IN155271B - - Google Patents
Info
- Publication number
- IN155271B IN155271B IN587/CAL/81A IN587CA1981A IN155271B IN 155271 B IN155271 B IN 155271B IN 587CA1981 A IN587CA1981 A IN 587CA1981A IN 155271 B IN155271 B IN 155271B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/16—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1468—Removing hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/40—Absorbents explicitly excluding the presence of water
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
- Hydrogen, Water And Hydrids (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23241/80A IT1132170B (it) | 1980-07-04 | 1980-07-04 | Processo di separazione selettiva di idrogeno solforato da miscele gassose contenenti anche anidride carbonica |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN155271B true IN155271B (fr) | 1985-01-12 |
Family
ID=11205237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN587/CAL/81A IN155271B (fr) | 1980-07-04 | 1981-06-01 |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US4545965A (fr) |
| JP (1) | JPS5747705A (fr) |
| AU (1) | AU542254B2 (fr) |
| BE (1) | BE889467A (fr) |
| BR (1) | BR8103870A (fr) |
| CA (1) | CA1165098A (fr) |
| CH (1) | CH649473A5 (fr) |
| DD (1) | DD200979A5 (fr) |
| DE (1) | DE3126136C2 (fr) |
| DK (1) | DK277081A (fr) |
| EG (1) | EG15364A (fr) |
| ES (1) | ES504130A0 (fr) |
| FR (1) | FR2485945A1 (fr) |
| GB (1) | GB2079307B (fr) |
| GR (1) | GR74572B (fr) |
| IE (1) | IE51368B1 (fr) |
| IN (1) | IN155271B (fr) |
| IT (1) | IT1132170B (fr) |
| LU (1) | LU83463A1 (fr) |
| NL (1) | NL8103203A (fr) |
| NO (1) | NO153717C (fr) |
| NZ (1) | NZ197203A (fr) |
| PL (1) | PL130823B1 (fr) |
| SE (1) | SE445711B (fr) |
| SU (1) | SU1309902A3 (fr) |
| YU (1) | YU164881A (fr) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405580A (en) * | 1982-01-18 | 1983-09-20 | Exxon Research And Engineering Co. | Process for selective removal of H2 S from mixtures containing H22 with tertiary amino azabicyclic alcohols |
| DE3365032D1 (en) * | 1982-01-18 | 1986-09-11 | Exxon Research Engineering Co | A process for removal of h2s from gaseous streams with amino compounds |
| FR2545378A1 (fr) * | 1983-05-03 | 1984-11-09 | Raffinage Cie Francaise | Procede de purification d'un melange gazeux contenant des composes gazeux indesirables |
| IT1177325B (it) * | 1984-11-26 | 1987-08-26 | Snam Progetti | Procedimento per la rimozione selettiva dell'idrogeno solforato da miscele gassose contenenti anche anidride carbonica |
| IT1177324B (it) * | 1984-11-26 | 1987-08-26 | Snam Progetti | Procedimento per rimuovere selettivamente l'idrogeno solforato da miscele gassose contenenti anche anidride carbonica |
| EP0215911A1 (fr) * | 1985-03-14 | 1987-04-01 | The Ralph M. Parsons Company | Absorption selective de sulfure d'hydrogene a partir de gaz contenant egalement du gaz carbonique |
| US5051205A (en) * | 1990-04-18 | 1991-09-24 | Atochem North America, Inc. | Process of forming a stable colloidal dispersion |
| DE69528785T2 (de) * | 1994-03-18 | 2003-07-03 | Mitsubishi Jukogyo K.K., Tokio/Tokyo | Verfahren zur Entfernung von Schwefelwasserstoff aus Gasen |
| FR2727035B1 (fr) * | 1994-11-22 | 1996-12-20 | Ceca Sa | Utilisation d'agglomeres zeolitiques au moyen d'argiles du groupe de la kaolinite pour le sechage de gaz contenant des traces d'amines |
| US5683491A (en) * | 1996-04-16 | 1997-11-04 | Mobil Oil Corporation | Method for determining saturation of carbon filters in a gas treatment process |
| US5733516A (en) * | 1996-09-09 | 1998-03-31 | Gas Research Institute | Process for removal of hydrogen sulfide from a gas stream |
| DE19753903C2 (de) * | 1997-12-05 | 2002-04-25 | Krupp Uhde Gmbh | Verfahren zur Entfernung von CO¶2¶ und Schwefelverbindungen aus technischen Gasen, insbesondere aus Erdgas und Roh-Synthesegas |
| USD419633S (en) * | 1998-10-28 | 2000-01-25 | Playcore, Inc. | Playground climbing apparatus |
| EP1022046A1 (fr) * | 1999-01-22 | 2000-07-26 | Krupp Uhde GmbH | Procédé pour élimination de dioxide de carbone, des composés soufrés, l'eau et des hydrocarbures aromatiques et aliphatiques supérieures de gaz techniques |
| US6162282A (en) * | 1999-05-10 | 2000-12-19 | Mobil Oil Corporation | Method for determining hydrocarbon saturation of carbon filters in a gas treatment process |
| US6203599B1 (en) | 1999-07-28 | 2001-03-20 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the removal of gas contaminants from a product gas using polyethylene glycols |
| DE19947845A1 (de) * | 1999-10-05 | 2001-04-12 | Basf Ag | Verfahren zum Entfernen von COS aus einem Kohlenwasserstoff-Fluidstrom und Waschflüssikgkeit zur Verwendung in derartigen Verfahren |
| US20030057136A1 (en) * | 2001-08-22 | 2003-03-27 | Mcintush Kenneth E. | Process for recovering sulfur while sponging light hydrocarbons from hydrodesulfurization hydrogen recycle streams |
| US6884282B2 (en) * | 2002-05-13 | 2005-04-26 | David K. Stevens | Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S |
| JP5154795B2 (ja) * | 2003-03-21 | 2013-02-27 | ダウ グローバル テクノロジーズ エルエルシー | 硫化カルボニルを含む酸性ガスからそれを除去する改良された組成物及び方法 |
| DE102008031552A1 (de) * | 2008-07-07 | 2010-01-14 | Uhde Gmbh | Verfahren zum Entfernen von Sauergasen aus einem Gasstrom |
| US20120061613A1 (en) * | 2010-09-10 | 2012-03-15 | Battelle Memorial Institute | System and process for capture of acid gasses at elevated-pressure from gaseous process streams |
| US8652237B2 (en) | 2010-12-17 | 2014-02-18 | Battelle Memorial Institute | System and process for capture of H2S from gaseous process streams and process for regeneration of the capture agent |
| EA024198B1 (ru) * | 2011-03-01 | 2016-08-31 | Эксонмобил Рисерч Энд Инджиниринг Компани | Способ короткоцикловой адсорбции при переменном давлении и температуре для отделения тяжелых углеводородов от потоков природного газа |
| CN105903316A (zh) * | 2011-03-28 | 2016-08-31 | 阿拉巴马大学理事会 | 含n-官能化咪唑的系统及使用方法 |
| US8951335B2 (en) * | 2011-12-07 | 2015-02-10 | Fluor Technologies Corporation | Selective caustic scrubbing using a driver gas |
| FR2990880B1 (fr) | 2012-05-25 | 2017-04-28 | Total Sa | Procede d'elimination selective du sulfure d'hydrogene de melanges gazeux et utilisation d'un thioalcanol pour l'elimination selective du sulfure d'hydrogene. |
| FR2990878B1 (fr) | 2012-05-25 | 2014-05-16 | Total Sa | Procede de purification de melanges gazeux contenant des gaz acides. |
| FR2996464B1 (fr) | 2012-10-05 | 2015-10-16 | IFP Energies Nouvelles | Procede d'absorption selective du sulfure d'hydrogene d'un effluent gazeux comprenant du dioxyde de carbone par une solution absorbante a base d'amines comprenant un agent viscosifiant |
| EP2935113A1 (fr) * | 2012-12-18 | 2015-10-28 | Invista Technologies S.à.r.l. | Production de cyanure d'hydrogène utilisant du gaz naturel traité en tant que source de charge d'alimentation contenant du méthane |
| US9266102B2 (en) | 2013-03-29 | 2016-02-23 | The University Of Kentucky Research Foundation | Catalysts and methods of increasing mass transfer rate of acid gas scrubbing solvents |
| US9409125B2 (en) | 2013-03-29 | 2016-08-09 | The University Of Kentucky Research Foundation | Method of increasing mass transfer rate of acid gas scrubbing solvents |
| US9468883B2 (en) | 2013-03-29 | 2016-10-18 | The University Of Kentucky Research Foundation | Solvent and method for removal of an acid gas from a fluid stream |
| US20150027055A1 (en) * | 2013-07-29 | 2015-01-29 | Exxonmobil Research And Engineering Company | Separation of hydrogen sulfide from natural gas |
| JP2016536115A (ja) | 2013-10-30 | 2016-11-24 | ダウ グローバル テクノロジーズ エルエルシー | 全有機硫黄除去及び全酸性ガス除去のための混成溶媒配合物 |
| EP3074488A1 (fr) | 2013-10-30 | 2016-10-05 | Dow Global Technologies LLC | Formulations de solvants hybrides pour l'élimination sélective du h2s |
| WO2016126957A1 (fr) | 2015-02-04 | 2016-08-11 | The Board Of Trustees Of The University Of Alabama | Solutions de traitement de gaz contenant des composés imidazole-amine |
| US10130907B2 (en) | 2016-01-20 | 2018-11-20 | Battelle Memorial Institute | Capture and release of acid gasses using tunable organic solvents with aminopyridine |
| EA037511B1 (ru) | 2016-04-27 | 2021-04-06 | ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи | Способ селективного удаления кислых газов из потоков текучей среды с использованием смеси гибридного растворителя |
| WO2018013099A1 (fr) * | 2016-07-13 | 2018-01-18 | Fluor Technologies Corporation | Élimination d'hydrocarbures lourds à partir d'un gaz pauvre pour liquéfaction de gnl |
| US20180030576A1 (en) * | 2016-07-28 | 2018-02-01 | Terrapower, Llc | Uranium hexafluoride off-gas treatment system and method |
| US10456739B2 (en) | 2016-11-14 | 2019-10-29 | Battelle Memorial Institute | Capture and release of acid gasses using tunable organic solvents with binding organic liquids |
| US10933367B2 (en) | 2017-03-03 | 2021-03-02 | Dow Global Technologies Llc | Process for separating hydrogen sulfide from gaseous mixtures using a hybrid solvent mixture |
| RU2745356C1 (ru) | 2017-03-06 | 2021-03-24 | Дау Глоубл Текнолоджиз Ллк | Энергоэффективный способ отделения сероводорода от газовых смесей с применением смеси гибридных растворителей |
| US11253811B2 (en) | 2017-03-07 | 2022-02-22 | Dow Global Technologies Llc | Process for reducing energy consumption in the regeneration of hybrid solvents |
| FR3067352B1 (fr) | 2017-06-09 | 2020-11-06 | Ifp Energies Now | Nouvelles polyamines, leur procede de synthese et leur utilisation pour l'elimination selective de l'h2s d'un effluent gazeux comprenant du co2 |
| WO2022129974A1 (fr) | 2020-12-17 | 2022-06-23 | Totalenergies Onetech | Milieu d'élimination sélective de sulfure d'hydrogène à partir d'un courant gazeux |
| WO2022129977A1 (fr) | 2020-12-17 | 2022-06-23 | Totalenergies Onetech | Procédé de récupération de dioxyde de carbone de haute pureté à partir d'un mélange gazeux |
| WO2022129975A1 (fr) | 2020-12-17 | 2022-06-23 | Totalenergies Onetech | Procédé pour l'élimination sélective du sulfure d'hydrogène à partir d'un courant de gaz |
| EP4226990A1 (fr) * | 2022-02-09 | 2023-08-16 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Procédé et appareil de séparation de composants contenant du soufre d'un flux de branchement dans une installation de traitement |
| WO2024180358A1 (fr) | 2023-02-27 | 2024-09-06 | Totalenergies Onetech | Procédé de séparation sélective de sulfure d'hydrogène d'un mélange gazeux |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2550446A (en) * | 1951-04-24 | Extraction of acidic constituents | ||
| CA820787A (en) * | 1969-08-19 | P. Gelbein Abraham | Purification of gases | |
| US2177068A (en) * | 1938-12-03 | 1939-10-24 | Fluor Corp | Process for treating gases |
| GB1024412A (en) * | 1964-03-02 | 1966-03-30 | Shell Int Research | Removal of acidic gases from gaseous mixtures |
| DE1494800C3 (de) * | 1964-08-29 | 1974-03-07 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Auswaschen saurer Gasbestandteile aus Gasen |
| US3387917A (en) * | 1964-10-30 | 1968-06-11 | Dow Chemical Co | Method of removing acidic contaminants from gases |
| FR1492797A (fr) * | 1965-09-18 | 1967-08-25 | Inst Francais Du Petrole | Procédé d'épuration de gaz sulfuré et de production de soufre |
| US3502428A (en) * | 1966-10-12 | 1970-03-24 | Lummus Co | Purification of gases |
| US3463603A (en) * | 1967-03-17 | 1969-08-26 | Shell Oil Co | Method of separating acidic gases from gaseous mixture |
| NL6706653A (fr) * | 1967-05-12 | 1968-05-27 | ||
| US3630666A (en) * | 1969-07-30 | 1971-12-28 | Amoco Prod Co | Precontacting hydrogen sulfide containing gas streams with rich sulfinol |
| DE2020366C3 (de) * | 1970-04-25 | 1978-10-26 | Krupp-Koppers Gmbh, 4300 Essen | Verfahren zum Auswaschen von sauren Bestandteilen aus Gasen |
| BE769797A (fr) * | 1970-07-13 | 1972-01-10 | Union Carbide Corp | Procede d'absorption selective de gaz sulfures |
| DE2227071C2 (de) * | 1972-06-03 | 1985-10-17 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Reinigen technischer Brenn- und Synthesegase |
| JPS5262307A (en) * | 1975-11-17 | 1977-05-23 | Chiyoda Chem Eng & Constr Co Ltd | Removing of acidic gas from mixed gas |
| CA1128293A (fr) * | 1978-04-07 | 1982-07-27 | Roelof Cornelisse | Elimination des gaz acides d'un melange gazeux |
| NL186377C (nl) * | 1978-05-23 | 1990-11-16 | Shell Int Research | Werkwijze voor het opwerken van zwavelwaterstof bevattende gassen. |
| FR2439613A1 (fr) * | 1978-10-27 | 1980-05-23 | Elf Aquitaine | Procede d'extraction selective de h2s de melanges gazeux contenant du co2 |
| US4238206A (en) * | 1979-03-05 | 1980-12-09 | Columbia Gas System Service Corporation | Using solvents for acidic gas removal |
| US4259301A (en) * | 1979-07-30 | 1981-03-31 | Exxon Research And Engineering Co. | Removal of acidic compounds from gaseous mixtures |
| US4242108A (en) * | 1979-11-07 | 1980-12-30 | Air Products And Chemicals, Inc. | Hydrogen sulfide concentrator for acid gas removal systems |
| CA1205276A (fr) * | 1981-06-15 | 1986-06-03 | Malcolm W. Mcewan | Methode de separation du co.sub.2, et des gaz souffres s'il y en a, d'un melange gazeux |
-
1980
- 1980-07-04 IT IT23241/80A patent/IT1132170B/it active
-
1981
- 1981-05-26 NZ NZ197203A patent/NZ197203A/en unknown
- 1981-06-01 IN IN587/CAL/81A patent/IN155271B/en unknown
- 1981-06-03 GB GB8116967A patent/GB2079307B/en not_active Expired
- 1981-06-04 GR GR65152A patent/GR74572B/el unknown
- 1981-06-09 AU AU71453/81A patent/AU542254B2/en not_active Ceased
- 1981-06-16 CA CA000379872A patent/CA1165098A/fr not_active Expired
- 1981-06-16 BR BR8103870A patent/BR8103870A/pt unknown
- 1981-06-17 SU SU813297113A patent/SU1309902A3/ru active
- 1981-06-19 PL PL1981231781A patent/PL130823B1/pl unknown
- 1981-06-22 NO NO812120A patent/NO153717C/no unknown
- 1981-06-23 DK DK277081A patent/DK277081A/da not_active Application Discontinuation
- 1981-06-24 EG EG81361A patent/EG15364A/xx active
- 1981-06-30 JP JP56100741A patent/JPS5747705A/ja active Pending
- 1981-07-01 BE BE0/205282A patent/BE889467A/fr not_active IP Right Cessation
- 1981-07-01 LU LU83463A patent/LU83463A1/fr unknown
- 1981-07-02 DE DE3126136A patent/DE3126136C2/de not_active Expired
- 1981-07-03 YU YU01648/81A patent/YU164881A/xx unknown
- 1981-07-03 NL NL8103203A patent/NL8103203A/nl not_active Application Discontinuation
- 1981-07-03 SE SE8104151A patent/SE445711B/sv not_active IP Right Cessation
- 1981-07-03 IE IE1502/81A patent/IE51368B1/en unknown
- 1981-07-03 DD DD81231435A patent/DD200979A5/de unknown
- 1981-07-03 ES ES504130A patent/ES504130A0/es active Granted
- 1981-07-03 CH CH4401/81A patent/CH649473A5/it not_active IP Right Cessation
- 1981-07-03 FR FR8113168A patent/FR2485945A1/fr not_active Withdrawn
-
1984
- 1984-04-23 US US06/602,736 patent/US4545965A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2079307A (en) | 1982-01-20 |
| GR74572B (fr) | 1984-06-29 |
| IE51368B1 (en) | 1986-12-10 |
| GB2079307B (en) | 1984-05-10 |
| IT1132170B (it) | 1986-06-25 |
| DE3126136C2 (de) | 1987-01-22 |
| SU1309902A3 (ru) | 1987-05-07 |
| DK277081A (da) | 1982-01-05 |
| EG15364A (en) | 1986-03-31 |
| IT8023241A0 (it) | 1980-07-04 |
| BR8103870A (pt) | 1982-03-09 |
| PL130823B1 (en) | 1984-09-29 |
| ES8205131A1 (es) | 1982-06-01 |
| DD200979A5 (de) | 1983-06-29 |
| IE811502L (en) | 1982-01-04 |
| AU7145381A (en) | 1982-01-07 |
| NL8103203A (nl) | 1982-02-01 |
| SE445711B (sv) | 1986-07-14 |
| YU164881A (en) | 1983-10-31 |
| AU542254B2 (en) | 1985-02-14 |
| CA1165098A (fr) | 1984-04-10 |
| FR2485945A1 (fr) | 1982-01-08 |
| PL231781A1 (fr) | 1982-02-15 |
| BE889467A (fr) | 1982-01-04 |
| NZ197203A (en) | 1984-05-31 |
| NO153717C (no) | 1986-05-14 |
| US4545965A (en) | 1985-10-08 |
| JPS5747705A (en) | 1982-03-18 |
| ES504130A0 (es) | 1982-06-01 |
| NO153717B (no) | 1986-02-03 |
| DE3126136A1 (de) | 1982-03-11 |
| SE8104151L (sv) | 1982-01-05 |
| NO812120L (no) | 1982-01-05 |
| CH649473A5 (it) | 1985-05-31 |
| LU83463A1 (fr) | 1982-02-17 |