DE3761242D1 - Kohlenwasserstoffumwandlungskatalysator. - Google Patents
Kohlenwasserstoffumwandlungskatalysator.Info
- Publication number
 - DE3761242D1 DE3761242D1 DE8787200920T DE3761242T DE3761242D1 DE 3761242 D1 DE3761242 D1 DE 3761242D1 DE 8787200920 T DE8787200920 T DE 8787200920T DE 3761242 T DE3761242 T DE 3761242T DE 3761242 D1 DE3761242 D1 DE 3761242D1
 - Authority
 - DE
 - Germany
 - Prior art keywords
 - hydrocarbon conversion
 - conversion catalyst
 - catalyst
 - hydrocarbon
 - conversion
 - 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.)
 - Expired - Lifetime
 
Links
- 239000004215 Carbon black (E152) Substances 0.000 title 1
 - 239000003054 catalyst Substances 0.000 title 1
 - 238000006243 chemical reaction Methods 0.000 title 1
 - 229930195733 hydrocarbon Natural products 0.000 title 1
 - 150000002430 hydrocarbons Chemical class 0.000 title 1
 
Classifications
- 
        
- C—CHEMISTRY; METALLURGY
 - C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
 - C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
 - C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
 - C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
 - C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
 - C10G47/12—Inorganic carriers
 - C10G47/16—Crystalline alumino-silicate carriers
 - C10G47/20—Crystalline alumino-silicate carriers the catalyst containing other metals or compounds thereof
 
 - 
        
- C—CHEMISTRY; METALLURGY
 - C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
 - C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
 - C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
 - C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
 - C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
 - C10G47/12—Inorganic carriers
 - C10G47/16—Crystalline alumino-silicate carriers
 
 - 
        
- B—PERFORMING OPERATIONS; TRANSPORTING
 - B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
 - B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
 - B01J29/00—Catalysts comprising molecular sieves
 - B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
 - B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
 - B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
 - B01J29/16—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
 - B01J29/166—Y-type faujasite
 
 
Landscapes
- Chemical & Material Sciences (AREA)
 - Oil, Petroleum & Natural Gas (AREA)
 - Crystallography & Structural Chemistry (AREA)
 - Engineering & Computer Science (AREA)
 - Organic Chemistry (AREA)
 - Chemical Kinetics & Catalysis (AREA)
 - Inorganic Chemistry (AREA)
 - General Chemical & Material Sciences (AREA)
 - Materials Engineering (AREA)
 - Catalysts (AREA)
 - Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| GB868613132A GB8613132D0 (en) | 1986-05-30 | 1986-05-30 | Hydrocarbon conversion catalysts | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| DE3761242D1 true DE3761242D1 (de) | 1990-02-01 | 
Family
ID=10598663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE8787200920T Expired - Lifetime DE3761242D1 (de) | 1986-05-30 | 1987-05-15 | Kohlenwasserstoffumwandlungskatalysator. | 
Country Status (21)
| Country | Link | 
|---|---|
| US (2) | US4857170A (enEXAMPLES) | 
| EP (1) | EP0247679B1 (enEXAMPLES) | 
| JP (1) | JP2583423B2 (enEXAMPLES) | 
| KR (1) | KR950009001B1 (enEXAMPLES) | 
| CN (1) | CN1021738C (enEXAMPLES) | 
| AU (1) | AU590419B2 (enEXAMPLES) | 
| BR (1) | BR8702719A (enEXAMPLES) | 
| CA (1) | CA1290311C (enEXAMPLES) | 
| CS (1) | CS274296B2 (enEXAMPLES) | 
| DD (1) | DD263786A5 (enEXAMPLES) | 
| DE (1) | DE3761242D1 (enEXAMPLES) | 
| ES (1) | ES2012800B3 (enEXAMPLES) | 
| FI (1) | FI88265C (enEXAMPLES) | 
| GB (1) | GB8613132D0 (enEXAMPLES) | 
| HU (1) | HU206462B (enEXAMPLES) | 
| IN (1) | IN169798B (enEXAMPLES) | 
| NL (1) | NL193655C (enEXAMPLES) | 
| NZ (1) | NZ220462A (enEXAMPLES) | 
| SU (1) | SU1641184A3 (enEXAMPLES) | 
| TR (1) | TR22790A (enEXAMPLES) | 
| ZA (1) | ZA873827B (enEXAMPLES) | 
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| SE8602341D0 (sv) * | 1986-05-22 | 1986-05-22 | Eka Nobel Ab | Sett att framstella en modifierad zeolit y | 
| US5207892A (en) * | 1988-04-07 | 1993-05-04 | Uop | Hydrocarbon conversion process employing a modified form of zeolite Y | 
| GB8814601D0 (en) * | 1988-06-20 | 1988-07-27 | Shell Int Research | Process for preparation of zeolitic catalysts | 
| GB8820364D0 (en) * | 1988-08-26 | 1988-09-28 | Shell Int Research | Hydrocracking catalyst & use thereof in hydrocracking process | 
| US5069890A (en) * | 1989-06-19 | 1991-12-03 | Texaco Inc. | Zeolite treating process | 
| US5457268A (en) * | 1990-05-14 | 1995-10-10 | The University Of Akron | Selective oxidation catalysts for halogenated organics | 
| WO1991017828A1 (en) * | 1990-05-14 | 1991-11-28 | The University Of Akron | Catalysts for the destruction of halogenated organics | 
| US5350501A (en) * | 1990-05-22 | 1994-09-27 | Union Oil Company Of California | Hydrocracking catalyst and process | 
| US5279726A (en) * | 1990-05-22 | 1994-01-18 | Union Oil Company Of California | Catalyst containing zeolite beta and processes for its use | 
| US5112473A (en) * | 1990-06-04 | 1992-05-12 | Texaco Inc. | Hydrotreating or cracking process employing an acidified dealuminated Y-zeolite | 
| US5276234A (en) * | 1990-09-13 | 1994-01-04 | Kawasaki Steel Corporation | Process for producing 2-methylnaphthalene | 
| US5401704A (en) * | 1990-10-23 | 1995-03-28 | Mobil Oil Corporation | Hydrocracking catalyst and process using small crystal size zeolite Y | 
| US5275720A (en) * | 1990-11-30 | 1994-01-04 | Union Oil Company Of California | Gasoline hydrocracking catalyst and process | 
| US5141909A (en) * | 1991-01-22 | 1992-08-25 | Chevron Research And Technology Company | Zeolitic catalyst having selectivity for jet fuel | 
| EP0519573B1 (en) * | 1991-06-21 | 1995-04-12 | Shell Internationale Researchmaatschappij B.V. | Hydrogenation catalyst and process | 
| TW223029B (enEXAMPLES) * | 1991-08-16 | 1994-05-01 | Shell Internat Res Schappej B V | |
| TW252053B (enEXAMPLES) * | 1991-11-01 | 1995-07-21 | Shell Internat Res Schappej Bv | |
| CA2135927A1 (en) * | 1992-05-22 | 1993-12-09 | John W. Ward | Hydrocracking process for producing middle distillates | 
| EP0588440A1 (en) * | 1992-09-17 | 1994-03-23 | Shell Internationale Researchmaatschappij B.V. | Hydrocarbon conversion catalysts | 
| KR940006639A (ko) * | 1992-09-17 | 1994-04-25 | 알베르투스 빌헬무스 | 수소첨가가공시 촉매 기재로서 적당한 물질의 조성물, 이를 함유하는 수소첨가전환 촉매 조성물 및 상기 촉매조성물을 사용하여 탄화수소 오일을 전환시키는 방법 | 
| CN1047105C (zh) * | 1992-11-17 | 1999-12-08 | 中国科学院大连化学物理研究所 | 由合成气转化为二甲醚反应用金属沸石催化剂 | 
| US5601798A (en) * | 1993-09-07 | 1997-02-11 | Pq Corporation | Process for preparing zeolite Y with increased mesopore volume | 
| US5534135A (en) * | 1994-03-07 | 1996-07-09 | Abb Lummus Global Inc. | Synthesis of zeolites | 
| TW358120B (en) | 1994-08-24 | 1999-05-11 | Shell Int Research | Hydrocarbon conversion catalysts | 
| US6133186A (en) * | 1997-03-06 | 2000-10-17 | Shell Oil Company | Process for the preparation of a catalyst composition | 
| DE19751875C2 (de) * | 1997-11-22 | 2001-07-05 | Karlsruhe Forschzent | Herzkatheter mit Messung der Anpreßkraft | 
| ES2232160T3 (es) | 1998-08-03 | 2005-05-16 | Shell Internationale Research Maatschappij B.V. | Procedimiento de preparacion de una composicion catalitica. | 
| GC0000065A (en) | 1998-09-01 | 2004-06-30 | Japan Energy Corp | Hydrocracking catalyst, producing method threof, and hydrocracking method. | 
| AU2003279336A1 (en) | 2002-11-05 | 2004-06-07 | Albemarle Netherlands B.V. | Fischer-tropsch process using a fischer-tropsch catalyst and zeolite y | 
| US6902664B2 (en) * | 2002-11-08 | 2005-06-07 | Chevron U.S.A. Inc. | Extremely low acidity USY and homogeneous, amorphous silica-alumina hydrocracking catalyst and process | 
| US6860986B2 (en) * | 2002-11-08 | 2005-03-01 | Chevron U.S.A. Inc. | Extremely low acidity ultrastable Y zeolite catalyst composition and process | 
| US7192900B2 (en) | 2002-11-27 | 2007-03-20 | Shell Oil Company | Hydrocracking catalyst | 
| US6964935B2 (en) * | 2004-03-12 | 2005-11-15 | Chevron Oronite Company Llc. | Mordenite zeolite alkylation catalysts | 
| US6974788B2 (en) | 2004-03-12 | 2005-12-13 | Chevron Oronite Company Llc. | Zeolite Y alkylation catalysts | 
| US6977319B2 (en) * | 2004-03-12 | 2005-12-20 | Chevron Oronite Company Llc | Alkylated aromatic compositions, zeolite catalyst compositions and processes for making the same | 
| US7585405B2 (en) * | 2005-11-04 | 2009-09-08 | Uop Llc | Hydrocracking catalyst containing beta and Y zeolites, and process for its use to make jet fuel or distillate | 
| US7517825B2 (en) | 2007-01-12 | 2009-04-14 | Uop Llc | Aromatic transalkylation using a LZ-210 zeolite | 
| WO2008088962A1 (en) * | 2007-01-12 | 2008-07-24 | Uop Llc | Y-85 and modified lz-210 zeolites | 
| WO2010124935A1 (en) | 2009-04-29 | 2010-11-04 | Shell Internationale Research Maatschappij B.V. | Hydrocracking catalyst | 
| DK2424661T3 (da) | 2009-04-29 | 2021-03-08 | Pq Corp | Zeolit y | 
| RU2613557C2 (ru) * | 2015-05-12 | 2017-03-17 | федеральное государственное автономное образовательное учреждения высшего профессионального образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВПО КФУ) | Катализатор внутрипластового гидрокрекинга тяжелого углеводородного сырья и способ его применения | 
| CN108102713B (zh) * | 2016-11-24 | 2020-09-11 | 中国石油化工股份有限公司 | 一种催化柴油的加工方法 | 
| CN108102702B (zh) * | 2016-11-24 | 2020-09-11 | 中国石油化工股份有限公司 | 催化柴油的加工方法 | 
| CN108102709B (zh) * | 2016-11-24 | 2020-05-19 | 中国石油化工股份有限公司 | 催化柴油的加工处理方法 | 
| CN112601802B (zh) | 2018-08-30 | 2023-04-25 | 国际壳牌研究有限公司 | 0℃下无浑浊重质基础油和用于生产的方法 | 
| US11148124B2 (en) * | 2019-12-04 | 2021-10-19 | Saudi Arabian Oil Company | Hierarchical zeolite Y and nano-sized zeolite beta composite | 
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US3130007A (en) * | 1961-05-12 | 1964-04-21 | Union Carbide Corp | Crystalline zeolite y | 
| US3391075A (en) * | 1966-04-08 | 1968-07-02 | Mobil Oil Corp | Catalytic conversion of hydrocarbons with the use of a steam treated y type of crystalline aluminosilicate | 
| US3536605A (en) * | 1968-09-27 | 1970-10-27 | Chevron Res | Hydrotreating catalyst comprising an ultra-stable crystalline zeolitic molecular sieve component,and methods for making and using said catalyst | 
| US3875081A (en) * | 1969-10-24 | 1975-04-01 | Union Oil Co | Hydrocarbon conversion catalyst | 
| US3778365A (en) * | 1970-07-27 | 1973-12-11 | Exxon Research Engineering Co | Hydrocracking and hydrodenitrogenation of shale oil | 
| US3945943A (en) * | 1971-10-20 | 1976-03-23 | Union Oil Company Of California | Zeolite containing compositions, catalysts and methods of making | 
| US3929672A (en) * | 1971-10-20 | 1975-12-30 | Union Oil Co | Ammonia-stable Y zeolite compositions | 
| US3887630A (en) * | 1974-02-04 | 1975-06-03 | Union Oil Co | Isomerization of alkyl aromatic hydrocarbons | 
| US4062809A (en) * | 1976-03-18 | 1977-12-13 | Union Oil Company Of California | Catalyst for production of middle distillate oils | 
| US4148759A (en) * | 1976-05-06 | 1979-04-10 | Uop Inc. | Hydrocarbon conversion catalytic composite | 
| CA1131195A (en) * | 1978-02-23 | 1982-09-07 | David E. Earls | Ultrahydrophobic zeolite y | 
| US4259212A (en) * | 1978-06-07 | 1981-03-31 | Exxon Research And Engineering Co. | Octane improvement cracking catalyst | 
| US4255251A (en) * | 1979-07-30 | 1981-03-10 | Texaco Inc. | Hydrocracking process and catalyst | 
| US4711770A (en) * | 1979-08-14 | 1987-12-08 | Union Carbide Corporation | Silicon substituted Y zeolite composition LZ-210 | 
| US4277373A (en) * | 1979-08-16 | 1981-07-07 | Exxon Research & Engineering Co. | Alumina-aluminum fluorophosphate-containing catalysts | 
| US4743355A (en) * | 1979-10-15 | 1988-05-10 | Union Oil Company Of California | Process for producing a high quality lube oil stock | 
| US4517074A (en) * | 1979-10-15 | 1985-05-14 | Union Oil Company Of California | Hydrocarbon conversion process | 
| US4664776A (en) * | 1979-10-15 | 1987-05-12 | Union Oil Company Of California | Hydrocarbon zeolite catalyst employed in hydrocracking process | 
| US4743354A (en) * | 1979-10-15 | 1988-05-10 | Union Oil Company Of California | Process for producing a product hydrocarbon having a reduced content of normal paraffins | 
| US4419271A (en) * | 1979-10-15 | 1983-12-06 | Union Oil Company Of California | Hydrocarbon conversion catalyst | 
| US4610973A (en) * | 1979-10-15 | 1986-09-09 | Union Oil Company Of California | Hydrocarbon conversion catalyst | 
| US4517073A (en) * | 1982-08-09 | 1985-05-14 | Union Oil Company Of California | Hydrocracking process and catalyst therefor | 
| US4600498A (en) * | 1979-10-15 | 1986-07-15 | Union Oil Company Of California | Mild hydrocracking with a zeolite catalyst containing silica-alumina | 
| US4576711A (en) * | 1979-10-15 | 1986-03-18 | Union Oil Company Of California | Hydrocracking process and catalyst therefor | 
| CA1149307A (en) * | 1979-11-13 | 1983-07-05 | Union Carbide Corporation | Midbarrel hydrocracking | 
| JPS57207546A (en) * | 1981-06-13 | 1982-12-20 | Shokubai Kasei Kogyo Kk | Hydrocracking catalyst composition and its production | 
| US4415438A (en) * | 1981-11-24 | 1983-11-15 | Dean Robert R | Method for catalytically converting residual oils | 
| US4565621A (en) * | 1981-12-04 | 1986-01-21 | Union Oil Company Of California | Hydrocracking with rare earth-containing Y zeolite compositions | 
| US4429053A (en) * | 1981-12-04 | 1984-01-31 | Union Oil Company Of California | Rare earth-containing Y zeolite compositions | 
| CA1203191A (en) * | 1982-02-11 | 1986-04-15 | Susan Bradrick | Middistillate production | 
| JPS5926925A (ja) * | 1982-08-02 | 1984-02-13 | Shokubai Kasei Kogyo Kk | 改質ゼオライト | 
| US4563434A (en) * | 1982-08-09 | 1986-01-07 | Union Oil Company Of California | Hydrocracking catalyst | 
| FR2561946B1 (fr) * | 1984-03-30 | 1986-10-03 | Pro Catalyse | Nouveau catalyseur d'hydrocraquage destine a la production de distillats moyens | 
| US4762608A (en) * | 1984-12-20 | 1988-08-09 | Union Carbide Corporation | Upgrading of pyrolysis tar | 
| AU5423186A (en) * | 1985-03-01 | 1986-09-04 | Engelhard Corporation | High octane, high gasoline selectivity catalyst | 
| AU5422886A (en) * | 1985-03-01 | 1986-09-04 | Engelhard Corporation | High octane, high gasoline selectivity catalyst | 
| US4661239A (en) * | 1985-07-02 | 1987-04-28 | Uop Inc. | Middle distillate producing hydrocracking process | 
| JPS62199687A (ja) * | 1986-04-28 | 1987-09-03 | ユニオン・オイル・コンパニ−・オブ・カリフオルニア | 細孔の大きい触媒を用いる水素化法 | 
| GB8613131D0 (en) * | 1986-05-30 | 1986-07-02 | Shell Int Research | Hydrocarbon conversion | 
| US4663025A (en) * | 1986-08-14 | 1987-05-05 | Phillips Petroleum Company | Catalytic cracking processes | 
| US4786403A (en) * | 1986-10-28 | 1988-11-22 | Shell Oil Company | Process for hydrotreating hydro carbon feeds | 
- 
        1986
        
