ZA883753B - Process for chemical stabilization of heavy metal bearing dusts and sludge,such as eaf dust - Google Patents
Process for chemical stabilization of heavy metal bearing dusts and sludge,such as eaf dustInfo
- Publication number
- ZA883753B ZA883753B ZA883753A ZA883753A ZA883753B ZA 883753 B ZA883753 B ZA 883753B ZA 883753 A ZA883753 A ZA 883753A ZA 883753 A ZA883753 A ZA 883753A ZA 883753 B ZA883753 B ZA 883753B
- Authority
- ZA
- South Africa
- Prior art keywords
- sludge
- heavy metal
- metal bearing
- chemical stabilization
- eaf dust
- Prior art date
Links
- 239000000428 dust Substances 0.000 title abstract 4
- 239000010802 sludge Substances 0.000 title abstract 3
- 229910001385 heavy metal Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000006641 stabilisation Effects 0.000 title 1
- 238000011105 stabilization Methods 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
- 239000000654 additive Substances 0.000 abstract 3
- 230000000996 additive effect Effects 0.000 abstract 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 2
- 235000012215 calcium aluminium silicate Nutrition 0.000 abstract 2
- 238000010891 electric arc Methods 0.000 abstract 2
- 229910001448 ferrous ion Inorganic materials 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 239000000404 calcium aluminium silicate Substances 0.000 abstract 1
- WNCYAPRTYDMSFP-UHFFFAOYSA-N calcium aluminosilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O WNCYAPRTYDMSFP-UHFFFAOYSA-N 0.000 abstract 1
- 229940078583 calcium aluminosilicate Drugs 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000002894 chemical waste Substances 0.000 abstract 1
- 235000003891 ferrous sulphate Nutrition 0.000 abstract 1
- 239000011790 ferrous sulphate Substances 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0427—Dry materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
- C04B2111/00784—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes for disposal only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S106/00—Compositions: coating or plastic
- Y10S106/01—Fly ash
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Gasification And Melting Of Waste (AREA)
- Catching Or Destruction (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Fire-Extinguishing Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Prostheses (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6360587A | 1987-06-18 | 1987-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA883753B true ZA883753B (en) | 1989-03-29 |
Family
ID=22050312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA883753A ZA883753B (en) | 1987-06-18 | 1988-05-26 | Process for chemical stabilization of heavy metal bearing dusts and sludge,such as eaf dust |
Country Status (20)
Country | Link |
---|---|
US (1) | US4911757A (fi) |
EP (1) | EP0363429B1 (fi) |
JP (1) | JPH03500502A (fi) |
AT (1) | ATE85907T1 (fi) |
AU (1) | AU615458B2 (fi) |
BG (1) | BG60266B2 (fi) |
CA (1) | CA1297502C (fi) |
DE (1) | DE3878691T2 (fi) |
DK (1) | DK172051B1 (fi) |
ES (1) | ES2006985A6 (fi) |
FI (1) | FI100093B (fi) |
GR (1) | GR1001977B (fi) |
HU (1) | HU206300B (fi) |
IN (1) | IN169600B (fi) |
MX (1) | MX168796B (fi) |
NO (1) | NO300095B1 (fi) |
RO (1) | RO105948B1 (fi) |
RU (1) | RU2046112C1 (fi) |
WO (1) | WO1988010243A1 (fi) |
ZA (1) | ZA883753B (fi) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5259697A (en) * | 1987-06-18 | 1993-11-09 | Bethlehem Steel Corporation | Composition and process for forming low permeability barriers for waste disposal sites |
HU207191B (en) * | 1988-04-20 | 1993-03-01 | Energiagazdalkodasi Intezet | Process for embedding dangerous wastes of high heavy metal content and comprising high mobility, water-soluble alkali ions as accompanying substance |
CH681810A5 (fi) * | 1990-10-22 | 1993-05-28 | Von Roll Ag | |
JP3038679B2 (ja) * | 1990-09-12 | 2000-05-08 | 横浜市 | 陶磁器質タイル |
US5211750A (en) * | 1991-06-19 | 1993-05-18 | Conversion Systems, Inc. | Synthetic aggregate and landfill method |
US5186742A (en) * | 1991-11-27 | 1993-02-16 | Chemical Lime Company | Method and composition for use in recycling metal containing furnace dust |
US5278111A (en) * | 1992-04-10 | 1994-01-11 | Frame Scott W | Electric arc furnace dust as raw material for brick |
CH686671A5 (de) * | 1992-06-05 | 1996-05-31 | Von Roll Umwelttechnik Ag | Verfahren zum Entsorgen von Rauchgasrueckstaenden. |
US5304703A (en) * | 1992-07-27 | 1994-04-19 | Cal-Sine Environmental, Inc. | Process for disposal of volatile hazardous wastes |
US5245122A (en) * | 1992-08-26 | 1993-09-14 | Conversion Systems, Inc. | Method and mixture for treating electric arc furnace dust |
US5350549A (en) * | 1993-04-15 | 1994-09-27 | Valley Forge Laboratories, Inc. | Synthetic aggregate compositions derived from spent bed materials from fluidized bed combustion and fly ash |
US5435835A (en) * | 1994-01-06 | 1995-07-25 | Bethlehem Steel Corporation | Method and system for removing and/or causing recycling of materials |
US5658097A (en) * | 1995-12-14 | 1997-08-19 | Fe Lime Industry Corporation | Soil or ground quality stabilizer and treatment method |
US5557031A (en) * | 1994-10-06 | 1996-09-17 | Al-Sugair; Faisal H. | Use of electric arc furnace by-products in concrete |
US5690448A (en) * | 1994-10-21 | 1997-11-25 | E. I. Du Pont De Nemours And Company | Landfill closure system |
CA2137090A1 (en) * | 1994-12-01 | 1996-06-02 | Jay Aota | Eaf dust treatment |
AT403481B (de) * | 1995-01-24 | 1998-02-25 | Voest Alpine Ind Anlagen | Verfahren zum verwerten von beim reduzieren von eisenerz anfallenden stäuben |
UA41437C2 (uk) | 1995-01-24 | 2001-09-17 | Фоест-Альпіне Індустріанлагенбау Гмбх | Спосіб утилізації пилу, що створюється при відновленні залізної руди, і установка для його здійснення |
DE69516701T2 (de) * | 1995-12-19 | 2000-11-23 | Saudi Basic Industries Corp. (Sabic), Riyadh | Verwendung von Lichtbogenofenabgasen in Zement |
TW393448B (en) * | 1996-02-28 | 2000-06-11 | Solvay | Process for rendering ash inert |
KR970026982A (ko) * | 1996-07-26 | 1997-06-24 | 김회수 | 적벽돌 및 그 제조방법 |
US5853474A (en) * | 1997-06-02 | 1998-12-29 | Conversion Systems, Inc. | Use of stabilized EAFD as a raw material in the production of a portland cement clinker |
US6053857A (en) * | 1998-05-15 | 2000-04-25 | Conversion Systems, Inc. | Immobilization of thallium during electric arc furnace dust treatment |
US6409819B1 (en) * | 1998-06-30 | 2002-06-25 | International Mineral Technology Ag | Alkali activated supersulphated binder |
US6451083B1 (en) | 2000-06-09 | 2002-09-17 | Robert Kevin Twilley | Hardened particle comprising a reaction product of metal baghouse dust |
US20050268656A1 (en) * | 2001-01-08 | 2005-12-08 | Alexander Raichel | Poly-crystalline compositions |
US6679823B2 (en) | 2001-05-04 | 2004-01-20 | Envirosafe Services Of Ohio, Inc. | Treatment of electric arc furnace dust to resist acid and alkaline leaching of heavy metals |
US6682586B2 (en) | 2001-10-09 | 2004-01-27 | Heritage Environmental Services, Llc. | Assemblies and methods for processing zinc-bearing materials |
US20060070406A1 (en) * | 2004-09-28 | 2006-04-06 | Orgyr Technologies Ltd. | Use of coal ash for the safe disposal of mineral waste |
WO2007144875A1 (en) * | 2006-06-13 | 2007-12-21 | D&D Salomon Investment Ltd. | Glass-ceramic materials having a predominant spinel-group crystal phase |
US8540816B2 (en) * | 2006-08-10 | 2013-09-24 | Sachtleben Chemie Gmbh | Aggregate and filler extracted from slag |
US8075666B2 (en) | 2007-05-03 | 2011-12-13 | Cbl Industrial Services, Inc. | Process for treating particulate material containing heavy metal and an additive for use in such process |
WO2008137647A1 (en) * | 2007-05-03 | 2008-11-13 | Cbl Industrial Services, Inc. | Process for treating particulate material containing heavy metal and an additive for use in such process |
EP2440303A4 (en) * | 2009-06-11 | 2013-09-04 | Sweetwater Environmental Solutions Llc | METHOD FOR THE ADVANCED PREPARATION OF CONTAMINATED WASTE WATERS, FLOORS AND OTHER WASTE TYPES |
ES2356976B1 (es) * | 2009-10-01 | 2012-02-27 | Calcinor, S.A. | Procedimiento para utilización de escorias negras producidas en horno de arco eléctrico, producto obtenido y uso de dicho producto. |
DK2516348T3 (en) * | 2009-12-22 | 2017-09-11 | Newsouth Innovations Pty Ltd | TREATMENT OF AIR BASKET AND MANUFACTURE OF GOODS CONTAINING AIR BASKET COMPOSITIONS |
CN102358704B (zh) * | 2011-07-21 | 2013-06-12 | 沈阳航空航天大学 | 一种利用高铬污染土壤烧结制取陶粒的方法 |
CA2874325A1 (en) * | 2012-05-22 | 2013-11-28 | Fmc Wyoming Corporation | Fly ash and fly ash leachate treatment |
EP2900620A2 (en) * | 2012-11-01 | 2015-08-05 | Saudi Basic Industries Corporation | Use of a cement accelerator and electric arc furnace dust in cement |
CA2959976A1 (en) | 2016-03-08 | 2017-09-08 | Ron Froh | Waste disposal closure system |
CN106904654B (zh) * | 2017-03-07 | 2019-04-02 | 张家港江苏科技大学产业技术研究院 | 电弧炉粉尘联产铬盐及电极材料的方法 |
RU2699196C1 (ru) * | 2018-11-28 | 2019-09-03 | Федеральное государственное бюджетное научное учреждение "Всероссийский научно-исследовательский институт гидротехники и мелиорации имени А.Н. Костякова" (ФГБНУ "ВНИИГиМ им. А.Н. Костякова") | Способ переработки твёрдых коммунальных отходов |
CN109851299A (zh) * | 2019-03-18 | 2019-06-07 | 北京国旺混凝土有限公司 | 一种抗渗高强的混凝土及其制备方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US29783A (en) * | 1860-08-28 | Improvement in presses | ||
FR1046030A (fr) * | 1951-11-30 | 1953-12-02 | Forges & Acieries Dilling Sa | Agglomérés à base de laitier de hauts-fourneaux |
US3341341A (en) * | 1965-03-04 | 1967-09-12 | Corson G & W H | Lightweight aggregate |
US3634115A (en) * | 1968-12-03 | 1972-01-11 | Corson G & W H | Sulfopozzolanically active fly ash and composition |
GB1303430A (fi) * | 1969-06-12 | 1973-01-17 | ||
US3579443A (en) * | 1969-07-31 | 1971-05-18 | Russell J Horst | Formation of dense precipitates |
US3852084A (en) * | 1970-03-30 | 1974-12-03 | C Smith | Cementitious composition containing activated lime-fly ash mixture |
USRE29783E (en) * | 1970-04-17 | 1978-09-26 | Iu Technology Corporation | Process for treating aqueous chemical waste sludges and compositions produced thereby |
US3720609A (en) * | 1970-04-17 | 1973-03-13 | G & W Corson Inc | Process for treating aqueous chemical waste sludges and composition produced thereby |
US3960723A (en) * | 1972-12-26 | 1976-06-01 | Ford Motor Company | Magnetization of iron chromium system |
US4116705A (en) * | 1973-06-01 | 1978-09-26 | Stablex Ag | Detoxification |
AU475033B2 (en) * | 1973-11-16 | 1975-05-22 | I U Conversion Systems, Inc | Structural materials and methods of making structural materials based on lime-fly ash-sulfite compositions |
US4226630A (en) * | 1979-04-03 | 1980-10-07 | Amax Resource Recovery Systems, Inc. | Leach-resistant solid bodies from fly ash and heavy metal sludge |
WO1982000998A1 (en) * | 1980-09-19 | 1982-04-01 | Bye G | Method of processing waste materials |
US4434060A (en) * | 1980-11-25 | 1984-02-28 | General Electric Company | Removal of heavy metals content |
IT1181805B (it) * | 1983-05-13 | 1987-09-30 | Seitz Enzinger Noll Masch | Procedimento per la rigenerazione di liscivie contenenti soda caustica e potassa caustica,inpiegate per il lavaggio di contenitori,in particolare bottiglie |
US4518508A (en) * | 1983-06-30 | 1985-05-21 | Solidtek Systems, Inc. | Method for treating wastes by solidification |
SE452307B (sv) * | 1983-09-12 | 1987-11-23 | Boliden Ab | Forfarande for rening av fororenade vattenlosningar innehallande arsenik och/eller fosfor |
US4668124A (en) * | 1985-04-22 | 1987-05-26 | Engelhard Corporation | Disposal of material containing vanadium as landfill |
-
1988
- 1988-05-26 ZA ZA883753A patent/ZA883753B/xx unknown
- 1988-06-03 IN IN459/CAL/88A patent/IN169600B/en unknown
- 1988-06-09 DE DE8888906314T patent/DE3878691T2/de not_active Expired - Fee Related
- 1988-06-09 EP EP19880906314 patent/EP0363429B1/en not_active Expired - Lifetime
- 1988-06-09 AT AT88906314T patent/ATE85907T1/de not_active IP Right Cessation
- 1988-06-09 WO PCT/US1988/001879 patent/WO1988010243A1/en active IP Right Grant
- 1988-06-09 JP JP63505771A patent/JPH03500502A/ja active Pending
- 1988-06-09 RO RO143356A patent/RO105948B1/ro unknown
- 1988-06-09 HU HU884174A patent/HU206300B/hu not_active IP Right Cessation
- 1988-06-09 RU SU884742838A patent/RU2046112C1/ru not_active IP Right Cessation
- 1988-06-09 AU AU19929/88A patent/AU615458B2/en not_active Ceased
- 1988-06-15 MX MX1190488A patent/MX168796B/es unknown
- 1988-06-17 GR GR880100386A patent/GR1001977B/el unknown
- 1988-06-17 CA CA 569828 patent/CA1297502C/en not_active Expired - Lifetime
- 1988-06-17 ES ES8801902A patent/ES2006985A6/es not_active Expired
-
1989
- 1989-05-09 US US07/349,006 patent/US4911757A/en not_active Expired - Lifetime
- 1989-12-14 NO NO895024A patent/NO300095B1/no not_active IP Right Cessation
- 1989-12-15 DK DK637989A patent/DK172051B1/da not_active IP Right Cessation
- 1989-12-15 BG BG9066089A patent/BG60266B2/xx unknown
- 1989-12-15 FI FI896036A patent/FI100093B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BG60266B1 (bg) | 1994-03-31 |
DK637989A (da) | 1989-12-15 |
AU615458B2 (en) | 1991-10-03 |
DK637989D0 (da) | 1989-12-15 |
MX168796B (es) | 1993-06-08 |
RU2046112C1 (ru) | 1995-10-20 |
DK172051B1 (da) | 1997-09-29 |
ES2006985A6 (es) | 1989-05-16 |
AU1992988A (en) | 1989-01-19 |
JPH03500502A (ja) | 1991-02-07 |
GR1001977B (en) | 1995-10-09 |
NO895024D0 (no) | 1989-12-14 |
EP0363429A4 (en) | 1990-11-29 |
ATE85907T1 (de) | 1993-03-15 |
EP0363429B1 (en) | 1993-02-24 |
RO105948B1 (ro) | 1993-01-30 |
US4911757A (en) | 1990-03-27 |
BG60266B2 (en) | 1994-03-31 |
FI100093B (fi) | 1997-09-30 |
CA1297502C (en) | 1992-03-17 |
NO300095B1 (no) | 1997-04-07 |
DE3878691T2 (de) | 1993-06-09 |
IN169600B (fi) | 1991-11-16 |
WO1988010243A1 (en) | 1988-12-29 |
FI896036A0 (fi) | 1989-12-15 |
DE3878691D1 (de) | 1993-04-01 |
HU206300B (en) | 1992-10-28 |
NO895024L (no) | 1989-12-14 |
GR880100386A (el) | 1989-03-08 |
HUT52743A (en) | 1990-08-28 |
EP0363429A1 (en) | 1990-04-18 |
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