MX9800643A - Fluido de perforacion sintetico, economico, no toxico. - Google Patents
Fluido de perforacion sintetico, economico, no toxico.Info
- Publication number
- MX9800643A MX9800643A MX9800643A MX9800643A MX9800643A MX 9800643 A MX9800643 A MX 9800643A MX 9800643 A MX9800643 A MX 9800643A MX 9800643 A MX9800643 A MX 9800643A MX 9800643 A MX9800643 A MX 9800643A
- Authority
- MX
- Mexico
- Prior art keywords
- percent
- carbon atoms
- toxic
- hydrocarbons containing
- fluids
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/64—Oil-based compositions
-
- 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
- C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
- C09K8/34—Organic liquids
-
- 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
-
- 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
- Y10S507/905—Nontoxic composition
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Lubricants (AREA)
- Earth Drilling (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Un fluido sintético economico, no toxico para el uso en los fluidos de perforacion de pozos (por ejemplo, fluidos de perforacion) se selecciona del grupo que consiste de (A) fluidos que tienen (I) un punto de descongelacion mayor que aproximadamente -30 degree C (-22 degree F) y (II) un índice de cetano mayor que 50, y que comprende de (i) al menos aproximadamente 95% en peso de hidrocarburos que contienen 11 o másátomos de carbono, (ii) mayor que 5% en peso de hidrocarburos que contienen 18 o más átomos de carbono, (iii) al menos de aproximadamente 50% en peso de isoparafinas, (iv) al menos aproximadamente de 90% en peso total de parafina. (v) aproximadamente de 1 o menor % en peso de nafténicos, (vi) menos que 0.1 por ciento en volumen de aromáticos, y (vii) al menos 2 hidrocarburos que contienen un numero consecutivo de átomos de carbono, y (b) fluidos que comprenden de (i) al menos aproximadamente 95% en peso de hidrocarburos que contienen 10 o más átomos de carbono y (ii) al menso aproximadamente 90% en peso de n-parafinas.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49444195A | 1995-07-24 | 1995-07-24 | |
US08/580,112 US5958845A (en) | 1995-04-17 | 1996-01-29 | Non-toxic, inexpensive synthetic drilling fluid |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9800643A true MX9800643A (es) | 1998-10-31 |
Family
ID=27051420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9800643A MX9800643A (es) | 1995-07-24 | 1998-01-22 | Fluido de perforacion sintetico, economico, no toxico. |
Country Status (13)
Country | Link |
---|---|
US (6) | US5958845A (es) |
EP (1) | EP0840769B2 (es) |
CN (1) | CN1150294C (es) |
AR (1) | AR002907A1 (es) |
AU (1) | AU705081B2 (es) |
BR (1) | BR9609546A (es) |
CA (1) | CA2227562C (es) |
CO (1) | CO4560486A1 (es) |
DK (1) | DK0840769T3 (es) |
EA (1) | EA001186B1 (es) |
MX (1) | MX9800643A (es) |
MY (1) | MY137346A (es) |
WO (1) | WO1997004038A1 (es) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2586497A (en) * | 1996-03-22 | 1997-10-10 | Exxon Research And Engineering Company | High performance environmentally friendly drilling fluids |
US6806233B2 (en) * | 1996-08-02 | 2004-10-19 | M-I Llc | Methods of using reversible phase oil based drilling fluid |
JP4636680B2 (ja) * | 1997-09-12 | 2011-02-23 | エクソンモービル リサーチ アンド エンジニアリング カンパニー | フィッシャー・トロプシュ液体の水エマルジョン |
US6325833B1 (en) * | 1997-09-12 | 2001-12-04 | Exxon Research And Engineering Company | Emulsion blends |
MY118141A (en) * | 1997-09-12 | 2004-09-30 | Exxon Research Engineering Co | Fischer-tropsch process water emulsions of hydrocarbons |
US6080301A (en) | 1998-09-04 | 2000-06-27 | Exxonmobil Research And Engineering Company | Premium synthetic lubricant base stock having at least 95% non-cyclic isoparaffins |
US6475960B1 (en) | 1998-09-04 | 2002-11-05 | Exxonmobil Research And Engineering Co. | Premium synthetic lubricants |
US6410488B1 (en) | 1999-03-11 | 2002-06-25 | Petro-Canada | Drilling fluid |
WO2001002512A1 (en) * | 1999-07-06 | 2001-01-11 | Sasol Technology (Pty) Ltd. | Use of dimerized fischer-tropsch process products and vinylidene derivatives thereof |
FR2808534B1 (fr) * | 2000-05-03 | 2002-08-02 | Total Raffinage Distribution | Composition lubrifiante biodegradable et ses utilisations, notamment dans un fluide de forage |
US7456135B2 (en) | 2000-12-29 | 2008-11-25 | Halliburton Energy Services, Inc. | Methods of drilling using flat rheology drilling fluids |
US7638466B2 (en) | 2000-12-29 | 2009-12-29 | Halliburton Energy Services, Inc. | Thinners for invert emulsions |
US6887832B2 (en) * | 2000-12-29 | 2005-05-03 | Halliburton Energy Service,S Inc. | Method of formulating and using a drilling mud with fragile gels |
US7572755B2 (en) * | 2000-12-29 | 2009-08-11 | Halliburton Energy Services, Inc. | Drilling fluid comprising a vinyl neodecanoate polymer and method for enhanced suspension |
US20030036484A1 (en) | 2001-08-14 | 2003-02-20 | Jeff Kirsner | Blends of esters with isomerized olefins and other hydrocarbons as base oils for invert emulsion oil muds |
EP1356010B1 (en) | 2000-12-29 | 2010-06-30 | Halliburton Energy Services, Inc. | Thinners for invert emulsions |
EP1362086A2 (en) * | 2001-02-14 | 2003-11-19 | M-I L.L.C. | Oleaginous drilling fluid , method of use and bio-remediation of the same to produce a useful soil amendment |
US7271132B2 (en) * | 2001-10-31 | 2007-09-18 | Halliburton Energy Services, Inc. | Metallic soaps of modified fatty acids and rosin acids and methods of making and using same |
US7534746B2 (en) * | 2001-10-31 | 2009-05-19 | Halliburton Energy Services, Inc. | Metallic soaps of modified tall oil acids |
US7008907B2 (en) * | 2001-10-31 | 2006-03-07 | Halliburton Energy Services, Inc. | Additive for oil-based drilling fluids |
US6620770B1 (en) | 2001-10-31 | 2003-09-16 | Halliburton Energy Services, Inc. | Additive for oil-based drilling fluids |
AU2002361966A1 (en) * | 2001-12-03 | 2003-06-17 | Sofitech N.V. | Non-damaging fluid-loss control pill and method of using the same |
US7096929B2 (en) * | 2002-03-29 | 2006-08-29 | Leading Technology Designs, Inc. | PCM (phase change material) system and method for shifting peak electrical load |
US7354462B2 (en) * | 2002-10-04 | 2008-04-08 | Chevron U.S.A. Inc. | Systems and methods of improving diesel fuel performance in cold climates |
US7402187B2 (en) * | 2002-10-09 | 2008-07-22 | Chevron U.S.A. Inc. | Recovery of alcohols from Fischer-Tropsch naphtha and distillate fuels containing the same |
US6730637B1 (en) * | 2002-12-06 | 2004-05-04 | Chevron Phillips Chemical Company, Lp | Reducing fluid loss in a drilling fluid |
JP2004198811A (ja) * | 2002-12-19 | 2004-07-15 | Denso Corp | 電子機器及びプログラム |
BRPI0400580A (pt) * | 2003-02-24 | 2005-01-04 | Syntroleum Corp | Fluidos base, e de perfuração, processo para a produção de um fluido de perfuração, e, método de perfuração de um furo de sondagem em uma formação subterrânea |
US7081437B2 (en) * | 2003-08-25 | 2006-07-25 | M-I L.L.C. | Environmentally compatible hydrocarbon blend drilling fluid |
US7419004B2 (en) * | 2003-12-30 | 2008-09-02 | Schlumberger Technology Corporation | Method of gravel packing with oil-based carrier fluid |
US7111684B2 (en) * | 2004-09-14 | 2006-09-26 | Halliburton Energy Services, Inc. | Subterranean fluids having improved environmental characteristics and methods of using these fluids in subterranean formations |
US7667086B2 (en) * | 2005-01-31 | 2010-02-23 | Exxonmobil Chemical Patents Inc. | Olefin oligomerization and biodegradable compositions therefrom |
US7803743B2 (en) * | 2005-06-06 | 2010-09-28 | Baker Hughes Incorporated | Invert emulsion carrier fluid and oil-wetting agent and method of using same |
CN100338169C (zh) * | 2005-12-22 | 2007-09-19 | 新疆三精德润科技有限公司 | 钻井液用降滤失剂 |
EP2006365B1 (en) * | 2006-03-31 | 2018-02-21 | Nippon Oil Corporation | Use of a polyfunctional hydrocarbon oil composition |
WO2008035279A2 (en) * | 2006-09-20 | 2008-03-27 | Pt. Pertamina (Persero) | Non-toxic mineral oil and its preparation process as drilling mud base material |
JP2008094879A (ja) * | 2006-10-06 | 2008-04-24 | Toyota Central R&D Labs Inc | 軽油組成物 |
US20080261836A1 (en) * | 2007-04-20 | 2008-10-23 | Filler Paul A | Compositions for use in well servicing fluids |
US8728989B2 (en) | 2007-06-19 | 2014-05-20 | Clearwater International | Oil based concentrated slurries and methods for making and using same |
US20100044048A1 (en) * | 2008-07-25 | 2010-02-25 | Century Oilfield Services Inc. | Non-toxic, green fracturing fluid compositions, methods of preparation and methods of use |
US8387699B2 (en) * | 2008-07-25 | 2013-03-05 | Calfrac Well Services Ltd. | Green coal bed methane fracturing fluid compositions, methods of preparation and methods of use |
US8211834B2 (en) | 2008-07-25 | 2012-07-03 | Calfrac Well Services Ltd. | Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use |
CA2635989C (en) * | 2008-07-25 | 2009-08-04 | Century Oilfield Services Inc. | Fracturing fluid compositions, methods of preparation and methods of use |
EP2166060B8 (en) | 2008-09-22 | 2016-09-21 | TouGas Oilfield Solutions GmbH | Stabilized aqueous polymer compositions |
FR2944528B1 (fr) * | 2009-04-15 | 2012-07-20 | Total Raffinage Marketing | Fluide de forage pour offshore profond |
RU2724060C2 (ru) | 2009-07-09 | 2020-06-19 | ТЕХАС ЮНАЙТЕД КЕМИКАЛ КОМПАНИ, ЭлЭлСи | Сверхвысоковязкие тампоны и способы их применения в системе бурения нефтяных скважин |
FR2953853B1 (fr) * | 2009-12-15 | 2013-02-08 | Total Raffinage Marketing | Composition lubrifiante biodegradable et son utilisation dans un fluide de forage notamment pour reservoirs tres enfouis |
US8748679B2 (en) | 2010-04-26 | 2014-06-10 | Accelergy Corporation | Synthetic fluids and methods of manufacture |
US9085724B2 (en) | 2010-09-17 | 2015-07-21 | Lubri3ol Oilfield Chemistry LLC | Environmentally friendly base fluids and methods for making and using same |
CN102002350B (zh) * | 2010-11-11 | 2013-03-27 | 中国石油天然气集团公司 | 一种超高温水基钻井液 |
US9556712B2 (en) | 2011-04-27 | 2017-01-31 | Chevron U.S.A., Inc. | Flow induced electrostatic power generator for tubular segments |
US8714239B2 (en) | 2011-04-27 | 2014-05-06 | Luis Phillipe TOSI | Flow-induced electrostatic power generator for downhole use in oil and gas wells |
US9685890B2 (en) | 2011-04-27 | 2017-06-20 | Chevron U.S.A. Inc. | Flow induced electrostatic power generator for tubular segments |
US8511373B2 (en) | 2011-04-27 | 2013-08-20 | Chevron U.S.A. Inc. | Flow-induced electrostatic power generator for downhole use in oil and gas wells |
CA2863683C (en) | 2012-02-05 | 2019-01-29 | Tucc Technology, Llc | Earth metal peroxide fluidized compositions |
US9587161B2 (en) * | 2012-02-21 | 2017-03-07 | Halliburton Energy Services, Inc. | Drilling fluid containing a surfactant having a high boiling point and a long chain tail group |
US9701881B2 (en) | 2012-06-20 | 2017-07-11 | Halliburton Energy Services, Inc. | Oil absorbent oilfield materials as additives in oil-based drilling fluid applications |
US10227519B2 (en) * | 2012-09-24 | 2019-03-12 | Sasol Performance Chemicals Gmbh | Wellbore fluids and method of use |
ES2738645T3 (es) * | 2012-10-29 | 2020-01-24 | Sasol Performance Chemicals Gmbh | Uso de activadores para la viscosificación de fluidos no acuosos |
CN103146365B (zh) * | 2013-03-15 | 2015-07-22 | 中国石油集团渤海钻探工程有限公司 | 全油基钻井液 |
US8969259B2 (en) * | 2013-04-05 | 2015-03-03 | Reg Synthetic Fuels, Llc | Bio-based synthetic fluids |
CN104449605A (zh) * | 2013-09-17 | 2015-03-25 | 中国石油化工股份有限公司 | 一种合成基钻井液基础油 |
US9394472B2 (en) | 2014-03-27 | 2016-07-19 | Kraton Polymers U.S. Llc | Low fluid loss drilling fluid compositions comprising diblock copolymers |
US20150285049A1 (en) * | 2014-04-07 | 2015-10-08 | Maximo Tejeda | Method of Drilling for and Producing Oil and Gas from Earth Boreholes |
JP6622718B2 (ja) * | 2014-05-08 | 2019-12-18 | イネオス ユーエスエイ リミテッド ライアビリティ カンパニー | 掘削流体及びその製造方法 |
CN105505347A (zh) * | 2014-09-23 | 2016-04-20 | 中国石油化工股份有限公司 | 一种合成基钻井液基础油 |
CN104481434A (zh) * | 2014-11-14 | 2015-04-01 | 中国石油大学(华东) | 一种提高钻井液携岩能力的方法 |
US11549045B2 (en) | 2019-07-01 | 2023-01-10 | Highland Fluid Technology, Inc. | Managed pressure drilling with novel noncompressible light weight fluid |
US11739257B2 (en) * | 2021-05-25 | 2023-08-29 | Shell Usa, Inc. | Hydraulic fracturing fluid |
CN116410709A (zh) * | 2021-12-31 | 2023-07-11 | 中国石油天然气集团有限公司 | 一种具有平板流型特征的合成基钻井液及制备方法 |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816073A (en) * | 1956-07-16 | 1957-12-10 | Phillips Petroleum Co | Drilling fluid |
US3684012A (en) * | 1970-06-12 | 1972-08-15 | John W Scheffel | Method and composition for treating high-temperature subterranean formations |
US3979304A (en) * | 1972-09-29 | 1976-09-07 | Union Oil Company Of California | Method for drilling and treating subterranean formations using a low fluid loss agent |
US4012328A (en) * | 1973-03-29 | 1977-03-15 | Dresser Industries, Inc. | Acid soluble packer and workover fluid |
US3878117A (en) * | 1973-05-17 | 1975-04-15 | Phillips Petroleum Co | Novel benzothiazyl disulfides, their preparation and use as lubricant additives |
US3928215A (en) * | 1973-06-29 | 1975-12-23 | Marathon Oil Co | High fluidity cutting oils which exhibit retro-viscous properties |
US4012329A (en) * | 1973-08-27 | 1977-03-15 | Marathon Oil Company | Water-in-oil microemulsion drilling fluids |
US3912683A (en) * | 1974-07-12 | 1975-10-14 | Exxon Research Engineering Co | Process for the preparation of sulfobutyl latex |
US4390474A (en) * | 1974-10-16 | 1983-06-28 | Stepan Chemical Company | Sulfonation petroleum composition |
US4148821A (en) * | 1974-10-16 | 1979-04-10 | Stepan Chemical Company | Process for sulfonation |
US4007149A (en) * | 1975-07-02 | 1977-02-08 | Exxon Research And Engineering Company | Process for preparing latices of sulfonated elastomers |
US4153588A (en) * | 1977-11-29 | 1979-05-08 | Exxon Research & Engineering Co. | Metal neutralized sulfonated EPDM terpolymers and compositions thereof |
US4447338A (en) * | 1981-08-12 | 1984-05-08 | Exxon Research And Engineering Co. | Drilling mud viscosification agents based on sulfonated ionomers |
WO1983002949A1 (en) * | 1982-02-18 | 1983-09-01 | Richard Pawel Jachnik | Drilling fluids and methods of using them |
US4425462A (en) * | 1982-09-13 | 1984-01-10 | Exxon Research And Engineering Co. | Drilling fluids based on sulfonated elastomeric polymers |
US4488975A (en) * | 1982-12-13 | 1984-12-18 | Halliburton Company | High temperature stable crosslinked gel fracturing fluid |
DE3400164A1 (de) * | 1983-01-14 | 1984-07-19 | Sandoz-Patent-GmbH, 7850 Lörrach | Fluessigkeitsverluste vermindernde additive fuer bohrlochbearbeitungsfluessigkeiten |
US4787990A (en) * | 1983-02-04 | 1988-11-29 | Conoco Inc. | Low toxicity oil-based drilling fluid |
US4552215A (en) * | 1984-09-26 | 1985-11-12 | Halliburton Company | Method of gravel packing a well |
US4553601A (en) * | 1984-09-26 | 1985-11-19 | Halliburton Company | Method for fracturing subterranean formations |
GB2166782A (en) * | 1984-11-07 | 1986-05-14 | Mobil Oil Corp | Low toxicity drilling fluids |
US4810355A (en) * | 1985-12-12 | 1989-03-07 | Amoco Corporation | Process for preparing dehazed white oils |
ATE53564T1 (de) * | 1986-01-23 | 1990-06-15 | Sorg Gmbh & Co Kg | Glasschmelzofen mit verbessertem wirkungsgrad. |
ES2018830B3 (es) * | 1986-05-30 | 1991-05-16 | The British Petroleum Company P L C | Fluido para perforacion de pozos. |
GB8615478D0 (en) * | 1986-06-25 | 1986-07-30 | Bp Chem Int Ltd | Low toxity oil composition |
GB2212192A (en) * | 1987-11-09 | 1989-07-19 | Exxon Chemical Patents Inc | Low toxicity oil base mud systems |
US5045219A (en) * | 1988-01-19 | 1991-09-03 | Coastal Mud, Incorporated | Use of polyalphalolefin in downhole drilling |
US4882077A (en) * | 1988-03-09 | 1989-11-21 | W. R. Grace & Co.-Conn. | Metalworking fluid |
US5096883A (en) * | 1989-09-29 | 1992-03-17 | Union Oil Company Of California | Oil-base drilling fluid comprising branched chain paraffins such as the dimer of 1-decene |
US5189012A (en) * | 1990-03-30 | 1993-02-23 | M-I Drilling Fluids Company | Oil based synthetic hydrocarbon drilling fluid |
WO1994016030A1 (en) * | 1993-01-14 | 1994-07-21 | M-I Drilling Fluids Company | Non-fluorescing oil-based drilling fluid |
US5333698A (en) * | 1993-05-21 | 1994-08-02 | Union Oil Company Of California | White mineral oil-based drilling fluid |
WO1994028087A1 (en) * | 1993-06-01 | 1994-12-08 | Albemarle Corporation | Invert drilling fluids |
MY111305A (en) * | 1993-09-01 | 1999-10-30 | Sofitech Nv | Wellbore fluid. |
US5498596A (en) * | 1993-09-29 | 1996-03-12 | Mobil Oil Corporation | Non toxic, biodegradable well fluids |
EP0686177B1 (en) * | 1994-02-02 | 1999-09-08 | Chevron Chemical Company LLC | Process for producing skeletally isomerized linear olefins |
AU1609695A (en) * | 1994-02-02 | 1995-08-21 | Chevron Chemical Company | Drilling fluids comprising mostly linear olefins |
US5569642A (en) * | 1995-02-16 | 1996-10-29 | Albemarle Corporation | Synthetic paraffinic hydrocarbon drilling fluid |
US5635457A (en) * | 1995-04-17 | 1997-06-03 | Union Oil Company Of California | Non-toxic, inexpensive synthetic drilling fluid |
US5837655A (en) * | 1996-05-01 | 1998-11-17 | Halliday; William S. | Purified paraffins as lubricants, rate of penetration enhancers, and spotting fluid additives for water-based drilling fluids |
-
1996
- 1996-01-29 US US08/580,112 patent/US5958845A/en not_active Expired - Lifetime
- 1996-07-10 EP EP96923741A patent/EP0840769B2/en not_active Expired - Lifetime
- 1996-07-10 CA CA002227562A patent/CA2227562C/en not_active Expired - Lifetime
- 1996-07-10 CN CNB961957999A patent/CN1150294C/zh not_active Expired - Lifetime
- 1996-07-10 AU AU64589/96A patent/AU705081B2/en not_active Expired
- 1996-07-10 WO PCT/US1996/011520 patent/WO1997004038A1/en active IP Right Grant
- 1996-07-10 BR BR9609546A patent/BR9609546A/pt not_active IP Right Cessation
- 1996-07-10 EA EA199800134A patent/EA001186B1/ru not_active IP Right Cessation
- 1996-07-10 DK DK96923741T patent/DK0840769T3/da active
- 1996-07-22 AR ARP960103681A patent/AR002907A1/es unknown
- 1996-07-23 CO CO96038784A patent/CO4560486A1/es unknown
- 1996-07-23 MY MYPI96003020A patent/MY137346A/en unknown
-
1998
- 1998-01-22 MX MX9800643A patent/MX9800643A/es unknown
- 1998-09-04 US US09/148,299 patent/US6110874A/en not_active Expired - Lifetime
- 1998-09-04 US US09/148,377 patent/US6107255A/en not_active Expired - Lifetime
- 1998-09-04 US US09/148,572 patent/US6159907A/en not_active Expired - Lifetime
- 1998-12-08 US US09/207,185 patent/US6255256B1/en not_active Expired - Lifetime
-
1999
- 1999-01-07 US US09/227,016 patent/US6034037A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6034037A (en) | 2000-03-07 |
US6255256B1 (en) | 2001-07-03 |
CN1191558A (zh) | 1998-08-26 |
AR002907A1 (es) | 1998-04-29 |
MY137346A (en) | 2009-01-30 |
CA2227562A1 (en) | 1997-02-06 |
AU705081B2 (en) | 1999-05-13 |
EP0840769B2 (en) | 2009-08-26 |
WO1997004038A1 (en) | 1997-02-06 |
EP0840769A1 (en) | 1998-05-13 |
US6159907A (en) | 2000-12-12 |
BR9609546A (pt) | 1999-03-02 |
US6107255A (en) | 2000-08-22 |
EA001186B1 (ru) | 2000-12-25 |
EP0840769B1 (en) | 2004-10-20 |
DK0840769T3 (da) | 2005-02-14 |
CO4560486A1 (es) | 1998-02-10 |
US6110874A (en) | 2000-08-29 |
AU6458996A (en) | 1997-02-18 |
CA2227562C (en) | 2005-09-13 |
CN1150294C (zh) | 2004-05-19 |
EA199800134A1 (ru) | 1998-10-29 |
US5958845A (en) | 1999-09-28 |
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