BR8904308A - Processo de aperfeicuamento na recuperacao de etano a partir de gas natural - Google Patents
Processo de aperfeicuamento na recuperacao de etano a partir de gas naturalInfo
- Publication number
- BR8904308A BR8904308A BR898904308A BR8904308A BR8904308A BR 8904308 A BR8904308 A BR 8904308A BR 898904308 A BR898904308 A BR 898904308A BR 8904308 A BR8904308 A BR 8904308A BR 8904308 A BR8904308 A BR 8904308A
- Authority
- BR
- Brazil
- Prior art keywords
- ethane
- recovery
- improvement
- natural gas
- natural
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0238—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 2 carbon atoms or more
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
- B01D1/2803—Special features relating to the vapour to be compressed
- B01D1/2806—The vapour is divided in at least two streams and only a part of the vapour is compressed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
- F25J3/0209—Natural gas or substitute natural gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
- F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/08—Cold compressor, i.e. suction of the gas at cryogenic temperature and generally without afterstage-cooler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/60—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being hydrocarbons or a mixture of hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/60—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being (a mixture of) hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/274,243 US4851020A (en) | 1988-11-21 | 1988-11-21 | Ethane recovery system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8904308A true BR8904308A (pt) | 1990-10-02 |
Family
ID=23047408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR898904308A BR8904308A (pt) | 1988-11-21 | 1989-08-28 | Processo de aperfeicuamento na recuperacao de etano a partir de gas natural |
Country Status (13)
Country | Link |
---|---|
US (1) | US4851020A (pt) |
EP (1) | EP0370611B1 (pt) |
AR (1) | AR246601A1 (pt) |
AU (1) | AU607870B2 (pt) |
BR (1) | BR8904308A (pt) |
DE (1) | DE68901854T2 (pt) |
DK (1) | DK581789A (pt) |
ES (1) | ES2033099T3 (pt) |
ID (1) | ID1024B (pt) |
MX (1) | MX171933B (pt) |
MY (1) | MY104679A (pt) |
NO (1) | NO173894C (pt) |
ZA (1) | ZA895826B (pt) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4851020A (en) * | 1988-11-21 | 1989-07-25 | Mcdermott International, Inc. | Ethane recovery system |
US5114451A (en) * | 1990-03-12 | 1992-05-19 | Elcor Corporation | Liquefied natural gas processing |
US5375422A (en) * | 1991-04-09 | 1994-12-27 | Butts; Rayburn C. | High efficiency nitrogen rejection unit |
US5275005A (en) * | 1992-12-01 | 1994-01-04 | Elcor Corporation | Gas processing |
US5390499A (en) * | 1993-10-27 | 1995-02-21 | Liquid Carbonic Corporation | Process to increase natural gas methane content |
US5540208A (en) * | 1994-09-13 | 1996-07-30 | Nabco Limited | Liquefied gas fuel supply system |
WO1996040604A1 (en) * | 1995-06-07 | 1996-12-19 | Elcor Corporation | Hydrocarbon gas processing |
US5685170A (en) * | 1995-11-03 | 1997-11-11 | Mcdermott Engineers & Constructors (Canada) Ltd. | Propane recovery process |
US5600969A (en) * | 1995-12-18 | 1997-02-11 | Phillips Petroleum Company | Process and apparatus to produce a small scale LNG stream from an existing NGL expander plant demethanizer |
US5890377A (en) * | 1997-11-04 | 1999-04-06 | Abb Randall Corporation | Hydrocarbon gas separation process |
US5953935A (en) * | 1997-11-04 | 1999-09-21 | Mcdermott Engineers & Constructors (Canada) Ltd. | Ethane recovery process |
US5992175A (en) * | 1997-12-08 | 1999-11-30 | Ipsi Llc | Enhanced NGL recovery processes |
US6237365B1 (en) * | 1998-01-20 | 2001-05-29 | Transcanada Energy Ltd. | Apparatus for and method of separating a hydrocarbon gas into two fractions and a method of retrofitting an existing cryogenic apparatus |
MY114649A (en) | 1998-10-22 | 2002-11-30 | Exxon Production Research Co | A process for separating a multi-component pressurized feed stream using distillation |
US6116050A (en) * | 1998-12-04 | 2000-09-12 | Ipsi Llc | Propane recovery methods |
US6182468B1 (en) * | 1999-02-19 | 2001-02-06 | Ultimate Process Technology | Thermodynamic separation of heavier components from natural gas |
US7310971B2 (en) * | 2004-10-25 | 2007-12-25 | Conocophillips Company | LNG system employing optimized heat exchangers to provide liquid reflux stream |
US6244070B1 (en) | 1999-12-03 | 2001-06-12 | Ipsi, L.L.C. | Lean reflux process for high recovery of ethane and heavier components |
US6354105B1 (en) | 1999-12-03 | 2002-03-12 | Ipsi L.L.C. | Split feed compression process for high recovery of ethane and heavier components |
GB0000327D0 (en) | 2000-01-07 | 2000-03-01 | Costain Oil Gas & Process Limi | Hydrocarbon separation process and apparatus |
US6453698B2 (en) | 2000-04-13 | 2002-09-24 | Ipsi Llc | Flexible reflux process for high NGL recovery |
US6755965B2 (en) | 2000-05-08 | 2004-06-29 | Inelectra S.A. | Ethane extraction process for a hydrocarbon gas stream |
US6401486B1 (en) | 2000-05-18 | 2002-06-11 | Rong-Jwyn Lee | Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants |
CA2423699C (en) * | 2000-10-02 | 2008-11-25 | Elcor Corporation | Hydrocarbon gas processing |
FR2821351B1 (fr) * | 2001-02-26 | 2003-05-16 | Technip Cie | Procede de recuperation d'ethane, mettant en oeuvre un cycle de refrigeration utilisant un melange d'au moins deux fluides refrigerants, gaz obtenus par ce procede, et installation de mise en oeuvre |
UA76750C2 (uk) * | 2001-06-08 | 2006-09-15 | Елккорп | Спосіб зрідження природного газу (варіанти) |
US6742358B2 (en) * | 2001-06-08 | 2004-06-01 | Elkcorp | Natural gas liquefaction |
US6823692B1 (en) | 2002-02-11 | 2004-11-30 | Abb Lummus Global Inc. | Carbon dioxide reduction scheme for NGL processes |
US6945075B2 (en) * | 2002-10-23 | 2005-09-20 | Elkcorp | Natural gas liquefaction |
US7484385B2 (en) * | 2003-01-16 | 2009-02-03 | Lummus Technology Inc. | Multiple reflux stream hydrocarbon recovery process |
MXPA05008280A (es) * | 2003-02-25 | 2006-03-21 | Ortloff Engineers Ltd | Procesamiento de gases de hidrocarburos. |
US7107788B2 (en) * | 2003-03-07 | 2006-09-19 | Abb Lummus Global, Randall Gas Technologies | Residue recycle-high ethane recovery process |
US6889523B2 (en) * | 2003-03-07 | 2005-05-10 | Elkcorp | LNG production in cryogenic natural gas processing plants |
US6662589B1 (en) | 2003-04-16 | 2003-12-16 | Air Products And Chemicals, Inc. | Integrated high pressure NGL recovery in the production of liquefied natural gas |
US7155931B2 (en) * | 2003-09-30 | 2007-01-02 | Ortloff Engineers, Ltd. | Liquefied natural gas processing |
US7204100B2 (en) * | 2004-05-04 | 2007-04-17 | Ortloff Engineers, Ltd. | Natural gas liquefaction |
CA2566820C (en) * | 2004-07-01 | 2009-08-11 | Ortloff Engineers, Ltd. | Liquefied natural gas processing |
EP2024700A2 (en) * | 2006-06-02 | 2009-02-18 | Ortloff Engeneers, Ltd | Liquefied natural gas processing |
EP2032922A2 (en) * | 2006-06-20 | 2009-03-11 | Fluor Technologies Corporation | Ethane recovery methods and configurations for high carbon dioxide content feed gases |
US20080016768A1 (en) | 2006-07-18 | 2008-01-24 | Togna Keith A | Chemically-modified mixed fuels, methods of production and used thereof |
US20080202161A1 (en) * | 2006-12-04 | 2008-08-28 | Vazquez-Esparragoza Jorge Javi | Method for adjusting heating value of lng |
US8590340B2 (en) * | 2007-02-09 | 2013-11-26 | Ortoff Engineers, Ltd. | Hydrocarbon gas processing |
US9869510B2 (en) * | 2007-05-17 | 2018-01-16 | Ortloff Engineers, Ltd. | Liquefied natural gas processing |
US20090090049A1 (en) * | 2007-10-09 | 2009-04-09 | Chevron U.S.A. Inc. | Process for producing liqefied natural gas from high co2 natural gas |
US8919148B2 (en) * | 2007-10-18 | 2014-12-30 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US20090282865A1 (en) | 2008-05-16 | 2009-11-19 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
US20100287982A1 (en) * | 2009-05-15 | 2010-11-18 | Ortloff Engineers, Ltd. | Liquefied Natural Gas and Hydrocarbon Gas Processing |
US8434325B2 (en) | 2009-05-15 | 2013-05-07 | Ortloff Engineers, Ltd. | Liquefied natural gas and hydrocarbon gas processing |
US9021832B2 (en) * | 2010-01-14 | 2015-05-05 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
CA2800699C (en) | 2010-06-03 | 2016-01-19 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US10533794B2 (en) | 2016-08-26 | 2020-01-14 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US10551118B2 (en) | 2016-08-26 | 2020-02-04 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US10551119B2 (en) | 2016-08-26 | 2020-02-04 | Ortloff Engineers, Ltd. | Hydrocarbon gas processing |
US11428465B2 (en) | 2017-06-01 | 2022-08-30 | Uop Llc | Hydrocarbon gas processing |
US11543180B2 (en) | 2017-06-01 | 2023-01-03 | Uop Llc | Hydrocarbon gas processing |
CN112537995B (zh) * | 2020-12-18 | 2021-06-22 | 西南石油大学 | 一种高压天然气的乙烷回收方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3000188A (en) * | 1956-11-15 | 1961-09-19 | Kellogg M W Co | Gas separation |
FR1501013A (fr) * | 1966-09-13 | 1967-11-10 | Air Liquide | Procédé de production d'un gaz riche en méthane, sous pression élevée à partirde gaz naturel liquide sous basse pression |
US4171964A (en) * | 1976-06-21 | 1979-10-23 | The Ortloff Corporation | Hydrocarbon gas processing |
US4278457A (en) * | 1977-07-14 | 1981-07-14 | Ortloff Corporation | Hydrocarbon gas processing |
DE2735588C2 (de) * | 1977-08-06 | 1979-10-04 | Linde Ag, 6200 Wiesbaden | Verfahren zur Trennung von Äthylen enthaltenden Kohlenwasserstoffgemischen durch Rektifikation bei tiefen Temperaturen |
US4318723A (en) * | 1979-11-14 | 1982-03-09 | Koch Process Systems, Inc. | Cryogenic distillative separation of acid gases from methane |
US4350511A (en) * | 1980-03-18 | 1982-09-21 | Koch Process Systems, Inc. | Distillative separation of carbon dioxide from light hydrocarbons |
US4464190A (en) * | 1982-08-18 | 1984-08-07 | Gulsby Engineering, Inc. | Hydrocarbon gas process |
US4453958A (en) * | 1982-11-24 | 1984-06-12 | Gulsby Engineering, Inc. | Greater design capacity-hydrocarbon gas separation process |
US4687499A (en) * | 1986-04-01 | 1987-08-18 | Mcdermott International Inc. | Process for separating hydrocarbon gas constituents |
US4889545A (en) * | 1988-11-21 | 1989-12-26 | Elcor Corporation | Hydrocarbon gas processing |
US4851020A (en) * | 1988-11-21 | 1989-07-25 | Mcdermott International, Inc. | Ethane recovery system |
-
1988
- 1988-11-21 US US07/274,243 patent/US4851020A/en not_active Expired - Fee Related
-
1989
- 1989-07-31 ZA ZA895826A patent/ZA895826B/xx unknown
- 1989-08-23 NO NO893395A patent/NO173894C/no unknown
- 1989-08-28 BR BR898904308A patent/BR8904308A/pt not_active IP Right Cessation
- 1989-09-07 AR AR89314858A patent/AR246601A1/es active
- 1989-09-09 ID IDP343289A patent/ID1024B/id unknown
- 1989-09-27 MY MYPI89001328A patent/MY104679A/en unknown
- 1989-10-04 MX MX017821A patent/MX171933B/es unknown
- 1989-10-10 EP EP89310356A patent/EP0370611B1/en not_active Expired - Lifetime
- 1989-10-10 ES ES198989310356T patent/ES2033099T3/es not_active Expired - Lifetime
- 1989-10-10 DE DE8989310356T patent/DE68901854T2/de not_active Expired - Lifetime
- 1989-11-20 DK DK581789A patent/DK581789A/da not_active Application Discontinuation
- 1989-11-21 AU AU45410/89A patent/AU607870B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0370611A2 (en) | 1990-05-30 |
NO893395L (no) | 1990-05-22 |
NO893395D0 (no) | 1989-08-23 |
AU4541089A (en) | 1990-07-19 |
AU607870B2 (en) | 1991-03-14 |
NO173894C (no) | 1994-02-16 |
MY104679A (en) | 1994-05-31 |
DK581789D0 (da) | 1989-11-20 |
EP0370611B1 (en) | 1992-06-17 |
DE68901854D1 (de) | 1992-07-23 |
DK581789A (da) | 1990-05-22 |
NO173894B (no) | 1993-11-08 |
DE68901854T2 (de) | 1992-12-17 |
MX171933B (es) | 1993-11-24 |
US4851020A (en) | 1989-07-25 |
ES2033099T3 (es) | 1993-03-01 |
ID1024B (id) | 1996-10-21 |
EP0370611A3 (en) | 1990-10-24 |
AR246601A1 (es) | 1994-08-31 |
ZA895826B (en) | 1990-04-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 28/08/2009 |