ATE402237T1 - Viskoelastische flüssigkeiten für ölfeldanwendungen - Google Patents
Viskoelastische flüssigkeiten für ölfeldanwendungenInfo
- Publication number
- ATE402237T1 ATE402237T1 AT05076869T AT05076869T ATE402237T1 AT E402237 T1 ATE402237 T1 AT E402237T1 AT 05076869 T AT05076869 T AT 05076869T AT 05076869 T AT05076869 T AT 05076869T AT E402237 T1 ATE402237 T1 AT E402237T1
- Authority
- AT
- Austria
- Prior art keywords
- viscoelastic
- fracturing
- fluid
- viscoelastic fluid
- nanotube
- Prior art date
Links
Classifications
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/03—Specific additives for general use in well-drilling compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/602—Compositions for stimulating production by acting on the underground formation containing surfactants
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/72—Eroding chemicals, e.g. acids
- C09K8/74—Eroding chemicals, e.g. acids combined with additives added for specific purposes
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/10—Nanoparticle-containing well treatment fluids
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/30—Viscoelastic surfactants [VES]
-
- 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
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/922—Fracture fluid
-
- 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
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/926—Packer fluid
-
- 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
- Y10S977/00—Nanotechnology
- Y10S977/902—Specified use of nanostructure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Colloid Chemistry (AREA)
- Lubricants (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/932,958 US7244694B2 (en) | 2004-09-02 | 2004-09-02 | Viscoelastic fluids containing nanotubes for oilfield uses |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE402237T1 true ATE402237T1 (de) | 2008-08-15 |
Family
ID=35447850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05076869T ATE402237T1 (de) | 2004-09-02 | 2005-08-15 | Viskoelastische flüssigkeiten für ölfeldanwendungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US7244694B2 (de) |
EP (1) | EP1634938B1 (de) |
AT (1) | ATE402237T1 (de) |
CA (1) | CA2518016C (de) |
DE (1) | DE602005008324D1 (de) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9512346B2 (en) | 2004-02-10 | 2016-12-06 | Halliburton Energy Services, Inc. | Cement compositions and methods utilizing nano-hydraulic cement |
US8278252B2 (en) * | 2004-05-13 | 2012-10-02 | Baker Hughes Incorporated | Nano-sized particles for stabilizing viscoelastic surfactant fluids |
US7550413B2 (en) * | 2004-05-13 | 2009-06-23 | Baker Hughes Incorporated | Fluid loss control agents for viscoelastic surfactant fluids |
US7345013B2 (en) * | 2005-02-23 | 2008-03-18 | Schlumberger Technology Corporation | Polymer Crosslinking System Comprising Soluble Zr(IV), Carbonate and Bicarbonate Ions |
US8590622B2 (en) * | 2006-02-10 | 2013-11-26 | Halliburton Energy Services, Inc. | Organic acid compositions and methods of use in subterranean operations |
FR2897361A1 (fr) * | 2006-02-13 | 2007-08-17 | Arkema Sa | Dispersions aqueuses des nanotubes de carbone, leur procede de preparation et leur utilisation. |
FR2901154B1 (fr) * | 2006-05-18 | 2008-07-18 | Arkema France | Utilisation de materiaux composites a base de nanotubes de carbone comme agents viscosifiants de solutions aqueuses |
US8211603B2 (en) * | 2006-08-08 | 2012-07-03 | Xerox Corporation | Photoreceptor |
US9145510B2 (en) | 2007-05-30 | 2015-09-29 | Baker Hughes Incorporated | Use of nano-sized phyllosilicate minerals in viscoelastic surfactant fluids |
US20080300153A1 (en) | 2007-05-30 | 2008-12-04 | Baker Hughes Incorporated | Use of Nano-Sized Clay Minerals in Viscoelastic Surfactant Fluids |
FR2920782B1 (fr) * | 2007-09-07 | 2010-07-30 | Arkema France | Fluide de forage contenant des nanotubes de carbone |
EP2209548B1 (de) * | 2007-10-30 | 2013-04-24 | Unilever PLC | Verfahren zur viskositäts- und viskositätselastizitätssteigeriung in tensidlösungen durch zugabe von nanopartikeln und deren zusammensetzungen |
CA2652489C (en) * | 2008-02-04 | 2014-06-03 | Sanjel Corporation | Low residue fluid fracturing system and method of use |
US8895483B2 (en) * | 2008-05-05 | 2014-11-25 | Schlumberger Technology Corporation | Disproportionate permeability reduction using a viscoelastic surfactant |
JP5713524B2 (ja) * | 2008-07-11 | 2015-05-07 | ダブリュー・アール・グレイス・アンド・カンパニー−コネチカット | コンクリートにおける粘土活性を改善するためのスランプ保持混和剤 |
US8242781B2 (en) * | 2008-08-20 | 2012-08-14 | Lockheed Martin Corporation | System and method for determining sub surface geological features at an existing oil well site |
AU2015215837B2 (en) * | 2008-11-03 | 2016-10-20 | Halliburton Energy Services, Inc. | Cement compositions and methods utilizing nano-hydraulic cement |
CN101417795B (zh) * | 2008-11-24 | 2010-11-17 | 山东大学 | 一种含碳纳米管粘弹性流体的制备方法 |
US20100300928A1 (en) * | 2009-05-29 | 2010-12-02 | Dow Global Technologies Inc. | Aqueous compositions for enhanced hydrocarbon fluid recovery and methods of their use |
WO2010147859A1 (en) * | 2009-06-15 | 2010-12-23 | William Marsh Rice University | Nanomaterial-containing signaling compositions for assay of flowing liquid streams and geological formations and methods for use thereof |
US9377449B2 (en) | 2009-06-15 | 2016-06-28 | William Marsh Rice University | Nanocomposite oil sensors for downhole hydrocarbon detection |
US20110009299A1 (en) * | 2009-07-10 | 2011-01-13 | Van Zanten Ryan | Emulsion stabilizing agents for drilling and completion fluids |
US8887809B2 (en) * | 2009-08-31 | 2014-11-18 | Halliburton Energy Services, Inc. | Treatment fluids comprising transient polymer networks |
US8881820B2 (en) * | 2009-08-31 | 2014-11-11 | Halliburton Energy Services, Inc. | Treatment fluids comprising entangled equilibrium polymer networks |
US8813845B2 (en) * | 2009-08-31 | 2014-08-26 | Halliburton Energy Services, Inc. | Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use |
FR2950628B1 (fr) | 2009-09-25 | 2013-11-01 | Arkema France | Melange-maitre pour la fabrication de fluide de forage |
MX2012005096A (es) | 2009-10-30 | 2012-09-07 | Basf Se | Composicion adecuada para la produccion de extinguidores de espuma. |
US20110105369A1 (en) * | 2009-10-30 | 2011-05-05 | Halliburton Energy Services, Inc. | Well treatment fluids containing a viscoelastic surfactant and a cross-linking agent comprising a water-soluble transition metal complex |
WO2011054111A1 (en) * | 2009-11-09 | 2011-05-12 | Newpark Canada Inc. | Electrically conductive oil base drilling fluids containing carbon nanotubes |
CA2688202C (en) * | 2009-12-11 | 2012-11-13 | Bj Services Company | Viscoelastic fluids containing hydroxyethyl cellulose |
US8207096B2 (en) * | 2009-12-30 | 2012-06-26 | Halliburton Energy Services Inc. | Compressible packer fluids and methods of making and using same |
US20110220840A1 (en) * | 2010-03-11 | 2011-09-15 | Jorge Alvarado | Fluid Viscosity and Heat Transfer Via Optimized Energizing of Multi-Walled Carbon Nanotube-Based Fluids |
US8763695B2 (en) * | 2010-04-15 | 2014-07-01 | Halliburton Energy Services, Inc. | Electrically conductive oil-based drilling fluids |
US8835363B2 (en) | 2010-06-16 | 2014-09-16 | Saudi Arabian Oil Company | Drilling, drill-in and completion fluids containing nanoparticles for use in oil and gas field applications and methods related thereto |
US8592350B2 (en) | 2010-06-30 | 2013-11-26 | Halliburton Energy Services, Inc. | Surfactant additives used to retain producibility while drilling |
US8148303B2 (en) | 2010-06-30 | 2012-04-03 | Halliburton Energy Services Inc. | Surfactant additives used to retain producibility while drilling |
US8418761B2 (en) | 2010-07-29 | 2013-04-16 | Halliburton Energy Services, Inc. | Stimuli-responsive high viscosity pill |
US8453741B2 (en) | 2010-09-23 | 2013-06-04 | Halliburton Energy Services, Inc. | Tethered polymers used to enhance the stability of microemulsion fluids |
US8403051B2 (en) * | 2010-10-13 | 2013-03-26 | Baker Hughes Incorporated | Stabilizing emulsified acids for carbonate acidizing |
ES2719111T3 (es) | 2010-10-19 | 2019-07-08 | Gcp Applied Tech Inc | Arenas manufacturadas que contienen arcilla para composiciones cementosas hidratables |
US9243483B2 (en) | 2010-10-27 | 2016-01-26 | Stuart R. Keller | Methods of using nano-particles in wellbore operations |
US8763703B2 (en) * | 2011-01-13 | 2014-07-01 | Halliburton Energy Services, Inc. | Nanohybrid phase interfaces for altering wettability in oil field applications |
FR2971809B1 (fr) * | 2011-02-23 | 2014-02-28 | Total Sa | Procede de production d'hydrocarbures et installation pour la mise en oeuvre |
US9006151B2 (en) * | 2011-09-12 | 2015-04-14 | Saudi Arabian Oil Company | Water-based drilling fluid composition having a multifunctional mud additive for reducing fluid loss during drilling |
WO2013116198A1 (en) * | 2012-02-02 | 2013-08-08 | Halliburton Energy Services, Inc. | Nanohybrid phase interfaces for altering wettability in oil field applications |
GB201210034D0 (en) | 2012-06-07 | 2012-07-18 | Univ Leeds | A method of inhibiting scale in a geological formation |
FR2997090B1 (fr) | 2012-10-19 | 2015-10-16 | Arkema France | Fluide de forage contenant du graphene |
US9637674B2 (en) | 2014-07-21 | 2017-05-02 | Baker Hughes Incorporated | Electrically conductive oil-based fluids |
US10280356B2 (en) | 2014-07-21 | 2019-05-07 | Baker Hughes, A Ge Company, Llc | Electrically conductive oil-based fluids |
CN104130763A (zh) * | 2014-07-24 | 2014-11-05 | 中国石油天然气股份有限公司 | 含纳米碳管和粘弹性阴离子表面活性剂的压裂液及其制法 |
US11008523B2 (en) | 2014-10-17 | 2021-05-18 | Cameron International Corporation | Chemical inhibitors with sub-micron materials as additives for enhanced flow assurance |
CN104927799A (zh) * | 2015-06-08 | 2015-09-23 | 西安石油大学 | 一种碳纳米管复合稠化剂及其制备方法 |
US10047279B2 (en) | 2016-05-12 | 2018-08-14 | Saudi Arabian Oil Company | High temperature viscoelastic surfactant (VES) fluids comprising polymeric viscosity modifiers |
US10407606B2 (en) * | 2016-05-12 | 2019-09-10 | Saudi Arabian Oil Company | High temperature viscoelastic surfactant (VES) fluids comprising nanoparticle viscosity modifiers |
WO2018022070A1 (en) * | 2016-07-28 | 2018-02-01 | Halliburton Energy Services, Inc. | Encapsulating oxidizing breakers for downhole applications |
CN106433603B (zh) * | 2016-09-14 | 2018-10-19 | 西南石油大学 | 一种碳纳米管掺杂的压裂液体系 |
CN107418531B (zh) * | 2017-05-26 | 2020-02-14 | 西南石油大学 | 非磺化抗高温降滤失水基钻井液 |
US10563119B2 (en) | 2017-07-27 | 2020-02-18 | Saudi Arabian Oil Company | Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency |
CN109681174B (zh) * | 2017-10-18 | 2021-08-03 | 中国石油化工股份有限公司 | 采用耐高温高盐固体泡沫排水剂排水采气的方法 |
US11661841B2 (en) | 2018-12-10 | 2023-05-30 | Conocophillips Company | Downhole communication carrier fluid |
US11377944B2 (en) * | 2019-04-17 | 2022-07-05 | Saudi Arabian Oil Company | Methods of suspending proppants in hydraulic fracturing fluid |
WO2021071952A1 (en) * | 2019-10-07 | 2021-04-15 | Mitsubishi Gas Chemical Company, Inc. | Acid matrix applications: well stimulation and completion fluids using viscoelastic surfactants and modified additives |
CN113265234A (zh) * | 2020-02-14 | 2021-08-17 | 中国石油天然气股份有限公司 | 一种耐高温碳纳米管杂化压裂液及其制备方法 |
US20220306929A1 (en) * | 2021-03-26 | 2022-09-29 | Saudi Arabian Oil Company | Super hydrophobic 2d nanosheet materials for improved oil recovery |
CN115011326A (zh) * | 2022-07-22 | 2022-09-06 | 山东欣广化学有限公司 | 油田用清洁压裂液及其制备方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4725372A (en) | 1980-10-27 | 1988-02-16 | The Dow Chemical Company | Aqueous wellbore service fluids |
US4796702A (en) | 1984-06-25 | 1989-01-10 | Petrolite Corporation | Multipurpose aqueous foamer |
US5258137A (en) | 1984-12-24 | 1993-11-02 | The Dow Chemical Company | Viscoelastic surfactant based foam fluids |
CA1298697C (en) | 1987-07-30 | 1992-04-14 | Warren Lee Nehmer | Viscoelastic surfactant gravel carrier fluids |
US5551516A (en) | 1995-02-17 | 1996-09-03 | Dowell, A Division Of Schlumberger Technology Corporation | Hydraulic fracturing process and compositions |
US6435277B1 (en) | 1996-10-09 | 2002-08-20 | Schlumberger Technology Corporation | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations |
US5964295A (en) * | 1996-10-09 | 1999-10-12 | Schlumberger Technology Corporation, Dowell Division | Methods and compositions for testing subterranean formations |
US6258859B1 (en) * | 1997-06-10 | 2001-07-10 | Rhodia, Inc. | Viscoelastic surfactant fluids and related methods of use |
US5979555A (en) | 1997-12-02 | 1999-11-09 | Akzo Nobel Nv | Surfactants for hydraulic fractoring compositions |
GB2335679B (en) | 1998-03-27 | 2000-09-13 | Sofitech Nv | Gelling composition based on monomeric viscoelastic surfactants for wellbore service fluids |
US6399546B1 (en) | 1999-10-15 | 2002-06-04 | Schlumberger Technology Corporation | Fluid system having controllable reversible viscosity |
AU2001260178B2 (en) | 2000-04-05 | 2005-12-15 | Schlumberger Technology B.V. | Viscosity reduction of viscoelastic surfactant based fluids |
WO2001083946A1 (en) * | 2000-05-03 | 2001-11-08 | Trican Well Service Ltd. | Fracturing fluid |
US6762154B2 (en) | 2000-09-21 | 2004-07-13 | Schlumberger Technology Corporation | Viscoelastic surfactant fluids stable at high brine concentrations |
US6605570B2 (en) | 2001-03-01 | 2003-08-12 | Schlumberger Technology Corporation | Compositions and methods to control fluid loss in surfactant-based wellbore service fluids |
GB2383355A (en) * | 2001-12-22 | 2003-06-25 | Schlumberger Holdings | An aqueous viscoelastic fluid containing hydrophobically modified polymer and viscoelastic surfactant |
US7595284B2 (en) * | 2004-06-07 | 2009-09-29 | Crews James B | Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants |
US20060293434A1 (en) * | 2004-07-07 | 2006-12-28 | The Trustees Of The University Of Pennsylvania | Single wall nanotube composites |
-
2004
- 2004-09-02 US US10/932,958 patent/US7244694B2/en not_active Expired - Fee Related
-
2005
- 2005-08-15 EP EP05076869A patent/EP1634938B1/de not_active Not-in-force
- 2005-08-15 DE DE602005008324T patent/DE602005008324D1/de active Active
- 2005-08-15 AT AT05076869T patent/ATE402237T1/de not_active IP Right Cessation
- 2005-09-01 CA CA002518016A patent/CA2518016C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1634938B1 (de) | 2008-07-23 |
CA2518016C (en) | 2010-02-02 |
US20060046937A1 (en) | 2006-03-02 |
US7244694B2 (en) | 2007-07-17 |
EP1634938A1 (de) | 2006-03-15 |
CA2518016A1 (en) | 2006-03-02 |
DE602005008324D1 (de) | 2008-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |