PH27017A - Process for the hydrogenation of hydrocarbon oils - Google Patents
Process for the hydrogenation of hydrocarbon oils Download PDFInfo
- Publication number
- PH27017A PH27017A PH37386A PH37386A PH27017A PH 27017 A PH27017 A PH 27017A PH 37386 A PH37386 A PH 37386A PH 37386 A PH37386 A PH 37386A PH 27017 A PH27017 A PH 27017A
- Authority
- PH
- Philippines
- Prior art keywords
- process according
- boiling point
- feedstock
- catalyst
- hydrogenation
- Prior art date
Links
- 238000005984 hydrogenation reaction Methods 0.000 title claims description 70
- 238000000034 method Methods 0.000 title claims description 65
- 239000003921 oil Substances 0.000 title claims description 32
- 239000004215 Carbon black (E152) Substances 0.000 title claims description 15
- 229930195733 hydrocarbon Natural products 0.000 title claims description 15
- 150000002430 hydrocarbons Chemical class 0.000 title claims description 15
- 238000009835 boiling Methods 0.000 claims description 91
- 239000000463 material Substances 0.000 claims description 59
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 56
- 239000003054 catalyst Substances 0.000 claims description 51
- 239000010457 zeolite Substances 0.000 claims description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 38
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 38
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 37
- 239000001257 hydrogen Substances 0.000 claims description 37
- 229910052739 hydrogen Inorganic materials 0.000 claims description 37
- 229910021536 Zeolite Inorganic materials 0.000 claims description 35
- 229910052697 platinum Inorganic materials 0.000 claims description 25
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 23
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 20
- 239000005864 Sulphur Substances 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 229910000510 noble metal Inorganic materials 0.000 claims description 18
- 229910052763 palladium Inorganic materials 0.000 claims description 16
- 239000003350 kerosene Substances 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 4
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 28
- 238000004517 catalytic hydrocracking Methods 0.000 description 17
- 238000002474 experimental method Methods 0.000 description 17
- 239000000203 mixture Substances 0.000 description 16
- 239000000306 component Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 238000011282 treatment Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000005470 impregnation Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000001354 calcination Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 101150003085 Pdcl gene Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 238000001833 catalytic reforming Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002940 palladium Chemical class 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000002311 subsequent effect Effects 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 229940045985 antineoplastic platinum compound Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 1
- 150000003058 platinum compounds Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- -1 silicon halides Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/44—Hydrogenation of the aromatic hydrocarbons
-
- 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
-
- 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
- C10G45/44—Hydrogenation of the aromatic hydrocarbons
- C10G45/46—Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used
- C10G45/54—Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/16—After treatment, characterised by the effect to be obtained to increase the Si/Al ratio; Dealumination
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8711591A FR2619390A1 (fr) | 1987-08-14 | 1987-08-14 | Procede d'hydrogenation d'huiles hydrocarbonees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH27017A true PH27017A (en) | 1993-02-01 |
Family
ID=9354212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH37386A PH27017A (en) | 1987-08-14 | 1988-08-10 | Process for the hydrogenation of hydrocarbon oils |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4960505A (fr) |
| EP (1) | EP0303332B1 (fr) |
| JP (1) | JP2881692B2 (fr) |
| KR (1) | KR970001186B1 (fr) |
| AR (1) | AR240742A1 (fr) |
| AU (1) | AU602115B2 (fr) |
| BR (1) | BR8804053A (fr) |
| CA (1) | CA1311435C (fr) |
| DE (1) | DE3865580D1 (fr) |
| ES (1) | ES2025279B3 (fr) |
| FR (1) | FR2619390A1 (fr) |
| MX (1) | MX170167B (fr) |
| PH (1) | PH27017A (fr) |
| SG (1) | SG95992G (fr) |
| ZA (1) | ZA885921B (fr) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0432132B1 (fr) * | 1988-03-28 | 1993-12-08 | Tosoh Corporation | Procédé pour la préparation de mono- et de diisopropylnaphtalènes |
| GB8926555D0 (en) * | 1989-11-24 | 1990-01-17 | Shell Int Research | Process for upgrading a sulphur-containing feedstock |
| 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 |
| US5276234A (en) * | 1990-09-13 | 1994-01-04 | Kawasaki Steel Corporation | Process for producing 2-methylnaphthalene |
| US5141909A (en) * | 1991-01-22 | 1992-08-25 | Chevron Research And Technology Company | Zeolitic catalyst having selectivity for jet fuel |
| US5098555A (en) * | 1991-01-24 | 1992-03-24 | Mobil Oil Corp. | Use of SZM-57 in catalytic cracking for gasoline octane improvement and co-production of light olefins |
| US5183790A (en) * | 1991-01-24 | 1993-02-02 | Mobil Oil Corp. | Use of ZSM-57 in catalytic cracking for gasoline octane improvement and co-production of light olefins |
| DK0519573T3 (da) * | 1991-06-21 | 1995-07-03 | Shell Int Research | Hydrogenerings-katalysator og fremgangsmåde |
| DE69322260T2 (de) * | 1992-04-10 | 1999-04-22 | Chevron U.S.A. Inc., San Francisco, Calif. | Verfahren zur umwandlung von kohlenwasserstoffen |
| US5364514A (en) * | 1992-04-14 | 1994-11-15 | Shell Oil Company | Hydrocarbon conversion process |
| US5342507A (en) * | 1992-06-11 | 1994-08-30 | Texaco Inc. | Mild hydrocracking process employing catalysts containing dealuminated y-zeolites |
| US5308472A (en) * | 1992-06-11 | 1994-05-03 | Texaco Inc. | Mild hydrocracking process using catalysts containing dealuminated y-zeolites |
| AU7953494A (en) * | 1993-10-26 | 1995-05-22 | Mobil Oil Corporation | Catalyst and process for producing low-aromatics distillates |
| US5534135A (en) * | 1994-03-07 | 1996-07-09 | Abb Lummus Global Inc. | Synthesis of zeolites |
| JPH09512043A (ja) * | 1994-04-14 | 1997-12-02 | モービル・オイル・コーポレイション | 留出油フラクションのセタン価向上方法 |
| EP0728833A1 (fr) * | 1995-02-24 | 1996-08-28 | Haldor Topsoe A/S | Procédé de préparation de carburant de turbine d'aviation |
| US6190533B1 (en) | 1996-08-15 | 2001-02-20 | Exxon Chemical Patents Inc. | Integrated hydrotreating steam cracking process for the production of olefins |
| US6210561B1 (en) | 1996-08-15 | 2001-04-03 | Exxon Chemical Patents Inc. | Steam cracking of hydrotreated and hydrogenated hydrocarbon feeds |
| US6444865B1 (en) | 1997-12-01 | 2002-09-03 | Shell Oil Company | Process wherein a hydrocarbon feedstock is contacted with a catalyst |
| US6500329B2 (en) | 1998-12-30 | 2002-12-31 | Exxonmobil Research And Engineering Company | Selective ring opening process for producing diesel fuel with increased cetane number |
| US6210563B1 (en) * | 1998-12-30 | 2001-04-03 | Mobil Oil Corporation | Process for producing diesel fuel with increased cetane number |
| US6241876B1 (en) * | 1998-12-30 | 2001-06-05 | Mobil Oil Corporation | Selective ring opening process for producing diesel fuel with increased cetane number |
| US20060260983A1 (en) * | 2003-03-07 | 2006-11-23 | Hideshi Iki | Method of hydrotreating gas oil fraction |
| US20060211900A1 (en) * | 2003-03-07 | 2006-09-21 | Hideshi Iki | Method of hydrotreating gas oil fraction |
| US11001765B2 (en) | 2016-02-25 | 2021-05-11 | Sabic Global Technologies B.V. | Process for combined hydrodesulfurization and hydrocracking of heavy hydrocarbons |
| CN108699449A (zh) * | 2016-03-01 | 2018-10-23 | 沙特基础工业全球技术有限公司 | 用于由包含多环芳烃的烃进料生产单环芳烃的方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1173469A (en) | 1967-03-23 | 1969-12-10 | British Petroleum Co | Improvements relating to the Hydrogenation of Aromatics |
| US3655551A (en) | 1970-06-01 | 1972-04-11 | Union Oil Co | Hydrocracking-hydrogenation process |
| US3779899A (en) * | 1971-05-03 | 1973-12-18 | D Mears | Hydrogenation of aromatic hydrocarbons |
| JPS5742675B2 (fr) * | 1973-03-15 | 1982-09-09 | ||
| US3943053A (en) * | 1974-10-04 | 1976-03-09 | Ashland Oil, Inc. | Selective hydrogenation of aromatics and olefins in hydrocarbon fractions |
| CA1131195A (fr) * | 1978-02-23 | 1982-09-07 | David E. Earls | Zeolithe y ultrahydrophobique |
| US4377468A (en) * | 1979-01-22 | 1983-03-22 | Mobil Oil Corporation | Sulfur- and nitrogen-containing hydrocarbon feed hydrocracking over ZSM-20 |
| US4401556A (en) * | 1979-11-13 | 1983-08-30 | Union Carbide Corporation | Midbarrel hydrocracking |
| CA1149307A (fr) * | 1979-11-13 | 1983-07-05 | Union Carbide Corporation | Hydrocraquage pour distillat moyen |
| US4292166A (en) * | 1980-07-07 | 1981-09-29 | Mobil Oil Corporation | Catalytic process for manufacture of lubricating oils |
| US4429053A (en) * | 1981-12-04 | 1984-01-31 | Union Oil Company Of California | Rare earth-containing Y zeolite compositions |
| US4565621A (en) * | 1981-12-04 | 1986-01-21 | Union Oil Company Of California | Hydrocracking with rare earth-containing Y zeolite compositions |
| NZ204090A (en) * | 1982-05-18 | 1986-02-21 | Mobil Oil Corp | Hydrocracking catalyst containing large pore zeolite,which exhibits improved distillate selectivity |
| US4565137A (en) * | 1983-08-08 | 1986-01-21 | Aqua-Chem, Inc. | Bio-mass suspension burner |
| US4547285A (en) * | 1983-10-24 | 1985-10-15 | Union Oil Company Of California | Hydrotreating process wherein sulfur is added to the feedstock to maintain the catalyst in sulfided form |
| FR2561946B1 (fr) * | 1984-03-30 | 1986-10-03 | Pro Catalyse | Nouveau catalyseur d'hydrocraquage destine a la production de distillats moyens |
| US4610779A (en) * | 1984-10-05 | 1986-09-09 | Exxon Research And Engineering Co. | Process for the hydrogenation of aromatic hydrocarbons |
| US4568655A (en) * | 1984-10-29 | 1986-02-04 | Mobil Oil Corporation | Catalyst composition comprising Zeolite Beta |
-
1987
- 1987-08-14 FR FR8711591A patent/FR2619390A1/fr active Pending
-
1988
- 1988-08-10 CA CA000574270A patent/CA1311435C/fr not_active Expired - Fee Related
- 1988-08-10 PH PH37386A patent/PH27017A/en unknown
- 1988-08-11 DE DE8888201725T patent/DE3865580D1/de not_active Expired - Fee Related
- 1988-08-11 MX MX012646A patent/MX170167B/es unknown
- 1988-08-11 KR KR1019880010323A patent/KR970001186B1/ko not_active IP Right Cessation
- 1988-08-11 JP JP63199062A patent/JP2881692B2/ja not_active Expired - Lifetime
- 1988-08-11 AU AU20961/88A patent/AU602115B2/en not_active Ceased
- 1988-08-11 BR BR8804053A patent/BR8804053A/pt not_active IP Right Cessation
- 1988-08-11 ES ES88201725T patent/ES2025279B3/es not_active Expired - Lifetime
- 1988-08-11 ZA ZA885921A patent/ZA885921B/xx unknown
- 1988-08-11 AR AR31163888A patent/AR240742A1/es active
- 1988-08-11 EP EP88201725A patent/EP0303332B1/fr not_active Expired - Lifetime
- 1988-08-12 US US07/231,282 patent/US4960505A/en not_active Expired - Lifetime
-
1992
- 1992-09-24 SG SG959/92A patent/SG95992G/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MX170167B (es) | 1993-08-10 |
| AU602115B2 (en) | 1990-09-27 |
| KR890003929A (ko) | 1989-04-18 |
| US4960505A (en) | 1990-10-02 |
| JPS6466292A (en) | 1989-03-13 |
| EP0303332B1 (fr) | 1991-10-16 |
| KR970001186B1 (ko) | 1997-01-29 |
| EP0303332A1 (fr) | 1989-02-15 |
| AR240742A1 (es) | 1990-10-31 |
| CA1311435C (fr) | 1992-12-15 |
| BR8804053A (pt) | 1990-03-20 |
| ES2025279B3 (es) | 1992-03-16 |
| SG95992G (en) | 1992-12-04 |
| JP2881692B2 (ja) | 1999-04-12 |
| AU2096188A (en) | 1989-02-16 |
| DE3865580D1 (de) | 1991-11-21 |
| ZA885921B (en) | 1989-04-26 |
| FR2619390A1 (fr) | 1989-02-17 |
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