NO880762L - Anvendelse av sitronsyre-partialestere og deres blandinger til jernekstrahering. - Google Patents
Anvendelse av sitronsyre-partialestere og deres blandinger til jernekstrahering.Info
- Publication number
- NO880762L NO880762L NO880762A NO880762A NO880762L NO 880762 L NO880762 L NO 880762L NO 880762 A NO880762 A NO 880762A NO 880762 A NO880762 A NO 880762A NO 880762 L NO880762 L NO 880762L
- Authority
- NO
- Norway
- Prior art keywords
- citric acid
- partial esters
- mixtures
- acid partial
- general formula
- Prior art date
Links
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title claims abstract description 177
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 238000000605 extraction Methods 0.000 title claims abstract description 61
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 61
- 239000000203 mixture Substances 0.000 title claims abstract description 41
- 150000002148 esters Chemical class 0.000 claims abstract description 69
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 claims abstract description 17
- 239000001257 hydrogen Substances 0.000 claims abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 20
- -1 2 -ethylhexyl Chemical group 0.000 claims description 15
- 125000000217 alkyl group Chemical group 0.000 claims description 15
- 125000004429 atom Chemical group 0.000 claims description 11
- 230000002378 acidificating effect Effects 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 239000008151 electrolyte solution Substances 0.000 claims description 6
- 229940021013 electrolyte solution Drugs 0.000 claims description 6
- 229910052793 cadmium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 abstract 1
- 239000011701 zinc Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 25
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 18
- 239000012074 organic phase Substances 0.000 description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 13
- 239000008346 aqueous phase Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000012071 phase Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 238000005191 phase separation Methods 0.000 description 5
- 239000010949 copper Substances 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 229910052595 hematite Inorganic materials 0.000 description 4
- 239000011019 hematite Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OAOABCKPVCUNKO-UHFFFAOYSA-N 8-methyl Nonanoic acid Chemical compound CC(C)CCCCCCC(O)=O OAOABCKPVCUNKO-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011877 solvent mixture Substances 0.000 description 2
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000000184 acid digestion Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 125000001309 chloro group Chemical class Cl* 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009852 extractive metallurgy Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 229910052935 jarosite Inorganic materials 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001196 nonadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003791 organic solvent mixture Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229940087291 tridecyl alcohol Drugs 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 0.000 description 1
- 230000004572 zinc-binding Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0009—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/32—Carboxylic acids
- C22B3/326—Ramified chain carboxylic acids or derivatives thereof, e.g. "versatic" acids
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Steroid Compounds (AREA)
- Compounds Of Iron (AREA)
- Seasonings (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873705721 DE3705721A1 (de) | 1987-02-23 | 1987-02-23 | Verwendung von citronensaeure-partialestern und deren mischungen zur eisenextraktion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO880762D0 NO880762D0 (no) | 1988-02-22 |
| NO880762L true NO880762L (no) | 1988-08-24 |
Family
ID=6321557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO880762A NO880762L (no) | 1987-02-23 | 1988-02-22 | Anvendelse av sitronsyre-partialestere og deres blandinger til jernekstrahering. |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4820417A (es) |
| EP (1) | EP0280144B1 (es) |
| JP (1) | JP2625140B2 (es) |
| AT (1) | ATE70201T1 (es) |
| AU (1) | AU596275B2 (es) |
| BR (1) | BR8800713A (es) |
| CA (1) | CA1311619C (es) |
| DE (2) | DE3705721A1 (es) |
| ES (1) | ES2028145T3 (es) |
| FI (1) | FI84138C (es) |
| MX (1) | MX163990B (es) |
| NO (1) | NO880762L (es) |
| PL (1) | PL270798A1 (es) |
| PT (1) | PT86797B (es) |
| RO (1) | RO100633A2 (es) |
| YU (1) | YU32288A (es) |
| ZA (1) | ZA881225B (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605289A1 (de) * | 1996-02-13 | 1997-08-14 | Lehmann Riekert Achim | Herstellung von Kupfer aus gereinigten Erzkonzentraten |
| US6210078B1 (en) | 1999-06-02 | 2001-04-03 | Southern Company Services | Methods for the in situ removal of a contaminant from soil |
| EA201691798A1 (ru) | 2014-03-07 | 2017-04-28 | Басф Се | Способы и системы для контроля концентрации металлических примесей во время металлургических процессов |
| US10208389B2 (en) | 2015-08-26 | 2019-02-19 | Basf Se | Methods and systems for reducing impurity metal from a refinery electrolyte solution |
| JP7220904B2 (ja) * | 2018-03-07 | 2023-02-13 | 国立研究開発法人量子科学技術研究開発機構 | グルカミン誘導体、グルカミン誘導体からなる金属吸着剤、グルカミン誘導体からなる金属吸着剤を備える金属抽出装置、金属抽出キット |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL174019C (nl) * | 1973-01-31 | 1984-04-16 | Shell Int Research | Werkwijze voor de extractie van ferriverbindingen uit een waterige oplossing. |
| CA1098719A (en) * | 1977-07-06 | 1981-04-07 | Andrew J. Oliver | Solvent extraction of non-ferrous metals from iron- containing solutions |
| US4190463A (en) * | 1979-02-05 | 1980-02-26 | Nalco Chemical Company | Method of removing iron oxide deposits from heat transfer surfaces |
| US4280897A (en) * | 1980-05-27 | 1981-07-28 | Uop Inc. | Removal of contaminating metals from FCC catalyst by NH4 citrate chelates |
| JPS5871344A (ja) * | 1981-10-22 | 1983-04-28 | Asaka Riken Kogyo Kk | 金の精製法 |
| AU9142982A (en) * | 1982-03-25 | 1983-09-29 | Solex Research Corp. Of Japan | Solvent extraction process |
-
1987
- 1987-02-23 DE DE19873705721 patent/DE3705721A1/de not_active Withdrawn
-
1988
- 1988-02-08 US US07/153,174 patent/US4820417A/en not_active Expired - Lifetime
- 1988-02-15 EP EP88102174A patent/EP0280144B1/de not_active Expired - Lifetime
- 1988-02-15 AT AT88102174T patent/ATE70201T1/de not_active IP Right Cessation
- 1988-02-15 ES ES198888102174T patent/ES2028145T3/es not_active Expired - Lifetime
- 1988-02-15 DE DE8888102174T patent/DE3866726D1/de not_active Expired - Lifetime
- 1988-02-15 CA CA000558914A patent/CA1311619C/en not_active Expired - Fee Related
- 1988-02-18 YU YU00322/88A patent/YU32288A/xx unknown
- 1988-02-19 PT PT86797A patent/PT86797B/pt not_active IP Right Cessation
- 1988-02-19 MX MX10480A patent/MX163990B/es unknown
- 1988-02-22 RO RO1988132302A patent/RO100633A2/ro unknown
- 1988-02-22 PL PL27079888A patent/PL270798A1/xx unknown
- 1988-02-22 NO NO880762A patent/NO880762L/no unknown
- 1988-02-22 FI FI880807A patent/FI84138C/fi not_active IP Right Cessation
- 1988-02-22 ZA ZA881225A patent/ZA881225B/xx unknown
- 1988-02-22 AU AU12024/88A patent/AU596275B2/en not_active Ceased
- 1988-02-22 BR BR8800713A patent/BR8800713A/pt unknown
- 1988-02-23 JP JP63040537A patent/JP2625140B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| PT86797A (pt) | 1988-03-01 |
| FI880807A (fi) | 1988-08-24 |
| ZA881225B (en) | 1988-08-22 |
| ES2028145T3 (es) | 1992-07-01 |
| MX163990B (es) | 1992-07-07 |
| DE3866726D1 (de) | 1992-01-23 |
| US4820417A (en) | 1989-04-11 |
| FI84138C (fi) | 1991-10-25 |
| YU32288A (en) | 1990-06-30 |
| ATE70201T1 (de) | 1991-12-15 |
| BR8800713A (pt) | 1988-10-04 |
| NO880762D0 (no) | 1988-02-22 |
| RO100633B1 (ro) | 1991-01-30 |
| JPS63227727A (ja) | 1988-09-22 |
| EP0280144A2 (de) | 1988-08-31 |
| PL270798A1 (en) | 1989-03-06 |
| JP2625140B2 (ja) | 1997-07-02 |
| AU1202488A (en) | 1988-08-25 |
| FI880807A0 (fi) | 1988-02-22 |
| PT86797B (pt) | 1992-05-29 |
| EP0280144B1 (de) | 1991-12-11 |
| DE3705721A1 (de) | 1988-09-01 |
| FI84138B (fi) | 1991-07-15 |
| CA1311619C (en) | 1992-12-22 |
| EP0280144A3 (en) | 1989-11-15 |
| RO100633A2 (ro) | 1991-09-04 |
| AU596275B2 (en) | 1990-04-26 |
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