FR2476287A1 - Procede de production de froid et/ou de chaleur par cycle a absorption utilisable notamment pour le chauffage de locaux - Google Patents
Procede de production de froid et/ou de chaleur par cycle a absorption utilisable notamment pour le chauffage de locaux Download PDFInfo
- Publication number
- FR2476287A1 FR2476287A1 FR8003460A FR8003460A FR2476287A1 FR 2476287 A1 FR2476287 A1 FR 2476287A1 FR 8003460 A FR8003460 A FR 8003460A FR 8003460 A FR8003460 A FR 8003460A FR 2476287 A1 FR2476287 A1 FR 2476287A1
- Authority
- FR
- France
- Prior art keywords
- heat
- fluid
- absorption
- solution
- vaporization
- 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.)
- Granted
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 claims abstract description 31
- 239000012808 vapor phase Substances 0.000 claims abstract description 31
- 239000007791 liquid phase Substances 0.000 claims abstract description 28
- 238000003795 desorption Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims description 67
- 238000009834 vaporization Methods 0.000 claims description 22
- 230000008016 vaporization Effects 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 16
- 230000005494 condensation Effects 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 125000001153 fluoro group Chemical group F* 0.000 claims description 2
- 239000003570 air Substances 0.000 claims 2
- 230000009102 absorption Effects 0.000 claims 1
- 150000001768 cations Chemical class 0.000 claims 1
- 150000008282 halocarbons Chemical class 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract description 5
- 239000012071 phase Substances 0.000 abstract description 5
- 239000003517 fume Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000004231 Riboflavin-5-Sodium Phosphate Substances 0.000 description 3
- 239000004234 Yellow 2G Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 239000004284 Heptyl p-hydroxybenzoate Substances 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- UMNKXPULIDJLSU-UHFFFAOYSA-N dichlorofluoromethane Chemical compound FC(Cl)Cl UMNKXPULIDJLSU-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000013529 heat transfer fluid Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000004149 tartrazine Substances 0.000 description 2
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 2
- 239000004229 Alkannin Substances 0.000 description 1
- 239000004230 Fast Yellow AB Substances 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000004283 Sodium sorbate Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004303 calcium sorbate Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229960002380 dibutyl phthalate Drugs 0.000 description 1
- 229940099364 dichlorofluoromethane Drugs 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002151 riboflavin Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/04—Heat pumps of the sorption type
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8003460A FR2476287A1 (fr) | 1980-02-15 | 1980-02-15 | Procede de production de froid et/ou de chaleur par cycle a absorption utilisable notamment pour le chauffage de locaux |
| DK58881A DK58881A (da) | 1980-02-15 | 1981-02-11 | Fremgangsmaade til frembringelse af varme og eller kulde ved hjaelp af et absorptionskredsloeb |
| DE8181400216T DE3165148D1 (en) | 1980-02-15 | 1981-02-11 | Process for producing cold and/or heat by an absorption cycle, especially usable in room heating |
| EP81400216A EP0034533B1 (fr) | 1980-02-15 | 1981-02-11 | Procédé de production de froid et/ou de chaleur par cycle à absorption utilisable notamment pour le chauffage de locaux |
| US06/234,214 US4341084A (en) | 1980-02-15 | 1981-02-13 | Cold and/or heat production involving an absorption cycle and its use for heating buildings |
| JP2214381A JPS56138663A (en) | 1980-02-15 | 1981-02-16 | Chilled air and/or heat generation by absorption cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8003460A FR2476287A1 (fr) | 1980-02-15 | 1980-02-15 | Procede de production de froid et/ou de chaleur par cycle a absorption utilisable notamment pour le chauffage de locaux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2476287A1 true FR2476287A1 (fr) | 1981-08-21 |
| FR2476287B1 FR2476287B1 (enExample) | 1984-02-10 |
Family
ID=9238661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8003460A Granted FR2476287A1 (fr) | 1980-02-15 | 1980-02-15 | Procede de production de froid et/ou de chaleur par cycle a absorption utilisable notamment pour le chauffage de locaux |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4341084A (enExample) |
| EP (1) | EP0034533B1 (enExample) |
| JP (1) | JPS56138663A (enExample) |
| DE (1) | DE3165148D1 (enExample) |
| DK (1) | DK58881A (enExample) |
| FR (1) | FR2476287A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3100348A1 (de) * | 1981-01-08 | 1982-08-05 | Dieter Dr.-Ing. 5064 Rösrath Markfort | "resorptions-anlage zur waermetransformtation" |
| FR2497931A1 (fr) * | 1981-01-15 | 1982-07-16 | Inst Francais Du Petrole | Procede de chauffage et de conditionnement thermique au moyen d'une pompe a chaleur a compression fonctionnant avec un fluide mixte de travail et appareil pour la mise en oeuvre dudit procede |
| FR2504249A1 (fr) * | 1981-04-15 | 1982-10-22 | Inst Francais Du Petrole | Procede de production de froid et/ou de chaleur au moyen d'un cycle a absorption |
| US4475352A (en) * | 1982-06-16 | 1984-10-09 | The Puraq Company | Absorption refrigeration process |
| FR2539220A1 (fr) * | 1983-01-10 | 1984-07-13 | Inst Francais Du Petrole | Procede de production de froid et/ou de chaleur au moyen d'un cycle a absorption comportant au moins deux etapes d'absorption |
| US4598556A (en) * | 1984-09-17 | 1986-07-08 | Sundstrand Corporation | High efficiency refrigeration or cooling system |
| US5577388A (en) * | 1994-01-13 | 1996-11-26 | Rocky Research | Aqueous absorption fluids |
| US5829259A (en) * | 1994-01-13 | 1998-11-03 | Rocky Research | Aqueous absorption fluids |
| US5419145A (en) * | 1994-01-13 | 1995-05-30 | Rocky Research | Chemical energy storage system |
| US6656380B2 (en) | 2001-10-16 | 2003-12-02 | Supachill Technologies Pty. Ltd. | Super-coolable composition having long-duration phase change capability, process for preparation of same, process for super-cooling same and articles comprising same |
| US6681581B2 (en) * | 2001-11-20 | 2004-01-27 | Supachill Technologies Pty. Ltd. | Pre-conditioned solute for use in cryogenic processes |
| DE10219262B4 (de) * | 2002-04-30 | 2004-09-16 | Förster, Hans, Dr.-Ing. | Absorptionskälteverfahren für Temperaturen unter 0 °C ohne druckausgleichendem Gas |
| DE10219263B4 (de) | 2002-04-30 | 2008-05-21 | Förster, Hans, Dr. Ing. | Verfahren und Vorrichtung für die nichtadiabate Rektifikation ohne Rücklauferzeugung |
| JP5850051B2 (ja) * | 2011-07-04 | 2016-02-03 | 富士通株式会社 | 吸着式ヒートポンプの制御方法、情報処理システム及び制御装置 |
| EP3285025B1 (de) * | 2016-08-18 | 2019-07-03 | Andreas Bangheri | Absorptionswärmepumpe und verfahren zum betreiben einer absorptionswärmepumpe |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2392894A (en) * | 1944-02-19 | 1946-01-15 | Worthington Pump & Mach Corp | Refrigeration system |
| US2408802A (en) * | 1940-01-15 | 1946-10-08 | Glen W Miller | Absorption refrigeration cycle |
| DE2402777A1 (de) * | 1974-01-22 | 1975-07-24 | Reinhard F Dr Hoehne | Raumwaermepumpe |
| US4003215A (en) * | 1974-06-24 | 1977-01-18 | University Of Adelaide | Absorption refrigeration system |
