BR0014232A - Massas de moldagem de polietileno com relação de rigidez ao escr e quota de inchação aperfeiçoadas, processos para a sua preparação e sua aplicação - Google Patents
Massas de moldagem de polietileno com relação de rigidez ao escr e quota de inchação aperfeiçoadas, processos para a sua preparação e sua aplicaçãoInfo
- Publication number
- BR0014232A BR0014232A BR0014232-8A BR0014232A BR0014232A BR 0014232 A BR0014232 A BR 0014232A BR 0014232 A BR0014232 A BR 0014232A BR 0014232 A BR0014232 A BR 0014232A
- Authority
- BR
- Brazil
- Prior art keywords
- weight
- ratio
- range
- molecular
- processes
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C08F10/02—Ethene
-
- 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
- C08L23/06—Polyethene
-
- 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
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
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)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Polymerisation Methods In General (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Patente de Invenção: "MASSAS DE MOLDAGEM DE POLIETILENO COM RELAçãO DE RIGIDEZ AO ESCR E QUOTA DE INCHAçãO APERFEIçOADAS, PROCESSOS PARA A SUA PREPARAçãO E SUA APLICAçãO". A invenção refere-se a uma massa de moldagem de polietileno com distribuição da massa molar multimodal, que possui uma densidade total de <242> 0,940 g/cm^ 3^ e um MFI~ 190/5~ na faixa de 0,01 até 10 dg/min. A massa de moldagem de acordo com a invenção contém uma quantidade de 30 até 60%, em peso, de homopolímero de etileno A de baixo peso molecular, que possui um índice de viscosidade VZA na faixa de 40 até 150 cm^ 3^/g, uma quantidade de 30 até 65 em peso, de copolímero B de peso molecular elevado de etileno e uma outra olefina com 4 até 10 átomos de carbono, que possui um índice de viscosidade VZ~ B~ na faixa de 150 até 800 cm^ 3^/g e uma quantidade de 1 até 30%, em peso, de homopolímero de etileno C de peso molecular superelevado, que possui um índice de viscosidade VZc na faixa de 900 até 3000 cm^ 3^/g. A invenção refere-se também a um processo para preparar a massa de moldagem em um processo de três etapas e sua aplicação para a preparação de corpos ocos.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19945980A DE19945980A1 (de) | 1999-09-24 | 1999-09-24 | Polyethylen Formmasse mit verbesserter ESCR-Steifigkeitsrelation und Schwellrate, Verfahren zu ihrer Herstellung und daraus hergestellte Hohlkörper |
PCT/EP2000/008817 WO2001023446A1 (de) | 1999-09-24 | 2000-09-09 | Polyethylen formmasse mit verbesserter escr-steifigkeitsrelation und schwellrate, verfahren zu ihrer herstellung und ihre verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0014232A true BR0014232A (pt) | 2002-06-04 |
BR0014232B1 BR0014232B1 (pt) | 2010-08-24 |
Family
ID=7923276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0014232-8A BR0014232B1 (pt) | 1999-09-24 | 2000-09-09 | massa de moldagem de polietileno, processo para preparÁ-la e sua aplicaÇço. |
Country Status (14)
Country | Link |
---|---|
US (1) | US6713561B1 (pt) |
EP (1) | EP1228101B1 (pt) |
JP (1) | JP2003510429A (pt) |
KR (1) | KR100654593B1 (pt) |
CN (1) | CN1162453C (pt) |
AT (1) | ATE244264T1 (pt) |
AU (1) | AU769434B2 (pt) |
BR (1) | BR0014232B1 (pt) |
CA (1) | CA2387708C (pt) |
DE (2) | DE19945980A1 (pt) |
ES (1) | ES2200919T3 (pt) |
RU (1) | RU2249018C2 (pt) |
WO (1) | WO2001023446A1 (pt) |
ZA (1) | ZA200202267B (pt) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9919718D0 (en) | 1999-08-19 | 1999-10-20 | Borealis As | Process |
US20030113496A1 (en) | 2001-12-17 | 2003-06-19 | Harris Michael G. | Polyethylene melt blends for high density polyethylene applications |
US6822051B2 (en) | 2002-03-29 | 2004-11-23 | Media Plus, Inc. | High density polyethylene melt blends for improved stress crack resistance in pipe |
EP1357152A1 (en) * | 2002-04-26 | 2003-10-29 | Solvay Polyolefins Europe-Belgium (Société Anonyme) | Polymer for fuel tanks |
DE10259491A1 (de) * | 2002-12-19 | 2004-07-01 | Basell Polyolefine Gmbh | Polyethylen Formmasse zum Herstellen von Behältern durch Blasformen und damit hergestellte Kleinhohlkörper |
ATE332936T1 (de) * | 2002-12-19 | 2006-08-15 | Basell Polyolefine Gmbh | Polyethylen-giesszusammensetzung zum herstellen von behältern durch blasformen uns damit herrgestellte kleine blasformlinge |
ES2268470T3 (es) * | 2002-12-24 | 2007-03-16 | Basell Polyolefine Gmbh | Composicion de polietileno para el moldeo por soplado destinadada a la produccion de grandes recipientes. |
ATE332938T1 (de) * | 2002-12-24 | 2006-08-15 | Basell Polyolefine Gmbh | Poylethylenzusammensetzung zur herstellungvon l- ring-containern |
JP2006512474A (ja) * | 2002-12-24 | 2006-04-13 | バーゼル・ポリオレフィン・ゲーエムベーハー | ジェリー缶を製造するためのポリエチレン吹込成形用組成物 |
DE10261066A1 (de) * | 2002-12-24 | 2004-07-08 | Basell Polyolefine Gmbh | Polyethylen Formmasse zum Herstellen von Behältern durch Blasformen und damit hergestellte Kanister |
DE10261064A1 (de) * | 2002-12-24 | 2004-07-08 | Basell Polyolefine Gmbh | Polyethylen Formmasse zum Herstellen von Behältern duch Blasformen und damit hergestellte L-Ring-Container |
US7288596B2 (en) * | 2003-12-22 | 2007-10-30 | Univation Technologies, Llc | Polyethylene compositions having improved tear properties |
US7379696B2 (en) * | 2004-04-30 | 2008-05-27 | Ricoh Company Limited | Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner |
GB0418581D0 (en) * | 2004-08-20 | 2004-09-22 | Solvay | Polymer composition |
DE102004055587A1 (de) | 2004-11-18 | 2006-05-24 | Basell Polyolefine Gmbh | Polyethylen Formmasse für die äußere Ummantelung von Elektrokabeln |
DE102004055588A1 (de) | 2004-11-18 | 2006-05-24 | Basell Polyolefine Gmbh | Polyethylen Formmasse für die Beschichtung von Stahlrohren |
KR20070084303A (ko) * | 2004-11-18 | 2007-08-24 | 바젤 폴리올레핀 게엠베하 | 전기 케이블 외장용 폴리에틸렌 성형 조성물 |
DE102005009895A1 (de) * | 2005-03-01 | 2006-09-07 | Basell Polyolefine Gmbh | Polyethylen Formmasse zum Herstellen von Blasfolien mit verbesserten mechanischen Eigenschaften |
DE102005009916A1 (de) * | 2005-03-01 | 2006-09-07 | Basell Polyolefine Gmbh | Polyethylen Formmasse zum Herstellen von Blasfolien mit verbesserten mechanischen Eigenschaften |
DE102005009896A1 (de) * | 2005-03-01 | 2006-09-07 | Basell Polyolefine Gmbh | Polyethylen Formmasse zum Herstellen von Blasfolien mit verbesserten mechanischen Eigenschaften |
DE102005030941A1 (de) | 2005-06-30 | 2007-01-11 | Basell Polyolefine Gmbh | Polyethylen Formmasse zur Herstellung von spritzgegossenen Fertigteilen |
DE102005040390A1 (de) | 2005-08-25 | 2007-03-01 | Basell Polyolefine Gmbh | Multimodale Polyethylen Formmasse zur Herstellung von Rohren mit verbesserten mechanischen Eigenschaften |
US20090272721A1 (en) * | 2005-09-28 | 2009-11-05 | Tadahiro Ohmi | Athmosphere-Controlled Bonding Apparatus, Bonding Method, and Electronic Device |
EP1772485A1 (en) | 2005-10-07 | 2007-04-11 | Borealis Technology Oy | Polyethylene composition with improved stress crack resistance/stiffness relation for blow moulding |
EP1840140A1 (en) * | 2006-03-30 | 2007-10-03 | Total Petrochemicals Research Feluy | Method for making a transition between polymer grades |
AU2007235428B2 (en) * | 2006-04-07 | 2012-12-20 | Dow Global Technologies Llc | Polyolefin compositions, articles made therefrom and methods for preparing the same |
US7893181B2 (en) * | 2006-07-11 | 2011-02-22 | Fina Technology, Inc. | Bimodal film resin and products made therefrom |
US7449529B2 (en) * | 2006-07-11 | 2008-11-11 | Fina Technology, Inc. | Bimodal blow molding resin and products made therefrom |
US20080051538A1 (en) * | 2006-07-11 | 2008-02-28 | Fina Technology, Inc. | Bimodal pipe resin and products made therefrom |
ATE477284T1 (de) * | 2006-10-24 | 2010-08-15 | Basell Polyolefine Gmbh | Multimodale polyethylenformmasse zur herstellung von rohren mit verbesserten mechanischen eigenschaften |
KR101099205B1 (ko) | 2006-11-27 | 2011-12-27 | 주식회사 엘지화학 | 폴리에틸렌 수지의 제조방법 |
ATE551392T1 (de) | 2007-01-16 | 2012-04-15 | Prime Polymer Co Ltd | Ethylenharzzusammensetzung für blasgeformten körper und damit erhaltener blasgeformter körper |
EP1950241A1 (en) | 2007-01-25 | 2008-07-30 | Borealis Technology Oy | Multimodal medium density polyethylene polymer composition |
DE102007016348A1 (de) * | 2007-04-03 | 2008-10-09 | Basell Polyolefine Gmbh | Polyethylen Formmasse zum Herstellen von Hohlkörpern durch Thermoformen und damit hergestellte Kraftstoffbehälter |
DE102007031450A1 (de) * | 2007-07-05 | 2009-01-08 | Basell Polyolefine Gmbh | PE-Formmasse zum Blasformen von Kleinhohlkörpern mit niedriger Dichte |
DE102007031449A1 (de) * | 2007-07-05 | 2009-01-08 | Basell Polyolefine Gmbh | PE-Formmasse zum Blasformen von Kleinhohlkörpern mit niedriger Dichte |
WO2009077142A1 (en) * | 2007-12-18 | 2009-06-25 | Basell Polyolefine Gmbh | Pe moulding composition for producing injection-molded screw cap closures and high-strenght screw cap closure for carbonated beverages produced therewith |
CN101965368B (zh) | 2007-12-31 | 2014-08-27 | 陶氏环球技术有限责任公司 | 基于乙烯的聚合物组合物及其制备方法和由其制备的制品 |
CN102197078B (zh) * | 2008-08-28 | 2013-12-11 | 陶氏环球技术有限责任公司 | 用于注射吹塑的方法和组合物 |
US9187627B2 (en) * | 2008-10-23 | 2015-11-17 | Equistar Chemicals, Lp | Polyethylene having faster crystallization rate and improved environmental stress cracking resistance |
RU2545063C2 (ru) * | 2009-06-03 | 2015-03-27 | Базелль Полиолефине Гмбх | Полиэтиленовая композиция и полученные из нее готовые изделия |
ES2421297T3 (es) * | 2009-06-30 | 2013-08-30 | Basell Polyolefine Gmbh | Composición para el moldeo de polietileno |
WO2011060954A1 (en) | 2009-11-20 | 2011-05-26 | Basell Polyolefine Gmbh | Novel trimodal polyethylene for use in blow moulding |
EP2643141B1 (en) * | 2010-11-22 | 2017-03-15 | Basell Polyolefine GmbH | Blow molded article comprising trimodal polyethylene |
CN103347950B (zh) | 2011-01-28 | 2016-05-25 | 博里利斯股份公司 | 聚乙烯组合物 |
EP2699635B2 (en) | 2011-04-19 | 2018-10-24 | Basell Polyolefine GmbH | Polymer composition for use in blow moulding |
GB2498936A (en) * | 2012-01-31 | 2013-08-07 | Norner Innovation As | Polyethylene with multi-modal molecular weight distribution |
EP2746334B1 (en) | 2012-12-19 | 2015-05-13 | Borealis AG | Polyethylene blend with improved ESCR |
EP2818508A1 (en) * | 2013-06-25 | 2014-12-31 | Basell Polyolefine GmbH | Polyethylene composition having high impact and stress cracking resistance |
GB201313937D0 (en) | 2013-08-05 | 2013-09-18 | Ineos Europe Ag | Polymerisation process |
EP2860203B1 (en) | 2013-10-10 | 2016-12-14 | Borealis AG | Multistage process for producing polyethylene compositions |
JP2017519865A (ja) * | 2014-06-16 | 2017-07-20 | ユニベーション・テクノロジーズ・エルエルシー | ポリエチレン樹脂 |
CN107108766B (zh) * | 2014-11-13 | 2019-02-22 | 道达尔研究技术弗吕公司 | 经茂金属催化的聚乙烯树脂 |
HUE047431T2 (hu) * | 2016-09-12 | 2020-04-28 | Thai Polyethylene Co Ltd | Multimodális polietilén csõ |
RU2759904C2 (ru) | 2016-09-12 | 2021-11-18 | Тай Полиэтилен Ко., Лтд. | Бимодальная полиэтиленовая композиция и содержащая ее труба |
EP3293212B1 (en) * | 2016-09-12 | 2023-02-22 | Thai Polyethylene Co., Ltd. | Polymer composition for container closures |
EP3293206B1 (en) * | 2016-09-12 | 2019-10-23 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene pipe |
HUE046743T2 (hu) | 2016-09-12 | 2020-03-30 | Thai Polyethylene Co Ltd | Multimodális polietilén tartály |
HUE047424T2 (hu) * | 2016-09-12 | 2020-04-28 | Thai Polyethylene Co Ltd | Multimodális polietilén vékony film |
EP3293210B1 (en) | 2016-09-12 | 2019-03-06 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene film |
PT3530675T (pt) | 2016-09-12 | 2021-07-23 | Scg Chemicals Co Ltd | Sistema de reator para polimerização de polietileno multimodal |
EP3293214B1 (en) * | 2016-09-12 | 2019-12-25 | Thai Polyethylene Co., Ltd. | High performances multimodal ultra high molecular weight polyethylene |
HUE045763T2 (hu) * | 2016-09-12 | 2020-01-28 | Thai Polyethylene Co Ltd | Multimodális polietilén csavaros kupak |
US9963529B1 (en) | 2017-04-19 | 2018-05-08 | Nova Chemicals (International) S.A. | Multi reactor solution polymerization |
US10538654B2 (en) | 2017-04-19 | 2020-01-21 | Nova Chemicals (International) S.A. | Multi reactor solution polymerization, polyethylene and polyethylene film |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5910724B2 (ja) * | 1979-08-24 | 1984-03-10 | 旭化成株式会社 | エチレンの連続重合法 |
DE3124223A1 (de) | 1981-06-20 | 1982-12-30 | Hoechst Ag, 6000 Frankfurt | "verfahren zur herstellung eines polyolefins und katalysator hierfuer" |
CA1218181A (en) * | 1983-04-21 | 1987-02-17 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyethylene composition |
JPS59196346A (ja) * | 1983-04-21 | 1984-11-07 | Asahi Chem Ind Co Ltd | ポリエチレン樹脂組成物 |
JPS6036546A (ja) * | 1983-08-09 | 1985-02-25 | Asahi Chem Ind Co Ltd | ポリエチレン樹脂組成物 |
JPS59227913A (ja) * | 1983-06-10 | 1984-12-21 | Idemitsu Petrochem Co Ltd | エチレン重合体あるいは共重合体の製造方法 |
JPH07116251B2 (ja) * | 1985-03-11 | 1995-12-13 | 東ソー株式会社 | 改質されたポリエチレンの製造方法 |
JP2712307B2 (ja) * | 1987-06-23 | 1998-02-10 | 東ソー株式会社 | ポリエチレンの製造方法 |
DE3918646A1 (de) | 1989-06-08 | 1990-12-13 | Hoechst Ag | Verfahren zur herstellung eines poly-l-olefins |
US5648309A (en) | 1990-06-01 | 1997-07-15 | Hoechst Aktiengesellschaft | Process for the preparation of a poly-1-olefin |
US5338589A (en) * | 1991-06-05 | 1994-08-16 | Hoechst Aktiengesellschaft | Polyethylene molding composition |
JP2716615B2 (ja) * | 1991-10-25 | 1998-02-18 | 丸善ポリマー株式会社 | エチレン系重合体組成物の製造方法 |
BE1006439A3 (fr) | 1992-12-21 | 1994-08-30 | Solvay Societe Annonyme | Procede de preparation d'une composition de polymeres d'ethylene, composition de polymeres d'ethylene et son utilisation. |
FI96216C (fi) | 1994-12-16 | 1996-05-27 | Borealis Polymers Oy | Prosessi polyeteenin valmistamiseksi |
EP0905151A1 (en) | 1997-09-27 | 1999-03-31 | Fina Research S.A. | Production of polyethylene having a broad molecular weight distribution |
-
1999
- 1999-09-24 DE DE19945980A patent/DE19945980A1/de not_active Withdrawn
-
2000
- 2000-09-09 ES ES00958529T patent/ES2200919T3/es not_active Expired - Lifetime
- 2000-09-09 US US10/088,855 patent/US6713561B1/en not_active Expired - Lifetime
- 2000-09-09 AT AT00958529T patent/ATE244264T1/de not_active IP Right Cessation
- 2000-09-09 BR BRPI0014232-8A patent/BR0014232B1/pt active IP Right Grant
- 2000-09-09 DE DE50002772T patent/DE50002772D1/de not_active Expired - Lifetime
- 2000-09-09 RU RU2002110817/04A patent/RU2249018C2/ru not_active IP Right Cessation
- 2000-09-09 JP JP2001526594A patent/JP2003510429A/ja active Pending
- 2000-09-09 WO PCT/EP2000/008817 patent/WO2001023446A1/de active IP Right Grant
- 2000-09-09 KR KR1020027003779A patent/KR100654593B1/ko active IP Right Grant
- 2000-09-09 CN CNB008132518A patent/CN1162453C/zh not_active Expired - Fee Related
- 2000-09-09 CA CA002387708A patent/CA2387708C/en not_active Expired - Fee Related
- 2000-09-09 AU AU70017/00A patent/AU769434B2/en not_active Ceased
- 2000-09-09 EP EP00958529A patent/EP1228101B1/de not_active Revoked
-
2002
- 2002-03-20 ZA ZA200202267A patent/ZA200202267B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE19945980A1 (de) | 2001-03-29 |
CA2387708C (en) | 2008-11-18 |
AU7001700A (en) | 2001-04-30 |
ES2200919T3 (es) | 2004-03-16 |
EP1228101B1 (de) | 2003-07-02 |
EP1228101A1 (de) | 2002-08-07 |
ZA200202267B (en) | 2003-11-26 |
WO2001023446A1 (de) | 2001-04-05 |
KR20030004297A (ko) | 2003-01-14 |
DE50002772D1 (de) | 2003-08-07 |
CA2387708A1 (en) | 2001-04-05 |
RU2249018C2 (ru) | 2005-03-27 |
JP2003510429A (ja) | 2003-03-18 |
CN1376170A (zh) | 2002-10-23 |
US6713561B1 (en) | 2004-03-30 |
BR0014232B1 (pt) | 2010-08-24 |
CN1162453C (zh) | 2004-08-18 |
ATE244264T1 (de) | 2003-07-15 |
AU769434B2 (en) | 2004-01-29 |
KR100654593B1 (ko) | 2006-12-07 |
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