DE3144266A1 - "verfahren zur herstellung von synthesegas" - Google Patents
"verfahren zur herstellung von synthesegas"Info
- Publication number
- DE3144266A1 DE3144266A1 DE19813144266 DE3144266A DE3144266A1 DE 3144266 A1 DE3144266 A1 DE 3144266A1 DE 19813144266 DE19813144266 DE 19813144266 DE 3144266 A DE3144266 A DE 3144266A DE 3144266 A1 DE3144266 A1 DE 3144266A1
- Authority
- DE
- Germany
- Prior art keywords
- water
- zone
- particles
- settling
- quenching
- 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.)
- Withdrawn
Links
- 230000015572 biosynthetic process Effects 0.000 title claims description 15
- 238000003786 synthesis reaction Methods 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 83
- 238000010791 quenching Methods 0.000 claims description 49
- 239000007789 gas Substances 0.000 claims description 47
- 239000002245 particle Substances 0.000 claims description 42
- 230000000171 quenching effect Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 25
- 239000000446 fuel Substances 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 239000013618 particulate matter Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000007787 solid Substances 0.000 description 20
- 239000002956 ash Substances 0.000 description 17
- 238000002309 gasification Methods 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 239000004449 solid propellant Substances 0.000 description 9
- 239000002893 slag Substances 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 1
- 239000011335 coal coke Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000003476 subbituminous coal Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/52—Ash-removing devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/52—Ash-removing devices
- C10J3/526—Ash-removing devices for entrained flow gasifiers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/78—High-pressure apparatus
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
- C10J3/845—Quench rings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/101—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids with water only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0943—Coke
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1846—Partial oxidation, i.e. injection of air or oxygen only
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20624080A | 1980-11-12 | 1980-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3144266A1 true DE3144266A1 (de) | 1982-07-08 |
Family
ID=22765538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813144266 Withdrawn DE3144266A1 (de) | 1980-11-12 | 1981-11-07 | "verfahren zur herstellung von synthesegas" |
Country Status (14)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008005704A1 (de) | 2008-01-24 | 2009-07-30 | Uhde Gmbh | Verfahren und Anlage zur Entfernung insbesondere bei der Synthesegas-Gewinnung anfallenden Schlacken aus einem Schlackebad-Behälter |
| WO2010006747A2 (de) | 2008-07-15 | 2010-01-21 | Uhde Gmbh | Vergasungsvorrichtung mit kontinuierlichem feststoffaustrag |
| WO2010006746A2 (de) | 2008-07-15 | 2010-01-21 | Uhde Gmbh | Vorrichtung zur schlackeabführung aus einem kohlevergasungsreaktor |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3230088A1 (de) * | 1982-08-13 | 1984-02-16 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren und vorrichtung zum ausschleusen von rueckstaenden aschehaltiger brennstoffe |
| US4581899A (en) * | 1984-07-09 | 1986-04-15 | Texaco Inc. | Synthesis gas generation with prevention of deposit formation in exit lines |
| US4732700A (en) * | 1986-10-27 | 1988-03-22 | Texaco Inc. | Partial oxidation of vanadium-containing heavy liquid hydrocarbonaceous and solid carbonaceous fuels |
| DE3714915A1 (de) * | 1987-05-05 | 1988-11-24 | Shell Int Research | Verfahren und vorrichtung fuer die herstellung von synthesegas |
| DE60031875T2 (de) * | 1999-09-21 | 2007-04-05 | Shell Internationale Research Maatschappij B.V. | Verfahren zur entfernung von festschlacken aus einem wässrigen gemisch |
| EP2703370A1 (en) * | 2012-09-03 | 2014-03-05 | Shell Internationale Research Maatschappij B.V. | Gasification process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB769829A (en) * | 1954-06-02 | 1957-03-13 | Foster Wheeler Ltd | Improvements in and relating to the production of synthesis gas |
| BE784237A (fr) * | 1972-05-31 | 1972-11-30 | Texaco Development Corp | Procede de traitement des eaux d'egout et immondices. |
| DE2455127C2 (de) * | 1974-11-21 | 1986-02-27 | Shell Internationale Research Maatschappij B.V., Den Haag | Verfahren zum Ausschleusen von Rückständen aus einem unter erhöhtem Druck stehenden Vergasungsraum |
| DE2828562C3 (de) * | 1978-06-29 | 1980-12-11 | Ruhrkohle Ag, 4300 Essen | Schlackenaustrag |
| DE2851533A1 (de) * | 1978-11-29 | 1980-06-12 | Ruhrkohle Ag | Kohlevergasungsanlage |
-
1981
- 1981-08-18 BR BR8105270A patent/BR8105270A/pt unknown
- 1981-09-11 GB GB8127689A patent/GB2086931B/en not_active Expired
- 1981-09-16 ZA ZA816443A patent/ZA816443B/xx unknown
- 1981-09-18 NZ NZ198407A patent/NZ198407A/xx unknown
- 1981-09-21 IN IN1050/CAL/81A patent/IN155417B/en unknown
- 1981-10-02 AU AU75980/81A patent/AU541194B2/en not_active Ceased
- 1981-10-15 NL NL8104691A patent/NL8104691A/nl not_active Application Discontinuation
- 1981-10-15 JP JP56163546A patent/JPS5851987B2/ja not_active Expired
- 1981-10-20 SE SE8106191A patent/SE451727B/sv not_active IP Right Cessation
- 1981-10-30 CA CA000389137A patent/CA1194696A/en not_active Expired
- 1981-11-07 DE DE19813144266 patent/DE3144266A1/de not_active Withdrawn
- 1981-11-09 IT IT24929/81A patent/IT1139691B/it active
- 1981-11-10 FR FR8121026A patent/FR2493861B1/fr not_active Expired
- 1981-11-12 BE BE0/206532A patent/BE891102A/fr not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008005704A1 (de) | 2008-01-24 | 2009-07-30 | Uhde Gmbh | Verfahren und Anlage zur Entfernung insbesondere bei der Synthesegas-Gewinnung anfallenden Schlacken aus einem Schlackebad-Behälter |
| US8414780B2 (en) | 2008-01-24 | 2013-04-09 | Thyssenkrupp Uhde Gmbh | Method and system for removing slag, particularly slag that occurs during synthesis gas extraction, from a slag bath container |
| WO2010006747A2 (de) | 2008-07-15 | 2010-01-21 | Uhde Gmbh | Vergasungsvorrichtung mit kontinuierlichem feststoffaustrag |
| WO2010006746A2 (de) | 2008-07-15 | 2010-01-21 | Uhde Gmbh | Vorrichtung zur schlackeabführung aus einem kohlevergasungsreaktor |
| DE102008033094A1 (de) | 2008-07-15 | 2010-01-28 | Uhde Gmbh | Vergasungsvorrichtung mit kontinuierlichem Feststoffaustrag |
| DE102008033095A1 (de) | 2008-07-15 | 2010-01-28 | Uhde Gmbh | Vorrichtung zur Schlackeabführung aus einem Kohlevergasungsreaktor |
| US8915980B2 (en) | 2008-07-15 | 2014-12-23 | Uhde Gmbh | Gasification apparatus with continuous solids discharge |
Also Published As
| Publication number | Publication date |
|---|---|
| AU541194B2 (en) | 1984-12-20 |
| CA1194696A (en) | 1985-10-08 |
| FR2493861B1 (fr) | 1986-01-24 |
| SE8106191L (sv) | 1982-05-13 |
| AU7598081A (en) | 1982-05-20 |
| BR8105270A (pt) | 1982-08-31 |
| JPS5851987B2 (ja) | 1983-11-19 |
| SE451727B (sv) | 1987-10-26 |
| NL8104691A (nl) | 1982-06-01 |
| IN155417B (enrdf_load_stackoverflow) | 1985-01-26 |
| JPS5796088A (en) | 1982-06-15 |
| ZA816443B (en) | 1983-01-26 |
| IT1139691B (it) | 1986-09-24 |
| FR2493861A1 (fr) | 1982-05-14 |
| BE891102A (fr) | 1982-05-12 |
| NZ198407A (en) | 1984-07-06 |
| GB2086931A (en) | 1982-05-19 |
| GB2086931B (en) | 1984-08-22 |
| IT8124929A0 (it) | 1981-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |