|
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
|
|
US6545088B1
(en)
|
1991-12-30 |
2003-04-08 |
Dow Global Technologies Inc. |
Metallocene-catalyzed process for the manufacture of EP and EPDM polymers
|
|
US5543480A
(en)
*
|
1994-06-28 |
1996-08-06 |
The Dow Chemical Company |
Polymerization process using diene containing catalysts
|
|
US5972822A
(en)
*
|
1994-08-02 |
1999-10-26 |
The Dow Chemical Company |
Biscyclopentadienyldiene complex containing addition polymerization catalysts
|
|
DE4431838A1
(de)
*
|
1994-09-07 |
1996-03-14 |
Basf Ag |
Geträgerte Metallocen-Katalysatorsysteme
|
|
US5625087A
(en)
*
|
1994-09-12 |
1997-04-29 |
The Dow Chemical Company |
Silylium cationic polymerization activators for metallocene complexes
|
|
US6030917A
(en)
|
1996-07-23 |
2000-02-29 |
Symyx Technologies, Inc. |
Combinatorial synthesis and analysis of organometallic compounds and catalysts
|
|
US6419881B1
(en)
|
1994-10-18 |
2002-07-16 |
Symyx Technologies, Inc. |
Combinatorial arrays of organometallic compounds and catalysts
|
|
US6440745B1
(en)
|
1994-10-18 |
2002-08-27 |
Symyx Technologies |
Combinatorial synthesis and screening of organometallic compounds and catalysts
|
|
US7153909B2
(en)
*
|
1994-11-17 |
2006-12-26 |
Dow Global Technologies Inc. |
High density ethylene homopolymers and blend compositions
|
|
WO1996016094A1
(en)
*
|
1994-11-23 |
1996-05-30 |
The Dow Chemical Company |
Preparation of syndiotactic polyolefins from prochiral olefins
|
|
US5721183A
(en)
*
|
1995-03-10 |
1998-02-24 |
The Dow Chemical Company |
Catalyst system comprising amine or phosphine adducts of tris(organyl)borane compounds
|
|
US5795941A
(en)
*
|
1995-10-03 |
1998-08-18 |
The Dow Chemical Company |
Crosslinkable bimodal polyolefin compositions
|
|
US5814714A
(en)
*
|
1995-11-30 |
1998-09-29 |
The Dow Chemical Company |
Mono-olefin/polyene interpolymers, method of preparation, compositions containing the same, and articles made thereof
|
|
US5679816A
(en)
*
|
1996-01-03 |
1997-10-21 |
The Dow Chemical Company |
Preparation of biscyclopentadienyl diene complexes
|
|
AU716317B2
(en)
*
|
1996-01-22 |
2000-02-24 |
Dow Chemical Company, The |
Polyolefin elastomer blends exhibiting improved properties
|
|
DE69703438T2
(de)
|
1996-03-29 |
2001-03-08 |
The Dow Chemical Co., Midland |
Metallocen cokatalysator
|
|
JPH09309926A
(ja)
*
|
1996-05-17 |
1997-12-02 |
Dow Chem Co:The |
エチレン共重合体の製造方法
|
|
JP2000513399A
(ja)
|
1996-06-17 |
2000-10-10 |
エクソン・ケミカル・パテンツ・インク |
オレフィン重合用の混合遷移金属触媒系
|
|
EP0909279B1
(de)
|
1996-07-04 |
2001-04-25 |
Basf Aktiengesellschaft |
Verfahren zur herstellung von geträgerten übergangsmetallkatalysatoren
|
|
KR100466733B1
(ko)
*
|
1996-07-23 |
2005-01-24 |
다우 글로벌 테크놀로지스 인크. |
13족 화합물을 포함하는 올레핀 중합 촉매 조성물
|
|
US5939503A
(en)
*
|
1996-08-09 |
1999-08-17 |
California Institute Of Technology |
Group IV zwitterion ansa metallocene (ZAM) catalysts for α-olefin polymerization
|
|
WO1998006759A1
(en)
*
|
1996-08-09 |
1998-02-19 |
California Institute Of Technology |
Group iv zwitterion ansa metallocene (zam) catalysts for alpha-olefin polymerization
|
|
US5849823A
(en)
*
|
1996-09-04 |
1998-12-15 |
The Dow Chemical Company |
Homogeneously branched ethylene α-olefin interpolymer compositions for use in gasket applications
|
|
US6720186B1
(en)
|
1998-04-03 |
2004-04-13 |
Symyx Technologies, Inc. |
Method of research for creating and testing novel catalysts, reactions and polymers
|
|
US6812289B2
(en)
|
1996-12-12 |
2004-11-02 |
Dow Global Technologies Inc. |
Cast stretch film of interpolymer compositions
|
|
US5965756A
(en)
*
|
1996-12-19 |
1999-10-12 |
The Dow Chemical Company |
Fused ring substituted indenyl metal complexes and polymerization process
|
|
US5747406A
(en)
*
|
1997-01-10 |
1998-05-05 |
Union Carbide Chemicals & Plastics Technology Corporation |
Catalyst composition for the production of olefin polymers
|
|
AR012582A1
(es)
|
1997-04-14 |
2000-11-08 |
Dow Global Technologies Inc |
Composiciones polimericas de elongacion mejorada y formulaciones adhesivas de fusion en caliente que incluyen dicha composicion
|
|
US6420507B1
(en)
|
1997-05-01 |
2002-07-16 |
The Dow Chemical Company |
Olefin polymers prepared with substituted indenyl containing metal complexes
|
|
US6262161B1
(en)
|
1997-06-26 |
2001-07-17 |
The Dow Chemical Company |
Compositions having improved ignition resistance
|
|
ID24299A
(id)
|
1997-08-08 |
2000-07-13 |
Dow Chemical Co |
Bahan lembaran yang sesuai digunakan sebagai bahan penutup lantai, dinding atau langit-langit, dan proses-proses dan zat perantara untuk pembuatannya
|
|
TR200000397T2
(tr)
|
1997-08-15 |
2000-06-21 |
The Dow Chemical Company |
Esas itibariyle türdeş olan doğrusal olefin polimeri bileşimlerinden üretilen filmler.
|
|
WO1999010392A1
(en)
|
1997-08-27 |
1999-03-04 |
The Dow Chemical Company |
Elastomers with improved processability
|
|
US6150297A
(en)
|
1997-09-15 |
2000-11-21 |
The Dow Chemical Company |
Cyclopentaphenanthrenyl metal complexes and polymerization process
|
|
US6235917B1
(en)
|
1998-08-28 |
2001-05-22 |
The Dow Chemical Company |
Dinuclear complexes and polymerization catalysts therefrom
|
|
US6284698B1
(en)
|
1997-09-15 |
2001-09-04 |
The Dow Chemical Company |
Highly activated bimetallic complexes and polymerization process
|
|
BR9812308A
(pt)
*
|
1997-09-15 |
2000-09-05 |
Dow Chemical Co |
Complexos bimetálicos, catalisadores feitos destes
|
|
US6630545B2
(en)
|
1997-09-15 |
2003-10-07 |
The Dow Chemical Company |
Polymerization process
|
|
US6696379B1
(en)
|
1997-09-19 |
2004-02-24 |
The Dow Chemical Company |
Supported modified alumoxane catalyst activator
|
|
DE19757524A1
(de)
*
|
1997-12-23 |
1999-06-24 |
Bayer Ag |
eta-Komplex-Verbindungen
|
|
ATE222913T1
(de)
*
|
1998-03-11 |
2002-09-15 |
Dow Chemical Co |
Integriertes verfahren zur herstellung von dien- komplexen
|
|
BR9908805A
(pt)
|
1998-03-11 |
2000-10-31 |
Dow Chemical Co |
Composições termoplásticas de misturas de materiais poliméricos com termoplásticos de engenharia
|
|
US6699573B1
(en)
|
1998-03-16 |
2004-03-02 |
Dow Global Technologies Inc. |
Liner compositions
|
|
AR018359A1
(es)
*
|
1998-05-18 |
2001-11-14 |
Dow Global Technologies Inc |
Articulo resistente al calor , configurado, irradiado y reticulado, libre de un agente de reticulacion de silano
|
|
JP2002517339A
(ja)
|
1998-06-12 |
2002-06-18 |
アベリー・デニソン・コーポレイション |
多層熱可塑性フィルムおよびそれを用いるサインカット方法
|
|
ATE222257T1
(de)
|
1998-08-11 |
2002-08-15 |
Dow Chemical Co |
Katalysatoraktivatorverbindung
|
|
AU4440399A
(en)
|
1998-08-17 |
2000-03-06 |
Dow Chemical Company, The |
Three coordinate aluminum catalyst activator composition
|
|
ATE220682T1
(de)
|
1998-08-17 |
2002-08-15 |
Dow Chemical Co |
Aluminiumverbindungsmischung-enthaltende aktivatorzusammensetzung
|
|
JP4480891B2
(ja)
|
1998-09-16 |
2010-06-16 |
ダウ グローバル テクノロジーズ インコーポレーテッド |
2核フルオロアリールアルミニウムアルキル錯体
|
|
DE69903746T2
(de)
|
1998-09-16 |
2003-07-24 |
The Dow Chemical Co., Midland |
Funktionalisierter katalysatorträger und geträgerte katalysatorsysteme
|
|
ES2666708T3
(es)
|
1998-11-02 |
2018-05-07 |
Dow Global Technologies Llc |
Interpolímeros reo-fluidificantes de etileno/alfa-olefina y su preparación
|
|
US6680361B1
(en)
*
|
1998-11-02 |
2004-01-20 |
Dupont Dow Elastomers Llc |
Shear thinning ethylene/α-olefin interpolymers and their preparation
|
|
US6187232B1
(en)
|
1998-12-04 |
2001-02-13 |
The Dow Chemical Company |
Acoustical insulation foams
|
|
US6048909A
(en)
*
|
1998-12-04 |
2000-04-11 |
The Dow Chemical Company |
Foams having increased heat distortion temperature made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
|
|
US5993707A
(en)
*
|
1998-12-04 |
1999-11-30 |
The Dow Chemical Company |
Enlarged cell size foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
|
|
WO2000034385A1
(en)
|
1998-12-08 |
2000-06-15 |
The Dow Chemical Company |
Mel-bondable polypropylene/ethylene polymer fiber and composition for making the same
|
|
US6015916A
(en)
*
|
1999-02-02 |
2000-01-18 |
Boulder Scientific Company |
Constrained geometry metallocene catalyst complexes
|
|
BR0009878A
(pt)
*
|
1999-04-20 |
2002-10-15 |
Bp Chem Int Ltd |
Processo para preparação de um catalisador de polimerização de olefina e composição de catalisador suportado
|
|
WO2000069870A1
(en)
|
1999-05-13 |
2000-11-23 |
The Dow Chemical Company |
Metal complexes containing bridging heteroatom for olefin-polymerization-process
|
|
EP1178997B1
(en)
|
1999-05-13 |
2003-03-05 |
Dow Global Technologies Inc. |
Di-and tri-heteroatom substituted indenyl metal complexes
|
|
US6211311B1
(en)
*
|
1999-05-25 |
2001-04-03 |
Equistar Chemicals, L.P. |
Supported olefin polymerization catalysts
|
|
US6362270B1
(en)
|
1999-08-12 |
2002-03-26 |
The Dow Chemical Company |
Thermoplastic compositions for durable goods applications
|
|
US6524702B1
(en)
|
1999-08-12 |
2003-02-25 |
Dow Global Technologies Inc. |
Electrical devices having polymeric members
|
|
CA2381788A1
(en)
|
1999-08-17 |
2001-02-22 |
The Dow Chemical Company |
Free-flowing polymer composition
|
|
US6369176B1
(en)
|
1999-08-19 |
2002-04-09 |
Dupont Dow Elastomers Llc |
Process for preparing in a single reactor polymer blends having a broad molecular weight distribution
|
|
US6090962A
(en)
*
|
1999-09-28 |
2000-07-18 |
The Dow Chemical Company |
Preparation of titanium(II) or zirconium(II) complexes
|
|
US6673735B1
(en)
|
1999-11-24 |
2004-01-06 |
Dow Global Technologies Inc. |
Preparation of catalyst compositions
|
|
US6417276B2
(en)
|
2000-01-07 |
2002-07-09 |
The Dow Chemical Company |
Thermoformable ethylene/styrene interpolymer-based polymer blend film for three-dimensional transfer finish foil
|
|
US6160029A
(en)
*
|
2000-03-08 |
2000-12-12 |
The Dow Chemical Company |
Olefin polymer and α-olefin/vinyl or α-olefin/vinylidene interpolymer blend foams
|
|
US6649671B2
(en)
|
2000-03-13 |
2003-11-18 |
Dow Global Technologies Inc. |
Concrete and process to make same
|
|
US6809209B2
(en)
|
2000-04-07 |
2004-10-26 |
Exxonmobil Chemical Patents Inc. |
Nitrogen-containing group-13 anionic compounds for olefin polymerization
|
|
DE60138708D1
(de)
|
2000-06-30 |
2009-06-25 |
Dow Global Technologies Inc |
Polyzyklische, kondensierte ringverbindungen, meta
|
|
US6806327B2
(en)
|
2000-06-30 |
2004-10-19 |
Dow Global Technologies Inc. |
Substituted polycyclic, fused ring compounds, metal complexes and polymerization process
|
|
CN1447837A
(zh)
|
2000-07-20 |
2003-10-08 |
陶氏环球技术公司 |
由烯基芳族聚合物和α-烯烃/乙烯基或亚乙烯基芳族共聚体的共混物得到的泡沫组合物
|
|
US6559230B2
(en)
|
2000-09-29 |
2003-05-06 |
Dupont Dow Elastomers L.L.C. |
Thermosetting ethylene/alpha-olefin composition and safety glass interlayer film made from the composition
|
|
US6590034B2
(en)
|
2001-01-02 |
2003-07-08 |
Dow Global Technologies Inc. |
Peelable seal and method of making and using same
|
|
US6455719B1
(en)
*
|
2001-01-17 |
2002-09-24 |
Boulder Scientific Company |
Constrained geometry ligands and complexes derived therefrom
|
|
US6946520B2
(en)
*
|
2001-02-27 |
2005-09-20 |
Dow Global Technologies, Inc. |
Fabricated articles prepared from blends of substantially random ethylene/propylene/vinyl aromatic interpolymers with polypropylene
|
|
US6953501B2
(en)
|
2001-08-10 |
2005-10-11 |
Inventions & Discoveries, Llc |
Wood treatment composition and method of use
|
|
ATE287924T1
(de)
*
|
2001-08-31 |
2005-02-15 |
Dow Global Technologies Inc |
Multimodal polyethylenmaterial
|
|
WO2003037937A1
(en)
*
|
2001-10-18 |
2003-05-08 |
The Dow Chemical Company |
Diene functionalized catalyst supports and supported catalyst compositions
|
|
US20040106739A1
(en)
*
|
2002-02-19 |
2004-06-03 |
Cheung Yunwa Wilson |
Blends of substantially random interpolymers with enhanced thermal performance
|
|
EP1487887A2
(en)
*
|
2002-03-14 |
2004-12-22 |
Dow Global Technologies Inc. |
Polycyclic, fused heteroring compounds, metal complexes and polymerization process
|
|
ES2307956T3
(es)
*
|
2002-03-14 |
2008-12-01 |
Dow Global Technologies Inc. |
Complejos metalicos con indenilo sustituido y procedimientos de polimerizacion.
|
|
WO2003087114A1
(en)
*
|
2002-04-12 |
2003-10-23 |
Dow Global Technologies Inc. |
Azaborolyl group 4 metal complexes, catalysts and olefin polymerization process
|
|
US6846884B2
(en)
*
|
2002-09-27 |
2005-01-25 |
Union Carbide Chemicals & Plastics Technology Corporation |
Control of resin properties
|
|
CN100509872C
(zh)
|
2002-12-13 |
2009-07-08 |
陶氏环球技术公司 |
含有13族氨化物衍生物的烯烃聚合催化剂组合物
|
|
FI20030610A0
(fi)
*
|
2003-04-22 |
2003-04-22 |
Raisio Benecol Oy |
Syötävä tuote
|
|
US6927264B2
(en)
*
|
2003-05-28 |
2005-08-09 |
Dow Global Technologies Inc. |
Metal complexes and polymerization process using same
|
|
JP4090389B2
(ja)
*
|
2003-06-10 |
2008-05-28 |
株式会社日立製作所 |
核磁気共鳴装置
|
|
GB0401348D0
(en)
*
|
2004-01-22 |
2004-02-25 |
Bp Chem Int Ltd |
Polymerisation process
|
|
AU2005224257B2
(en)
|
2004-03-17 |
2010-08-19 |
Dow Global Technologies Inc. |
Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation
|
|
SG151310A1
(en)
|
2004-03-17 |
2009-04-30 |
Dow Global Technologies Inc |
Catalyst composition comprising shuttling agent for ethylene copolymer formation
|
|
RU2375381C2
(ru)
|
2004-03-17 |
2009-12-10 |
Дау Глобал Текнолоджиз Инк. |
Состав катализатора, содержащий челночный агент, для формирования мульти-блок-сополимера высшего олефина
|
|
CN103102442B
(zh)
|
2004-06-16 |
2016-01-20 |
陶氏环球技术有限责任公司 |
选择聚合改性剂的方法
|
|
WO2006004750A1
(en)
*
|
2004-06-28 |
2006-01-12 |
Dow Global Technoligies Inc. |
Adhesion promoters for multistrucural laminates
|
|
US9410009B2
(en)
|
2005-03-17 |
2016-08-09 |
Dow Global Technologies Llc |
Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
|
|
CA2600140A1
(en)
|
2005-03-17 |
2006-09-28 |
Dow Global Technologies Inc. |
Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
|
|
CN101142245B
(zh)
|
2005-03-17 |
2012-08-08 |
陶氏环球技术有限责任公司 |
用于形成立体无规多嵌段共聚物的包含梭移剂的催化剂组合物
|
|
DE602006019087D1
(de)
*
|
2005-05-10 |
2011-02-03 |
Ineos Europe Ltd |
Neue copolymere
|
|
EP1731536A1
(en)
*
|
2005-06-09 |
2006-12-13 |
Innovene Manufacturing France SAS |
Supported polymerisation catalysts
|
|
MY148274A
(en)
*
|
2005-07-08 |
2013-03-29 |
Dow Global Technologies Inc |
Layered film compositions, packages prepared therefrom, and methods of use
|
|
KR101369090B1
(ko)
*
|
2005-07-11 |
2014-03-06 |
다우 글로벌 테크놀로지스 엘엘씨 |
실란 그래프팅된 올레핀 중합체, 그로부터 제조된 조성물및 물품, 및 그의 제조 방법
|
|
EP1940897B1
(en)
|
2005-09-15 |
2014-05-07 |
Dow Global Technologies LLC |
Control of polymer architecture and molecular weight distribution via multi-centered shuttling agent
|
|
KR20080055837A
(ko)
|
2005-09-15 |
2008-06-19 |
다우 글로벌 테크놀로지스 인크. |
중합가능한 셔틀링제를 통한 촉매성 올레핀 블럭 공중합체
|
|
EP1984407A2
(en)
*
|
2006-01-11 |
2008-10-29 |
Ineos Europe Limited |
Supported catalyst system
|
|
KR101501400B1
(ko)
|
2006-06-15 |
2015-03-10 |
다우 글로벌 테크놀로지스 엘엘씨 |
관능화된 올레핀 혼성중합체, 조성물 및 이로부터 제조된 제품, 및 이의 제조 방법
|
|
AU2006348445B2
(en)
|
2006-09-21 |
2011-03-10 |
Union Carbide Chemicals & Plastics Technology Llc |
Method of controlling properties in multimodal systems
|
|
ITMI20070877A1
(it)
|
2007-05-02 |
2008-11-03 |
Dow Global Technologies Inc |
Processo per la produzione di copolimeri a blocchi multipli con l'utilizzo di solventi polari
|
|
ITMI20070878A1
(it)
|
2007-05-02 |
2008-11-03 |
Dow Global Technologies Inc |
Processo per la polimerizzazine di polimeri tattici con l'uso di catalizzatori chirali
|
|
EP2221323B1
(en)
*
|
2007-12-05 |
2012-05-02 |
Mitsui Chemicals, Inc. |
Copolymer rubber, rubber composition, and molded rubber
|
|
CN102471393B
(zh)
|
2009-07-29 |
2013-12-04 |
陶氏环球技术有限责任公司 |
多功能链穿梭剂
|
|
US20110054122A1
(en)
*
|
2009-08-31 |
2011-03-03 |
Jerzy Klosin |
Catalyst and process for polymerizing an olefin and polyolefin prepared thereby
|
|
KR101827023B1
(ko)
|
2010-02-19 |
2018-02-07 |
다우 글로벌 테크놀로지스 엘엘씨 |
금속-리간드 착체 및 촉매
|
|
ES2738498T3
(es)
|
2010-02-19 |
2020-01-23 |
Dow Global Technologies Llc |
Proceso para polimerizar un monómero de olefina y catalizador para el mismo
|
|
WO2012103080A1
(en)
|
2011-01-26 |
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|
|
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(en)
|
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|
|
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(ja)
|
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|
|
US8841379B2
(en)
|
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|
|
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(en)
|
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|
|
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|
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|
|
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(pt)
|
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|
|
US11174329B2
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|
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|
|
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|
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|
|
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|
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|
|
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|
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|
|
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|
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|
|
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|
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|
|
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(zh)
*
|
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|
|
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|
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|
|
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|
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