EP2364413B1 - Procédé d'augmentation des débits d'injection massiques de gaz dans des cavernes de stockage au moyen de gnl - Google Patents
Procédé d'augmentation des débits d'injection massiques de gaz dans des cavernes de stockage au moyen de gnl Download PDFInfo
- Publication number
- EP2364413B1 EP2364413B1 EP08877918.6A EP08877918A EP2364413B1 EP 2364413 B1 EP2364413 B1 EP 2364413B1 EP 08877918 A EP08877918 A EP 08877918A EP 2364413 B1 EP2364413 B1 EP 2364413B1
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- EP
- European Patent Office
- Prior art keywords
- gas
- lng
- natural gas
- compressor
- flow line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000004401 flow injection analysis Methods 0.000 title claims description 6
- 239000007789 gas Substances 0.000 claims description 62
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 40
- 239000003949 liquefied natural gas Substances 0.000 claims description 22
- 239000003345 natural gas Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0157—Compressors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
- F17C2227/0339—Heat exchange with the fluid by cooling using the same fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/0395—Localisation of heat exchange separate using a submerged heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0486—Indicating or measuring characterised by the location
- F17C2250/0491—Parameters measured at or inside the vessel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0636—Flow or movement of content
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/02—Improving properties related to fluid or fluid transfer
- F17C2260/023—Avoiding overheating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/02—Improving properties related to fluid or fluid transfer
- F17C2260/025—Reducing transfer time
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0142—Applications for fluid transport or storage placed underground
- F17C2270/0144—Type of cavity
- F17C2270/0149—Type of cavity by digging cavities
- F17C2270/0152—Salt caverns
Definitions
- the present invention relates to a method of increasing gas mass flow injection rates to gas storage caverns using LNG.
- Natural gas is traditionally stored in a gaseous form in large volume salt caverns and aquifers to meet peak demand and ensure a secure supply.
- the gas is added to storage by compression, resulting in an increment in cavern temperature and an increment in cavern pressure. These increments in pressure and temperature in the cavern decrease the rate at which gas can be added to the cavern.
- Document CA 2 518 235 describes methods of filling such salt caverus with natural gas.
- a method to increase gas mass flow injection rates to a gas storage cavern includes using liquid natural gas (LNG) to cool natural gas in a natural gas flow line upstream of a compressor used to compress gas for storage in to a gas storage cavern.
- LNG liquid natural gas
- Gas is supplied from main pipeline stream 1.
- the gas to storage is routed through line 2 to exchanger 30 where it is cooled by LNG.
- the cooler gas exits exchanger 30 via stream 3 to knock out drum 31, to remove any condensate and debris present in the stream.
- the condensate is removed through stream 4.
- the cold gas is routed through stream 5 to compressor 32 for injection into cavern 33 via stream 6.
- LNG is supplied from tank 35 and is routed through line 8 to pump 36 where it is pressurized and routed through line 9.
- the LNG is routed through line 10 to exchanger 30, to cool the gas to storage and exits the exchanger through line 11.
- the gas in stream 11 is colder than compressed gas in stream 6.
- the gas can then be routed through valve 39 and line 12 to mix directly with stream 6 in mixer 41, increasing the gas density of gas stream 7 to storage 33.
- the option of routing stream 11 through valve 38 and line 13 directly to storage cavern 33 is available.
- the operating conditions for the cavern are monitored by pressure and temperature sensors 34.
- the objective is to increase the gas injection rate of compressor 32 by lowering the temperature of the gas suction line to the compressor, making the gas denser, thus increasing the mass flow rate and also decreasing the compressor outlet temperature.
- the compressor outlet temperature can be further decreased by direct mixing of stream 12 with stream 6. For every incremental decrease in the temperature of gas entering cavern 33, the amount of gas cavern 33 is capable of storing increases. If it is desirable to further decrease the temperature of cavern 33, the option of routing stream 11 through valve 38 and line 13 directly to storage cavern 33 is followed.
- Gas is supplied from main pipeline stream 1.
- the gas to storage is routed through line 2 to exchanger 30 where it is cooled by LNG.
- the cooler gas exits exchanger 30 via stream 3 to knock out drum 31 to remove any condensate and debris present in the stream.
- the condensate is removed through stream 4.
- the cold gas is routed through stream 5 to compressor 32, where it is compressed and delivered through line 6 to exchanger 41 where it is cooled.
- the compressed and cooled stream 7 mixes with stream 11 and is stored through line 12 into gas cavern storage 33.
- LNG is supplied from tank 35 and is routed through line 8 to pump 36 where it is pressurized and routed through line 9.
- the LNG is routed to exchanger 30, to cool the gas to storage and exits the exchanger through line 10.
- the gas in stream 10 is colder than compressed gas in stream 6.
- the gas stream 10 enters exchanger 41 to cool the compressor discharge gas.
- the gas can then be routed through valve 39 to mix directly with stream 7 to storage 33 through line 12.
- the option of routing stream 11 through valve 38 and line 13 directly to storage cavern 33 is available.
- the operating conditions for the cavern are monitored by pressure and temperature sensors 34 .
- the objective is to increase the gas mass flow injection rate of compressor 32 by lowering the temperature of the gas suction line to the compressor, making the gas denser, thus increasing the mass flow rate whilst also decreasing the compressor outlet temperature.
- the compressor outlet temperature is further decreased by indirect mixing of stream 10 with stream 6 thus further improving the power requirements for compression.
- the described embodiment of Fig.3 provides the ability for gas cavern operators to increase the mass flow gas injection rates to cavern storage.
- the stored gas exits the cavern via stream 50 to meet demand.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Claims (10)
- Procédé d'augmentation des débits d'injection massiques de gaz dans une caverne de stockage de gaz, comprenant l'utilisation de gaz naturel liquide (GNL) pour refroidir le gaz naturel dans une ligne d'écoulement de gaz naturel en amont d'un compresseur utilisé pour comprimer du gaz en vue de son stockage dans une caverne de stockage de gaz.
- Procédé selon la revendication 1, comprenant une étape consistant à effectuer un échange thermique entre le gaz naturel dans la ligne d'écoulement de gaz naturel en amont du compresseur et le GNL qui passe à travers un échangeur de chaleur.
- Procédé selon la revendication 1, comprenant une étape consistant à utiliser du GNL pour refroidir le gaz naturel dans la ligne d'écoulement de gaz naturel en aval d'un compresseur avant que le gaz naturel comprimé entre dans la caverne de stockage de gaz.
- Procédé selon la revendication 3, comprenant une étape d'injection de GNL dans la ligne d'écoulement de gaz naturel en aval du compresseur.
- Procédé selon la revendication 3, comprenant une étape consistant à effectuer un échange thermique entre le gaz naturel dans la ligne d'écoulement de gaz naturel en aval du compresseur et le GNL qui passe à travers un échangeur de chaleur.
- Procédé selon la revendication 1, comprenant une étape d'exécution d'une injection directe de GNL dans la caverne de stockage de gaz.
- Procédé selon la revendication 4, comprenant une étape consistant à surveiller une température de la caverne de stockage de gaz et à commander l'injection de GNL dans la ligne d'écoulement de gaz naturel en aval du compresseur sur la base de la température de la caverne de stockage de gaz.
- Procédé d'augmentation des débits d'injection massiques de gaz dans une caverne de stockage de gaz, comprenant les étapes suivantes:effectuer un échange thermique entre le gaz naturel dans la ligne d'écoulement de gaz naturel en amont d'un compresseur utilisé pour comprimer du gaz en vue de son stockage dans une caverne de stockage de gaz et du gaz naturel liquide (GNL) qui passe à travers un échangeur de chaleur situé en amont afin de refroidir le gaz naturel dans la ligne d'écoulement de gaz naturel en amont d'un compresseur utilisé pour comprimer du gaz en vue de son stockage dans une caverne de stockage de gaz; etinjecter du GNL qui est passé à travers l'échangeur de chaleur situé en amont soit dans la ligne d'écoulement de gaz naturel en aval du compresseur, soit dans la caverne de stockage de gaz.
- Procédé selon la revendication 8, comprenant une étape consistant à effectuer un échange thermique entre le gaz naturel dans la ligne d'écoulement de gaz naturel en aval du compresseur et le GNL qui passe à travers un échangeur de chaleur.
- Procédé selon la revendication 8, comprenant une étape consistant à surveiller une température de la caverne de stockage de gaz et à procéder à une injection de GNL dans la ligne d'écoulement de gaz naturel en aval du compresseur ou dans la caverne de stockage de gaz, comme cela est nécessaire pour maintenir la caverne de stockage de gaz à une température présélectionnée.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CA2008/001975 WO2010051617A1 (fr) | 2008-11-10 | 2008-11-10 | Procédé d’augmentation des débits d’injection massiques de gaz dans des cavernes de stockage au moyen de gnl |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2364413A1 EP2364413A1 (fr) | 2011-09-14 |
EP2364413A4 EP2364413A4 (fr) | 2014-12-31 |
EP2364413B1 true EP2364413B1 (fr) | 2016-06-15 |
Family
ID=42152417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08877918.6A Active EP2364413B1 (fr) | 2008-11-10 | 2008-11-10 | Procédé d'augmentation des débits d'injection massiques de gaz dans des cavernes de stockage au moyen de gnl |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110214839A1 (fr) |
EP (1) | EP2364413B1 (fr) |
WO (1) | WO2010051617A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102506298B (zh) * | 2011-09-30 | 2013-11-06 | 中国寰球工程公司 | 用于液化天然气装车系统的冷循环系统和方法 |
CN102392935B (zh) * | 2011-10-27 | 2014-07-30 | 中国寰球工程公司 | 液化天然气装车系统和方法 |
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-
2008
- 2008-11-10 WO PCT/CA2008/001975 patent/WO2010051617A1/fr active Application Filing
- 2008-11-10 EP EP08877918.6A patent/EP2364413B1/fr active Active
- 2008-11-10 US US13/128,603 patent/US20110214839A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20110214839A1 (en) | 2011-09-08 |
EP2364413A4 (fr) | 2014-12-31 |
EP2364413A1 (fr) | 2011-09-14 |
WO2010051617A1 (fr) | 2010-05-14 |
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