DE69915485D1 - Faseroptisches kabel zur verwendung unter ungünstigen betriebszuständen - Google Patents
Faseroptisches kabel zur verwendung unter ungünstigen betriebszuständenInfo
- Publication number
- DE69915485D1 DE69915485D1 DE69915485T DE69915485T DE69915485D1 DE 69915485 D1 DE69915485 D1 DE 69915485D1 DE 69915485 T DE69915485 T DE 69915485T DE 69915485 T DE69915485 T DE 69915485T DE 69915485 D1 DE69915485 D1 DE 69915485D1
- Authority
- DE
- Germany
- Prior art keywords
- operating conditions
- optical cable
- fiber optical
- unfavorable operating
- unfavorable
- 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.)
- Expired - Lifetime
Links
- 239000000835 fiber Substances 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
- E21B47/135—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4484—Manufacturing methods of optical cables with desired surplus length between fibres and protection features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
- G02B6/4488—Protective covering using metallic tubes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Insulated Conductors (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US121468 | 1998-07-23 | ||
US09/121,468 US6404961B1 (en) | 1998-07-23 | 1998-07-23 | Optical fiber cable having fiber in metal tube core with outer protective layer |
PCT/US1999/016590 WO2000005612A1 (en) | 1998-07-23 | 1999-07-22 | Optical fiber cable for use in harsh environments |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69915485D1 true DE69915485D1 (de) | 2004-04-15 |
DE69915485T2 DE69915485T2 (de) | 2005-03-03 |
Family
ID=22396923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69915485T Expired - Lifetime DE69915485T2 (de) | 1998-07-23 | 1999-07-22 | Faseroptisches kabel zur verwendung unter ungünstigen betriebszuständen |
Country Status (11)
Country | Link |
---|---|
US (2) | US6404961B1 (de) |
EP (1) | EP1099133B1 (de) |
JP (1) | JP3814144B2 (de) |
CN (1) | CN1317102A (de) |
AU (1) | AU757823B2 (de) |
CA (1) | CA2338517C (de) |
DE (1) | DE69915485T2 (de) |
MX (1) | MXPA01000756A (de) |
NO (1) | NO320832B1 (de) |
RU (1) | RU2001105908A (de) |
WO (1) | WO2000005612A1 (de) |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6404961B1 (en) * | 1998-07-23 | 2002-06-11 | Weatherford/Lamb, Inc. | Optical fiber cable having fiber in metal tube core with outer protective layer |
US6496625B1 (en) | 1998-08-26 | 2002-12-17 | Weatherford/Lamb, Inc. | Transmission cable optical fiber protector and method |
US6557249B1 (en) * | 2000-04-22 | 2003-05-06 | Halliburton Energy Services, Inc. | Optical fiber deployment system and cable |
US20030159283A1 (en) * | 2000-04-22 | 2003-08-28 | White Craig W. | Optical fiber cable |
DE10201719A1 (de) * | 2002-01-18 | 2003-07-31 | Ccs Technology Inc | Lichtwellenleiterkabel für eine Installation desselben in einer Gasleitung |
US7036601B2 (en) | 2002-10-06 | 2006-05-02 | Weatherford/Lamb, Inc. | Apparatus and method for transporting, deploying, and retrieving arrays having nodes interconnected by sections of cable |
US20040065437A1 (en) * | 2002-10-06 | 2004-04-08 | Weatherford/Lamb Inc. | In-well seismic sensor casing coupling using natural forces in wells |
CA2444379C (en) | 2002-10-06 | 2007-08-07 | Weatherford/Lamb, Inc. | Multiple component sensor mechanism |
US6888972B2 (en) * | 2002-10-06 | 2005-05-03 | Weatherford/Lamb, Inc. | Multiple component sensor mechanism |
US6915686B2 (en) | 2003-02-11 | 2005-07-12 | Optoplan A.S. | Downhole sub for instrumentation |
US7159653B2 (en) | 2003-02-27 | 2007-01-09 | Weatherford/Lamb, Inc. | Spacer sub |
US9377598B2 (en) | 2003-04-24 | 2016-06-28 | Weatherford Technology Holdings, Llc | Fiber optic cable systems and methods to prevent hydrogen ingress |
US7024081B2 (en) * | 2003-04-24 | 2006-04-04 | Weatherford/Lamb, Inc. | Fiber optic cable for use in harsh environments |
US7646953B2 (en) | 2003-04-24 | 2010-01-12 | Weatherford/Lamb, Inc. | Fiber optic cable systems and methods to prevent hydrogen ingress |
US7082239B2 (en) * | 2003-06-17 | 2006-07-25 | Weatherford/Lamb, Inc. | Protected optical fiber cable and hydrogen gettering agent |
US7199869B2 (en) * | 2003-10-29 | 2007-04-03 | Weatherford/Lamb, Inc. | Combined Bragg grating wavelength interrogator and Brillouin backscattering measuring instrument |
US20050236161A1 (en) * | 2004-04-23 | 2005-10-27 | Michael Gay | Optical fiber equipped tubing and methods of making and using |
US20050281517A1 (en) * | 2004-06-18 | 2005-12-22 | Wessels Robert A Jr | Multi-layered buffer tube for optical fiber cable |
US6907170B1 (en) | 2004-07-22 | 2005-06-14 | Halliburton Energy Services, Inc. | Hydrogen diffusion delay barrier for fiber optic cables used in hostile environments |
US7400803B2 (en) * | 2005-03-25 | 2008-07-15 | Welldynamics, B.V. | Method and apparatus for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments |
US7218820B2 (en) * | 2004-07-22 | 2007-05-15 | Welldynamics, Inc. | Method and system for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments |
US7221832B2 (en) * | 2004-08-31 | 2007-05-22 | Adc Telecommunications, Inc. | Fiber optic cable thermal protection device and method |
US7269319B2 (en) * | 2004-11-03 | 2007-09-11 | Adc Telecommunications, Inc. | Outside plant fiber optic cable with thermal protection |
US7269320B2 (en) | 2004-11-13 | 2007-09-11 | Afl Telecommunications, Llc | Fiber optic cable with miniature bend incorporated |
US20080124035A1 (en) * | 2004-12-01 | 2008-05-29 | Philip Head | Cables |
US7660206B2 (en) * | 2004-12-21 | 2010-02-09 | Optoplan As | Ocean bottom seismic station |
DE602005021160D1 (de) * | 2005-03-29 | 2010-06-17 | Prysmian Spa | Verfahren und vorrichtung zur herstellung eines optischen kabels und so hergestelltes kabel |
US7119283B1 (en) * | 2005-06-15 | 2006-10-10 | Schlumberger Technology Corp. | Enhanced armor wires for electrical cables |
US7673679B2 (en) * | 2005-09-19 | 2010-03-09 | Schlumberger Technology Corporation | Protective barriers for small devices |
US7740064B2 (en) | 2006-05-24 | 2010-06-22 | Baker Hughes Incorporated | System, method, and apparatus for downhole submersible pump having fiber optic communications |
US7654318B2 (en) * | 2006-06-19 | 2010-02-02 | Schlumberger Technology Corporation | Fluid diversion measurement methods and systems |
US9201207B2 (en) * | 2006-08-02 | 2015-12-01 | Schlumberger Technology Corporation | Packaging for encasing an optical fiber in a cable |
US20080031578A1 (en) * | 2006-08-02 | 2008-02-07 | Joseph Varkey | Packaging for encasing an optical fiber in a cable |
GB2454613B (en) * | 2006-08-16 | 2011-05-25 | Schlumberger Holdings | Fiber-optic transducer for fluid and/or gas velocity measure ment |
US8496053B2 (en) | 2007-03-01 | 2013-07-30 | Weatherford/Lamb, Inc. | Erosional protection of fiber optic cable |
WO2008132637A1 (en) * | 2007-04-25 | 2008-11-06 | Schlumberger Canada Limited | Bend insensitive opto-electrical cables with improved fatigue life |
US7860362B2 (en) | 2007-06-08 | 2010-12-28 | Westerngeco L.L.C. | Enhanced fiber optic seismic land cable |
US7496258B1 (en) | 2007-11-09 | 2009-02-24 | Schlumberger Technology Corporation | Hydrocarbon monitoring cable |
US20090123109A1 (en) | 2007-11-09 | 2009-05-14 | Lxdata Inc | Temperature sensor using an optical fiber |
US7769251B2 (en) * | 2007-11-12 | 2010-08-03 | Schlumberger Technology Corporation | Hydrocarbon monitoring cable with an absorbing layer |
US8090227B2 (en) * | 2007-12-28 | 2012-01-03 | Halliburton Energy Services, Inc. | Purging of fiber optic conduits in subterranean wells |
US7912333B2 (en) | 2008-02-05 | 2011-03-22 | Schlumberger Technology Corporation | Dual conductor fiber optic cable |
WO2009099332A1 (en) * | 2008-02-07 | 2009-08-13 | Tecwel As | Data communication link |
DE102008026082B8 (de) | 2008-05-30 | 2011-11-17 | Nkt Cables Gmbh | Verfahren zum Betreiben eines Bohrlochkabels und Bohrlochkabel |
DE102009010289A1 (de) * | 2009-02-24 | 2010-09-02 | Siemens Aktiengesellschaft | Vorrichtung zur Temperaturmessung in elektromagnetischen Feldern, Verwendung dieser Vorrichtung sowie zugehörige Messanordnung |
US20110144790A1 (en) * | 2009-12-15 | 2011-06-16 | Terry Gerritsen | Thermal Sensing for Material Processing Assemblies |
US9104008B2 (en) | 2010-03-24 | 2015-08-11 | Weatherford Technology Holdings, Llc | Optical fiber coating to prevent adhesion at high temperatures |
US9971032B1 (en) | 2010-10-15 | 2018-05-15 | Adaptive Wireless Solutions, L.L.C. | Acoustic sensor holder and apparatus using same |
GB201018538D0 (en) * | 2010-11-03 | 2010-12-15 | Wellstream Int Ltd | Parameter sensing |
US20120224801A1 (en) * | 2011-03-04 | 2012-09-06 | Baker Hughes Incorporated | Fiber optic sealing apparatus |
US8942527B2 (en) * | 2011-03-22 | 2015-01-27 | Baker Hughes Incorporated | Extended temperature fiber optic cable design |
US8831390B2 (en) | 2011-09-20 | 2014-09-09 | Lios Technology Gmbh | Fiber-optic cable |
CN103033894B (zh) * | 2011-09-30 | 2015-04-22 | 中国海洋石油总公司 | 一种光缆及其制备方法 |
EP2769386A4 (de) * | 2011-10-17 | 2016-02-17 | Services Petroliers Schlumberger | Doppelfunktionskabel mit faseroptischem gehäuse zur verwendung bei bohrlochoperationen |
US9705605B2 (en) | 2012-02-09 | 2017-07-11 | N2 Imaging Systems, LLC | Intrapersonal data communication system |
WO2014150076A1 (en) | 2013-03-14 | 2014-09-25 | N2 Imaging Systems, LLC | Intrapersonal data communication system |
US9042736B2 (en) | 2012-02-09 | 2015-05-26 | N2 Imaging Systems, LLC | Intrapersonal data communication systems |
US9057659B2 (en) * | 2012-05-22 | 2015-06-16 | Rosemount Inc. | Pressure transmitter with hydrogen getter |
GB2518774B (en) | 2012-06-28 | 2020-01-29 | Schlumberger Holdings | High power opto-electrical cable with multiple power and telemetry paths |
GB2530204A (en) * | 2013-08-02 | 2016-03-16 | Halliburton Energy Services Inc | Acoustic sensor metadata dubbing channel |
US9341778B2 (en) * | 2013-11-08 | 2016-05-17 | Weatherford Canada Partnership | Fiber optic splice protector for harsh environments |
US10738577B2 (en) | 2014-07-22 | 2020-08-11 | Schlumberger Technology Corporation | Methods and cables for use in fracturing zones in a well |
US10001613B2 (en) * | 2014-07-22 | 2018-06-19 | Schlumberger Technology Corporation | Methods and cables for use in fracturing zones in a well |
US11725468B2 (en) | 2015-01-26 | 2023-08-15 | Schlumberger Technology Corporation | Electrically conductive fiber optic slickline for coiled tubing operations |
US11344975B2 (en) * | 2015-04-09 | 2022-05-31 | Siemens Energy, Inc. | Optically conductive filler for laser processing |
JP2018530784A (ja) * | 2015-10-16 | 2018-10-18 | エーエフエル・テレコミュニケーションズ・エルエルシー | 高温用途のための光ファイバおよびケーブル |
US10113837B2 (en) | 2015-11-03 | 2018-10-30 | N2 Imaging Systems, LLC | Non-contact optical connections for firearm accessories |
US10049789B2 (en) | 2016-06-09 | 2018-08-14 | Schlumberger Technology Corporation | Compression and stretch resistant components and cables for oilfield applications |
US20180258710A1 (en) * | 2017-03-07 | 2018-09-13 | Afl Telecommunications Llc | Downhole cables having extruded aluminum encapsulation layers |
CN107287569B (zh) * | 2017-06-06 | 2019-11-05 | 沈阳工程学院 | 一种光缆及其制备方法 |
US10971284B2 (en) | 2017-06-27 | 2021-04-06 | Halliburton Energy Services, Inc. | Power and communications cable for coiled tubing operations |
CN107240459A (zh) * | 2017-07-12 | 2017-10-10 | 中天电力光缆有限公司 | 一种光电复合缆及其制造方法 |
US10338336B1 (en) | 2018-01-08 | 2019-07-02 | Weatherford Technology Holdings, Llc | Fiber optic cable for inhibiting breaching fluid flow |
US10753709B2 (en) | 2018-05-17 | 2020-08-25 | Sensors Unlimited, Inc. | Tactical rails, tactical rail systems, and firearm assemblies having tactical rails |
US10645348B2 (en) | 2018-07-07 | 2020-05-05 | Sensors Unlimited, Inc. | Data communication between image sensors and image displays |
US11079202B2 (en) | 2018-07-07 | 2021-08-03 | Sensors Unlimited, Inc. | Boresighting peripherals to digital weapon sights |
US10742913B2 (en) | 2018-08-08 | 2020-08-11 | N2 Imaging Systems, LLC | Shutterless calibration |
US10921578B2 (en) | 2018-09-07 | 2021-02-16 | Sensors Unlimited, Inc. | Eyecups for optics |
US10606005B1 (en) * | 2018-09-12 | 2020-03-31 | Prysmian S.P.A. | Optical cables having an inner sheath attached to a metal tube |
US11122698B2 (en) | 2018-11-06 | 2021-09-14 | N2 Imaging Systems, LLC | Low stress electronic board retainers and assemblies |
US10801813B2 (en) | 2018-11-07 | 2020-10-13 | N2 Imaging Systems, LLC | Adjustable-power data rail on a digital weapon sight |
US10796860B2 (en) | 2018-12-12 | 2020-10-06 | N2 Imaging Systems, LLC | Hermetically sealed over-molded button assembly |
US11143838B2 (en) | 2019-01-08 | 2021-10-12 | N2 Imaging Systems, LLC | Optical element retainers |
GB202102527D0 (en) * | 2021-02-23 | 2021-04-07 | Wires&Bytes Gmbh | Downhole cable |
US11454776B1 (en) * | 2021-05-11 | 2022-09-27 | Southern Grace Properties, Llc | Fiber optic protection assembly for preventing fluid from entering into a fiber termination sub |
RU207695U1 (ru) * | 2021-09-09 | 2021-11-11 | Акционерное общество "Москабельмет" (АО "МКМ") | Оптический сенсорный кабель |
US20230243695A1 (en) * | 2022-01-31 | 2023-08-03 | Halliburton Energy Services, Inc. | Multi-layer fiber optic cable with a cured gelling material and methods of making and using same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4278835A (en) * | 1977-12-16 | 1981-07-14 | The Post Office | Submarine communication cable including optical fibres within an electrically conductive tube |
US4183621A (en) * | 1977-12-29 | 1980-01-15 | International Telephone And Telegraph Corporation | Water resistant high strength fibers |
US4477147A (en) | 1981-11-23 | 1984-10-16 | Olin Corporation | Method and apparatus for assembling an optical fiber communication cable |
US4579420A (en) | 1983-06-16 | 1986-04-01 | Olin Corporation | Two-pole powered ruggedized optical fiber cable and method and apparatus for forming the same |
US4718747A (en) | 1984-04-27 | 1988-01-12 | Societa Cavi Pirelli S.P.A. | Optical fiber and cable with hydrogen combining layer |
IT1176135B (it) | 1984-04-27 | 1987-08-12 | Pirelli Cavi Spa | Fibra ottica protetta contro l'assorbimento di idrogeno gassoso |
IT1185667B (it) * | 1985-08-30 | 1987-11-12 | Pirelli Cavi Spa | Cavo per telecomunicazione a fibre ottiche |
JPS6273423U (de) * | 1985-10-26 | 1987-05-11 | ||
US5199096A (en) * | 1991-10-30 | 1993-03-30 | Krishnaswamy Kathiresan | Steam-resistant cable such as steam-resistant optical fiber cable |
IT1264902B1 (it) * | 1993-06-29 | 1996-10-17 | Pirelli Cavi Spa | Composizione idrogeno-assorbente per cavi a fibre ottiche e cavo a fibre ottiche includente la suddetta composizione |
US5917978A (en) * | 1997-01-10 | 1999-06-29 | Siecor Corporation | Buffered optical fiber having improved low temperature performance and stripability |
DE19743616A1 (de) | 1997-10-02 | 1999-04-08 | Cit Alcatel | Verfahren zur Herstellung eines Metallröhrchens mit optischer Faser |
US6404961B1 (en) * | 1998-07-23 | 2002-06-11 | Weatherford/Lamb, Inc. | Optical fiber cable having fiber in metal tube core with outer protective layer |
-
1998
- 1998-07-23 US US09/121,468 patent/US6404961B1/en not_active Expired - Lifetime
-
1999
- 1999-07-22 MX MXPA01000756A patent/MXPA01000756A/es unknown
- 1999-07-22 CN CN99810498A patent/CN1317102A/zh active Pending
- 1999-07-22 EP EP99941959A patent/EP1099133B1/de not_active Expired - Lifetime
- 1999-07-22 JP JP2000561525A patent/JP3814144B2/ja not_active Expired - Fee Related
- 1999-07-22 RU RU2001105908A patent/RU2001105908A/ru unknown
- 1999-07-22 DE DE69915485T patent/DE69915485T2/de not_active Expired - Lifetime
- 1999-07-22 WO PCT/US1999/016590 patent/WO2000005612A1/en active IP Right Grant
- 1999-07-22 AU AU55430/99A patent/AU757823B2/en not_active Ceased
- 1999-07-22 CA CA002338517A patent/CA2338517C/en not_active Expired - Fee Related
-
2001
- 2001-01-22 NO NO20010368A patent/NO320832B1/no not_active IP Right Cessation
-
2002
- 2002-05-03 US US10/139,006 patent/US6690866B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU5543099A (en) | 2000-02-14 |
DE69915485T2 (de) | 2005-03-03 |
MXPA01000756A (es) | 2002-04-08 |
JP3814144B2 (ja) | 2006-08-23 |
EP1099133B1 (de) | 2004-03-10 |
JP2002521714A (ja) | 2002-07-16 |
NO20010368L (no) | 2001-03-16 |
AU757823B2 (en) | 2003-03-06 |
US20020126969A1 (en) | 2002-09-12 |
US6404961B1 (en) | 2002-06-11 |
RU2001105908A (ru) | 2003-04-10 |
EP1099133A1 (de) | 2001-05-16 |
US20020076177A1 (en) | 2002-06-20 |
US6690866B2 (en) | 2004-02-10 |
WO2000005612A9 (en) | 2000-06-02 |
CA2338517A1 (en) | 2000-02-03 |
CN1317102A (zh) | 2001-10-10 |
CA2338517C (en) | 2006-05-16 |
NO320832B1 (no) | 2006-01-30 |
WO2000005612A1 (en) | 2000-02-03 |
NO20010368D0 (no) | 2001-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |