WO2003044134A2 - Diesel fuel compositions - Google Patents
Diesel fuel compositions Download PDFInfo
- Publication number
- WO2003044134A2 WO2003044134A2 PCT/EP2002/013143 EP0213143W WO03044134A2 WO 2003044134 A2 WO2003044134 A2 WO 2003044134A2 EP 0213143 W EP0213143 W EP 0213143W WO 03044134 A2 WO03044134 A2 WO 03044134A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- engine
- fuel
- fuel composition
- diesel
- detergent
- Prior art date
Links
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
- 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
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
-
- 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)
-
- 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
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- 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
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
-
- 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
- C10L1/16—Hydrocarbons
- C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
Definitions
- a detergent-containing fuel additive in a diesel fuel composition, for the purpose of reducing subsequent power loss in a diesel engine into which the fuel composition is introduced.
- a detergent- containing fuel additive in a diesel fuel composition, for the purpose of reversing a previously incurred power loss in a diesel engine into which the fuel composition is introduced.
- a reduction in subsequent power loss will inhibit the reduction in tractive effort and/or acceleration rate which would otherwise have been expected, for instance extrapolating from previous performance, in particular compared to that which would have occurred had the engine been run on an unadditivated fuel or a fuel containing less, or no, detergent.
- a detergent-containing additive may be incorporated into a fuel composition with the aim of achieving these indirect effects.
- the diesel fuel composition may be of an otherwise conventional type, typically comprising liquid hydrocarbon middle distillate fuel oils. However it may in particular comprise a low or ultra low sulphur content fuel, for instance containing at most 500 ppmw (parts per million by weight) sulphur, preferably less than 300 ppmw, more preferably less than 250 ppmw, still more preferably no more than 100 ppmw, most preferably no more than 60 or 50 or even 10 ppmw. It may be, or contain a proportion (for instance, 10 % v/v or more) of, reaction products of a Fischer-Tropsch methane condensation process such as the process known as.
- a Fischer-Tropsch methane condensation process such as the process known as.
- a diesel fuel composition which includes a major proportion of a fuel for an internal combustion engine of the compression ignition type, and a minor proportion of a detergent-containing additive, wherein the active matter detergent concentration in the composition is between 100 and 500 ppmw.
- minor proportion is meant preferably less than 1 % w/w of the fuel composition, more preferably less than 0.5 % w/w (5000 ppmw) and most preferably less than 0.2 % w/w (2000 ppmw); references to “major proportion” may be construed accordingly.
- Preferred detergent concentrations and types are as described in connection with the first aspect of the present invention, as are other features of the fuel and the detergent-containing additive.
- the diesel fuel composition preferably contains between 150 and 300 ppmw active matter detergent .
- the driving cycles involve accumulation of engine miles, which may be under simulated conditions (such as using a chassis dynamometer) but preferably involve regular road driving, more preferably a mixture of driving conditions including both urban and motorway mileage .
- the first number of miles should be sufficient to cause a significant loss in power compared to that measured in step 1 of the test.
- a typical first driving cycle might involve between 1000 and 4000 miles (1600 and 6400 km) , preferably 1500 miles (2400 km) or more, more preferably 2000 (3200 km) or 3000 miles (4800 km) or more .
- An appropriate number of miles for the second driving cycle is typically between 10 and 100 %, preferably between 10 and 80 %, more preferably between 10 and 60 %, such as around 50 %, of the first number of miles .
- pump type and/or to assess the performance of a fuel injection system for use in a diesel engine, and/or to assess the performance of a vehicle driven by a diesel engine .
- the type of engine used in all of the tests was a 1753 cc Ford EnduraTM Di C9DC engine, which is a direct injection engine having a BoschTM VP-30 rotary distributor type fuel pump chain ' driven from the crankshaft. It is a four cylinder (in-line configuration) engine which features turbo-charging and after-cooling.
- the fuel injectors are of the slim five-hole type (pencil fuel injectors) located centrally over the piston recess. The injectors are mechanically actuated and operate at a fuel injection pressure of approximately 1100 bar (110 MPa) . Fuel injection is electronically controlled.
- the exhaust gas recirculation (EGR) system of the EnduraTM engine recycles measured quantities of exhaust gas back through the engine where they mix with the incoming air charge, and incorporates an EGR cooler to cool the recirculated exhaust gas therefore lowering the combustion temperature and reducing the formation of nitrogen oxides .
- EGR exhaust gas recirculation
- Acceleration and power measurement test protocol The vehicle is either mounted on a chassis dynamometer or driven under test track conditions . The vehicle and/or chassis dynamometer are initially warmed up over a suitable period of time in order to stabilise oil and coolant temperatures.
- the vehicle used was a Ford FocusTM equipped with an EnduraTM engine, as described above. Its fuel injectors were new at the start of the experiment and were subjected to 3000 miles of "dirty-up" on an ULSD base fuel during step 1.
- Step 1 Further 1500 mile (2400 km) dirty-up (base fuel) .
- Step 2 Fit and condition a new injector set.
- Step 3 Replace old injector set; 1500 mile (2400 km) clean-up on (base fuel + 1870 ppmw of additive A) .
- Step 4 1500 mile (2400 km) dirty-up (base fuel) .
- Step 5 Further 1500 mile (2400 km) dirty-up (base fuel) .
- Additive B is an additive available from Infineum (F7685) which passes the Cummins L10 heavy duty detergency test and contains inter alia a detergent, an anti-foam agent and a corrosion inhibitor.
- Additive C is an additive available from Octel (OMA 4130D) of use for low sulphur fuels and contains a detergent, an anti-foam agent, an anti-rust agent and a dehazer. Both additives were incorporated into the ULSD base fuel used in Example 1, at a concentration of 1042 ppmw for additive B and 500 ppmw for additive C. In both cases this represents double the "standard" treatment dose for the additive in question, and yields an active matter detergent concentration of greater than 100 ppmw in the additivated fuel.
- Example 5 This demonstrates an additional benefit of using an additivated fuel in accordance with the present invention.
- Blended fuel + additive 3.611 (0.797) 4.380 5.239 A (EOT) (0.621) (0.223)
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)
- Combustion & Propulsion (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Testing Of Engines (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002352101A AU2002352101A1 (en) | 2001-11-21 | 2002-11-21 | Diesel fuel compositions |
JP2003545760A JP2005509730A (en) | 2001-11-21 | 2002-11-21 | Diesel fuel composition |
CA002467096A CA2467096A1 (en) | 2001-11-21 | 2002-11-21 | Diesel fuel compositions |
PL369873A PL197965B1 (en) | 2001-11-21 | 2002-11-21 | Diesel fuel compositions |
BR0214326-7A BR0214326A (en) | 2001-11-21 | 2002-11-21 | Diesel fuel composition, use of a detergent-containing fuel additive, methods for operating a diesel engine and / or vehicle that is driven by a diesel engine, and for estimating the performance of a diesel fuel composition, and, process to prepare a diesel fuel composition |
EP02787776A EP1448751A2 (en) | 2001-11-21 | 2002-11-21 | Diesel fuel compositions |
HU0402356A HUP0402356A2 (en) | 2001-11-21 | 2002-11-21 | Diesel fuel compositions |
NO20042568A NO20042568L (en) | 2001-11-21 | 2004-06-18 | Diesel Oil Mixtures |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0127953.8A GB0127953D0 (en) | 2001-11-21 | 2001-11-21 | Diesel fuel compositions |
GB0127953.8 | 2001-11-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2003044134A2 true WO2003044134A2 (en) | 2003-05-30 |
WO2003044134A3 WO2003044134A3 (en) | 2003-08-07 |
WO2003044134A8 WO2003044134A8 (en) | 2003-12-04 |
Family
ID=9926215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/013143 WO2003044134A2 (en) | 2001-11-21 | 2002-11-21 | Diesel fuel compositions |
Country Status (13)
Country | Link |
---|---|
US (1) | US20030159337A1 (en) |
EP (1) | EP1448751A2 (en) |
JP (1) | JP2005509730A (en) |
AR (1) | AR037574A1 (en) |
AU (1) | AU2002352101A1 (en) |
BR (1) | BR0214326A (en) |
CA (1) | CA2467096A1 (en) |
GB (1) | GB0127953D0 (en) |
HU (1) | HUP0402356A2 (en) |
NO (1) | NO20042568L (en) |
PL (1) | PL197965B1 (en) |
WO (1) | WO2003044134A2 (en) |
ZA (1) | ZA200403661B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006100083A1 (en) * | 2005-03-24 | 2006-09-28 | Basf Aktiengesellschaft | Use of detergent additives for reducing a particle amount in the exhaust gas of direct injection diesel engines |
EP1884556A2 (en) * | 2006-08-04 | 2008-02-06 | Infineum International Limited | Improvements in Diesel fuel compositions |
EP2034004A1 (en) * | 2006-05-31 | 2009-03-11 | Nippon Oil Corporation | Gas oil composition |
US7914593B2 (en) | 2006-03-31 | 2011-03-29 | Nippon Oil Corporation | Fuel composition |
US8623103B2 (en) | 2006-03-31 | 2014-01-07 | Jx Nippon Oil & Energy Corporation | Method for producing gas oil composition |
EP1578892B1 (en) * | 2002-12-20 | 2019-04-03 | Shell International Research Maatschappij B.V. | Use of a fischer-tropsch derived fuel |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2008342674B2 (en) * | 2007-12-28 | 2012-09-20 | Shell Internationale Research Maatschappij B.V. | Use of a viscosity increasing component in a diesel fuel |
CA2719258A1 (en) * | 2008-03-26 | 2009-10-01 | Shell Internationale Research Maatschappij B.V. | Automotive fuel compositions |
US8177865B2 (en) | 2009-03-18 | 2012-05-15 | Shell Oil Company | High power diesel fuel compositions comprising metal carboxylate and method for increasing maximum power output of diesel engines using metal carboxylate |
US9239000B2 (en) | 2010-05-25 | 2016-01-19 | The Lubrizol Corporation | Method to provide power gain in an engine |
US9249769B1 (en) * | 2015-03-24 | 2016-02-02 | Afton Chemical Corporation | Fuel additives for treating internal deposits of fuel injectors |
EP3887489A1 (en) | 2018-11-26 | 2021-10-06 | Shell Internationale Research Maatschappij B.V. | Fuel compositions |
CN113227331A (en) * | 2019-01-22 | 2021-08-06 | A·V·阿里斯托夫 | Fuel composition of diesel fuel |
Citations (15)
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---|---|---|---|---|
FR1310848A (en) * | 1960-12-16 | 1962-11-30 | California Research Corp | Engine fuel compositions containing tetraethylene pentamine alkenyl succinimides |
US3471458A (en) * | 1966-12-16 | 1969-10-07 | Chevron Res | Polyimides of olefin-maleic anhydride copolymers as diesel fuel additives |
DE2436364A1 (en) * | 1973-07-27 | 1975-02-27 | Berenyi Istvan | Additives for petrol, diesel and heating oils - and solid fuels contg. mixts. of alcohols, oxidn. accelerators and fatty acids in lube oil |
US3925031A (en) * | 1970-07-23 | 1975-12-09 | Eugenio G Villacampa | Fuel and oil additive |
FR2406723A1 (en) * | 1977-10-21 | 1979-05-18 | Mellqvist Allan | IC engine fuel additive sprayed into intake manifold - is based on aliphatic alcohol, lubricating oil, rust inhibitor and hydrogen peroxide |
FR2420130A1 (en) * | 1978-03-17 | 1979-10-12 | Curry Roger | Dynamic assessment of engine performance - uses electronic data processing to measure acceleration time under load |
EP0147240A2 (en) * | 1983-12-30 | 1985-07-03 | Ethyl Corporation | Fuel compositions and additive concentrates, and their use in inhibiting engine coking |
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EP0482253A1 (en) * | 1990-10-23 | 1992-04-29 | Ethyl Petroleum Additives Limited | Environmentally friendly fuel compositions and additives therefor |
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WO1994020593A1 (en) * | 1993-03-05 | 1994-09-15 | Mobil Oil Corporation | Low emissions diesel fuel |
EP0632123A1 (en) * | 1993-06-30 | 1995-01-04 | The Lubrizol Corporation | Diesel fuel compositions |
WO1998042808A1 (en) * | 1997-03-21 | 1998-10-01 | Infineum Holdings Bv | Fuel oil compositions |
US6056793A (en) * | 1997-10-28 | 2000-05-02 | University Of Kansas Center For Research, Inc. | Blended compression-ignition fuel containing light synthetic crude and blending stock |
WO2001083647A2 (en) * | 2000-05-02 | 2001-11-08 | Exxonmobil Research And Engineering Company | Wide cut fischer-tropsch diesel fuels |
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-
2001
- 2001-11-21 GB GBGB0127953.8A patent/GB0127953D0/en not_active Ceased
-
2002
- 2002-11-20 US US10/300,346 patent/US20030159337A1/en not_active Abandoned
- 2002-11-21 AU AU2002352101A patent/AU2002352101A1/en not_active Abandoned
- 2002-11-21 HU HU0402356A patent/HUP0402356A2/en unknown
- 2002-11-21 JP JP2003545760A patent/JP2005509730A/en active Pending
- 2002-11-21 BR BR0214326-7A patent/BR0214326A/en not_active IP Right Cessation
- 2002-11-21 EP EP02787776A patent/EP1448751A2/en not_active Ceased
- 2002-11-21 WO PCT/EP2002/013143 patent/WO2003044134A2/en not_active Application Discontinuation
- 2002-11-21 CA CA002467096A patent/CA2467096A1/en not_active Abandoned
- 2002-11-21 AR ARP020104462A patent/AR037574A1/en unknown
- 2002-11-21 PL PL369873A patent/PL197965B1/en not_active IP Right Cessation
-
2004
- 2004-05-13 ZA ZA200403661A patent/ZA200403661B/en unknown
- 2004-06-18 NO NO20042568A patent/NO20042568L/en not_active Application Discontinuation
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1310848A (en) * | 1960-12-16 | 1962-11-30 | California Research Corp | Engine fuel compositions containing tetraethylene pentamine alkenyl succinimides |
US3471458A (en) * | 1966-12-16 | 1969-10-07 | Chevron Res | Polyimides of olefin-maleic anhydride copolymers as diesel fuel additives |
US3925031A (en) * | 1970-07-23 | 1975-12-09 | Eugenio G Villacampa | Fuel and oil additive |
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FR2420130A1 (en) * | 1978-03-17 | 1979-10-12 | Curry Roger | Dynamic assessment of engine performance - uses electronic data processing to measure acceleration time under load |
EP0147240A2 (en) * | 1983-12-30 | 1985-07-03 | Ethyl Corporation | Fuel compositions and additive concentrates, and their use in inhibiting engine coking |
EP0303862A1 (en) * | 1987-08-21 | 1989-02-22 | Wynn Oil Company | Additive composition |
EP0482253A1 (en) * | 1990-10-23 | 1992-04-29 | Ethyl Petroleum Additives Limited | Environmentally friendly fuel compositions and additives therefor |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1578892B1 (en) * | 2002-12-20 | 2019-04-03 | Shell International Research Maatschappij B.V. | Use of a fischer-tropsch derived fuel |
JP2008534699A (en) * | 2005-03-24 | 2008-08-28 | ビーエーエスエフ ソシエタス・ヨーロピア | Use of cleaning additives to reduce particulate content in exhaust gas emissions of direct injection diesel engines. |
WO2006100083A1 (en) * | 2005-03-24 | 2006-09-28 | Basf Aktiengesellschaft | Use of detergent additives for reducing a particle amount in the exhaust gas of direct injection diesel engines |
AU2006226517B2 (en) * | 2005-03-24 | 2011-12-01 | Basf Aktiengesellschaft | Use of detergent additives for reducing a particle amount in the exhaust gas of direct injection diesel engines |
US8623103B2 (en) | 2006-03-31 | 2014-01-07 | Jx Nippon Oil & Energy Corporation | Method for producing gas oil composition |
US8628592B2 (en) | 2006-03-31 | 2014-01-14 | Jx Nippon Oil & Energy Corporation | Method for producing gas oil composition |
US7914593B2 (en) | 2006-03-31 | 2011-03-29 | Nippon Oil Corporation | Fuel composition |
US8623104B2 (en) | 2006-03-31 | 2014-01-07 | Jx Nippon Oil & Energy Corporation | Gas oil composition production method |
EP2034004A1 (en) * | 2006-05-31 | 2009-03-11 | Nippon Oil Corporation | Gas oil composition |
EP2034004A4 (en) * | 2006-05-31 | 2010-11-17 | Nippon Oil Corp | Gas oil composition |
US8795394B2 (en) | 2006-05-31 | 2014-08-05 | Nippon Oil Corporation | Gas oil composition |
EP1884556A3 (en) * | 2006-08-04 | 2011-09-14 | Infineum International Limited | Diesel fuel compositions containing metallic species and detergent additives |
EP1884556A2 (en) * | 2006-08-04 | 2008-02-06 | Infineum International Limited | Improvements in Diesel fuel compositions |
Also Published As
Publication number | Publication date |
---|---|
ZA200403661B (en) | 2007-06-27 |
CA2467096A1 (en) | 2003-05-30 |
PL369873A1 (en) | 2005-05-02 |
JP2005509730A (en) | 2005-04-14 |
NO20042568L (en) | 2004-08-18 |
AU2002352101A1 (en) | 2003-06-10 |
AR037574A1 (en) | 2004-11-17 |
GB0127953D0 (en) | 2002-01-16 |
BR0214326A (en) | 2004-11-03 |
HUP0402356A2 (en) | 2005-02-28 |
WO2003044134A3 (en) | 2003-08-07 |
EP1448751A2 (en) | 2004-08-25 |
WO2003044134A8 (en) | 2003-12-04 |
US20030159337A1 (en) | 2003-08-28 |
PL197965B1 (en) | 2008-05-30 |
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