NO971443L - Fremgangsmåte for fremstilling av fenolharpiks belagt sand, samt fremgangsmåte for behandling av undergrunnsformasjoner ved hjelp av den belagte sand - Google Patents
Fremgangsmåte for fremstilling av fenolharpiks belagt sand, samt fremgangsmåte for behandling av undergrunnsformasjoner ved hjelp av den belagte sandInfo
- Publication number
- NO971443L NO971443L NO971443A NO971443A NO971443L NO 971443 L NO971443 L NO 971443L NO 971443 A NO971443 A NO 971443A NO 971443 A NO971443 A NO 971443A NO 971443 L NO971443 L NO 971443L
- Authority
- NO
- Norway
- Prior art keywords
- phenolic resin
- resin coated
- coated sand
- preparing phenolic
- resin
- Prior art date
Links
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title abstract 2
- 239000005011 phenolic resin Substances 0.000 title abstract 2
- 229920001568 phenolic resin Polymers 0.000 title abstract 2
- 239000004576 sand Substances 0.000 title 1
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 abstract 1
- 238000010348 incorporation Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/885—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving 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
- 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
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
- C09K8/805—Coated proppants
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/025—Consolidation of loose sand or the like round the wells without excessively decreasing the permeability thereof
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Compounds Of Unknown Constitution (AREA)
- Laminated Bodies (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Lubricants (AREA)
- Mold Materials And Core Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/792,004 US5218038A (en) | 1991-11-14 | 1991-11-14 | Phenolic resin coated proppants with reduced hydraulic fluid interaction |
Publications (3)
Publication Number | Publication Date |
---|---|
NO971443L true NO971443L (no) | 1993-05-18 |
NO971443D0 NO971443D0 (no) | 1997-03-26 |
NO307060B1 NO307060B1 (no) | 2000-01-31 |
Family
ID=25155505
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO924393A NO300695B1 (no) | 1991-11-14 | 1992-11-13 | Herdbart fenolharpiksmateriale, fremstilling av fenolharpiksbelagt sand og anvendelse som undergrunnsproppingsmiddel |
NO971443A NO307060B1 (no) | 1991-11-14 | 1997-03-26 | Fremgangsmåte for fremstilling av fenolharpiks belagt sand, samt fremgangsmåte for behandling av undergrunnsformasjoner ved hjelp av den belagte sand |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO924393A NO300695B1 (no) | 1991-11-14 | 1992-11-13 | Herdbart fenolharpiksmateriale, fremstilling av fenolharpiksbelagt sand og anvendelse som undergrunnsproppingsmiddel |
Country Status (12)
Country | Link |
---|---|
US (1) | US5218038A (no) |
EP (1) | EP0542397B1 (no) |
AT (1) | ATE144306T1 (no) |
AU (1) | AU649841B2 (no) |
BR (1) | BR9201955A (no) |
CA (1) | CA2067261C (no) |
DE (1) | DE69214598T2 (no) |
DK (1) | DK0542397T3 (no) |
ES (1) | ES2093195T3 (no) |
GR (1) | GR3021476T3 (no) |
MX (1) | MX9204562A (no) |
NO (2) | NO300695B1 (no) |
Families Citing this family (87)
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US5639806A (en) * | 1995-03-28 | 1997-06-17 | Borden Chemical, Inc. | Bisphenol-containing resin coating articles and methods of using same |
US5582249A (en) * | 1995-08-02 | 1996-12-10 | Halliburton Company | Control of particulate flowback in subterranean wells |
US6528157B1 (en) | 1995-11-01 | 2003-03-04 | Borden Chemical, Inc. | Proppants with fiber reinforced resin coatings |
US5697440A (en) * | 1996-01-04 | 1997-12-16 | Halliburton Energy Services, Inc. | Control of particulate flowback in subterranean wells |
WO1997048751A1 (en) * | 1996-06-19 | 1997-12-24 | International Paper Company | Resin encapsulated particles |
CA2251973C (en) * | 1997-02-27 | 2002-04-16 | Borden Chemical, Inc. | Wood-product laminated composites |
US5916850A (en) * | 1997-11-06 | 1999-06-29 | Indian Oil Corporaton Limited | Multifunctional additives from cashew nut shell liquid |
US5944105A (en) * | 1997-11-11 | 1999-08-31 | Halliburton Energy Services, Inc. | Well stabilization methods |
US6114410A (en) * | 1998-07-17 | 2000-09-05 | Technisand, Inc. | Proppant containing bondable particles and removable particles |
US6387501B1 (en) | 1999-08-02 | 2002-05-14 | Borden Chemical, Inc. | Phenolic coated refractory aggregates |
US6797021B2 (en) | 2000-10-05 | 2004-09-28 | Indian Oil Corporation Limited | Process of preparation of novel mannich bases from hydrogenated and distilled cashew nut shell liquid (CNSL) for use as additive in liquid hydrocarbon fuels |
US6638898B2 (en) | 2001-01-08 | 2003-10-28 | Indian Oil Corporation Limited | Process of preparing multi-functional amino di(alkylcyclohexyl) phosphordithioate additive for lubricant composition from saturated cashew nut shell liquid |
BR0200481A (pt) | 2001-09-03 | 2003-04-29 | Indian Oil Corp Ltd | Processo para a preparação de derivados de ácido fenóxi carboxìlico e composição lubrificante |
US6691780B2 (en) | 2002-04-18 | 2004-02-17 | Halliburton Energy Services, Inc. | Tracking of particulate flowback in subterranean wells |
US6660696B1 (en) | 2002-05-24 | 2003-12-09 | Indian Oil Corporation Limited | Thermally stable phosphorothionates as antioxidant, antiwear, friction reducing and extreme pressure lubricant additives from cashew nut shell liquid |
US7153575B2 (en) * | 2002-06-03 | 2006-12-26 | Borden Chemical, Inc. | Particulate material having multiple curable coatings and methods for making and using same |
US20040023818A1 (en) * | 2002-08-05 | 2004-02-05 | Nguyen Philip D. | Method and product for enhancing the clean-up of hydrocarbon-producing well |
CA2521007C (en) * | 2003-04-15 | 2009-08-11 | Hexion Specialty Chemicals, Inc. | Particulate material containing thermoplastic elastomer and methods for making and using same |
US7772163B1 (en) | 2003-06-20 | 2010-08-10 | Bj Services Company Llc | Well treating composite containing organic lightweight material and weight modifying agent |
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US7021379B2 (en) * | 2003-07-07 | 2006-04-04 | Halliburton Energy Services, Inc. | Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures |
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US20050173116A1 (en) | 2004-02-10 | 2005-08-11 | Nguyen Philip D. | Resin compositions and methods of using resin compositions to control proppant flow-back |
US7211547B2 (en) | 2004-03-03 | 2007-05-01 | Halliburton Energy Services, Inc. | Resin compositions and methods of using such resin compositions in subterranean applications |
US7244492B2 (en) * | 2004-03-04 | 2007-07-17 | Fairmount Minerals, Ltd. | Soluble fibers for use in resin coated proppant |
US7063151B2 (en) * | 2004-03-05 | 2006-06-20 | Halliburton Energy Services, Inc. | Methods of preparing and using coated particulates |
US7299875B2 (en) | 2004-06-08 | 2007-11-27 | Halliburton Energy Services, Inc. | Methods for controlling particulate migration |
US20060011296A1 (en) * | 2004-07-16 | 2006-01-19 | Tokyo Electron Limited | Substrate processing apparatus, substrate processing method, and computer program |
US7255169B2 (en) * | 2004-09-09 | 2007-08-14 | Halliburton Energy Services, Inc. | Methods of creating high porosity propped fractures |
US7757768B2 (en) | 2004-10-08 | 2010-07-20 | Halliburton Energy Services, Inc. | Method and composition for enhancing coverage and displacement of treatment fluids into subterranean formations |
US7883740B2 (en) | 2004-12-12 | 2011-02-08 | Halliburton Energy Services, Inc. | Low-quality particulates and methods of making and using improved low-quality particulates |
US7673686B2 (en) | 2005-03-29 | 2010-03-09 | Halliburton Energy Services, Inc. | Method of stabilizing unconsolidated formation for sand control |
US7318474B2 (en) | 2005-07-11 | 2008-01-15 | Halliburton Energy Services, Inc. | Methods and compositions for controlling formation fines and reducing proppant flow-back |
US20120031613A1 (en) | 2005-08-09 | 2012-02-09 | Momentive Specialty Chemicals Inc. | Methods and compositions for determination of fracture geometry in subterranean formations |
US7726397B2 (en) | 2005-08-09 | 2010-06-01 | Hexion Specialty Chemicals, Inc. | Methods and compositions for determination of fracture geometry in subterranean formations |
US20070172654A1 (en) * | 2006-01-23 | 2007-07-26 | Hexion Specialty Chemicals, Inc. | Core for proppant and process for its production |
US20090318314A1 (en) * | 2006-01-23 | 2009-12-24 | Hexion Specialty Chemicals. Inc. | Core for proppant and process for its production and use |
US8613320B2 (en) | 2006-02-10 | 2013-12-24 | Halliburton Energy Services, Inc. | Compositions and applications of resins in treating subterranean formations |
US7926591B2 (en) | 2006-02-10 | 2011-04-19 | Halliburton Energy Services, Inc. | Aqueous-based emulsified consolidating agents suitable for use in drill-in applications |
US7819192B2 (en) | 2006-02-10 | 2010-10-26 | Halliburton Energy Services, Inc. | Consolidating agent emulsions and associated methods |
US7665517B2 (en) | 2006-02-15 | 2010-02-23 | Halliburton Energy Services, Inc. | Methods of cleaning sand control screens and gravel packs |
RU2006140858A (ru) | 2006-11-20 | 2008-05-27 | Шлюмбергер Текнолоджи Б.В. (Nl) | Способ ограничения выноса проппанта из трещины |
US7934557B2 (en) | 2007-02-15 | 2011-05-03 | Halliburton Energy Services, Inc. | Methods of completing wells for controlling water and particulate production |
US7624802B2 (en) * | 2007-03-22 | 2009-12-01 | Hexion Specialty Chemicals, Inc. | Low temperature coated particles for use as proppants or in gravel packs, methods for making and using the same |
RU2351632C2 (ru) * | 2007-03-22 | 2009-04-10 | Шлюмбергер Текнолоджи Б.В. | Проппант и способ его изготовления |
US9096790B2 (en) * | 2007-03-22 | 2015-08-04 | Hexion Inc. | Low temperature coated particles comprising a curable liquid and a reactive powder for use as proppants or in gravel packs, methods for making and using the same |
RU2373253C2 (ru) * | 2007-03-26 | 2009-11-20 | Шлюмбергер Текнолоджи Б.В. | Гранулы материала, применяемые для уменьшения выноса проппанта из трещины гидроразрыва |
CA2708166A1 (en) * | 2007-12-14 | 2009-06-25 | Schlumberger Canada Limited | Fracturing fluid compositions comprising solid epoxy particles and methods of use |
US8372789B2 (en) | 2009-01-16 | 2013-02-12 | Halliburton Energy Services, Inc. | Methods of designing treatment fluids based on solid-fluid interactions |
US7762329B1 (en) | 2009-01-27 | 2010-07-27 | Halliburton Energy Services, Inc. | Methods for servicing well bores with hardenable resin compositions |
CA2757650C (en) | 2009-04-03 | 2016-06-07 | Statoil Asa | Equipment and method for reinforcing a borehole of a well while drilling |
US8240383B2 (en) * | 2009-05-08 | 2012-08-14 | Momentive Specialty Chemicals Inc. | Methods for making and using UV/EB cured precured particles for use as proppants |
RU2540861C2 (ru) | 2009-10-02 | 2015-02-10 | Текнисэнд, Инк. | Бензильные полимеры, сшитые по мета-положениям |
US20110160101A1 (en) * | 2009-12-28 | 2011-06-30 | Bryan Naderhoff | Resin coated particulates |
US9290690B2 (en) | 2011-05-03 | 2016-03-22 | Preferred Technology, Llc | Coated and cured proppants |
US9725645B2 (en) | 2011-05-03 | 2017-08-08 | Preferred Technology, Llc | Proppant with composite coating |
US8763700B2 (en) | 2011-09-02 | 2014-07-01 | Robert Ray McDaniel | Dual function proppants |
US9562187B2 (en) | 2012-01-23 | 2017-02-07 | Preferred Technology, Llc | Manufacture of polymer coated proppants |
US8795766B1 (en) | 2012-02-23 | 2014-08-05 | Fabian Ros | Sand temperature and flow control system for a sand coating process |
US11008505B2 (en) | 2013-01-04 | 2021-05-18 | Carbo Ceramics Inc. | Electrically conductive proppant |
US9518214B2 (en) | 2013-03-15 | 2016-12-13 | Preferred Technology, Llc | Proppant with polyurea-type coating |
CA2909939C (en) | 2013-04-26 | 2022-11-22 | Carbo Ceramics Inc. | Compositions and methods for use of proppant surface chemistry to improve proppant consolidation and flowback control |
US10100247B2 (en) | 2013-05-17 | 2018-10-16 | Preferred Technology, Llc | Proppant with enhanced interparticle bonding |
US9790422B2 (en) * | 2014-04-30 | 2017-10-17 | Preferred Technology, Llc | Proppant mixtures |
US10871066B1 (en) | 2014-09-17 | 2020-12-22 | National Technology & Engineering Solutions Of Sandia, Llc | Molecular tracers and modified proppants for monitoring underground fluid flows |
US10106727B2 (en) | 2014-09-17 | 2018-10-23 | National Technology & Engineering Solutions Of Sandia, Llc | Proppant compositions and methods of use |
CA2961502C (en) | 2014-09-17 | 2023-03-21 | Carbo Ceramics Inc. | Infused and coated proppant containing chemical treatment agents and methods of using same |
US10513916B2 (en) | 2014-09-17 | 2019-12-24 | Carbo Ceramics Inc. | In-line treatment cartridge and methods of using same |
CN117449809A (zh) | 2015-03-27 | 2024-01-26 | 卡博陶粒有限公司 | 用于使用支撑剂表面化学和内部孔隙率来固结支撑剂微粒的方法和组合物 |
US9862881B2 (en) | 2015-05-13 | 2018-01-09 | Preferred Technology, Llc | Hydrophobic coating of particulates for enhanced well productivity |
WO2016183313A1 (en) | 2015-05-13 | 2016-11-17 | Preferred Technology, Llc | High performance proppants |
WO2017003819A1 (en) | 2015-06-30 | 2017-01-05 | Dow Global Technologies Llc | Coating for capturing sulfides |
WO2017003813A1 (en) | 2015-06-30 | 2017-01-05 | Dow Global Technologies Llc | Coating for controlled release |
US10125595B2 (en) | 2015-08-21 | 2018-11-13 | Battelle Memorial Institute | Diels-Alder coupled proppant binder resins |
US10450503B2 (en) * | 2016-06-06 | 2019-10-22 | Baker Hughes, LLC | Methods of using lightweight polymers derived from cashew nut shell liquid in hydraulic fracturing and sand control operations |
US10479929B2 (en) | 2016-06-06 | 2019-11-19 | Baker Hughes, A Ge Company, Llc | Spherical high temperature high closure tolerant cashew nut shell liquid based proppant, methods of manufacture, and uses thereof |
US10738583B2 (en) | 2016-08-21 | 2020-08-11 | Battelle Memorial Institute | Multi-component solid epoxy proppant binder resins |
WO2018052904A1 (en) | 2016-09-16 | 2018-03-22 | Dow Global Technologies Llc | Polymer coated particles for polymer concrete compositions |
US10995264B2 (en) | 2016-09-30 | 2021-05-04 | Wacker Chemie Ag | Coated proppants for fracking extraction methods |
US11208591B2 (en) | 2016-11-16 | 2021-12-28 | Preferred Technology, Llc | Hydrophobic coating of particulates for enhanced well productivity |
US10696896B2 (en) | 2016-11-28 | 2020-06-30 | Prefferred Technology, Llc | Durable coatings and uses thereof |
KR102698645B1 (ko) * | 2019-10-02 | 2024-08-27 | 더야오 탕 | 코팅 프로판트 |
CN114829558B (zh) | 2019-12-20 | 2023-11-17 | 路博润公司 | 含有来源于腰果壳液的洗涤剂的润滑剂组合物 |
KR102698644B1 (ko) * | 2020-01-02 | 2024-08-27 | 더야오 탕 | 코팅 프로판트 |
CA3220901A1 (en) * | 2021-05-21 | 2022-11-24 | Schlumberger Canada Limited | Curing accelerant for proppant coating and methods of use |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2675335A (en) * | 1948-05-22 | 1954-04-13 | Union Carbide & Carbon Corp | Thermosetting laminating composition from formaldehyde condensed with mixture of phenol, monobutyl phenol, and dibutyl phenol |
US3497010A (en) * | 1968-05-27 | 1970-02-24 | Dow Chemical Co | Coupling system for sand consolidation |
US3929191A (en) * | 1974-08-15 | 1975-12-30 | Exxon Production Research Co | Method for treating subterranean formations |
US4179429A (en) * | 1975-10-22 | 1979-12-18 | Mitsui Toatsu Chemicals Incorporated | Laminates prepared from resol-type phenol resins |
US3998271A (en) * | 1975-10-31 | 1976-12-21 | Exxon Production Research Company | Multiple fracturing of subterranean formations |
US4250076A (en) * | 1979-05-14 | 1981-02-10 | Borden, Inc. | Foundry molding compositions |
JPS5770150A (en) * | 1980-10-21 | 1982-04-30 | Sumitomo Deyurezu Kk | Cure promoting method for resol type phenolic resin |
US4317896A (en) * | 1980-12-10 | 1982-03-02 | International Minerals & Chemical Corp. | Foundry no-bake combination resin binder |
US4443347A (en) * | 1981-12-03 | 1984-04-17 | Baker Oil Tools, Inc. | Proppant charge and method |
CA1317511C (en) * | 1984-05-31 | 1993-05-11 | Takeji Okada | Resin-coated aggregates |
US4888240A (en) * | 1984-07-02 | 1989-12-19 | Graham John W | High strength particulates |
US4785884A (en) * | 1986-05-23 | 1988-11-22 | Acme Resin Corporation | Consolidation of partially cured resin coated particulate material |
US4969522A (en) * | 1988-12-21 | 1990-11-13 | Mobil Oil Corporation | Polymer-coated support and its use as sand pack in enhanced oil recovery |
GB8829984D0 (en) * | 1988-12-22 | 1989-02-15 | Borden Uk Ltd | Phenolic resins |
ZW16689A1 (en) * | 1988-12-22 | 1990-06-13 | Borden Uk Ltd | Phenolic resins |
-
1991
- 1991-11-14 US US07/792,004 patent/US5218038A/en not_active Expired - Lifetime
-
1992
- 1992-04-27 CA CA002067261A patent/CA2067261C/en not_active Expired - Fee Related
- 1992-04-30 ES ES92303897T patent/ES2093195T3/es not_active Expired - Lifetime
- 1992-04-30 DK DK92303897.0T patent/DK0542397T3/da active
- 1992-04-30 AT AT92303897T patent/ATE144306T1/de not_active IP Right Cessation
- 1992-04-30 EP EP92303897A patent/EP0542397B1/en not_active Expired - Lifetime
- 1992-04-30 DE DE69214598T patent/DE69214598T2/de not_active Expired - Fee Related
- 1992-05-25 BR BR929201955A patent/BR9201955A/pt not_active Application Discontinuation
- 1992-06-16 AU AU18294/92A patent/AU649841B2/en not_active Ceased
- 1992-08-06 MX MX9204562A patent/MX9204562A/es unknown
- 1992-11-13 NO NO924393A patent/NO300695B1/no not_active IP Right Cessation
-
1996
- 1996-10-24 GR GR960402834T patent/GR3021476T3/el unknown
-
1997
- 1997-03-26 NO NO971443A patent/NO307060B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU1829492A (en) | 1993-05-20 |
NO971443D0 (no) | 1997-03-26 |
EP0542397A2 (en) | 1993-05-19 |
NO307060B1 (no) | 2000-01-31 |
EP0542397B1 (en) | 1996-10-16 |
AU649841B2 (en) | 1994-06-02 |
ES2093195T3 (es) | 1996-12-16 |
DE69214598T2 (de) | 1997-03-20 |
BR9201955A (pt) | 1993-05-18 |
NO924393L (no) | 1993-05-18 |
CA2067261A1 (en) | 1993-05-15 |
CA2067261C (en) | 2002-06-25 |
ATE144306T1 (de) | 1996-11-15 |
GR3021476T3 (en) | 1997-01-31 |
DK0542397T3 (da) | 1997-03-24 |
MX9204562A (es) | 1993-07-01 |
DE69214598D1 (de) | 1996-11-21 |
NO300695B1 (no) | 1997-07-07 |
EP0542397A3 (en) | 1993-06-16 |
US5218038A (en) | 1993-06-08 |
NO924393D0 (no) | 1992-11-13 |
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