| US4031712A (en) * | 1975-12-04 | 1977-06-28 | The University Of Delaware | Combined absorption and vapor-compression refrigeration system |
| US4037649A (en) * | 1975-04-04 | 1977-07-26 | Hartka Dale R | Heating and refrigeration system |
| DE2629441A1 (de) * | 1976-06-30 | 1978-01-05 | Linde Ag | Verfahren zur erhoehung der temperatur eines waermetraegers |
| EP0001272A1 (de) * | 1977-09-24 | 1979-04-04 | Deutsche Forschungsanstalt für Luft- und Raumfahrt e.V. | Heizungsanlage mit Wärmepumpe |
| FR2412800A1 (fr) * | 1977-12-23 | 1979-07-20 | Borsig Gmbh | Procede pour ameliorer le bilan energetique d'installations frigorifiques a absorption |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2182098A (en) * | 1934-09-29 | 1939-12-05 | Mallory & Co Inc P R | Duplex solution thermo-compression process |
| US2182453A (en) * | 1936-01-18 | 1939-12-05 | William H Sellew | Heat transfer process and apparatus |
| US3402570A (en) * | 1966-12-23 | 1968-09-24 | Ralph C. Schlichtig | Refrigeration systems and refrigerants used therewith |
| US3817050A (en) * | 1972-12-26 | 1974-06-18 | Texaco Inc | Two-stage ammonia absorption refrigeration system with at least three evaporation stages |
| US4167101A (en) * | 1975-08-14 | 1979-09-11 | Institut Francais Du Petrole | Absorption process for heat conversion |
| FR2321098A1 (fr) * | 1975-08-14 | 1977-03-11 | Inst Francais Du Petrole | Thermotransformateur a absorption |
| US4102388A (en) * | 1976-09-23 | 1978-07-25 | Shell Oil Company | Heat recovery process |
| FR2437588A1 (fr) * | 1978-09-28 | 1980-04-25 | Inst Francais Du Petrole | Perfectionnement aux absorbeurs utilises dans les pompes a chaleur et machines frigorifiques a absorption |
| FR2454591A1 (fr) * | 1979-04-17 | 1980-11-14 | Inst Francais Du Petrole | Procede perfectionne de production de froid et/ou de chaleur au moyen d'un cycle a absorption |
-
1980
- 1980-02-15 FR FR8003460A patent/FR2476287A1/fr active Granted
-
1981
- 1981-02-11 DE DE8181400216T patent/DE3165148D1/de not_active Expired
- 1981-02-11 DK DK58881A patent/DK58881A/da not_active Application Discontinuation
- 1981-02-11 EP EP81400216A patent/EP0034533B1/fr not_active Expired
- 1981-02-13 US US06/234,214 patent/US4341084A/en not_active Expired - Lifetime
- 1981-02-16 JP JP2214381A patent/JPS56138663A/ja active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2408802A (en) * | 1940-01-15 | 1946-10-08 | Glen W Miller | Absorption refrigeration cycle |
| US2392894A (en) * | 1944-02-19 | 1946-01-15 | Worthington Pump & Mach Corp | Refrigeration system |
| DE2402777A1 (de) * | 1974-01-22 | 1975-07-24 | Reinhard F Dr Hoehne | Raumwaermepumpe |
| US4003215A (en) * | 1974-06-24 | 1977-01-18 | University Of Adelaide | Absorption refrigeration system |
| US4037649A (en) * | 1975-04-04 | 1977-07-26 | Hartka Dale R | Heating and refrigeration system |
| US4031712A (en) * | 1975-12-04 | 1977-06-28 | The University Of Delaware | Combined absorption and vapor-compression refrigeration system |
| DE2629441A1 (de) * | 1976-06-30 | 1978-01-05 | Linde Ag | Verfahren zur erhoehung der temperatur eines waermetraegers |
| EP0001272A1 (de) * | 1977-09-24 | 1979-04-04 | Deutsche Forschungsanstalt für Luft- und Raumfahrt e.V. | Heizungsanlage mit Wärmepumpe |
| FR2412800A1 (fr) * | 1977-12-23 | 1979-07-20 | Borsig Gmbh | Procede pour ameliorer le bilan energetique d'installations frigorifiques a absorption |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2476287B1 (enExample) | 1984-02-10 |
| JPS56138663A (en) | 1981-10-29 |
| EP0034533A3 (en) | 1982-08-25 |
| EP0034533A2 (fr) | 1981-08-26 |
| DE3165148D1 (en) | 1984-09-27 |
| US4341084A (en) | 1982-07-27 |
| DK58881A (da) | 1981-08-16 |
| EP0034533B1 (fr) | 1984-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |