coating
ZA787062B (en) 1977-12-27 1980-04-30 Union Carbide Corp Wire or cable insulated with a dielectric composition stabilized against water treeing with organo silane compounds
US4255542A (en) * 1978-11-30 1981-03-10 Union Carbide Corporation Exothermic polymerization in a vertical fluid bed reactor system containing cooling means therein and apparatus therefor
US4364981A (en) * 1979-12-28 1982-12-21 Union Carbide Corporation Three layer film having a core layer of low pressure, low density polyethylene
CA1156415A (en) * 1979-12-28 1983-11-08 Jerome T. Horner Three layer film having a core layer of low pressure, low density polyethylene
US4374227A (en) * 1981-05-15 1983-02-15 Union Carbide Corporation Extruded gloss improvement in pipe blends with low pressure low density polyethylene
US4367256A (en) * 1981-05-15 1983-01-04 Union Carbide Corporation Cling-wrap polyethylene film
AU8807882A (en) * 1981-09-21 1983-03-31 Mobil Oil Corp. Catalyst composition with zeolite support
US4376191A (en) * 1981-10-01 1983-03-08 Union Carbide Corporation Use of dialkylzinc compounds to initiate polymerization of ethylene with chromium oxide catalysts
US5025072A (en) * 1981-12-04 1991-06-18 Mobil Oil Corporation Highly active catalyst composition for polymerizing alpha-olefins
US4374882A (en) * 1981-12-18 1983-02-22 Union Carbide Corporation Compositions comprising low pressure ethylene polymers and alkylene-alkyl acrylate copolymers; and spiral wound hose products fabricated therefrom
US4410649A (en) * 1982-03-31 1983-10-18 Union Carbide Corporation Ethylene polymer compositions having improved transparency
US4522987A (en) * 1982-07-09 1985-06-11 Phillips Petroleum Company Low density polyethylene
US4460755A (en) * 1982-09-30 1984-07-17 Union Carbide Corporation Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst
US4454281A (en) * 1982-12-01 1984-06-12 Union Carbide Corporation Formulation for high clarity linear low density polyethylene film products
US4596862A (en) * 1984-12-24 1986-06-24 Phillips Petroleum Company Olefin polymerization using chromium on fluorided aluminophosphate
DE3517081A1 (de) * 1985-05-11 1986-11-13 Wolff Walsrode Ag, 3030 Walsrode Opake, siegelbare mehrschichtfolien aus polyolefinen
DE3517082A1 (de) * 1985-05-11 1986-11-13 Wolff Walsrode Ag, 3030 Walsrode Siegelbare mehrschichtfolien aus polyolefinen
DE3520944A1 (de) * 1985-06-12 1986-12-18 Wolff Walsrode Ag, 3030 Walsrode Siegelbare mehrschichtenfolien mit geringer gasdurchlaessigkeit und ihre verwendung als verpackungsmaterial
US5256351A (en) * 1985-06-17 1993-10-26 Viskase Corporation Process for making biaxially stretched, heat shrinkable VLDPE films
CA1340037C (en) * 1985-06-17 1998-09-08 Stanley Lustig Puncture resistant, heat-shrinkable films containing very low density polyethylene copolymer
US4976898A (en) * 1985-06-17 1990-12-11 Viskase Corporation Process for making puncture resistant, heat-shrinkable films containing very low density polyethylene
US5059481A (en) * 1985-06-17 1991-10-22 Viskase Corporation Biaxially stretched, heat shrinkable VLDPE film
JPH0621132B2 (ja) * 1985-07-08 1994-03-23 三菱化成株式会社 変性ポリオレフイン樹脂およびその組成物
USRE35285E (en) * 1985-09-30 1996-06-25 W. R. Grace & Co.-Conn. Thermoplastic multi-layer packaging film and bags made therefrom
US4775710A (en) * 1985-12-12 1988-10-04 Mallinckrodt, Inc. Stabilized linear low-density polyethylene containing ring-substituted N-acyl-para-aminophenol
US5240754A (en) * 1986-03-12 1993-08-31 Fuji Photo Film Co., Ltd. Container for photographic film cartridge
DE3609828A1 (de) * 1986-03-22 1987-09-24 Basf Ag Verfahren zum herstellen von homo-sowie copolymerisaten des ethens durch phillips-katalyse
US5066724A (en) * 1986-04-25 1991-11-19 Rexene Products Company Novel film compositions
US5473027A (en) * 1986-06-20 1995-12-05 Chevron Chemical Company Production of blow molding polyethylene resin
US4833017A (en) * 1987-04-17 1989-05-23 Mobil Oil Corporation Particle-impregnated one-sided cling stretch wrap film
US5273809A (en) * 1987-04-17 1993-12-28 Mobil Oil Corporation Multilayer stretch wrap film inherently exhibiting a significant cling property
US5617707A (en) * 1987-04-17 1997-04-08 Mobil Oil Corporation Stretch wrap film inherently exhibiting a significant cling property
US4963388A (en) * 1987-04-17 1990-10-16 Mobil Oil Corporation Method for forming particle-impregnated one-sided cling stretch wrap film
US4946914A (en) * 1987-05-28 1990-08-07 Mobile Oil Corporation Modified chromium-containing catalyst composition polymerization process with alpha-olefins
US5096868A (en) * 1987-10-21 1992-03-17 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins and alpha-olefins polymerization therewith
US4803251A (en) 1987-11-04 1989-02-07 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
US5248547A (en) * 1988-10-25 1993-09-28 Mobil Oil Corporation Multi-layer coextruded polyolefin stretch wrap films
US5261536A (en) * 1988-10-25 1993-11-16 Mobil Oil Corporation Multi-layer coextruded polyolefin stretch wrap films
US5019315A (en) * 1988-10-25 1991-05-28 Mobil Oil Corporation Preparing multi-layer coextruded polyolefin stretch wrap films
FR2656613B1 (fr) * 1989-12-29 1993-09-03 Bp Chemicals Snc Procede de (co-) polymerisation de l'ethylene en phase gazeuse, en presence d'un catalyseur comprenant un oxyde de chrome et un compose de titane et d'un compose organometallique.
US5221654A (en) * 1991-01-02 1993-06-22 Phillips Petroleum Company Fluorided aluminas, catalysts, and polymerization processes
US5219817A (en) * 1991-01-02 1993-06-15 Phillips Petroleum Company Fluorided aluminas, catalysts, and polymerization processes
US5221655A (en) * 1991-01-02 1993-06-22 Phillips Petroleum Company Florided aluminas, catalysts, and polymerization processes
US5219962A (en) * 1991-01-02 1993-06-15 Phillips Petroleum Company Fluorided aluminas, catalysts, and polymerization processes
US5221720A (en) * 1991-01-02 1993-06-22 Phillips Petroleum Company Fluorided aluminas, catalysts, and polymerization processes
US5171798A (en) * 1991-01-02 1992-12-15 Phillips Petroleum Company Fluorided aluminas, catalysts, and polymerization processes
US5064796A (en) * 1991-01-07 1991-11-12 Exxon Chemical Patents Inc. Support adjuvant for improved vanadium polymerization catalyst
US5419934A (en) * 1992-12-18 1995-05-30 Mobil Oil Corporation Multilayer coextruded polyolefin stretch wrap films
US5334428A (en) * 1992-12-28 1994-08-02 Mobil Oil Corporation Multilayer coextruded linear low density polyethylene stretch wrap films
US5376742A (en) * 1993-09-23 1994-12-27 Quantum Chemical Corporation Monomer recovery in gas phase fluid bed olefin polymerization
AU1126697A (en) * 1995-12-01 1997-06-19 Chevron Chemical Company Llc Polymerization processes
US5752362A (en) * 1996-03-12 1998-05-19 Tenneco Packaging Stretch wrap films
US5749202A (en) * 1996-03-12 1998-05-12 Tenneco Packaging Stretch wrap films
USRE38429E1 (en) * 1996-03-12 2004-02-17 Tyco Plastics Services Ag Stretch wrap films
US5976682A (en) * 1996-03-12 1999-11-02 Tenneco Packaging Stretch wrap films
US5814399A (en) * 1996-03-12 1998-09-29 Tenneco Packaging Stretch wrap films
US5998017A (en) * 1996-03-12 1999-12-07 Tenneco Packaging Stretch wrap films
US5902684A (en) * 1996-03-12 1999-05-11 Tenneco Packaging Inc. Multilayered Metallocene stretch wrap films
EP0849293A1 (en) * 1996-12-20 1998-06-24 Fina Research S.A. Production of polyethylene having a bimodal molecular weight distribution
US5989725A (en) * 1997-01-16 1999-11-23 Tenneco Packaging Clear high molecular weight film
US6013378A (en) * 1997-03-17 2000-01-11 Tenneco Packaging HMW HDPE film with improved impact strength
US6093480A (en) * 1997-05-21 2000-07-25 Tenneco Packaging Stretch wrap films
US5907942A (en) * 1997-05-21 1999-06-01 Tenneco Packaging Stretch wrap films
US5907943A (en) * 1997-06-11 1999-06-01 Tenneco Packaging Inc. Stretch wrap films
US5922441A (en) * 1997-06-11 1999-07-13 Tenneco Packaging Inc. Stretch wrap films
US6083611A (en) * 1997-11-12 2000-07-04 Tenneco Packaging, Inc. Roll wrap film
US6165418A (en) * 1998-06-29 2000-12-26 Mobil Oil Corporation System for controlling temperature of a continuous polymerization process
US6660817B2 (en) 2001-07-24 2003-12-09 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US6646073B2 (en) 2001-07-24 2003-11-11 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US6635726B2 (en) 2001-07-24 2003-10-21 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US6759492B2 (en) 2001-07-24 2004-07-06 Eastman Chemical Company Process for the polymerization of ethylene and interpolymers thereof
US7192636B2 (en) * 2002-12-10 2007-03-20 Intertape Polymer Corp. Multilayer shrink film with polystyrene and polyethylene layers
US6989344B2 (en) 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
US20040167015A1 (en) * 2003-02-26 2004-08-26 Cann Kevin J. Production of broad molecular weight polyethylene
US6982304B2 (en) * 2003-12-22 2006-01-03 Union Carbide Chemicals & Plastics Technology Corporation Blow molding resins with improved ESCR
US6987152B1 (en) 2005-01-11 2006-01-17 Univation Technologies, Llc Feed purification at ambient temperature
US8129484B2 (en) * 2005-07-27 2012-03-06 Univation Technologies, Llc Blow molding polyethylene resins
US20070027276A1 (en) * 2005-07-27 2007-02-01 Cann Kevin J Blow molding polyethylene resins
RU2289591C1 (ru) * 2005-09-30 2006-12-20 Казанское Открытое Акционерное Общество "Органический Синтез" (Оао "Казаньоргсинтез") Способ получения полиэтилена низкого давления
EP1845110A1 (en) * 2006-04-13 2007-10-17 Total Petrochemicals Research Feluy Chromium-based catalysts
CA2588352A1 (en) * 2007-05-11 2008-11-11 Nova Chemicals Corporation Method to estimate pent values
CA2605044C (en) * 2007-10-01 2014-12-02 Nova Chemicals Corporation Polymerization process using a mixed catalyst system
TW200936564A (en) * 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
CN102015090B (zh) * 2008-04-22 2014-03-12 尤尼威蒂恩技术有限公司 反应器系统和使用该反应器系统的方法
WO2010045091A2 (en) * 2008-10-15 2010-04-22 Univation Technologies, Llc Circulating fluidized bed reactor
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
JP5611237B2 (ja) * 2009-01-23 2014-10-22 エボニック デグサ ゲーエムベーハーＥｖｏｎｉｋ Ｄｅｇｕｓｓａ ＧｍｂＨ Ｐｅ ｍｉｂスラリー重合
ES2427288T3 (es) * 2009-02-06 2013-10-29 Dow Global Technologies Llc Polímeros y composiciones a base de etileno, métodos de fabricación de los mismos y artículos preparados de los mismos
US20110008603A1 (en) * 2009-07-08 2011-01-13 Berry Plastics Corporation Polyolefinic heat shrinkable film and method thereof
RU2011152483A (ru) 2009-07-23 2013-06-27 Юнивейшн Текнолоджиз, Ллк Реакционная система для полимеризации
US8598283B2 (en) 2010-02-18 2013-12-03 Univation Technologies, Llc Methods for operating a polymerization reactor
WO2011112704A2 (en) 2010-03-12 2011-09-15 General Cable Technologies Corporation Insulation with micro oxide particles and cable using the same
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
BR112013000679A2 (pt) 2010-07-16 2016-05-31 Univation Tech Llc sistemas e métodos para medir acúmulo de partícula em superfícies de reator
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
CA2713042C (en) 2010-08-11 2017-10-24 Nova Chemicals Corporation Method of controlling polymer architecture
EP2447290A1 (en) 2010-11-01 2012-05-02 Ineos Commercial Services UK Limited Chromium catalysed ethylene copolymer powder
JP5973462B2 (ja) 2010-12-17 2016-08-23 ユニベーション・テクノロジーズ・エルエルシー ポリオレフィンパージガス生成物から炭化水素を回収するためのシステム及び方法
BR112013016116B1 (pt) 2010-12-22 2020-04-28 Univation Tech Llc processo de polimerização e sistema catalisador
CA2740755C (en) 2011-05-25 2019-01-15 Nova Chemicals Corporation Chromium catalysts for olefin polymerization
BR112014010906B1 (pt) 2011-11-08 2020-12-01 Univation Technologies, Llc método para produzir uma poliolefina
ES2887356T3 (es) 2011-12-19 2021-12-22 Dow Global Technologies Llc Una composición de polietileno y artículos preparados a partir de la misma
US20130172499A1 (en) * 2011-12-30 2013-07-04 Michael W. Lynch Process for the preparation of olefin polymers in the presence of chromium catalysts
US9694336B2 (en) * 2012-06-14 2017-07-04 Basell Polyolefine Gmbh Method for cooling a gas-phase reactor for the polymerization of olefins
CA2783494C (en) 2012-07-23 2019-07-30 Nova Chemicals Corporation Adjusting polymer composition
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
WO2014105614A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Methods of integrating aluminoxane production into catalyst production
CN105121015A (zh) 2013-01-14 2015-12-02 尤尼威蒂恩技术有限责任公司 制备高产率催化剂系统的方法
US9988473B2 (en) 2013-05-02 2018-06-05 Dow Global Technologies Llc Polyethylene composition and articles made therefrom
DE202013009002U1 (de) 2013-10-10 2014-02-19 Andrej Kober Führungselement
ES2963035T3 (es) 2013-11-21 2024-03-25 Univation Tech Llc Métodos para controlar las propiedades de los polímeros
CA2837591A1 (en) 2013-12-19 2015-06-19 Nova Chemicals Corporation Polyethylene composition for extrusion coating
DE202014001486U1 (de) 2014-02-21 2014-03-21 Andrej Kober Schutzfolie als Schmutzschutz für Möbelstücke
US9914794B2 (en) 2014-05-27 2018-03-13 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
JP6674911B2 (ja) 2014-06-24 2020-04-01 ノヴァ ケミカルズ（アンテルナショナル）ソシエテ アノニム 攪拌反応器内の局所流体齢の制御
CA2857456C (en) 2014-07-22 2022-05-03 Nova Chemicals Corporation Improved control over particulate feed
CN106795241B (zh) 2014-09-02 2021-03-09 尤尼威蒂恩技术有限责任公司 使用铬类催化剂的聚烯烃制造
ES2864225T3 (es) 2014-09-02 2021-10-13 Univation Tech Llc Producción de poliolefinas con catalizadores a base de cromo
CN107108800B (zh) 2014-09-02 2021-03-19 尤尼威蒂恩技术有限责任公司 使用铬类催化剂的聚烯烃制造
CA2870027C (en) 2014-11-07 2022-04-26 Matthew Zaki Botros Blow molding composition and process
EP3223943B1 (en) 2014-11-24 2023-09-27 Univation Technologies, LLC Composition comprising particles
SG11201703845PA (en) 2014-11-24 2017-06-29 Univation Tech Llc Chromium-based catalyst compositions for olefin polymerization
CN107207650B (zh) 2014-12-22 2020-09-15 Sabic环球技术有限责任公司 不相容催化剂之间的转换方法
JP6761810B2 (ja) 2014-12-22 2020-09-30 サビック グローバル テクノロジーズ ベスローテン フェンノートシャップ 非相容性触媒間の移行方法
EP3237106B1 (en) 2014-12-22 2018-09-12 SABIC Global Technologies B.V. Recovery of hydrocarbons from a hydrocarbon recycle
CN107107433B (zh) 2015-01-21 2019-09-13 尤尼威蒂恩技术有限责任公司 用于聚烯烃中的凝胶减少的方法
WO2016118599A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for controlling polymer chain scission
US10494454B2 (en) 2015-03-24 2019-12-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
CA2983271C (en) 2015-04-24 2024-02-13 Univation Technologies, Llc Methods for operating a polymerization reactor
CN104877051B (zh) * 2015-05-06 2018-04-13 无锡耀汇科技有限公司 一种聚烯烃催化剂
CN104877052B (zh) * 2015-05-06 2018-04-13 无锡耀汇科技有限公司 一种聚乙烯树脂
CN104817752B (zh) * 2015-05-06 2017-05-10 无锡耀汇科技有限公司 一种聚乙烯薄膜及其制备方法
CA2891002C (en) 2015-05-13 2022-09-06 Veronica Rose Zimmerman Modeling a bed plate and its use
CN107922541B (zh) 2015-08-26 2020-09-01 Sabic环球技术有限责任公司 乙烯气相聚合方法
US10822433B2 (en) 2015-12-22 2020-11-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
SG11201806038XA (en) 2016-01-29 2018-08-30 Univation Tech Llc Polyolefin film with improved toughness
ES2954927T3 (es) 2016-04-20 2023-11-27 Univation Tech Llc Modificador del índice de flujo de polímero
WO2018111631A1 (en) 2016-12-15 2018-06-21 Univation Technologies, Llc Rating polymerization processes
WO2018118258A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
US11306163B2 (en) 2017-01-11 2022-04-19 Sabic Global Technologies B.V. Chromium oxide catalyst for ethylene polymerization
WO2018130539A1 (en) 2017-01-11 2018-07-19 Sabic Global Technologies B.V. Chromium oxide catalyst for ethylene polymerization
US11208512B2 (en) 2017-02-13 2021-12-28 Univation Technologies, Llc Bimodal polyethylene resins
US12091472B2 (en) 2019-01-25 2024-09-17 Sabic Global Technologies B.V. Chromium oxide catalyst for ethylene polymerization
EP3715385B1 (en) 2019-03-26 2024-01-31 SABIC Global Technologies B.V. Chromium oxide catalyst for ethylene polymerization
MX2022012093A (es) 2020-04-07 2022-10-13 Nova Chem Int Sa Polietileno de alta densidad para articulos rigidos.
US11618793B2 (en) 2020-08-27 2023-04-04 Exxonmobil Chemical Patents Inc. Optimized inert gas partial pressure in a gas phase polymerization process
CA3193394A1 (en) 2020-09-22 2022-03-31 Bo Liu Bimodal polyethylene copolymer and film thereof
US11492422B2 (en) 2020-11-19 2022-11-08 Exxonmobil Chemical Patents Inc. Olefin polymerization processes
EP4263701B1 (en) 2020-12-21 2024-10-09 Dow Global Technologies LLC Polyethylene compositions for closure applications
US20240043581A1 (en) 2021-03-05 2024-02-08 Exxonmobil Chemical Patents Inc. Processes for venting olefin polymerization systems
WO2022214420A1 (en) 2021-04-06 2022-10-13 Sabic Global Technologies B.V. Chromium based catalyst for ethylene polymerization
AR128453A1 (es) 2022-02-11 2024-05-08 Dow Global Technologies Llc Composiciones de polietileno de densidad media bimodal adecuadas para el uso como cintas de goteo de microirrigación
KR20250121321A (ko) 2022-12-12 2025-08-12 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 입자의 마찰 대전 및/또는 이에 의한 반응기 파울링의 감소
WO2024132273A1 (en) 2022-12-20 2024-06-27 Sabic Global Technologies B.V. Catalyst for polyethylene polymerization
WO2024132245A1 (en) 2022-12-20 2024-06-27 Sabic Global Technologies B.V. Process for the production of polyethylene
WO2025078081A1 (en) 2023-10-09 2025-04-17 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023203A (en) * 1957-08-16 1962-02-27 Phillips Petroleum Co Polymerization process
US2953552A (en) * 1958-07-31 1960-09-20 Union Carbide Corp Production of ethylene-alpha-butene copolymers with a catalyst of aluminum alkyl, titanium ester and titanium halide
US3445367A (en) * 1965-11-22 1969-05-20 Phillips Petroleum Co Catalyst and process for making olefin polymers of narrow molecular weight distribution
DE1595597A1 (de) * 1966-03-04 1970-05-14 Hoechst Ag Verfahren zur Herstellung von hochmolekularem verzweigtem Polyaethylen
US3509116A (en) * 1966-04-13 1970-04-28 Grace W R & Co Ethylene-butene copolymer
US3622521A (en) * 1967-08-21 1971-11-23 Phillips Petroleum Co Olefin polymerization with chromium and titanium-containing compounds
US3798202A (en) * 1971-10-12 1974-03-19 Phillips Petroleum Co Polyolefin production
US3876602A (en) * 1971-11-26 1975-04-08 Union Carbide Corp Particulate catalyst injection method in polyolefin production
GB1429174A (en) * 1972-06-12 1976-03-24 Bp Chem Int Ltd Polymerisation process and catalyst

Cited By (178)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004645A3 (en) * 1978-03-31 1979-10-31 Union Carbide Corporation Low pressure preparation of ethylene copolymers in fluid bed reactor, copolymers obtained and films made therefrom
EP0011308A1 (en) * 1978-11-20 1980-05-28 Union Carbide Corporation Preparation of low density ethylene copolymers in fluid bed reactor
US6025448A (en) 1989-08-31 2000-02-15 The Dow Chemical Company Gas phase polymerization of olefins
US6538080B1 (en) 1990-07-03 2003-03-25 Bp Chemicals Limited Gas phase polymerization of olefins
US6534613B2 (en) 1998-02-18 2003-03-18 Eastman Chemical Company Process for producing polyethylene
US6228957B1 (en) 1998-02-18 2001-05-08 Eastman Chemical Company Process for producing polyethlene
US6271321B1 (en) 1998-02-18 2001-08-07 Eastman Chemical Company Process for producing polyethylene
US6191239B1 (en) 1998-02-18 2001-02-20 Eastman Chemical Company Process for producing polyethylene
US7652113B2 (en) 1998-10-27 2010-01-26 Westlake Longview Corporation Polyethylene copolymers having low n-hexane extractable
US6608152B2 (en) 1998-10-27 2003-08-19 Eastman Chemical Company Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom
EP2287211A1 (en) 1998-10-27 2011-02-23 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
US6291613B1 (en) 1998-10-27 2001-09-18 Eastman Chemical Company Process for the polymerization of olefins
EP2275456A1 (en) 1998-10-27 2011-01-19 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
EP2275455A1 (en) 1998-10-27 2011-01-19 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
EP2277923A1 (en) 1998-10-27 2011-01-26 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
EP2277925A1 (en) 1998-10-27 2011-01-26 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
US7893180B2 (en) 1998-10-27 2011-02-22 Westlake Longview Corp. Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefrom
EP2277924A1 (en) 1998-10-27 2011-01-26 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
EP2277922A1 (en) 1998-10-27 2011-01-26 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
US6417296B2 (en) 1999-03-30 2002-07-09 Eastman Chemical Company Process for producing polyolefins
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
US6288181B1 (en) 1999-03-30 2001-09-11 Eastman Chemical Company Process for producing polyolefins
US6417298B1 (en) 1999-06-07 2002-07-09 Eastman Chemical Company Process for producing ethylene/olefin interpolymers
US6417299B1 (en) 1999-06-07 2002-07-09 Eastman Chemical Company Process for producing ethylene/olefin interpolymers
US6586538B2 (en) 1999-08-31 2003-07-01 Eastman Chemical Company Process for producing polyolefins
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
US6187879B1 (en) 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
US6465383B2 (en) 2000-01-12 2002-10-15 Eastman Chemical Company Procatalysts, catalyst systems, and use in olefin polymerization
US6696380B2 (en) 2000-01-12 2004-02-24 Darryl Stephen Williams Procatalysts, catalyst systems, and use in olefin polymerization
US6677410B2 (en) 2000-01-12 2004-01-13 Eastman Chemical Company Procatalysts, catalyst systems, and use in olefin polymerization
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
EP2476728A2 (en) 2003-12-01 2012-07-18 Univation Technologies, LLC Low haze high strength polyethylene compositions
US7193017B2 (en) 2004-08-13 2007-03-20 Univation Technologies, Llc High strength biomodal polyethylene compositions
US7504055B2 (en) 2005-02-07 2009-03-17 Univation Technologies, Llc Polyethylene blend compositions
US7312279B2 (en) 2005-02-07 2007-12-25 Univation Technologies, Llc Polyethylene blend compositions
WO2010080870A2 (en) 2009-01-08 2010-07-15 Univation Technologies,Llc Additive for polyolefin polymerization processes
WO2011071900A2 (en) 2009-12-07 2011-06-16 Univation Technologies, Llc Methods for reducing static charge of a catalyst and methods for using the catalyst to produce polyolefins
WO2011075258A1 (en) 2009-12-18 2011-06-23 Univation Technologies, Llc Methods for making polyolefin products having different shear thinning properties and haze
WO2011103402A1 (en) 2010-02-22 2011-08-25 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
WO2011129956A1 (en) 2010-04-13 2011-10-20 Univation Technologies, Llc Polymer blends and films made therefrom
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
WO2013070601A2 (en) 2011-11-08 2013-05-16 Univation Technologies, Llc Methods of preparing a catalyst system
US9234060B2 (en) 2011-11-08 2016-01-12 Univation Technologies, Llc Methods of preparing a catalyst system
WO2013133956A2 (en) 2012-03-05 2013-09-12 Univation Technologies, Llc Methods for making catalyst compositions and polymer products produced therefrom
WO2014071119A1 (en) 2012-11-01 2014-05-08 Univation Technologies, Llc Mixed compatible ziegler-natta/chromium catalysts for improved polymer products
WO2014106143A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Supported catalyst with improved flowability
EP4039366A1 (en) 2012-12-28 2022-08-10 Univation Technologies, LLC Supported catalyst with improved flowability
WO2014123598A1 (en) 2013-02-07 2014-08-14 Univation Technologies, Llc Preparation of polyolefin
EP4223802A2 (en) 2013-02-07 2023-08-09 Univation Technologies, LLC Polymerization catalyst
WO2014143421A1 (en) 2013-03-15 2014-09-18 Univation Technologies, Llc Tridentate nitrogen based ligands for olefin polymerisation catalysts
WO2014149361A1 (en) 2013-03-15 2014-09-25 Univation Technologies, Llc Ligands for catalysts
EP3287473A1 (en) 2013-06-05 2018-02-28 Univation Technologies, LLC Protecting phenol groups
WO2014197169A1 (en) 2013-06-05 2014-12-11 Univation Technologies, Llc Protecting phenol groups
WO2015088624A1 (en) 2013-12-09 2015-06-18 Univation Technologies, Llc Feeding polymerization additives to polymerization processes
WO2015123172A1 (en) 2014-02-11 2015-08-20 Univation Technologies, Llc Method of producing polyethylene and polyethylene thereof
EP4317200A2 (en) 2014-02-11 2024-02-07 Univation Technologies, LLC Method of producing polyethylene
EP4212323A1 (en) 2014-06-16 2023-07-19 Univation Technologies, LLC A method of manufacturing a blow molded article
WO2015195189A1 (en) 2014-06-16 2015-12-23 Univation Technologies, Llc Polyethylene resins
WO2016028278A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
WO2016028276A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
WO2016028277A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
WO2017173074A1 (en) 2016-03-31 2017-10-05 Dow Global Technologies Llc An olefin polymerization catalyst
WO2017173079A1 (en) 2016-03-31 2017-10-05 Dow Global Technologies Llc Olefin polymerization catalyst systems and methods of use thereof
WO2017173080A1 (en) 2016-03-31 2017-10-05 Dow Global Technologies Llc Olefin polymerization catalyst systems and methods of use thereof
US10975172B2 (en) 2016-03-31 2021-04-13 Dow Global Technologies Llc Olefin polymerization catalyst
WO2018064048A1 (en) 2016-09-27 2018-04-05 Univation Technologies, Llc Method for long chain branching control in polyethylene production
US10968297B2 (en) 2016-09-30 2021-04-06 Dow Global Technologies Llc Thiourea group IV transition metal catalysts and polymerization systems
WO2018064493A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Phosphaguanidine group iv metal olefin polymerization catalysts
WO2018063799A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Thiourea group iv transition metal catalysts and polymerization systems
WO2018064461A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Bis-ligated phosphaguanidine group iv metal complexes and olefin polymerization catalysts produced therefrom
WO2018063813A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Thioguanidine group iv transition metal catalysts and polymerization systems
WO2018064339A1 (en) 2016-09-30 2018-04-05 Dow Global Technologies Llc Bis-phosphaguanidine and poly-phosphaguanidine ligands with group iv metal catalysts produced therefrom
WO2018089194A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Polyethylene composition
EP3778666A1 (en) 2016-11-08 2021-02-17 Univation Technologies, LLC Polyethylene composition
US10941284B2 (en) 2016-11-08 2021-03-09 Univation Technologies, Llc Polyethylene composition
WO2018089193A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Polyethylene composition
WO2018089195A1 (en) 2016-11-08 2018-05-17 Univation Technologies, Llc Bimodal polyethylene
US11142597B2 (en) 2016-11-08 2021-10-12 Univation Technologies, Llc Polyethylene composition
US11845855B2 (en) 2016-11-08 2023-12-19 Univation Technologies Llc Polyethylene composition
WO2019046085A1 (en) 2017-08-28 2019-03-07 Univation Technologies, Llc BIMODAL POLYETHYLENE
US11203653B2 (en) 2017-08-28 2021-12-21 Univation Technologies, Llc Bimodal polyethylene
WO2019051006A1 (en) 2017-09-11 2019-03-14 Univation Technologies, Llc BIMODAL POLYETHYLENE COMPOSITION CONTAINING CARBON BLACK
US11161924B2 (en) 2017-10-27 2021-11-02 Univation Technologies, Llc Polyethylene copolymer resins and films
WO2019083715A1 (en) 2017-10-27 2019-05-02 Univation Technologies, Llc SELECTIVE TRANSITION OF POLYMERIZATION PROCESS
US11161923B2 (en) 2017-10-27 2021-11-02 Univation Technologies, Llc Selectively transitioning polymerization processes
WO2019083716A1 (en) 2017-10-27 2019-05-02 Univation Technologies, Llc RESINS AND FILMS BASED ON A POLYETHYLENE COPOLYMER
US11325928B2 (en) 2017-12-05 2022-05-10 Univation Technologies, Llc Modified spray-dried Ziegler-Natta (pro)catalyst systems
WO2019112929A1 (en) 2017-12-05 2019-06-13 Univation Technologies, Llc Modified spray-dried ziegler-natta (pro)catalyst systems
WO2019112927A1 (en) 2017-12-05 2019-06-13 Univation Technologies, Llc Activated spray-dried ziegler-natta catalyst system
US11325927B2 (en) 2017-12-05 2022-05-10 Univation Technologies, Llc Activated spray-dried Ziegler-Natta catalyst system
WO2019125880A1 (en) 2017-12-18 2019-06-27 Dow Global Technologies Llc Hafnocene-titanocene catalyst system
WO2019125881A1 (en) 2017-12-18 2019-06-27 Dow Global Technologies Llc Zirconocene-titanocene catalyst system
US11421051B2 (en) 2017-12-18 2022-08-23 Dow Global Technologies Llc Zirconocene-titanocene catalyst system
US11142600B2 (en) 2018-03-19 2021-10-12 Univation Technologies, Llc Ethylene/1-hexene copolymer
WO2019182779A1 (en) 2018-03-19 2019-09-26 Univation Technologies, Llc Ethylene/1-hexene copolymer
WO2019190897A1 (en) 2018-03-26 2019-10-03 Dow Global Technologies Llc Spray-dried zirconocene catalyst system
WO2019190898A1 (en) 2018-03-28 2019-10-03 Univation Technologies, Llc Multimodal polyethylene composition
WO2019226344A1 (en) 2018-05-24 2019-11-28 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
WO2019241043A1 (en) 2018-06-12 2019-12-19 Dow Global Technologies Llc Activator-nucleator formulations
WO2019241044A1 (en) 2018-06-13 2019-12-19 Univation Technologies, Llc Spray-dried ziegler-natta (pro)catalyst systems
WO2019241045A1 (en) 2018-06-13 2019-12-19 Univation Technologies, Llc Bimodal polyethylene copolymer and film thereof
WO2020028220A1 (en) 2018-07-31 2020-02-06 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
WO2020028059A1 (en) 2018-07-31 2020-02-06 Dow Global Technologies Llc Polyethylene formulations for large part blow molding applications
WO2020028229A1 (en) 2018-07-31 2020-02-06 Univation Technologies, Llc Unimodal polyethylene copolymer and film thereof
WO2020046663A1 (en) 2018-08-29 2020-03-05 Univation Technologies, Llc Bimodal polyethylene copolymer and film thereof
WO2020046664A1 (en) 2018-08-29 2020-03-05 Univation Technologies, Llc Method of changing melt rheology property of bimodal polyethylene polymer
WO2020046406A1 (en) 2018-08-30 2020-03-05 Exxonmobil Chemical Patents Inc. Polymerization processes and polymers made therefrom
WO2020068413A1 (en) 2018-09-28 2020-04-02 Univation Technologies, Llc Bimodal polyethylene copolymer composition and pipe made thereof
WO2020092597A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. On-line adjustment of catalysts by trim and olefin polymerization
WO2020092599A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. Slurry trim catalyst feeder modifications
WO2020092587A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. On-line adjustment of mixed catalyst ratio by trim and olefin polymerization with the same
WO2020092584A2 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. In-line trimming of dry catalyst feed
WO2020092588A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. Mixed catalyst systems with properties tunable by condensing agent
WO2020092606A1 (en) 2018-11-01 2020-05-07 Exxonmobil Chemical Patents Inc. On-line adjustment of mixed catalyst ratio and olefin polymerization
WO2020096735A1 (en) 2018-11-06 2020-05-14 Dow Global Technologies Llc Method of olefin polymerization using alkane-soluble non-metallocene precatalyst
WO2020096732A1 (en) 2018-11-06 2020-05-14 Dow Global Technologies Llc Alkane-soluble non-metallocene precatalysts
WO2020096734A1 (en) 2018-11-06 2020-05-14 Dow Global Technologies Llc Alkane-soluble non-metallocene precatalysts
WO2020223191A1 (en) 2019-04-30 2020-11-05 Dow Global Technologies Llc Bimodal poly(ethylene-co-1-alkene) copolymer
WO2020223142A1 (en) 2019-04-30 2020-11-05 Dow Global Technologies Llc Metal-ligand complexes
EP4098670A1 (en) 2019-04-30 2022-12-07 Dow Global Technologies LLC Bimodal poly(ethylene-co-1-alkene) copolymer
WO2020223193A1 (en) 2019-04-30 2020-11-05 Dow Global Technologies Llc Bimodal poly(ethylene-co-1-alkene) copolymer
WO2020251764A1 (en) 2019-06-10 2020-12-17 Univation Technologies, Llc Polyethylene blend
US12202956B2 (en) 2019-08-26 2025-01-21 Dow Global Technologies Llc Bimodal polyethylene-based composition
WO2021041095A1 (en) 2019-08-26 2021-03-04 Dow Global Technologies Llc Bimodal polyethylene-based composition
WO2021061597A1 (en) 2019-09-26 2021-04-01 Univation Technologies, Llc Bimodal polyethylene homopolymer composition
WO2021154204A1 (en) 2020-01-27 2021-08-05 Formosa Plastics Corporation, U.S.A. Process for preparing catalysts and catalyst compositions
WO2021202486A1 (en) 2020-04-01 2021-10-07 Dow Global Technologies Llc Bimodal linear low density polyethylene copolymer
WO2021202483A1 (en) 2020-04-01 2021-10-07 Dow Global Technologies Llc Bimodal linear low density polyethylene copolymer
WO2021243216A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Spray-dried catalysts containing a germanium-bridged bis-biphenyl-phenoxy organometallic compound for making ethylene-based copolymers
WO2021242800A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated post-metallocene catalysts
EP4461753A2 (en) 2020-05-29 2024-11-13 Dow Global Technologies LLC Catalyst systems and processes for producing polyethylene using the same
EP4461752A2 (en) 2020-05-29 2024-11-13 Dow Global Technologies LLC Catalyst systems and processes for producing polyethylene using the same
WO2021243211A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2021242801A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated hybrid catalysts
WO2021243222A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2021243145A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Chemically converted catalysts
WO2021242678A1 (en) 2020-05-29 2021-12-02 Univation Technologies, Llc Single reactor bimodal polyethylene with improved modulus for extrusion blow molding drum applications
WO2021242792A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated post-metallocene catalysts
WO2021243214A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2021243158A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Chemically converted catalysts
WO2021242795A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Attenuated post-metallocene catalysts
WO2021243213A1 (en) 2020-05-29 2021-12-02 Dow Global Technologies Llc Catalyst systems and processes for producing polyethylene using the same
WO2022031397A1 (en) 2020-08-05 2022-02-10 Dow Global Technologies Llc Thermoplastic compositions comprising bimodal polyethylene and articles manufactured therefrom
WO2022031398A1 (en) 2020-08-05 2022-02-10 Dow Global Technologies Llc Thermoplastic compositions comprising recycled polymers and articles manufactured therefrom
WO2022072223A1 (en) 2020-09-30 2022-04-07 Univation Technologies, Llc Bimodal polyethylene copolymers for pe-80 pipe applications
WO2022081685A1 (en) 2020-10-15 2022-04-21 Dow Global Technologies Llc Olefin polymerization catalysts bearing a 6-amino-n-aryl azaindole ligand
WO2022174202A1 (en) 2021-02-11 2022-08-18 Exxonmobil Chemical Patents Inc. Process for polymerizing one or more olefins
WO2022173915A1 (en) 2021-02-15 2022-08-18 Dow Global Technologies Llc Method for making a poly(ethylene-co-1-alkene) copolymer with reverse comonomer distribution
WO2022187814A2 (en) 2021-03-05 2022-09-09 Exxonmobil Chemical Patents Inc. Processes for making and using slurry catalyst mixtures
WO2023064921A1 (en) 2021-10-15 2023-04-20 Univation Technologies, Llc Hdpe intermediate bulk container resin using advanced chrome catalyst by polyethylene gas phase technology
WO2023064917A1 (en) 2021-10-15 2023-04-20 Univation Technologies, Llc Hdpe lpbm resin using advanced chrome catalyst by polyethylene gas phase technology
WO2023069407A1 (en) 2021-10-21 2023-04-27 Univation Technologies, Llc Bimodal poly(ethylene-co-1-alkene) copolymer and blow-molded intermediate bulk containers made therefrom
WO2023096864A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a carbon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and poly ethylene copolymer resins in a gas phase polymerization reactor
WO2023096868A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a germanium bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor
WO2023096865A1 (en) 2021-11-23 2023-06-01 Dow Global Technologies Llc Supported catalyst systems containing a silocon bridged, anthracenyl substituted bis-biphenyl-phenoxy organometallic compound for making polyethylene and polyethylene copolymer resins in a gas phase polymerization reactor
WO2023239560A1 (en) 2022-06-09 2023-12-14 Formosa Plastics Corporaton, U.S.A. Clay composite support-activators and catalyst compositions
WO2024137235A1 (en) 2022-12-19 2024-06-27 Dow Global Technologies Llc Method of making a morphology-improved polyethylene powder
WO2024220175A1 (en) 2023-04-19 2024-10-24 Dow Global Technologies Llc Pipes including high density multimodal polyethylene compositions
WO2024253863A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253859A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253860A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253861A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysys comprising substituted 2-hydroxythiophene compounds
WO2024253864A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024253862A1 (en) 2023-06-08 2024-12-12 Dow Global Technologies Llc Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds
WO2024263748A1 (en) 2023-06-23 2024-12-26 Univation Technologies, Llc Single reactor-made bimodal high-density polyethylene copolymer and methods and articles
WO2025034361A1 (en) 2023-08-10 2025-02-13 Dow Global Technologies Llc Multimodal polyethylene compositions
WO2025101264A1 (en) 2023-11-09 2025-05-15 Dow Global Technologies Llc Multimodal polyethylene compositions
WO2025128220A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128219A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128214A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128217A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128218A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025128216A1 (en) 2023-12-12 2025-06-19 Dow Global Technologies Llc Additive for a catalyst
WO2025171254A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Catalysts for gas phase polymerization and process
WO2025171248A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Polyethylene catalyst system and process
WO2025171269A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Trimodal ethylene-based polymer composition and catalyst system
WO2025170769A1 (en) 2024-02-09 2025-08-14 Dow Global Technologies Llc Bimodal catalyst system and polymerization process

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