CA1264693A - Reducing the temperature in a regeneration zone of a fluid catalytic cracking process - Google Patents
Reducing the temperature in a regeneration zone of a fluid catalytic cracking processInfo
- Publication number
- CA1264693A CA1264693A CA000497345A CA497345A CA1264693A CA 1264693 A CA1264693 A CA 1264693A CA 000497345 A CA000497345 A CA 000497345A CA 497345 A CA497345 A CA 497345A CA 1264693 A CA1264693 A CA 1264693A
- Authority
- CA
- Canada
- Prior art keywords
- coke
- low
- solid particles
- catalyst
- make solid
- 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 - Fee Related
Links
- 230000008929 regeneration Effects 0.000 title claims abstract description 59
- 238000011069 regeneration method Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000008569 process Effects 0.000 title claims abstract description 32
- 238000004231 fluid catalytic cracking Methods 0.000 title claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 162
- 239000002245 particle Substances 0.000 claims abstract description 145
- 239000007787 solid Substances 0.000 claims abstract description 145
- 239000000571 coke Substances 0.000 claims abstract description 132
- 238000006243 chemical reaction Methods 0.000 claims abstract description 74
- 238000012360 testing method Methods 0.000 claims abstract description 64
- 238000005336 cracking Methods 0.000 claims abstract description 59
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 45
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 45
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 238000010561 standard procedure Methods 0.000 claims abstract description 21
- 238000004821 distillation Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 230000003197 catalytic effect Effects 0.000 claims abstract description 8
- 229910052809 inorganic oxide Inorganic materials 0.000 claims abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000004523 catalytic cracking Methods 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 claims description 2
- 239000011874 heated mixture Substances 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 47
- 239000010457 zeolite Substances 0.000 description 28
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 24
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- 150000002500 ions Chemical class 0.000 description 17
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- 239000007788 liquid Substances 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 239000011148 porous material Substances 0.000 description 11
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- 235000012211 aluminium silicate Nutrition 0.000 description 9
- 239000004927 clay Substances 0.000 description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 101100513476 Mus musculus Spen gene Proteins 0.000 description 2
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- 239000008186 active pharmaceutical agent Substances 0.000 description 2
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- 239000001257 hydrogen Substances 0.000 description 2
- JCYWCSGERIELPG-UHFFFAOYSA-N imes Chemical class CC1=CC(C)=CC(C)=C1N1C=CN(C=2C(=CC(C)=CC=2C)C)[C]1 JCYWCSGERIELPG-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 235000000078 Baccaurea angulata Nutrition 0.000 description 1
- 244000245260 Baccaurea angulata Species 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
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- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 241000353097 Molva molva Species 0.000 description 1
- 101100305983 Mus musculus Rom1 gene Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241001296096 Probles Species 0.000 description 1
- 241000950638 Symphysodon discus Species 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- VREFGVBLTWBCJP-UHFFFAOYSA-N alprazolam Chemical compound C12=CC(Cl)=CC=C2N2C(C)=NN=C2CN=C1C1=CC=CC=C1 VREFGVBLTWBCJP-UHFFFAOYSA-N 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- JEWHCPOELGJVCB-UHFFFAOYSA-N aluminum;calcium;oxido-[oxido(oxo)silyl]oxy-oxosilane;potassium;sodium;tridecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.[Na].[Al].[K].[Ca].[O-][Si](=O)O[Si]([O-])=O JEWHCPOELGJVCB-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052676 chabazite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- CXOXHMZGEKVPMT-UHFFFAOYSA-N clobazam Chemical compound O=C1CC(=O)N(C)C2=CC=C(Cl)C=C2N1C1=CC=CC=C1 CXOXHMZGEKVPMT-UHFFFAOYSA-N 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
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- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
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- HOQADATXFBOEGG-UHFFFAOYSA-N isofenphos Chemical compound CCOP(=S)(NC(C)C)OC1=CC=CC=C1C(=O)OC(C)C HOQADATXFBOEGG-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 229910052667 lazurite Inorganic materials 0.000 description 1
- 229910052907 leucite Inorganic materials 0.000 description 1
- 235000011475 lollipops Nutrition 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001723 mesolite Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 229910052664 nepheline Inorganic materials 0.000 description 1
- 239000010434 nepheline Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229940099990 ogen Drugs 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
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- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910001743 phillipsite Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 230000002226 simultaneous effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052665 sodalite Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- BGRJTUBHPOOWDU-UHFFFAOYSA-N sulpiride Chemical compound CCN1CCCC1CNC(=O)C1=CC(S(N)(=O)=O)=CC=C1OC BGRJTUBHPOOWDU-UHFFFAOYSA-N 0.000 description 1
- 239000011275 tar sand Substances 0.000 description 1
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- 238000005292 vacuum distillation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 235000021126 varied diet Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
-
- 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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
- C10G11/04—Oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Moulding By Coating Moulds (AREA)
- Paper (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70362585A | 1985-02-20 | 1985-02-20 | |
| US703,625 | 1985-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1264693A true CA1264693A (en) | 1990-01-23 |
Family
ID=24826138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000497345A Expired - Fee Related CA1264693A (en) | 1985-02-20 | 1985-12-11 | Reducing the temperature in a regeneration zone of a fluid catalytic cracking process |
Country Status (19)
| Country | Link |
|---|---|
| EP (1) | EP0195129B1 (cs) |
| JP (1) | JPS61192793A (cs) |
| KR (1) | KR900000891B1 (cs) |
| CN (1) | CN1004141B (cs) |
| AT (1) | ATE36553T1 (cs) |
| AU (1) | AU572370B2 (cs) |
| BR (1) | BR8600707A (cs) |
| CA (1) | CA1264693A (cs) |
| CS (1) | CS257282B2 (cs) |
| DD (1) | DD253576A5 (cs) |
| DE (1) | DE3564445D1 (cs) |
| ES (1) | ES8801359A1 (cs) |
| GR (1) | GR860160B (cs) |
| HU (1) | HU202905B (cs) |
| IN (1) | IN163843B (cs) |
| NO (1) | NO166454C (cs) |
| PL (1) | PL145514B1 (cs) |
| SU (1) | SU1436885A3 (cs) |
| ZA (1) | ZA859538B (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950729B (zh) * | 2018-09-27 | 2022-06-07 | 中石化洛阳工程有限公司 | 一种提高低碳烯烃选择性的方法和设备 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1154735A (en) * | 1978-09-11 | 1983-10-04 | Stanley M. Brown | Catalytic cracking with reduced emissions of sulfur oxides |
| US4311581A (en) * | 1980-01-07 | 1982-01-19 | Union Oil Company Of California | Process for reducing CO and SOx emissions from catalytic cracking units |
| AU557769B2 (en) * | 1981-09-14 | 1987-01-08 | W.R. Grace & Co.-Conn. | Catalytic cracking of sulphur-bearing hydrocarbon feedstocks and spinel component catalyst |
| GB2114146A (en) * | 1982-01-29 | 1983-08-17 | Engelhard Corp | Preparation of FCC charge by selective vaporization |
| AU555438B2 (en) * | 1984-01-04 | 1986-09-25 | Mobil Oil Corp. | Fcc process |
| US4608357A (en) * | 1984-02-06 | 1986-08-26 | Engelhard Corporation | Catalytic cracking with mullite composition promoted combustion of carbon monoxide |
-
1985
- 1985-12-11 CA CA000497345A patent/CA1264693A/en not_active Expired - Fee Related
- 1985-12-12 ZA ZA859538A patent/ZA859538B/xx unknown
- 1985-12-13 AU AU51209/85A patent/AU572370B2/en not_active Ceased
- 1985-12-18 IN IN1083/DEL/85A patent/IN163843B/en unknown
- 1985-12-19 EP EP85116235A patent/EP0195129B1/en not_active Expired
- 1985-12-19 DE DE8585116235T patent/DE3564445D1/de not_active Expired
- 1985-12-19 AT AT85116235T patent/ATE36553T1/de not_active IP Right Cessation
- 1985-12-27 NO NO855323A patent/NO166454C/no unknown
-
1986
- 1986-01-17 ES ES550983A patent/ES8801359A1/es not_active Expired
- 1986-01-21 GR GR860160A patent/GR860160B/el unknown
- 1986-02-01 CN CN86100906.1A patent/CN1004141B/zh not_active Expired
- 1986-02-18 CS CS861121A patent/CS257282B2/cs unknown
- 1986-02-18 DD DD86287132A patent/DD253576A5/de not_active IP Right Cessation
- 1986-02-18 JP JP61033682A patent/JPS61192793A/ja active Granted
- 1986-02-19 PL PL1986258018A patent/PL145514B1/pl unknown
- 1986-02-19 BR BR8600707A patent/BR8600707A/pt unknown
- 1986-02-19 HU HU86695A patent/HU202905B/hu not_active IP Right Cessation
- 1986-02-19 SU SU864020678A patent/SU1436885A3/ru active
- 1986-02-20 KR KR1019860001187A patent/KR900000891B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GR860160B (en) | 1986-05-21 |
| NO166454B (no) | 1991-04-15 |
| AU572370B2 (en) | 1988-05-05 |
| ES550983A0 (es) | 1987-12-16 |
| IN163843B (cs) | 1988-11-26 |
| HUT44066A (en) | 1988-01-28 |
| CS112186A2 (en) | 1987-09-17 |
| DE3564445D1 (en) | 1988-09-22 |
| HU202905B (en) | 1991-04-29 |
| EP0195129A1 (en) | 1986-09-24 |
| NO166454C (no) | 1991-07-24 |
| DD253576A5 (de) | 1988-01-27 |
| AU5120985A (en) | 1986-08-28 |
| SU1436885A3 (ru) | 1988-11-07 |
| KR900000891B1 (ko) | 1990-02-17 |
| CN86100906A (zh) | 1986-09-03 |
| ATE36553T1 (de) | 1988-09-15 |
| CS257282B2 (en) | 1988-04-15 |
| NO855323L (no) | 1986-09-02 |
| JPH0349316B2 (cs) | 1991-07-29 |
| EP0195129B1 (en) | 1988-08-17 |
| CN1004141B (zh) | 1989-05-10 |
| BR8600707A (pt) | 1986-10-29 |
| ZA859538B (en) | 1986-08-27 |
| ES8801359A1 (es) | 1987-12-16 |
| JPS61192793A (ja) | 1986-08-27 |
| KR860006526A (ko) | 1986-09-11 |
| PL145514B1 (en) | 1988-09-30 |
| PL258018A1 (en) | 1987-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |