DK182987A - Katalysator og fremgangsmaade til selektiv oxidering af svovlholdige forbindelser til svovl som grundstof samt en fremgangsmaade til fremstilling af katalysatoren - Google Patents
Katalysator og fremgangsmaade til selektiv oxidering af svovlholdige forbindelser til svovl som grundstof samt en fremgangsmaade til fremstilling af katalysatorenInfo
- Publication number
- DK182987A DK182987A DK182987A DK182987A DK182987A DK 182987 A DK182987 A DK 182987A DK 182987 A DK182987 A DK 182987A DK 182987 A DK182987 A DK 182987A DK 182987 A DK182987 A DK 182987A
- Authority
- DK
- Denmark
- Prior art keywords
- catalyst
- procedure
- sulfur
- selective oxidation
- sulful
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 230000003647 oxidation Effects 0.000 title abstract 2
- 238000007254 oxidation reaction Methods 0.000 title abstract 2
- 229910052717 sulfur Inorganic materials 0.000 title abstract 2
- 239000011593 sulfur Substances 0.000 title abstract 2
- 239000000126 substance Substances 0.000 title 2
- 239000011148 porous material Substances 0.000 abstract 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- 239000011149 active material Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000007792 gaseous phase Substances 0.000 abstract 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/0426—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process characterised by the catalytic conversion
- C01B17/0434—Catalyst compositions
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8612—Hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
- C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
- C01B17/046—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process without intermediate formation of sulfur dioxide
- C01B17/0465—Catalyst compositions
-
- 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
- C10K1/34—Purifying combustible gases containing carbon monoxide by catalytic conversion of impurities to more readily removable materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Developing Agents For Electrophotography (AREA)
- Gyroscopes (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8600959A NL8600959A (nl) | 1986-04-16 | 1986-04-16 | Katalysator voor de selectieve oxydatie van zwavelhoudende verbindingen, in het bizonder zwavelwaterstof tot elementaire zwavel; werkwijze voor de bereiding van de katalysator alsmede werkwijze voor de selectieve oxydatie van zwavelhoudende verbindingen, in het bizonder zwavelwaterstof tot elementaire zwavel. |
NL8600959 | 1986-04-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK182987D0 DK182987D0 (da) | 1987-04-10 |
DK182987A true DK182987A (da) | 1987-10-17 |
DK168614B1 DK168614B1 (da) | 1994-05-09 |
Family
ID=19847882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK182987A DK168614B1 (da) | 1986-04-16 | 1987-04-10 | Katalysator og fremgangsmåde til selektiv oxidering af svovlholdige forbindelser til svovl som grundstof |
Country Status (21)
Country | Link |
---|---|
US (2) | US4818740A (da) |
EP (1) | EP0242920B1 (da) |
JP (1) | JP2525805B2 (da) |
CN (1) | CN1013246B (da) |
AT (1) | ATE55555T1 (da) |
AU (1) | AU583983B2 (da) |
BR (1) | BR8701847A (da) |
CA (1) | CA1300117C (da) |
DE (1) | DE3764298D1 (da) |
DK (1) | DK168614B1 (da) |
ES (1) | ES2017701B3 (da) |
FI (1) | FI85661C (da) |
GR (1) | GR3000726T3 (da) |
IN (1) | IN169394B (da) |
MX (1) | MX168319B (da) |
NL (1) | NL8600959A (da) |
NO (1) | NO171769C (da) |
PT (1) | PT84676B (da) |
RU (1) | RU1833200C (da) |
UA (1) | UA11072A (da) |
YU (1) | YU46339B (da) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8600960A (nl) * | 1986-04-16 | 1987-11-16 | Veg Gasinstituut Nv | Werkwijze voor het winnen van zwavel uit zwavelhoudende gassen. |
DE3740439A1 (de) * | 1987-11-28 | 1989-06-08 | Veg Gasinstituut Nv | Verfahren zur entfernung von schwefelwasserstoff aus gasen |
US5494650A (en) * | 1989-01-19 | 1996-02-27 | Societe Nationale Elf Aquitaine (Production) | Process for improving the sulphur yield of a complex for producing sulphur from a sour gas containing H2 S, the said complex comprising a sulphur plant and then an oxidation and hydrolysis unit followed by a purification unit |
NL8901893A (nl) * | 1989-07-21 | 1991-02-18 | Veg Gasinstituut Nv | Katalysator voor de selectieve oxidatie van zwavelverbindingen tot elementaire zwavel, werkwijze voor de bereiding van een dergelijke katalysator en werkwijze voor de selectieve oxidatie van zwavelverbindingen tot elementaire zwavel. |
US5514351A (en) * | 1992-04-15 | 1996-05-07 | Mobil Oil Corporation | Desulfurizing tailgas from sulfur recovery unit |
US5458861A (en) * | 1992-04-15 | 1995-10-17 | Mobil Oil Corporation | Desulfurizing a gas stream |
US5591417A (en) * | 1992-04-15 | 1997-01-07 | Mobil Oil Corporation | Removing SOx, CO and NOx from flue gases |
US5266274A (en) * | 1992-10-13 | 1993-11-30 | Tpa, Inc. | Oxygen control system for a sulfur recovery unit |
NL9202283A (nl) * | 1992-12-29 | 1994-07-18 | Gastec Nv | Werkwijze voor het ontzwavelen van een gas. |
US5494879A (en) * | 1993-02-26 | 1996-02-27 | Regents, University Of California | Catalyst for the reduction of sulfur dioxide to elemental sulfur |
NL9301615A (nl) * | 1993-09-17 | 1995-04-18 | Gastec Nv | Katalysator voor de selectieve oxidatie van zwavelverbindingen tot elementaire zwavel, werkwijze voor de bereiding van een dergelijke katalysator en werkwijze voor de selectieve oxidatie van zwavelverbindingen tot elementaire zwavel. |
US5512260A (en) * | 1994-03-04 | 1996-04-30 | Mobil Oil Corporation | Reduction of sulfur content in a gaseous stream |
US5965100A (en) * | 1995-04-25 | 1999-10-12 | Khanmamedov; Tofik K. | Process for recovery of sulfur from an acid gas stream |
US5603913A (en) * | 1995-05-17 | 1997-02-18 | Azerbaidzhanskaya Gosudarstvennaya Neftianaya Academiya | Catalysts and process for selective oxidation of hydrogen sulfide to elemental sulfur |
US5891415A (en) * | 1995-05-17 | 1999-04-06 | Azerbaidzhanskaya Gosudarstvennaya Neftianaya Academiya | Process for selective oxidation of hydrogen sulfide to elemental sulfur |
NL1002524C2 (nl) | 1996-03-04 | 1997-09-05 | Gastec Nv | Katalysator voor de selectieve oxidatie van zwavelverbindingen tot elementaire zwavel, werkwijze voor de bereiding van een dergelijke kata- lysator en werkwijze voor de selectieve oxidatie van zwavelverbindingen elementaire zwavel. |
US5756852A (en) * | 1996-10-15 | 1998-05-26 | Barton; Derek H. R. | Co-oxidation of H2 S and saturated hydrocarbons |
CN1088607C (zh) * | 1997-06-27 | 2002-08-07 | 中国石化齐鲁石油化工公司 | 选择性氧化硫化氢回收元素硫的催化剂及制备方法 |
WO1999037389A1 (en) * | 1998-01-26 | 1999-07-29 | Tda Research, Inc. | Catalysts for the selective oxidation of hydrogen sulfide to sulfur |
WO2003082455A2 (en) * | 2002-03-25 | 2003-10-09 | Tda Research, Inc. | Catalysts and process for oxidizing hydrogen sulfide to sulfur dioxide and sulfur |
US7060233B1 (en) | 2002-03-25 | 2006-06-13 | Tda Research, Inc. | Process for the simultaneous removal of sulfur and mercury |
FR2840295B1 (fr) * | 2002-06-03 | 2005-02-04 | Inst Francais Du Petrole | Prodede d'elimination du soufre d'une charge contenant de l'hydrogene sulfure et du benzene, toluene et/ou xylenes |
EP1447124A1 (en) * | 2003-02-04 | 2004-08-18 | Gastec N.V. | Supported catalyst system for removing sulfur compounds from gases |
EP1667933B1 (en) * | 2003-09-29 | 2010-07-21 | Shell Internationale Researchmaatschappij B.V. | Process for the selective oxidation of hydrogen sulfhide |
CA2548071C (en) * | 2003-12-05 | 2009-10-20 | Jayalekshmy Ayyer | A catalyst useful for h2s removal from gas stream preparation thereof and use thereof |
US7396522B2 (en) * | 2003-12-05 | 2008-07-08 | Jayalekshmy Ayyer | Catalyst useful for removal of hydrogen sulphide from gas stream and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst |
US7138101B2 (en) * | 2004-01-15 | 2006-11-21 | Conocophillips Company | Two-stage catalytic process for recovering sulfur from an H2S-containing gas stream |
US7820579B2 (en) * | 2004-01-20 | 2010-10-26 | Shell Oil Company | Method of restoring catalytic activity to a spent hydrotreating catalyst, the resulting restored catalyst, and a method of hydroprocessing |
CN101166567B (zh) | 2005-03-30 | 2011-02-23 | 国际壳牌研究有限公司 | 生产贫含硫化氢的气体物流的方法 |
US7335253B2 (en) | 2005-03-31 | 2008-02-26 | Shell Oil Company | Process for preparing a sulphur cement product |
DE102005022164B4 (de) * | 2005-05-13 | 2009-08-06 | Lurgi Gmbh | Vorrichtung und Verfahren zum Betrieb der Vorrichtung zur kontinuierlichen Rückgewinnung von Schwefel aus H2S enthaltendem Gas |
WO2009111585A1 (en) * | 2008-03-04 | 2009-09-11 | Worleyparsons Group, Inc. | Process for catalytic tail gas incineration |
CN101380582B (zh) * | 2008-10-14 | 2011-11-23 | 淄博海川精细化工有限公司 | 选择性氧化硫化氢成为元素硫的催化剂及反应工艺 |
RU2448040C1 (ru) * | 2010-11-30 | 2012-04-20 | Учреждение Российской академии наук Институт химии и химической технологии Сибирского отделения РАН (ИХХТ СО РАН) | Способ получения серы из сероводорода |
RU2533140C2 (ru) * | 2012-12-12 | 2014-11-20 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Способ получения серы каталитическим окислением сероводорода |
RU2552445C2 (ru) * | 2013-04-24 | 2015-06-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Способ очистки попутного нефтяного газа от сероводорода |
RU2552443C2 (ru) * | 2013-04-24 | 2015-06-10 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | Способ утилизации сероводорода каталитическим окислением в элементарную серу |
CN105126849B (zh) * | 2015-08-21 | 2017-05-24 | 山东迅达化工集团有限公司 | 选择氧化H2S生成单质硫的Fe2O3/硅藻土催化剂及其制备方法 |
NL2017178B1 (en) | 2016-07-15 | 2018-01-18 | Jacobs Nederland Bv | Selective oxidation of hydrogen sulfide |
NL2017533B1 (en) | 2016-09-26 | 2018-04-04 | Jacobs Nederland Bv | Improved catalyst for the selective oxidation of hydrogen sulfide |
WO2020254578A1 (en) | 2019-06-20 | 2020-12-24 | Haldor Topsøe A/S | Method and catalyst for selective oxidation of hydrogen sulfide to elemental sulfur in a reducing gas |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2083895A (en) * | 1933-12-21 | 1937-06-15 | Sulco Lab Inc | Catalytic process for the conversion of sulphur compounds |
US2083894A (en) * | 1933-12-21 | 1937-06-15 | Sulco Lab Inc | Process for the treatment of sulphur compounds |
DE1122500B (de) * | 1957-10-23 | 1962-01-25 | Dev De La Catalyse Ind Iasocat | Verfahren zur Gewinnung von Elementarschwefel aus Schwefelwasserstoff unter Verwendung von Katalysatoren |
US2971824A (en) * | 1958-08-11 | 1961-02-14 | Socony Mobil Oil Co Inc | Process for recovering sulfur from hydrogen sulfide-containing gases |
US3393050A (en) * | 1966-04-22 | 1968-07-16 | Pan American Petroleum Corp | Recovery of free sulfur from hydrogen sulfide-containing gas |
FR1603452A (da) * | 1968-02-02 | 1971-04-19 | ||
DE1667641A1 (de) * | 1968-03-16 | 1971-07-08 | Metallgesellschaft Ag | Verfahren zur katalytischen Umsetzung von Schwefeldioxid mit Schwefelwasserstoff |
US3870657A (en) * | 1970-10-16 | 1975-03-11 | Phillips Petroleum Co | Alumina-supported catalysts having substantial area in large pores |
US3867313A (en) * | 1970-12-28 | 1975-02-18 | Universal Oil Prod Co | Nickel-free, all metal, catalyst element |
US3781445A (en) * | 1971-12-10 | 1973-12-25 | Exxon Research Engineering Co | Recovery of sulphur |
GB1465523A (en) * | 1973-01-26 | 1977-02-23 | Norton Co | Low surface area alumina |
NL176160C (nl) * | 1973-10-10 | 1985-03-01 | Comprimo Bv | Werkwijze voor het verbranden van een ammoniak en waterstofsulfide bevattend mengsel van gassen. |
FR2277877A1 (fr) * | 1974-07-11 | 1976-02-06 | Aquitaine Petrole | Procede de desulfuration des gaz contenant de l'hydrogene sulfure |
FR2295782A1 (fr) * | 1974-12-27 | 1976-07-23 | Inst Francais Du Petrole | Procede d'epuration d'un gaz contenant du sulfure d'hydrogene et masses de contact utilisables a cet effet |
NL7603622A (en) * | 1976-04-07 | 1977-10-11 | Arend Jan | Lowering the sulphur cpd. content of claus installation effluent - by burning hydrogen sulphide and absorbing sulphur dioxide and hydrogen sulphide in a cooling liq. to form sulphur |
US4311683A (en) * | 1976-06-28 | 1982-01-19 | Union Oil Company Of California | Process for removal of hydrogen sulfide from gas streams |
US4243647A (en) * | 1976-06-28 | 1981-01-06 | Union Oil Company Of California | Process for removal of hydrogen sulfide from gas streams |
US4200552A (en) * | 1976-10-06 | 1980-04-29 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst carrier, catalyst and their manufacturing process |
JPS5345687A (en) * | 1976-10-06 | 1978-04-24 | Toyota Motor Corp | Catalyst carrier and catalyst |
FR2369209A1 (fr) * | 1976-11-02 | 1978-05-26 | Inst Francais Du Petrole | Procede d'oxydation du soufre et des composes du soufre |
US4123507A (en) * | 1976-11-02 | 1978-10-31 | Union Oil Company Of California | Process for removing sulfur and NOx components from a gas stream |
GB1594362A (en) * | 1977-05-23 | 1981-07-30 | Ici Ltd | Production of alkylene oxides and catalysts therefor |
US4278646A (en) * | 1978-03-30 | 1981-07-14 | The Regents Of The University Of California | Oxidative removal of hydrogen sulfide from gaseous streams |
US4233276A (en) * | 1979-03-30 | 1980-11-11 | Standard Oil Company (Indiana) | Process for the desulfurization of waste gases |
US4279882A (en) * | 1979-04-27 | 1981-07-21 | Ralph M. Parsons Company | Process for sulfur production |
JPS56108517A (en) * | 1980-01-30 | 1981-08-28 | Mitsubishi Chem Ind Ltd | Decomposition of nitrogen oxide in waste gas |
US4313820A (en) * | 1980-02-28 | 1982-02-02 | Phillips Petroleum Co. | Hydrodesulfurization of organic sulfur compounds and hydrogen sulfide removal with incompletely sulfided zinc titanate materials |
FR2481254A1 (fr) * | 1980-04-23 | 1981-10-30 | Elf Aquitaine | Procede pour l'incineration catalytique de gaz residuaires renfermant en faible concentration au moins un compose du soufre choisi parmi cos, cs2, et les mercaptans et eventuellement au moins un membre du groupe forme par h2s, so2, soufre vapeur et/ou vesiculaire |
FR2501662A1 (fr) * | 1981-03-13 | 1982-09-17 | Rhone Poulenc Spec Chim | Catalyseurs et procede d'oxydation de l'hydrogene sulfure et/ou des composes organiques du soufre en anhydride sulfureux |
DE3131257C2 (de) * | 1981-08-07 | 1986-10-30 | VEG-Gasinstituut N.V., Apeldoorn | Verfahren zum Entfernen von Schwefelwasserstoff aus Gasen |
US4363790A (en) * | 1981-08-14 | 1982-12-14 | Institute Of Gas Technology | Desulfurization of H2 S containing gas streams with production of elemental sulfur |
DE3143400A1 (de) * | 1981-11-02 | 1983-06-01 | Mobil Oil Corp., 10017 New York, N.Y. | Verfahren zur verringerung des schwefelgehaltes in gasstroemen unter gewinnung von elementarem schwefel |
EP0085213B1 (en) * | 1982-02-02 | 1990-02-07 | Union Oil Company Of California | Catalyst and process for oxidizing hydrogen sulfide |
DE3208695A1 (de) * | 1982-03-11 | 1983-09-22 | Basf Ag, 6700 Ludwigshafen | Verfahren zur entschwefelung von h(pfeil abwaerts)2(pfeil abwaerts)s-haltigen gasen |
DE3228481A1 (de) * | 1982-07-30 | 1984-02-02 | VEG-Gasinstituut N.V., 7300 Apeldoorn | Reaktionsmasse, verfahren zu ihrer herstellung und deren verwendung |
SU1214583A1 (ru) * | 1983-05-26 | 1986-02-28 | Азербайджанский Институт Нефти И Химии Им.М.Азизбекова | Способ очистки газа от сероводорода |
US4526590A (en) * | 1983-05-31 | 1985-07-02 | Standard Oil Company (Indiana) | Cooling and condensing of sulfur and water from Claus process gas |
-
1986
- 1986-04-16 NL NL8600959A patent/NL8600959A/nl not_active Application Discontinuation
-
1987
- 1987-04-09 CA CA000534312A patent/CA1300117C/en not_active Expired - Lifetime
- 1987-04-10 DK DK182987A patent/DK168614B1/da not_active IP Right Cessation
- 1987-04-13 NO NO871560A patent/NO171769C/no not_active IP Right Cessation
- 1987-04-13 US US07/037,590 patent/US4818740A/en not_active Expired - Lifetime
- 1987-04-13 IN IN272/MAS/87A patent/IN169394B/en unknown
- 1987-04-13 FI FI871613A patent/FI85661C/fi not_active IP Right Cessation
- 1987-04-14 MX MX006059A patent/MX168319B/es unknown
- 1987-04-14 PT PT84676A patent/PT84676B/pt not_active IP Right Cessation
- 1987-04-14 AU AU71498/87A patent/AU583983B2/en not_active Ceased
- 1987-04-15 ES ES87200712T patent/ES2017701B3/es not_active Expired - Lifetime
- 1987-04-15 EP EP87200712A patent/EP0242920B1/en not_active Expired - Lifetime
- 1987-04-15 DE DE8787200712T patent/DE3764298D1/de not_active Expired - Lifetime
- 1987-04-15 BR BR8701847A patent/BR8701847A/pt not_active IP Right Cessation
- 1987-04-15 AT AT87200712T patent/ATE55555T1/de not_active IP Right Cessation
- 1987-04-16 RU SU874202449A patent/RU1833200C/ru active
- 1987-04-16 UA UA4202449A patent/UA11072A/uk unknown
- 1987-04-16 JP JP62094240A patent/JP2525805B2/ja not_active Expired - Lifetime
- 1987-04-16 CN CN87103687A patent/CN1013246B/zh not_active Expired
-
1988
- 1988-08-10 YU YU154988A patent/YU46339B/sh unknown
- 1988-12-09 US US07/282,196 patent/US5037629A/en not_active Expired - Fee Related
-
1990
- 1990-08-19 GR GR90400354T patent/GR3000726T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
NO871560D0 (no) | 1987-04-13 |
GR3000726T3 (en) | 1991-10-10 |
CN1013246B (zh) | 1991-07-24 |
ES2017701B3 (es) | 1991-03-01 |
FI85661C (fi) | 1992-05-25 |
YU154988A (en) | 1990-02-28 |
NL8600959A (nl) | 1987-11-16 |
AU583983B2 (en) | 1989-05-11 |
CN87103687A (zh) | 1988-03-09 |
UA11072A (uk) | 1996-12-25 |
PT84676B (pt) | 1989-12-29 |
FI85661B (fi) | 1992-02-14 |
DE3764298D1 (de) | 1990-09-20 |
NO871560L (no) | 1987-10-19 |
EP0242920B1 (en) | 1990-08-16 |
JP2525805B2 (ja) | 1996-08-21 |
YU46339B (sh) | 1993-05-28 |
DK182987D0 (da) | 1987-04-10 |
US4818740A (en) | 1989-04-04 |
ATE55555T1 (de) | 1990-09-15 |
NO171769C (no) | 1993-05-05 |
CA1300117C (en) | 1992-05-05 |
DK168614B1 (da) | 1994-05-09 |
FI871613A0 (fi) | 1987-04-13 |
BR8701847A (pt) | 1988-02-02 |
IN169394B (da) | 1991-10-12 |
EP0242920A1 (en) | 1987-10-28 |
JPS6328450A (ja) | 1988-02-06 |
AU7149887A (en) | 1987-10-22 |
RU1833200C (en) | 1993-08-07 |
MX168319B (es) | 1993-05-18 |
PT84676A (en) | 1987-05-01 |
US5037629A (en) | 1991-08-06 |
FI871613A (fi) | 1987-10-17 |
NO171769B (no) | 1993-01-25 |
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