ES8600081A1 - Procedimiento para la separacion de alquinos de corrientes hidrocarbonadas que contienen 1,3-butadieno - Google Patents
Procedimiento para la separacion de alquinos de corrientes hidrocarbonadas que contienen 1,3-butadienoInfo
- Publication number
- ES8600081A1 ES8600081A1 ES526675A ES526675A ES8600081A1 ES 8600081 A1 ES8600081 A1 ES 8600081A1 ES 526675 A ES526675 A ES 526675A ES 526675 A ES526675 A ES 526675A ES 8600081 A1 ES8600081 A1 ES 8600081A1
- Authority
- ES
- Spain
- Prior art keywords
- alkynes
- catalyst
- dienes
- selective hydrogenation
- diene
- 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
Links
- 150000001345 alkine derivatives Chemical class 0.000 title abstract 3
- 239000003054 catalyst Substances 0.000 title abstract 3
- 150000001993 dienes Chemical class 0.000 title abstract 3
- 238000005984 hydrogenation reaction Methods 0.000 title abstract 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000012190 activator Substances 0.000 abstract 1
- WFYPICNXBKQZGB-UHFFFAOYSA-N butenyne Chemical compound C=CC#C WFYPICNXBKQZGB-UHFFFAOYSA-N 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
- C07C5/08—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of carbon-to-carbon triple bonds
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8926—Copper and noble metals
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/12—Alkadienes
- C07C11/16—Alkadienes with four carbon atoms
- C07C11/167—1, 3-Butadiene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- C07C7/163—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation
- C07C7/167—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation for removal of compounds containing a triple carbon-to-carbon bond
-
- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/32—Selective hydrogenation of the diolefin or acetylene compounds
- C10G45/34—Selective hydrogenation of the diolefin or acetylene compounds characterised by the catalyst used
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/651—50-500 nm
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/653—500-1000 nm
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/66—Pore distribution
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/66—Pore distribution
- B01J35/67—Pore distribution monomodal
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/66—Pore distribution
- B01J35/69—Pore distribution bimodal
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
- C07C2521/04—Alumina
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/72—Copper
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PROCEDIMIENTO PARA PREPARAR NUEVOS CATALIZADORES PARA LA HIDROGENACION SELECTIVA DE ALQUINOS EN PRESENTA DE DIENOS.COMPRENDE: A) IMPREGNAR UN SOPORTE DE ALUMINA CON SOLUCIONES DE SALES DE CU, Y ORO O MAS ACTIVADORES; B) SECAR EL SOPORTE IMPREGNADO A UNA TEMPERATURA ENTRE 90 Y 130JC Y DURANTE 1 A 24 HORAS; Y C) CALCINAR EL SOPORTE, IMPREGNADO Y SECADO, A 300-500J DURANTE 3 A 12 HORAS, PARA DESCOMPONER A LAS SALES Y DEPOSITAR SOBRE EL SOPORTE A LOS ELEMENTOS EN ESTADO METALICO FINAMENTE DIVIDIDO. EL SOPORTE DE ALUMINA, ESTA CONSTITUIDO POR UNA GAMMA-ALUMINA CON UNA SUPERFICIE ESPECIFICA DE 68 A 350 M2/G Y CON UNA DISTRIBUCION DE POROS TAL QUE EL 60 AL 90 DE LOS MISMOS TIENE UN DIAMETRO MEDIO DE 4 A 12 MM EL 2 A 25 DE LOS MISMOS TIENE UN DIAMETRO MEDIO DE 100 A 1.000 MM Y CONTIENE UN 0,1 DE NA2O Y DE 0,15 DE SIO2, UN 0,01 DE S Y UN 0,06 DE FE2O3 Y EL ACTIVADOR METALICO SE ELIGE ENTRE, AG, PT, PD, MN, CO, NI, O MO.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/473,293 US4440956A (en) | 1982-10-25 | 1983-03-08 | Selective hydrogenation of acetylenes in the presence of butadiene and catalyst used in the hydrogenation |
EP83306347A EP0139051B1 (en) | 1983-03-08 | 1983-10-19 | Catalyst for selective hydrogenation of alkynes in the presence of dienes |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8600081A1 true ES8600081A1 (es) | 1985-10-01 |
ES526675A0 ES526675A0 (es) | 1985-10-01 |
Family
ID=26089693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES526675A Granted ES526675A0 (es) | 1983-03-08 | 1983-10-21 | Procedimiento para la separacion de alquinos de corrientes hidrocarbonadas que contienen 1,3-butadieno |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0139051B1 (es) |
JP (1) | JPS59162949A (es) |
KR (1) | KR900003942B1 (es) |
AU (1) | AU559034B2 (es) |
CA (1) | CA1212373A (es) |
DE (1) | DE3374666D1 (es) |
ES (1) | ES526675A0 (es) |
IN (1) | IN161477B (es) |
ZA (1) | ZA837785B (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2553760B1 (fr) * | 1983-10-25 | 1986-05-02 | Inst Francais Du Petrole | Procede d'hydrogenation selective en presence de solvant des composes acetyleniques d'une coupe d'hydrocarbures c4 riche en butadiene |
CA1304069C (en) * | 1986-08-25 | 1992-06-23 | Johannes C. Oudejans | Hydrogenation catalyst |
GB2199589B (en) * | 1986-12-30 | 1991-07-24 | Labofina Sa | Improved process for the selective hydrogenation of acetylenes |
GB8717989D0 (en) * | 1987-07-29 | 1987-09-03 | Davy Mckee Ltd | Catalyst |
DE19636064A1 (de) * | 1996-09-05 | 1998-03-12 | Basf Ag | Verfahren zur Hydrierung |
GB0212321D0 (en) | 2002-05-29 | 2002-07-10 | Johnson Matthey Plc | Catalyst composition |
US6576588B2 (en) * | 2000-04-07 | 2003-06-10 | Catalytic Distillation Technologies | Process for selective hydrogenation of alkynes and catalyst therefor |
CN1090997C (zh) | 2000-04-30 | 2002-09-18 | 中国石油化工集团公司 | 一种选择加氢除炔多金属催化剂 |
US20040030207A1 (en) * | 2002-08-08 | 2004-02-12 | Catalytic Distillation Technologies | Selective hydrogenation of acetylenes |
KR100780173B1 (ko) * | 2006-12-29 | 2007-11-28 | 주식회사 효성 | 2,6-나프탈렌디카르복실산 정제용 촉매, 그 제조방법 및이를 이용한 정제공정 |
US10792647B2 (en) | 2009-04-21 | 2020-10-06 | Johnson Matthey Public Limited Company | Base metal catalysts for the oxidation of carbon monoxide and volatile organic compounds |
FR3011844A1 (fr) * | 2013-10-16 | 2015-04-17 | IFP Energies Nouvelles | Procede d'hydrogenation selective mettant en œuvre un catalyseur contenant du cuivre et au moins un metal choisi parmi le nickel ou le cobalt |
CN108779045A (zh) | 2016-03-31 | 2018-11-09 | 日本瑞翁株式会社 | 氢化方法 |
FR3059252B1 (fr) * | 2016-11-29 | 2018-11-16 | IFP Energies Nouvelles | Catalyseur d’hydrogenation selective de coupes c3 de vapocraquage et/ou de craquage catalytique |
FR3059253B1 (fr) * | 2016-11-29 | 2020-01-17 | IFP Energies Nouvelles | Catalyseur d'hydrogenation selective d'une coupe d'hydrocarbures c3. |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB945403A (en) * | 1960-07-11 | 1963-12-23 | Continental Oil Co | Improvements in or relating to the production of alumina |
US3692698A (en) * | 1970-12-28 | 1972-09-19 | Exxon Research Engineering Co | Hydroprocessing catalyst |
FR2179967B1 (es) * | 1972-04-13 | 1978-03-03 | Norton Co | |
US3850849A (en) * | 1972-05-24 | 1974-11-26 | Norton Co | Formed alumina bodies for catalytic uses |
GB1465523A (en) * | 1973-01-26 | 1977-02-23 | Norton Co | Low surface area alumina |
US3912789A (en) * | 1973-12-17 | 1975-10-14 | Dow Chemical Co | Dealkynation of olefin and diolefin streams |
US4101451A (en) * | 1977-01-19 | 1978-07-18 | The Dow Chemical Company | Enhancement of promoted copper catalyst |
GB1586398A (en) * | 1977-07-15 | 1981-03-18 | Gen Motors Corp | Pellet type oxidation catalyst |
US4301037A (en) * | 1980-04-01 | 1981-11-17 | W. R. Grace & Co. | Extruded alumina catalyst support having controlled distribution of pore sizes |
-
1983
- 1983-10-19 EP EP83306347A patent/EP0139051B1/en not_active Expired
- 1983-10-19 AU AU20300/83A patent/AU559034B2/en not_active Ceased
- 1983-10-19 ZA ZA837785A patent/ZA837785B/xx unknown
- 1983-10-19 DE DE8383306347T patent/DE3374666D1/de not_active Expired
- 1983-10-19 JP JP58194425A patent/JPS59162949A/ja active Granted
- 1983-10-20 CA CA000439392A patent/CA1212373A/en not_active Expired
- 1983-10-21 ES ES526675A patent/ES526675A0/es active Granted
- 1983-10-25 KR KR1019830005036A patent/KR900003942B1/ko not_active IP Right Cessation
- 1983-12-19 IN IN1548/CAL/83A patent/IN161477B/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPH0341212B2 (es) | 1991-06-21 |
IN161477B (es) | 1987-12-12 |
JPS59162949A (ja) | 1984-09-13 |
ZA837785B (en) | 1985-06-26 |
AU2030083A (en) | 1984-09-13 |
EP0139051A1 (en) | 1985-05-02 |
DE3374666D1 (en) | 1988-01-07 |
ES526675A0 (es) | 1985-10-01 |
EP0139051B1 (en) | 1987-11-25 |
CA1212373A (en) | 1986-10-07 |
KR840007826A (ko) | 1984-12-11 |
KR900003942B1 (ko) | 1990-06-05 |
AU559034B2 (en) | 1987-02-19 |
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