- 1986-05-30 GB GB868613132A patent/GB8613132D0/en active Pending
 
 - 
        1987
        
- 1987-05-15 DE DE8787200920T patent/DE3761242D1/de not_active Expired - Lifetime
 - 1987-05-15 ES ES87200920T patent/ES2012800B3/es not_active Expired - Lifetime
 - 1987-05-15 EP EP87200920A patent/EP0247679B1/en not_active Expired
 - 1987-05-25 CA CA000537896A patent/CA1290311C/en not_active Expired - Lifetime
 - 1987-05-25 NL NL8701243A patent/NL193655C/nl not_active IP Right Cessation
 - 1987-05-27 AU AU73449/87A patent/AU590419B2/en not_active Expired
 - 1987-05-27 JP JP62128553A patent/JP2583423B2/ja not_active Expired - Lifetime
 - 1987-05-27 NZ NZ220462A patent/NZ220462A/xx unknown
 - 1987-05-27 DD DD87303221A patent/DD263786A5/de not_active IP Right Cessation
 - 1987-05-27 CS CS384987A patent/CS274296B2/cs not_active IP Right Cessation
 - 1987-05-27 SU SU874202636A patent/SU1641184A3/ru active
 - 1987-05-27 TR TR368/87A patent/TR22790A/xx unknown
 - 1987-05-27 IN IN392/MAS/87A patent/IN169798B/en unknown
 - 1987-05-27 CN CN87103825A patent/CN1021738C/zh not_active Expired - Fee Related
 - 1987-05-27 FI FI872348A patent/FI88265C/fi not_active IP Right Cessation
 - 1987-05-27 ZA ZA873827A patent/ZA873827B/xx unknown
 - 1987-05-27 KR KR1019870005298A patent/KR950009001B1/ko not_active Expired - Lifetime
 - 1987-05-27 HU HU872451A patent/HU206462B/hu unknown
 - 1987-05-27 BR BR8702719A patent/BR8702719A/pt not_active IP Right Cessation
 - 1987-05-29 US US07/055,652 patent/US4857170A/en not_active Expired - Lifetime
 
 - 
        1989
        
- 1989-04-28 US US07/344,588 patent/US4916096A/en not_active Expired - Lifetime
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| US4916096A (en) | 1990-04-10 | 
| US4857170A (en) | 1989-08-15 | 
| JP2583423B2 (ja) | 1997-02-19 | 
| AU7344987A (en) | 1987-12-03 | 
| AU590419B2 (en) | 1989-11-02 | 
| NZ220462A (en) | 1989-07-27 | 
| ES2012800B3 (es) | 1990-04-16 | 
| CN87103825A (zh) | 1987-12-16 | 
| FI872348A0 (fi) | 1987-05-27 | 
| FI88265B (fi) | 1993-01-15 | 
| KR950009001B1 (ko) | 1995-08-10 | 
| CS384987A2 (en) | 1990-09-12 | 
| CA1290311C (en) | 1991-10-08 | 
| KR870011228A (ko) | 1987-12-21 | 
| FI88265C (fi) | 1993-04-26 | 
| FI872348L (fi) | 1987-12-01 | 
| HUT48487A (en) | 1989-06-28 | 
| IN169798B (enEXAMPLES) | 1991-12-21 | 
| TR22790A (tr) | 1988-07-19 | 
| NL193655C (nl) | 2000-06-06 | 
| BR8702719A (pt) | 1988-03-01 | 
| EP0247679A2 (en) | 1987-12-02 | 
| HU206462B (en) | 1992-11-30 | 
| JPS62298453A (ja) | 1987-12-25 | 
| ZA873827B (en) | 1988-04-27 | 
| DD263786A5 (de) | 1989-01-11 | 
| CS274296B2 (en) | 1991-04-11 | 
| EP0247679B1 (en) | 1989-12-27 | 
| SU1641184A3 (ru) | 1991-04-07 | 
| CN1021738C (zh) | 1993-08-04 | 
| NL8701243A (nl) | 1987-12-16 | 
| GB8613132D0 (en) | 1986-07-02 | 
| NL193655B (nl) | 2000-02-01 | 
| EP0247679A3 (en) | 1988-02-03 | 
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