MX215347B - Proceso para convertir oxigenados en olefinas usando catalizadores de cedazo molecular que comprenden depositos carbonaceos deseables - Google Patents
Proceso para convertir oxigenados en olefinas usando catalizadores de cedazo molecular que comprenden depositos carbonaceos deseablesInfo
- Publication number
- MX215347B MX215347B MX9911724A MX9911724A MX215347B MX 215347 B MX215347 B MX 215347B MX 9911724 A MX9911724 A MX 9911724A MX 9911724 A MX9911724 A MX 9911724A MX 215347 B MX215347 B MX 215347B
- Authority
- MX
- Mexico
- Prior art keywords
- cedazal
- olefins
- catalysts
- molecular
- carbon deposits
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
- 150000001336 alkenes Chemical class 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 229910052799 carbon Inorganic materials 0.000 title 1
- 239000003054 catalyst Substances 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/12—Treating with free oxygen-containing gas
- B01J38/30—Treating with free oxygen-containing gas in gaseous suspension, e.g. fluidised bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/90—Regeneration or reactivation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/82—Phosphates
- B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
- B01J29/85—Silicoaluminophosphates [SAPO compounds]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/82—Phosphates
- C07C2529/84—Aluminophosphates containing other elements, e.g. metals, boron
- C07C2529/85—Silicoaluminophosphates (SAPO compounds)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/40—Ethylene production
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/887,766 US6023005A (en) | 1997-07-03 | 1997-07-03 | Process for converting oxygenates to olefins using molecular sieve catalysts comprising desirable carbonaceous deposits |
US08887766 | 1997-07-03 | ||
PCT/US1998/013404 WO1999001219A1 (en) | 1997-07-03 | 1998-06-30 | Process for converting oxygenates to olefins using molecular sieve catalysts comprising desirable carbonaceous deposits |
Publications (3)
Publication Number | Publication Date |
---|---|
MX9911724A MX9911724A (es) | 2000-04-30 |
MXPA99011724A MXPA99011724A (es) | 2000-06-01 |
MX215347B true MX215347B (es) | 2003-07-18 |
Family
ID=25391819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9911724A MX215347B (es) | 1997-07-03 | 1998-06-30 | Proceso para convertir oxigenados en olefinas usando catalizadores de cedazo molecular que comprenden depositos carbonaceos deseables |
Country Status (16)
Country | Link |
---|---|
US (2) | US6023005A (es) |
EP (1) | EP1011860B1 (es) |
CN (1) | CN1190270C (es) |
AR (1) | AR013176A1 (es) |
AT (1) | ATE305819T1 (es) |
AU (1) | AU744910B2 (es) |
CA (1) | CA2292765C (es) |
DE (1) | DE69831811T2 (es) |
ES (1) | ES2247702T3 (es) |
MX (1) | MX215347B (es) |
MY (1) | MY116757A (es) |
NO (1) | NO321269B1 (es) |
SA (1) | SA98190716B1 (es) |
TW (1) | TW494015B (es) |
WO (1) | WO1999001219A1 (es) |
ZA (1) | ZA985811B (es) |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6436869B1 (en) | 1996-05-29 | 2002-08-20 | Exxonmobil Chemical Patents Inc. | Iron, cobalt and/or nickel containing ALPO bound SAPO molecular sieve catalyst for producing olefins |
US6552240B1 (en) | 1997-07-03 | 2003-04-22 | Exxonmobil Chemical Patents Inc. | Method for converting oxygenates to olefins |
US6245703B1 (en) * | 1998-04-29 | 2001-06-12 | Exxon Mobil Chemical Patents Inc. | Efficient method using liquid water to regenerate oxygenate to olefin catalysts while increasing catalyst specificity to light olefins |
US6444868B1 (en) | 1999-02-17 | 2002-09-03 | Exxon Mobil Chemical Patents Inc. | Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions |
US6316683B1 (en) * | 1999-06-07 | 2001-11-13 | Exxonmobil Chemical Patents Inc. | Protecting catalytic activity of a SAPO molecular sieve |
US20040104149A1 (en) * | 1999-08-20 | 2004-06-03 | Lomas David A. | Controllable volume reactor and process |
US6166282A (en) * | 1999-08-20 | 2000-12-26 | Uop Llc | Fast-fluidized bed reactor for MTO process |
US7169293B2 (en) * | 1999-08-20 | 2007-01-30 | Uop Llc | Controllable space velocity reactor and process |
AU2001236985A1 (en) | 2000-02-16 | 2001-08-27 | Exxonmobil Chemical Patents Inc | Treatment of molecular sieves with silicon containing compounds |
US6531639B1 (en) | 2000-02-18 | 2003-03-11 | Exxonmobil Chemical Patents, Inc. | Catalytic production of olefins at high methanol partial pressures |
US6743747B1 (en) | 2000-02-24 | 2004-06-01 | Exxonmobil Chemical Patents Inc. | Catalyst pretreatment in an oxgenate to olefins reaction system |
US7102050B1 (en) | 2000-05-04 | 2006-09-05 | Exxonmobil Chemical Patents Inc. | Multiple riser reactor |
CN1221635C (zh) * | 2000-05-09 | 2005-10-05 | 埃克森美孚化学专利公司 | 用于将含氧化合物转化为烯烃的方法 |
US6613950B1 (en) * | 2000-06-06 | 2003-09-02 | Exxonmobil Chemical Patents Inc. | Stripping hydrocarbon in an oxygenate conversion process |
US6303839B1 (en) | 2000-06-14 | 2001-10-16 | Uop Llc | Process for producing polymer grade olefins |
US6441261B1 (en) | 2000-07-28 | 2002-08-27 | Exxonmobil Chemical Patents Inc. | High pressure oxygenate conversion process via diluent co-feed |
US6486219B1 (en) | 2000-09-27 | 2002-11-26 | Exxonmobil Chemical Patents, Inc. | Methanol, olefin, and hydrocarbon synthesis process |
US6518475B2 (en) | 2001-02-16 | 2003-02-11 | Exxonmobil Chemical Patents Inc. | Process for making ethylene and propylene |
US6441262B1 (en) | 2001-02-16 | 2002-08-27 | Exxonmobil Chemical Patents, Inc. | Method for converting an oxygenate feed to an olefin product |
US6673978B2 (en) | 2001-05-11 | 2004-01-06 | Exxonmobil Chemical Patents Inc. | Process for making olefins |
ATE356102T1 (de) | 2001-07-02 | 2007-03-15 | Exxonmobil Chem Patents Inc | Inhibierung der katalysatorverkokung bei der herstellung eines olefins |
US6768036B2 (en) * | 2001-12-31 | 2004-07-27 | Exxonmobil Chemical Patents Inc. | Method for adding heat to a reactor system used to convert oxygenates to olefins |
US7781633B2 (en) * | 2001-12-31 | 2010-08-24 | Exxonmobil Chemical Patents Inc. | Method for converting an oxygenate feed to a light olefin |
US20030125596A1 (en) * | 2001-12-31 | 2003-07-03 | Lattner James R | Method for adding heat to a reactor system used to convert oxygenates to olefins |
US7227048B2 (en) * | 2001-12-31 | 2007-06-05 | Exxonmobil Chemical Patents Inc. | Converting oxygenates to olefins over a catalyst comprising acidic molecular sieve of controlled carbon atom to acid site ratio |
US7053260B2 (en) * | 2002-01-07 | 2006-05-30 | Exxonmobil Chemical Patents Inc. | Reducing temperature differences within the regenerator of an oxygenate to olefin process |
US7247764B2 (en) | 2002-08-14 | 2007-07-24 | Exxonmobil Chemical Patents Inc. | Conversion process |
US7122160B2 (en) * | 2002-09-24 | 2006-10-17 | Exxonmobil Chemical Patents Inc. | Reactor with multiple risers and consolidated transport |
US7119241B2 (en) * | 2002-09-27 | 2006-10-10 | Exxonmobile Chemical Patents Inc. | Process for handling catalyst from an oxygenate to olefin reaction |
US20040064007A1 (en) * | 2002-09-30 | 2004-04-01 | Beech James H. | Method and system for regenerating catalyst from a plurality of hydrocarbon conversion apparatuses |
US7083762B2 (en) | 2002-10-18 | 2006-08-01 | Exxonmobil Chemical Patents Inc. | Multiple riser reactor with centralized catalyst return |
CN100363463C (zh) * | 2002-10-18 | 2008-01-23 | 埃克森美孚化学专利公司 | 带有中央催化剂回路的多级提升管反应器 |
US7273960B2 (en) * | 2002-10-25 | 2007-09-25 | Exxonmobil Chemical Patents Inc | Fluid bed oxygenates to olefins reactor apparatus and process of controlling same |
US7102048B2 (en) * | 2002-12-17 | 2006-09-05 | Exxonmobil Chemical Patents Inc. | Methanol feed for producing olefin streams |
US7115791B2 (en) * | 2002-12-19 | 2006-10-03 | Exxonmobil Chemical Patents Inc. | Method and apparatus for controlling effluent composition in oxygenates to olefins conversion |
US7256318B2 (en) * | 2003-03-28 | 2007-08-14 | Exxonmobil Chemical Patents Inc. | Regeneration temperature control in a catalytic reaction system |
US7259287B2 (en) * | 2003-08-15 | 2007-08-21 | Exxonmobil Chemical Patents Inc. | Method of starting up a reaction system |
US7214636B2 (en) * | 2003-08-22 | 2007-05-08 | Exxonmobil Chemical Patents Inc. | Catalyst regenerator for reducing entrained catalyst loss |
US7090081B2 (en) * | 2003-09-05 | 2006-08-15 | Exxonmobil Chemical Patents Inc. | Selectively removing undesirably sized catalyst particles from a reaction system |
US7084319B2 (en) * | 2003-12-05 | 2006-08-01 | Exxonmobil Chemical Patents Inc. | Catalyst fluidization in oxygenate to olefin reaction systems |
US7619127B2 (en) * | 2003-12-23 | 2009-11-17 | Exxonmobil Chemical Patents Inc. | Method of operating a riser reactor |
US7033971B2 (en) * | 2004-02-09 | 2006-04-25 | Exxonmobil Chemical Patents Inc. | Method for using stabilizing catalyst activity during MTO unit operation |
US7199277B2 (en) * | 2004-07-01 | 2007-04-03 | Exxonmobil Chemical Patents Inc. | Pretreating a catalyst containing molecular sieve and active metal oxide |
US7199278B2 (en) * | 2004-07-30 | 2007-04-03 | Exxonmobil Chemical Patents Inc. | Conversion of oxygenates to olefins |
US7166757B2 (en) * | 2004-07-30 | 2007-01-23 | Exxonmobil Chemical Patents Inc. | Conversion of oxygenates to olefins |
US7186875B2 (en) * | 2004-07-30 | 2007-03-06 | Exxon Mobil Chemical Patents Inc. | Conversion of oxygenates to olefins |
US7309383B2 (en) * | 2004-09-23 | 2007-12-18 | Exxonmobil Chemical Patents Inc. | Process for removing solid particles from a gas-solids flow |
US7622625B2 (en) * | 2004-11-01 | 2009-11-24 | Uop Llc | Purge gas streams to stagnant zones within oxygenate-to-olefin reactor |
US7208649B2 (en) * | 2004-11-01 | 2007-04-24 | Uop Llc | External second stage cyclones in olefin production process |
US7598197B2 (en) * | 2004-12-22 | 2009-10-06 | Exxonmobil Chemical Patents Inc. | Catalyst cooling processes utilizing steam superheating |
US7829750B2 (en) * | 2004-12-30 | 2010-11-09 | Exxonmobil Chemical Patents Inc. | Fluidizing a population of catalyst particles having a low catalyst fines content |
US7829030B2 (en) * | 2004-12-30 | 2010-11-09 | Exxonmobil Chemical Patents Inc. | Fluidizing a population of catalyst particles having a low catalyst fines content |
CN101094905B (zh) * | 2004-12-30 | 2012-07-25 | 埃克森美孚化学专利公司 | 使催化剂细粉末含量低的全体催化剂颗粒流态化 |
EP1850958B1 (en) | 2005-01-31 | 2018-07-04 | ExxonMobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
US7744746B2 (en) | 2006-03-31 | 2010-06-29 | Exxonmobil Research And Engineering Company | FCC catalyst stripper configuration |
CN101395250B (zh) | 2006-03-31 | 2013-06-05 | 埃克森美孚化学专利公司 | 气-固反应器中的产物回收 |
CN101081799B (zh) * | 2006-05-31 | 2011-08-10 | 中国石油化工股份有限公司 | 一种由含氧化合物制取小分子烯烃的方法 |
CN101165019B (zh) * | 2006-10-20 | 2010-06-16 | 中国石油化工股份有限公司 | 生产乙烯、丙烯的方法 |
CN101164686B (zh) * | 2006-10-20 | 2010-05-12 | 中国石油化工股份有限公司 | 多床层组合式反应器 |
CN101164687B (zh) * | 2006-10-20 | 2010-05-12 | 中国石油化工股份有限公司 | 多反应区组合式反应器 |
US7935650B2 (en) * | 2006-12-18 | 2011-05-03 | Uop Llc | Neutralization of quench stream in a process for handling catalyst from an oxygenate-to-olefin reaction |
CN101239873B (zh) * | 2007-02-07 | 2011-07-13 | 中国石油化工股份有限公司 | 含氧化合物转化制低碳烯烃的方法 |
CN101293800B (zh) * | 2007-04-28 | 2012-11-14 | 中国石油化工股份有限公司 | 含氧化合物与轻烃转化集成制取小分子烯烃的方法 |
CN101270023B (zh) * | 2008-04-11 | 2011-04-27 | 中国石油化工股份有限公司 | 提高轻质烯烃收率的方法 |
WO2011008329A2 (en) * | 2009-06-29 | 2011-01-20 | Exxonmobil Chemical Patents Inc. | Catalyst and once-through reactor-regenerator process for oxygenate to olefins production |
CN101698629B (zh) * | 2009-11-04 | 2013-07-17 | 富德(北京)能源化工有限公司 | 一种采用甲醇或二甲醚制备低碳烯烃的装置 |
CN102274752B (zh) * | 2010-06-11 | 2013-03-06 | 中国石油化工股份有限公司 | 甲醇制烯烃工艺中再生催化剂返回反应器的方法 |
CN102294275A (zh) * | 2010-06-24 | 2011-12-28 | 中国石油化工股份有限公司 | 甲醇制烯烃再生***内降低催化剂跑损的方法 |
US8419835B2 (en) | 2010-08-10 | 2013-04-16 | Uop Llc | Apparatuses and methods for gas-solid separations using cyclones |
US9085501B2 (en) * | 2010-11-17 | 2015-07-21 | China Petroleum & Chemical Corporation | Processes for increasing the yield of ethylene and propylene |
CN102814151B (zh) | 2011-06-08 | 2014-02-26 | 富德(北京)能源化工有限公司 | 由含氧化合物制烯烃的流化床反应器和方法 |
CN103212347A (zh) * | 2013-04-09 | 2013-07-24 | 张济宇 | 一种用于甲醇制低碳烯烃的高空速提升管反应器及应用 |
CN104437274B (zh) * | 2013-09-16 | 2017-01-11 | 中国石油大学(华东) | 一种用于轻烯烃裂解、甲醇制烯烃的流化床反应器 |
BR112016012646B1 (pt) * | 2013-12-03 | 2021-10-26 | Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences | Método para preparar olefina leve com o uso de um composto que contém oxigênio |
BR112016012613B1 (pt) * | 2013-12-03 | 2021-08-03 | Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences | Dispositivo de reação para preparar olefinas leves a partir de metanol e/ou dimetil éter |
KR101616827B1 (ko) | 2014-05-15 | 2016-04-29 | 한국화학연구원 | 경질 올레핀의 제조공정 및 이를 위한 제조장치 |
CN104399522A (zh) * | 2014-10-21 | 2015-03-11 | 贵州大学 | 用于碘代法甲醇生产低碳烯烃的催化剂及其制备方法 |
EP3042886A1 (en) | 2015-01-09 | 2016-07-13 | Shell Internationale Research Maatschappij B.V. | A process for converting oxygenate to olefins |
CN107434755B (zh) * | 2016-05-27 | 2020-02-04 | 中国科学院大连化学物理研究所 | 一种低碳烯烃的制备方法 |
CN108311176B (zh) * | 2017-01-18 | 2020-02-28 | 中国石油化工股份有限公司 | 一种催化剂的原位激活方法 |
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-
1997
- 1997-07-03 US US08/887,766 patent/US6023005A/en not_active Expired - Lifetime
-
1998
- 1998-06-30 EP EP98931676A patent/EP1011860B1/en not_active Revoked
- 1998-06-30 DE DE69831811T patent/DE69831811T2/de not_active Expired - Lifetime
- 1998-06-30 AU AU81733/98A patent/AU744910B2/en not_active Expired
- 1998-06-30 CA CA002292765A patent/CA2292765C/en not_active Expired - Lifetime
- 1998-06-30 CN CNB988065339A patent/CN1190270C/zh not_active Expired - Lifetime
- 1998-06-30 ES ES98931676T patent/ES2247702T3/es not_active Expired - Lifetime
- 1998-06-30 AT AT98931676T patent/ATE305819T1/de not_active IP Right Cessation
- 1998-06-30 WO PCT/US1998/013404 patent/WO1999001219A1/en active IP Right Grant
- 1998-06-30 MX MX9911724A patent/MX215347B/es unknown
- 1998-07-02 ZA ZA985811A patent/ZA985811B/xx unknown
- 1998-07-02 MY MYPI98003010A patent/MY116757A/en unknown
- 1998-07-03 AR ARP980103256A patent/AR013176A1/es not_active Application Discontinuation
- 1998-09-16 TW TW087110801A patent/TW494015B/zh not_active IP Right Cessation
- 1998-11-04 SA SA98190716A patent/SA98190716B1/ar unknown
-
1999
- 1999-12-29 NO NO19996543A patent/NO321269B1/no not_active IP Right Cessation
-
2003
- 2003-07-09 US US10/616,058 patent/US20040105787A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US6023005A (en) | 2000-02-08 |
WO1999001219A1 (en) | 1999-01-14 |
EP1011860A1 (en) | 2000-06-28 |
NO321269B1 (no) | 2006-04-10 |
CA2292765C (en) | 2007-02-20 |
AR013176A1 (es) | 2000-12-13 |
EP1011860B1 (en) | 2005-10-05 |
DE69831811D1 (de) | 2006-02-16 |
CN1190270C (zh) | 2005-02-23 |
NO996543D0 (no) | 1999-12-29 |
TW494015B (en) | 2002-07-11 |
MX9911724A (es) | 2000-04-30 |
AU744910B2 (en) | 2002-03-07 |
MY116757A (en) | 2004-03-31 |
CN1261294A (zh) | 2000-07-26 |
ZA985811B (en) | 1999-01-18 |
DE69831811T2 (de) | 2006-06-22 |
NO996543L (no) | 2000-03-02 |
AU8173398A (en) | 1999-01-25 |
SA98190716B1 (ar) | 2006-08-23 |
CA2292765A1 (en) | 1999-01-14 |
ES2247702T3 (es) | 2006-03-01 |
ATE305819T1 (de) | 2005-10-15 |
US20040105787A1 (en) | 2004-06-03 |
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