CA2154155A1 - Treatment of waste petroleum - Google Patents
Treatment of waste petroleumInfo
- Publication number
- CA2154155A1 CA2154155A1 CA002154155A CA2154155A CA2154155A1 CA 2154155 A1 CA2154155 A1 CA 2154155A1 CA 002154155 A CA002154155 A CA 002154155A CA 2154155 A CA2154155 A CA 2154155A CA 2154155 A1 CA2154155 A1 CA 2154155A1
- Authority
- CA
- Canada
- Prior art keywords
- petroleum
- solids
- solvent
- water
- waste
- 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.)
- Abandoned
Links
- 239000003208 petroleum Substances 0.000 title claims abstract description 207
- 239000002699 waste material Substances 0.000 title claims abstract description 68
- 238000011282 treatment Methods 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 105
- 239000002904 solvent Substances 0.000 claims abstract description 81
- 239000002245 particle Substances 0.000 claims abstract description 33
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000005119 centrifugation Methods 0.000 claims abstract description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 4
- 239000000356 contaminant Substances 0.000 claims abstract 5
- 238000000034 method Methods 0.000 claims description 74
- 230000008569 process Effects 0.000 claims description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 229910001868 water Inorganic materials 0.000 claims description 54
- 238000000926 separation method Methods 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 16
- 239000013535 sea water Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 2
- 238000010908 decantation Methods 0.000 claims 4
- 238000004821 distillation Methods 0.000 claims 2
- 238000004945 emulsification Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 5
- 239000010802 sludge Substances 0.000 description 38
- 239000003921 oil Substances 0.000 description 16
- 239000000306 component Substances 0.000 description 13
- 239000000047 product Substances 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- -1 for example Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 239000010426 asphalt Substances 0.000 description 5
- 239000003350 kerosene Substances 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 244000228957 Ferula foetida Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- GRYSXUXXBDSYRT-WOUKDFQISA-N (2r,3r,4r,5r)-2-(hydroxymethyl)-4-methoxy-5-[6-(methylamino)purin-9-yl]oxolan-3-ol Chemical compound C1=NC=2C(NC)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OC GRYSXUXXBDSYRT-WOUKDFQISA-N 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 101150092843 SEC1 gene Proteins 0.000 description 1
- 101100361282 Schizosaccharomyces pombe (strain 972 / ATCC 24843) rpm1 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005493 condensed matter Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- GLWWLNJJJCTFMZ-UHFFFAOYSA-N cyclanilide Chemical compound C=1C=C(Cl)C=C(Cl)C=1NC(=O)C1(C(=O)O)CC1 GLWWLNJJJCTFMZ-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 101150085091 lat-2 gene Proteins 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000010891 toxic waste Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000003643 water by type 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
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
-
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
-
- 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
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/02—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents with two or more solvents, which are introduced or withdrawn separately
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)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9300969A GB2274850A (en) | 1993-01-19 | 1993-01-19 | Treatment of waste petroleum |
| GB9300969.4 | 1993-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2154155A1 true CA2154155A1 (en) | 1994-08-04 |
Family
ID=10728931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002154155A Abandoned CA2154155A1 (en) | 1993-01-19 | 1994-01-19 | Treatment of waste petroleum |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US5853563A (enExample) |
| EP (1) | EP0680505B1 (enExample) |
| JP (1) | JPH08508759A (enExample) |
| KR (1) | KR100283362B1 (enExample) |
| CN (1) | CN1095088A (enExample) |
| AU (1) | AU684066B2 (enExample) |
| CA (1) | CA2154155A1 (enExample) |
| DE (1) | DE69405711T2 (enExample) |
| DK (1) | DK0680505T3 (enExample) |
| FI (1) | FI953483A7 (enExample) |
| GB (1) | GB2274850A (enExample) |
| IL (1) | IL108375A0 (enExample) |
| NO (1) | NO952820L (enExample) |
| TW (1) | TW301667B (enExample) |
| WO (1) | WO1994017155A1 (enExample) |
| ZA (1) | ZA94338B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0171501B1 (ko) * | 1996-08-28 | 1999-03-20 | 이성래 | 폐유 재생 장치 및 방법 |
| GB0121353D0 (en) * | 2001-09-04 | 2001-10-24 | Rig Technology Ltd | Improvements in or relating to transport of waste materials |
| US7087140B1 (en) * | 2001-09-10 | 2006-08-08 | Menian Harry H | Carbonizing waste processing apparatus |
| US7976699B2 (en) | 2006-06-16 | 2011-07-12 | Kesler Michael L | Distillation apparatus and method of use |
| US8404108B2 (en) | 2007-09-20 | 2013-03-26 | Green Source Energy Llc | Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials |
| US8101812B2 (en) | 2007-09-20 | 2012-01-24 | Green Source Energy Llc | Extraction of hydrocarbons from hydrocarbon-containing materials |
| US8272442B2 (en) | 2007-09-20 | 2012-09-25 | Green Source Energy Llc | In situ extraction of hydrocarbons from hydrocarbon-containing materials |
| US8613838B2 (en) * | 2009-07-31 | 2013-12-24 | Vertex Energy, Lp | System for making a usable hydrocarbon product from used oil |
| CA2689021C (en) | 2009-12-23 | 2015-03-03 | Thomas Charles Hann | Apparatus and method for regulating flow through a pumpbox |
| CA2757962C (en) * | 2011-11-08 | 2013-10-15 | Imperial Oil Resources Limited | Processing a hydrocarbon stream using supercritical water |
| US10131551B2 (en) | 2015-06-23 | 2018-11-20 | Conocophillips Company | Separation of kinetic hydrate inhibitors from an aqueous solution |
| KR101720869B1 (ko) | 2015-07-31 | 2017-03-29 | 김경태 | 코코피트를 이용한 액상 폐유 처리 방법 |
| JP2017066213A (ja) * | 2015-09-29 | 2017-04-06 | 株式会社日立製作所 | 原油回収装置 |
| CN112121522B (zh) * | 2020-09-21 | 2022-03-22 | 潢川县鹏升畜产品有限公司 | 一种用于肝素钠提取树脂的收集清洗装置 |
| EP4281519A1 (en) | 2021-01-19 | 2023-11-29 | Nayara Energy Limited | The novel process for reclamation of oil in water emulsion collected from crude oil de-salter brine water |
| CN112876036A (zh) * | 2021-02-23 | 2021-06-01 | 扬州阿鲁达环境科技有限公司 | 一种基于超声波的含油污泥处理系统及其工艺 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594314A (en) * | 1969-02-12 | 1971-07-20 | James R Bilhartz | Method of separating oil,water and solids by ultrasonic treatment |
| US3696021A (en) * | 1970-06-12 | 1972-10-03 | Texaco Inc | Continuous process for separating oily sludges |
| US3951779A (en) * | 1974-09-16 | 1976-04-20 | Great Canadian Oil Sands Limited | Improved hydroseparation process for aqueous extraction of bitumen from tar sands |
| US4054506A (en) * | 1976-04-28 | 1977-10-18 | Western Oil Sands Ltd. | Method of removing bitumen from tar sand utilizing ultrasonic energy and stirring |
| US4054505A (en) * | 1976-04-28 | 1977-10-18 | Western Oil Sands Ltd. | Method of removing bitumen from tar sand for subsequent recovery of the bitumen |
| US4342639A (en) * | 1980-07-22 | 1982-08-03 | Gagon Hugh W | Process to separate bituminous material from sand (Tar Sands) |
| FR2504934A1 (fr) * | 1981-04-30 | 1982-11-05 | Inst Francais Du Petrole | Procede ameliore de desasphaltage au solvant de fractions lourdes d'hydrocarbures |
| US4495057A (en) * | 1982-05-07 | 1985-01-22 | Bahram Amirijafari | Combination thermal and solvent extraction oil recovery process and apparatus |
| US4648964A (en) * | 1985-08-30 | 1987-03-10 | Resource Technology Associates | Separation of hydrocarbons from tar sands froth |
| US5186817A (en) * | 1986-09-12 | 1993-02-16 | The Standard Oil Company | Process for separating extractable organic material from compositions comprising oil-in-water emulsions comprising said extractable organic material and solids |
| US4981579A (en) * | 1986-09-12 | 1991-01-01 | The Standard Oil Company | Process for separating extractable organic material from compositions comprising said extractable organic material intermixed with solids and water |
| US4875998A (en) * | 1986-11-07 | 1989-10-24 | Solv-Ex Corporation | Hot water bitumen extraction process |
| US4968412A (en) * | 1989-01-17 | 1990-11-06 | Guymon E Park | Solvent and water/surfactant process for removal of bitumen from tar sands contaminated with clay |
| US4954267A (en) * | 1989-05-02 | 1990-09-04 | Uremovich Michael J | Hydrocarbon reclaimer system |
| US5156751A (en) * | 1991-03-29 | 1992-10-20 | Miller Neal J | Three stage centrifuge and method for separating water and solids from petroleum products |
-
1993
- 1993-01-19 GB GB9300969A patent/GB2274850A/en not_active Withdrawn
-
1994
- 1994-01-18 ZA ZA94338A patent/ZA94338B/xx unknown
- 1994-01-19 CA CA002154155A patent/CA2154155A1/en not_active Abandoned
- 1994-01-19 FI FI953483A patent/FI953483A7/fi unknown
- 1994-01-19 WO PCT/GB1994/000099 patent/WO1994017155A1/en not_active Ceased
- 1994-01-19 US US08/492,070 patent/US5853563A/en not_active Expired - Fee Related
- 1994-01-19 TW TW083100431A patent/TW301667B/zh active
- 1994-01-19 CN CN94102654A patent/CN1095088A/zh active Pending
- 1994-01-19 DK DK94904282.4T patent/DK0680505T3/da active
- 1994-01-19 DE DE69405711T patent/DE69405711T2/de not_active Expired - Fee Related
- 1994-01-19 IL IL10837594A patent/IL108375A0/xx unknown
- 1994-01-19 AU AU58410/94A patent/AU684066B2/en not_active Ceased
- 1994-01-19 JP JP6516787A patent/JPH08508759A/ja not_active Ceased
- 1994-01-19 KR KR1019950702960A patent/KR100283362B1/ko not_active Expired - Fee Related
- 1994-01-19 EP EP94904282A patent/EP0680505B1/en not_active Expired - Lifetime
-
1995
- 1995-07-17 NO NO952820A patent/NO952820L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0680505B1 (en) | 1997-09-17 |
| CN1095088A (zh) | 1994-11-16 |
| GB9300969D0 (en) | 1993-03-10 |
| ZA94338B (en) | 1994-09-15 |
| AU684066B2 (en) | 1997-12-04 |
| US5853563A (en) | 1998-12-29 |
| EP0680505A1 (en) | 1995-11-08 |
| NO952820D0 (no) | 1995-07-17 |
| IL108375A0 (en) | 1994-04-12 |
| DE69405711D1 (de) | 1997-10-23 |
| WO1994017155A1 (en) | 1994-08-04 |
| GB2274850A (en) | 1994-08-10 |
| NO952820L (no) | 1995-09-18 |
| AU5841094A (en) | 1994-08-15 |
| FI953483A7 (fi) | 1995-09-15 |
| DE69405711T2 (de) | 1998-04-30 |
| KR100283362B1 (ko) | 2001-05-02 |
| KR960700326A (ko) | 1996-01-19 |
| DK0680505T3 (da) | 1998-05-11 |
| TW301667B (enExample) | 1997-04-01 |
| FI953483A0 (fi) | 1995-07-18 |
| JPH08508759A (ja) | 1996-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |