NO881432D0 - Fremgangsmaate for separering av c2+- eller av c3+- eller av c4- hydrocarboner fra en gassblanding. - Google Patents
Fremgangsmaate for separering av c2+- eller av c3+- eller av c4- hydrocarboner fra en gassblanding.Info
- Publication number
- NO881432D0 NO881432D0 NO1988881432A NO881432A NO881432D0 NO 881432 D0 NO881432 D0 NO 881432D0 NO 1988881432 A NO1988881432 A NO 1988881432A NO 881432 A NO881432 A NO 881432A NO 881432 D0 NO881432 D0 NO 881432D0
- Authority
- NO
- Norway
- Prior art keywords
- hydrocarbones
- separating
- procedure
- gas mixture
- mixture
- Prior art date
Links
Classifications
-
- 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
- F25J3/0219—Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
-
- 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
-
- 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
- F25J3/0242—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 3 carbon atoms 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
- 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
- F25J3/0247—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 4 carbon atoms 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
- 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
- F25J3/0252—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 hydrogen
-
- 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
- F25J2200/74—Refluxing the column with at least a part of the partially 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/90—Details relating to column internals, e.g. structured packing, gas or liquid distribution
-
- 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
-
- 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
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/12—Refinery or petrochemical off-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
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/66—Butane or mixed butanes
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/02—Internal refrigeration with liquid vaporising loop
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/04—Internal refrigeration with work-producing gas expansion loop
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/04—Internal refrigeration with work-producing gas expansion loop
- F25J2270/06—Internal refrigeration with work-producing gas expansion loop with multiple gas expansion loops
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/12—External refrigeration with liquid vaporising loop
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863626560 DE3626560A1 (de) | 1986-08-06 | 1986-08-06 | Verfahren zum abtrennen von c(pfeil abwaerts)4(pfeil abwaerts)-kohlenwasserstoffen aus einem gasgemisch |
DE19863626561 DE3626561A1 (de) | 1986-08-06 | 1986-08-06 | Verfahren zum abtrennen von c(pfeil abwaerts)2(pfeil abwaerts)(pfeil abwaerts)+(pfeil abwaerts)- oder von c(pfeil abwaerts)3(pfeil abwaerts)(pfeil abwaerts)+(pfeil abwaerts)- kohlenwasserstoffen aus einem gasgemisch |
PCT/EP1987/000427 WO1988000936A1 (en) | 1986-08-06 | 1987-08-04 | PROCESS FOR SEPARATING A GAS MIXTURE OF C2+ OR C3+ or C4 HYDROCARBONS |
Publications (4)
Publication Number | Publication Date |
---|---|
NO881432D0 true NO881432D0 (no) | 1988-03-30 |
NO881432L NO881432L (no) | 1988-03-30 |
NO173934B NO173934B (no) | 1993-11-15 |
NO173934C NO173934C (no) | 1994-02-23 |
Family
ID=25846275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO881432A NO173934C (no) | 1986-08-06 | 1988-03-30 | Fremgangsmaate for separering av C2+- eller av C3+- eller av C4- hydrocarboner fra en gassblanding |
Country Status (7)
Country | Link |
---|---|
US (1) | US5026952A (no) |
EP (1) | EP0318504B1 (no) |
AU (1) | AU592227B2 (no) |
CA (1) | CA1310580C (no) |
DE (1) | DE3770824D1 (no) |
NO (1) | NO173934C (no) |
WO (1) | WO1988000936A1 (no) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4235006A1 (de) * | 1992-10-16 | 1994-04-21 | Linde Ag | Verfahren zum Auftrennen eines im wesentlichen aus Wasserstoff, Methan und C¶3¶/C¶4¶-Kohlenwasserstoffen bestehenden Einsatzstromes |
US5414188A (en) * | 1993-05-05 | 1995-05-09 | Ha; Bao | Method and apparatus for the separation of C4 hydrocarbons from gaseous mixtures containing the same |
CA2315014C (en) | 1997-12-16 | 2007-06-19 | Lockheed Martin Idaho Technologies Company | Apparatus and process for the refrigeration, liquefaction and separation of gases with varying levels of purity |
WO1999044971A1 (en) * | 1998-03-02 | 1999-09-10 | Chart Inc. | Cryogenic separation process for the recovery of components from the products of a dehydrogenation reactor |
US6581409B2 (en) | 2001-05-04 | 2003-06-24 | Bechtel Bwxt Idaho, Llc | Apparatus for the liquefaction of natural gas and methods related to same |
US7219512B1 (en) | 2001-05-04 | 2007-05-22 | Battelle Energy Alliance, Llc | Apparatus for the liquefaction of natural gas and methods relating to same |
US20060260358A1 (en) * | 2005-05-18 | 2006-11-23 | Kun Leslie C | Gas separation liquefaction means and processes |
US8899074B2 (en) | 2009-10-22 | 2014-12-02 | Battelle Energy Alliance, Llc | Methods of natural gas liquefaction and natural gas liquefaction plants utilizing multiple and varying gas streams |
US9217603B2 (en) | 2007-09-13 | 2015-12-22 | Battelle Energy Alliance, Llc | Heat exchanger and related methods |
US9574713B2 (en) | 2007-09-13 | 2017-02-21 | Battelle Energy Alliance, Llc | Vaporization chambers and associated methods |
US9254448B2 (en) | 2007-09-13 | 2016-02-09 | Battelle Energy Alliance, Llc | Sublimation systems and associated methods |
US20090145167A1 (en) * | 2007-12-06 | 2009-06-11 | Battelle Energy Alliance, Llc | Methods, apparatuses and systems for processing fluid streams having multiple constituents |
CA2790961C (en) | 2012-05-11 | 2019-09-03 | Jose Lourenco | A method to recover lpg and condensates from refineries fuel gas streams. |
US10655911B2 (en) | 2012-06-20 | 2020-05-19 | Battelle Energy Alliance, Llc | Natural gas liquefaction employing independent refrigerant path |
CA2798057C (en) | 2012-12-04 | 2019-11-26 | Mackenzie Millar | A method to produce lng at gas pressure letdown stations in natural gas transmission pipeline systems |
CA2813260C (en) | 2013-04-15 | 2021-07-06 | Mackenzie Millar | A method to produce lng |
US10288347B2 (en) | 2014-08-15 | 2019-05-14 | 1304338 Alberta Ltd. | Method of removing carbon dioxide during liquid natural gas production from natural gas at gas pressure letdown stations |
US11173445B2 (en) | 2015-09-16 | 2021-11-16 | 1304338 Alberta Ltd. | Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3338825A (en) * | 1965-12-15 | 1967-08-29 | Chevron Res | Distillation of complex mixtures |
DE1302036B (de) * | 1966-02-05 | 1969-10-16 | Messer Griesheim Gmbh | Verfahren zur Zerlegung eines aus Methan und schwersiedenden Kohlenwasserstoffen bestehenden Gasgemisches, insbesondere Erdgas, mittels Rektifikation |
US4019979A (en) * | 1976-03-19 | 1977-04-26 | Uop Inc. | Fractionation of hydrocarbons |
DE2917505A1 (de) * | 1979-04-30 | 1980-11-13 | Linde Ag | Verfahren zum abtrennen einer c tief 1 -fraktion aus einem aethylen enthaltenden gasstrom |
US4496380A (en) * | 1981-11-24 | 1985-01-29 | Shell Oil Company | Cryogenic gas plant |
GB2110808B (en) * | 1981-11-24 | 1985-04-17 | Shell Int Research | Cryogenic gas plant |
DE3247782A1 (de) * | 1982-12-23 | 1984-06-28 | Linde Ag, 6200 Wiesbaden | Verfahren zum zerlegen eines in einer methanolsynthesegasanlage zu verwendenden gasgemisches bei tiefen temperaturen |
US4519825A (en) * | 1983-04-25 | 1985-05-28 | Air Products And Chemicals, Inc. | Process for recovering C4 + hydrocarbons using a dephlegmator |
DE3445961A1 (de) * | 1984-12-17 | 1986-06-26 | Linde Ag, 6200 Wiesbaden | Verfahren zur abtrennung von c(pfeil abwaerts)3(pfeil abwaerts)(pfeil abwaerts)+(pfeil abwaerts)-kohlenwasserstoffen aus einem gasstrom |
-
1987
- 1987-08-04 EP EP87905437A patent/EP0318504B1/de not_active Expired - Lifetime
- 1987-08-04 DE DE8787905437T patent/DE3770824D1/de not_active Expired - Fee Related
- 1987-08-04 AU AU78577/87A patent/AU592227B2/en not_active Ceased
- 1987-08-04 WO PCT/EP1987/000427 patent/WO1988000936A1/de active IP Right Grant
- 1987-08-04 US US07/328,192 patent/US5026952A/en not_active Expired - Fee Related
- 1987-08-06 CA CA000543072A patent/CA1310580C/en not_active Expired - Lifetime
-
1988
- 1988-03-30 NO NO881432A patent/NO173934C/no unknown
Also Published As
Publication number | Publication date |
---|---|
AU592227B2 (en) | 1990-01-04 |
AU7857787A (en) | 1988-02-24 |
NO173934C (no) | 1994-02-23 |
EP0318504A1 (de) | 1989-06-07 |
NO881432L (no) | 1988-03-30 |
US5026952A (en) | 1991-06-25 |
EP0318504B1 (de) | 1991-06-12 |
DE3770824D1 (de) | 1991-07-18 |
CA1310580C (en) | 1992-11-24 |
NO173934B (no) | 1993-11-15 |
WO1988000936A1 (en) | 1988-02-11 |
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