RU2004100700A - Способ солюбилизации асфальтенов в углеводородной смеси - Google Patents
Способ солюбилизации асфальтенов в углеводородной смеси Download PDFInfo
- Publication number
- RU2004100700A RU2004100700A RU2004100700/04A RU2004100700A RU2004100700A RU 2004100700 A RU2004100700 A RU 2004100700A RU 2004100700/04 A RU2004100700/04 A RU 2004100700/04A RU 2004100700 A RU2004100700 A RU 2004100700A RU 2004100700 A RU2004100700 A RU 2004100700A
- Authority
- RU
- Russia
- Prior art keywords
- anhydride
- succinic anhydride
- asphaltenes
- hydrocarbon mixture
- compound
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract 15
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract 9
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract 9
- 239000000203 mixture Substances 0.000 title claims abstract 9
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract 6
- 230000003381 solubilizing effect Effects 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract 10
- 229940014800 succinic anhydride Drugs 0.000 claims abstract 7
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims abstract 6
- FWAVAVCRVWBJRP-UHFFFAOYSA-N 3-(2-methylprop-1-enyl)oxolane-2,5-dione Chemical compound CC(C)=CC1CC(=O)OC1=O FWAVAVCRVWBJRP-UHFFFAOYSA-N 0.000 claims abstract 2
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 claims abstract 2
- 229940043276 diisopropanolamine Drugs 0.000 claims abstract 2
- 239000000412 dendrimer Substances 0.000 claims 6
- 229920000736 dendritic polymer Polymers 0.000 claims 6
- -1 cyclic anhydride Chemical class 0.000 claims 3
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical group C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 claims 2
- 229920002614 Polyether block amide Polymers 0.000 claims 2
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical group C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 claims 1
- VVNKQEJVCBMGHV-UHFFFAOYSA-N 19479-86-8 Chemical group C1C2CCC1C1=C2C(=O)OC1=O VVNKQEJVCBMGHV-UHFFFAOYSA-N 0.000 claims 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Chemical group C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims 1
- 150000008065 acid anhydrides Chemical class 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 150000008064 anhydrides Chemical group 0.000 claims 1
- 239000010426 asphalt Substances 0.000 claims 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical group CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 239000010779 crude oil Substances 0.000 claims 1
- 235000014113 dietary fatty acids Nutrition 0.000 claims 1
- 229930195729 fatty acid Natural products 0.000 claims 1
- 239000000194 fatty acid Substances 0.000 claims 1
- 150000004665 fatty acids Chemical class 0.000 claims 1
- VANNPISTIUFMLH-UHFFFAOYSA-N glutaric anhydride Chemical group O=C1CCCC(=O)O1 VANNPISTIUFMLH-UHFFFAOYSA-N 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- 150000007524 organic acids Chemical class 0.000 claims 1
- 230000007928 solubilization Effects 0.000 claims 1
- 238000005063 solubilization Methods 0.000 claims 1
- 150000001408 amides Chemical class 0.000 abstract 1
- 229920006150 hyperbranched polyester Polymers 0.000 abstract 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
- C09K23/16—Amines or polyamines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2381—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds polyamides; polyamide-esters; polyurethane, polyureas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
- C10L1/2387—Polyoxyalkyleneamines (poly)oxyalkylene amines and derivatives thereof (substituted by a macromolecular group containing 30C)
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S208/00—Mineral oils: processes and products
- Y10S208/95—Processing of "fischer-tropsch" crude
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Working-Up Tar And Pitch (AREA)
- Furan Compounds (AREA)
Claims (14)
1. Способ солюбилизации асфальтенов в углеводородной смеси, содержащей асфальтены, отличающийся тем, что в смесь добавляют эффективное количество дендримерного соединения.
2. Способ по п.1, отличающийся тем, что дендримерное соединение функционализировано.
3. Способ по п.1 или 2, отличающийся тем, что дендримерное соединение представляет собой сверхразветвленный полиэфирамид.
4. Способ по п.3, отличающийся тем, что применяют сверхразветвленный полиэфирамид, который получен путем взаимодействия циклического ангидрида с ди-или триалканоламином по реакции (само)конденсации.
5. Способ по п.4, отличающийся тем, что используют сверхразветвленный полиэфирамид, который имеет среднечисловую молекулярную массу между 500 и 50000.
6. Способ по п.4 или 5, отличающийся тем, что циклический ангидрид выбирают из группы, состоящей из янтарного ангидрида, глутарового ангидрида, тетрагидрофталевого ангидрида, гексагидрофталевого ангидрида, фталевого ангидрида, ангидрида норборнен-2,3-дикарбоновой кислоты и ангидрида нафталиндикарбоновой кислоты, необязательно замещенного одним или несколькими алкильными или алкенильными заместителями.
7. Способ по п.4 или 5, отличающийся тем, что алканоламин представляет собой диизопропаноламин.
8. Способ по п.4 или 5, отличающийся тем, что полиэфирамид функционализируют путем взаимодействия с органической кислотой или ангидридом кислоты, в частности с янтарным ангидридом, алкенилянтарным ангидридом, жирной кислотой С4-С20 или гексагидрофталевым ангидридом с образованием дендримерного соединения с гидроксильными функциональными группами и карбоксильными функциональными группами.
9. Способ по п.8, отличающийся тем, что полиэфирамид функционализируют полиалкенилянтарным ангидридом.
10. Способ по п.9, отличающийся тем, что полиалкенилянтарный ангидрид включает в себя полиалкенильную цепочку, которая содержит от 6 до 50 молекул алкенового мономера.
11. Способ по п.8 отличающийся тем, что полиалкенилянтарный ангидрид представляет собой поли(изобутенил)янтарный ангидрид.
12. Способ по п,1 отличающийся тем, что дендримерное соединение в количестве между 0,01 и 1,0 мас.%, предпочтительно, между 0,1 и 0,5 мас.%, добавляют к смеси, на основе суммы асфальтенсодержащей смеси углеводородов и дендримерного соединения.
13. Способ по 1, отличающийся тем, что углеводородная смесь представляет собой сырую нефть.
14. Углеводородная смесь, содержащая, кроме углеводородов, асфальтены и по меньшей мере, одно дендримерное соединение.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01202294.3 | 2001-06-14 | ||
| EP01202294 | 2001-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2004100700A true RU2004100700A (ru) | 2005-06-20 |
| RU2280672C2 RU2280672C2 (ru) | 2006-07-27 |
Family
ID=8180481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2004100700/04A RU2280672C2 (ru) | 2001-06-14 | 2002-06-12 | Способ солюбилизации асфальтенов в углеводородной смеси и смесь для осуществления способа |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US7122113B2 (ru) |
| EP (1) | EP1401988B1 (ru) |
| CN (1) | CN1289635C (ru) |
| AT (1) | ATE397650T1 (ru) |
| AU (1) | AU2002319234B2 (ru) |
| BR (1) | BR0210319A (ru) |
| CA (1) | CA2450162A1 (ru) |
| DE (1) | DE60226976D1 (ru) |
| NO (1) | NO335336B1 (ru) |
| RU (1) | RU2280672C2 (ru) |
| WO (1) | WO2002102928A2 (ru) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7097759B2 (en) * | 2003-05-23 | 2006-08-29 | Rohm And Haas Company | Carbonyl, thiocarbonyl or imine containing compounds as asphaltene dispersants in crude oil |
| EP1807480B1 (en) * | 2004-10-27 | 2016-01-20 | The Lubrizol Corporation | Asphaltene inhibition |
| CN101065466B (zh) * | 2004-11-24 | 2013-02-13 | 国际壳牌研究有限公司 | 改进含有蜡和其它烃的混合物的流动性的方法 |
| US20080066714A1 (en) * | 2005-09-20 | 2008-03-20 | George Robert Lee | Fuel compositions and its use |
| DE102005060783A1 (de) * | 2005-12-16 | 2007-06-28 | Basf Ag | Hochfunktionelle, hoch- und hyperverzweigte Polymere sowie ein Verfahren zu deren Herstellung |
| JP5403361B2 (ja) * | 2006-06-16 | 2014-01-29 | ディーエスエム アイピー アセッツ ビー．ブイ． | 超分岐縮合ポリマーに基づく組成物および新規超分岐縮合ポリマー |
| WO2007149779A1 (en) * | 2006-06-20 | 2007-12-27 | M-I Llc | Highly branched polymeric materials as surfactants for oil-based muds |
| US20130045898A1 (en) * | 2009-11-25 | 2013-02-21 | Dsm Ip Assets B.V. | Polyester amide foamers |
| MX2010004777A (es) | 2010-04-30 | 2011-11-04 | Mexicano Inst Petrol | Composicion multifuncional base 1,3 oxazinan-6-onas con propiedades inhibitorias de la corrosion e inhibitorias y dispersantes de compuestos organicos pesados y proceso de obtencion. |
| US9921205B2 (en) | 2012-11-13 | 2018-03-20 | Chevron U.S.A. Inc. | Method for determining the effectiveness of asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and presssure conditions |
| US9212326B2 (en) | 2013-03-14 | 2015-12-15 | Exxonmobil Research And Engineering Company | Hydrohalogenation of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes |
| US9334460B2 (en) | 2013-03-14 | 2016-05-10 | Exxonmobil Research And Engineering Company | Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes |
| US9441171B2 (en) | 2013-03-14 | 2016-09-13 | Exxonmobil Research And Engineering Company | Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processes |
| US9617482B2 (en) | 2013-03-14 | 2017-04-11 | Exxonmobil Research And Engineering Company | Functionalized polymers containing polyamine succinimide for demulsification in hydrocarbon refining processes |
| MX368309B (es) | 2014-12-11 | 2019-09-26 | Mexicano Inst Petrol | Liquidos zwitterionicos geminales base hidroxipropil betaina, proceso de obtencion y uso como modificadores de la mojabilidad con propiedades inhibitorias/dispersantes de asfaltenos. |
| US10280714B2 (en) | 2015-11-19 | 2019-05-07 | Ecolab Usa Inc. | Solid chemicals injection system for oil field applications |
| US10655052B2 (en) | 2016-12-30 | 2020-05-19 | M-I L.L.C. | Method and process to stabilize asphaltenes in petroleum fluids |
| CA3049102A1 (en) | 2016-12-30 | 2018-07-05 | Stepan Europe S.A.S. | Compositions to stabilize asphaltenes in petroleum fluids |
| CA3064010A1 (en) | 2017-05-23 | 2018-11-29 | Ecolab Usa Inc. | Injection system for controlled delivery of solid oil field chemicals |
| EP3630341A1 (en) | 2017-05-23 | 2020-04-08 | Ecolab USA, Inc. | Dilution skid and injection system for solid/high viscosity liquid chemicals |
| US10907473B2 (en) | 2017-11-14 | 2021-02-02 | Chevron U.S.A., Inc. | Low volume in-line filtration methods for analyzing hydrocarbon-containing fluid to evaluate asphaltene content and behavior during production operations |
| US10781378B2 (en) | 2017-12-05 | 2020-09-22 | Fqe Chemicals Inc. | Compositions and methods for dissolution of heavy organic compounds |
| US11280779B2 (en) | 2017-12-18 | 2022-03-22 | Championx Usa Inc. | Solvency for asphaltene deposit remediation or inhibition |
| US11884875B2 (en) * | 2019-06-21 | 2024-01-30 | Cameron International Corporation | Asphaltene dispersants |
| US20240117238A1 (en) | 2022-09-28 | 2024-04-11 | Championx Llc | Extended release asphaltene inhibitor composition |
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| US3244188A (en) * | 1962-10-03 | 1966-04-05 | Dow Chemical Co | Inhibition of deposition of hydrocarbonaceous solids from oil |
| US3578421A (en) * | 1968-07-26 | 1971-05-11 | Mobil Oil Corp | Liquid hydrocarbon compositions containing reaction products of an amine and methyl vinyl ether-maleic anhydride copolymers as anti-static agents |
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| DE3786000T3 (de) | 1986-08-18 | 1997-08-21 | Dow Chemical Co | Conjugate dichter Sterne. |
| CA1333596C (en) * | 1986-10-16 | 1994-12-20 | Robert Dean Lundberg | High functionality low molecular weight oil soluble dispersant additives useful in oleaginous compositions |
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| AU675227B2 (en) | 1992-06-11 | 1997-01-30 | Colorado School Of Mines | A method for inhibiting gas hydrate formation |
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| TW499449B (en) | 1999-03-24 | 2002-08-21 | Dsm Nv | Condensation polymer containing esteralkylamide-acid groups |
| EP1038902A1 (en) | 1999-03-26 | 2000-09-27 | Dsm N.V. | Condensation polymers containing dialkylamide endgroups, process for their production and applications thereof |
| US6398935B1 (en) * | 2000-03-27 | 2002-06-04 | Emc Corporation | Method for manufacturing pcb's |
| DE10043080A1 (de) * | 2000-09-01 | 2002-03-14 | Cognis Deutschland Gmbh | Verwendung von Polyesteramiden zur Stabilisierung von Asphaltenen in Rohöl |
-
2002
- 2002-06-12 CA CA002450162A patent/CA2450162A1/en not_active Abandoned
- 2002-06-12 BR BR0210319-2A patent/BR0210319A/pt not_active IP Right Cessation
- 2002-06-12 AT AT02748782T patent/ATE397650T1/de not_active IP Right Cessation
- 2002-06-12 EP EP02748782A patent/EP1401988B1/en not_active Expired - Lifetime
- 2002-06-12 DE DE60226976T patent/DE60226976D1/de not_active Expired - Fee Related
- 2002-06-12 WO PCT/EP2002/006583 patent/WO2002102928A2/en active IP Right Grant
- 2002-06-12 CN CNB028117875A patent/CN1289635C/zh not_active Expired - Fee Related
- 2002-06-12 AU AU2002319234A patent/AU2002319234B2/en not_active Ceased
- 2002-06-12 US US10/480,581 patent/US7122113B2/en not_active Expired - Lifetime
- 2002-06-12 RU RU2004100700/04A patent/RU2280672C2/ru not_active IP Right Cessation
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2003
- 2003-12-12 NO NO20035548A patent/NO335336B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1401988A2 (en) | 2004-03-31 |
| EP1401988B1 (en) | 2008-06-04 |
| CN1289635C (zh) | 2006-12-13 |
| CN1524118A (zh) | 2004-08-25 |
| US20040163995A1 (en) | 2004-08-26 |
| NO20035548D0 (no) | 2003-12-12 |
| US7122113B2 (en) | 2006-10-17 |
| ATE397650T1 (de) | 2008-06-15 |
| WO2002102928A2 (en) | 2002-12-27 |
| NO335336B1 (no) | 2014-11-17 |
| DE60226976D1 (de) | 2008-07-17 |
| CA2450162A1 (en) | 2002-12-27 |
| RU2280672C2 (ru) | 2006-07-27 |
| WO2002102928A3 (en) | 2003-05-22 |
| BR0210319A (pt) | 2004-08-10 |
| AU2002319234B2 (en) | 2007-09-20 |
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| MM4A | The patent is invalid due to non-payment of fees |
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