NO863741L - Fremgangsmaate til fremstilling av zirkonium og hafnium med hoey renhet. - Google Patents
Fremgangsmaate til fremstilling av zirkonium og hafnium med hoey renhet.Info
- Publication number
- NO863741L NO863741L NO863741A NO863741A NO863741L NO 863741 L NO863741 L NO 863741L NO 863741 A NO863741 A NO 863741A NO 863741 A NO863741 A NO 863741A NO 863741 L NO863741 L NO 863741L
- Authority
- NO
- Norway
- Prior art keywords
- magnesium
- zirconium
- hafnium
- container
- chloride
- Prior art date
Links
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 40
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910052735 hafnium Inorganic materials 0.000 title claims abstract description 19
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 68
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000011777 magnesium Substances 0.000 claims abstract description 41
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 41
- 150000003839 salts Chemical class 0.000 claims abstract description 38
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000004821 distillation Methods 0.000 claims abstract description 15
- PDPJQWYGJJBYLF-UHFFFAOYSA-J hafnium tetrachloride Chemical compound Cl[Hf](Cl)(Cl)Cl PDPJQWYGJJBYLF-UHFFFAOYSA-J 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 claims description 12
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 10
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000000859 sublimation Methods 0.000 abstract description 16
- 230000008022 sublimation Effects 0.000 abstract description 16
- 229910001093 Zr alloy Inorganic materials 0.000 abstract description 5
- 239000003758 nuclear fuel Substances 0.000 abstract description 2
- 241000233866 Fungi Species 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 238000006722 reduction reaction Methods 0.000 description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 8
- 239000013078 crystal Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 238000010960 commercial process Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- INIGCWGJTZDVRY-UHFFFAOYSA-N hafnium zirconium Chemical compound [Zr].[Hf] INIGCWGJTZDVRY-UHFFFAOYSA-N 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- BUKHSQBUKZIMLB-UHFFFAOYSA-L potassium;sodium;dichloride Chemical compound [Na+].[Cl-].[Cl-].[K+] BUKHSQBUKZIMLB-UHFFFAOYSA-L 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- WEQHQGJDZLDFID-UHFFFAOYSA-J thorium(iv) chloride Chemical compound Cl[Th](Cl)(Cl)Cl WEQHQGJDZLDFID-UHFFFAOYSA-J 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- HPICRATUQFHULE-UHFFFAOYSA-J uranium(4+);tetrachloride Chemical compound Cl[U](Cl)(Cl)Cl HPICRATUQFHULE-UHFFFAOYSA-J 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/14—Obtaining zirconium or hafnium
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S266/00—Metallurgical apparatus
- Y10S266/905—Refractory metal-extracting means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/780,342 US4668287A (en) | 1985-09-26 | 1985-09-26 | Process for producing high purity zirconium and hafnium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO863741D0 NO863741D0 (no) | 1986-09-19 |
| NO863741L true NO863741L (no) | 1987-03-27 |
Family
ID=25119327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO863741A NO863741L (no) | 1985-09-26 | 1986-09-19 | Fremgangsmaate til fremstilling av zirkonium og hafnium med hoey renhet. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4668287A (ja) |
| JP (1) | JPS62103328A (ja) |
| KR (1) | KR910001489B1 (ja) |
| CA (1) | CA1275811C (ja) |
| FR (1) | FR2587725A1 (ja) |
| NO (1) | NO863741L (ja) |
| SE (1) | SE465431B (ja) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4722827A (en) * | 1985-09-26 | 1988-02-02 | Westinghouse Electric Corp. | Zirconium and hafnium with low oxygen and iron |
| JPS62136538A (ja) * | 1985-12-10 | 1987-06-19 | Mitsubishi Metal Corp | 高純度ジルコニウム金属製造の方法と装置 |
| FR2595101A1 (fr) * | 1986-02-28 | 1987-09-04 | Rhone Poulenc Chimie | Procede de preparation par lithiothermie de poudres metalliques |
| FR2604184B1 (fr) * | 1986-09-19 | 1988-11-10 | Cezus Co Europ Zirconium | Procede et dispositif de fabrication de zirconium metal par reduction de tetrachlorure de zirconium |
| US4711664A (en) * | 1987-03-23 | 1987-12-08 | Westinghouse Electric Corp. | Process for producing zirconium sponge with a very low iron content |
| US4816214A (en) * | 1987-10-22 | 1989-03-28 | Westinghouse Electric Corp. | Ultra slow EB melting to reduce reactor cladding |
| US4814136A (en) * | 1987-10-28 | 1989-03-21 | Westinghouse Electric Corp. | Process for the control of liner impurities and light water reactor cladding |
| JPH081759B2 (ja) * | 1987-11-24 | 1996-01-10 | 株式会社東芝 | 不揮発性メモリ |
| US4874475A (en) * | 1988-09-12 | 1989-10-17 | Westinghouse Electric Corp. | Molten salt extractive distillation process for zirconium-hafnium separation |
| US4923579A (en) * | 1988-09-12 | 1990-05-08 | Westinghouse Electric Corp. | Electrochemical process for zirconium alloy recycling |
| US4865693A (en) * | 1988-09-12 | 1989-09-12 | Westinghouse Electric Corp. | Preparation of complexes of zirconium and hafnium tetrachlorides with phosphorus oxychloride |
| US4923577A (en) * | 1988-09-12 | 1990-05-08 | Westinghouse Electric Corp. | Electrochemical-metallothermic reduction of zirconium in molten salt solutions |
| US4865694A (en) * | 1988-09-12 | 1989-09-12 | Westinghouse Electric Corp. | Electrochemical decomposition of complexes of zirconium or hafnium |
| US5049363A (en) * | 1989-08-03 | 1991-09-17 | Westinghouse Electric Corp. | Recovery of scandium, yttrium and lanthanides from titanium ore |
| US4983215A (en) * | 1989-09-13 | 1991-01-08 | Teledyne Industries, Inc. | Novel liquid metal seal on zirconium or hafnium reduction apparatus |
| US5098471A (en) * | 1989-12-06 | 1992-03-24 | Westinghouse Electric Corp. | Separation of magnesium from magnesium chloride and zirconium and/or hafnium subchlorides in the production of zirconium and/or hafnium sponge metal |
| US5131634A (en) * | 1991-10-07 | 1992-07-21 | Westinghouse Electric Corp. | Sublimer-reactor system with weighing means |
| US7964070B2 (en) * | 2003-07-25 | 2011-06-21 | Jx Nippon Mining & Metals Corporation | Highly pure hafnium material, target thin film comprising the same and method for producing highly pure hafnium |
| KR100766275B1 (ko) * | 2003-11-19 | 2007-10-15 | 닛코킨조쿠 가부시키가이샤 | 고순도 하프늄, 동 고순도 하프늄으로 이루어진 타겟트 및박막과 고순도 하프늄의 제조방법 |
| JP5032316B2 (ja) | 2005-07-07 | 2012-09-26 | Ｊｘ日鉱日石金属株式会社 | 高純度ハフニウム、高純度ハフニウムからなるターゲット及び薄膜並びに高純度ハフニウムの製造方法 |
| KR100892110B1 (ko) | 2008-02-22 | 2009-04-08 | 삼성전자주식회사 | 현상 카트리지, 이를 구비한 화상형성장치, 및화상형성장치의 인쇄방법 |
| RU2450373C2 (ru) * | 2008-07-10 | 2012-05-10 | Сергей Павлович Распопин | Способ синтеза ядерного топлива для энергетических реакторов на быстрых нейтронах с активной зоной из солевого расплава |
| KR100976825B1 (ko) * | 2009-11-18 | 2010-08-20 | 한국기계연구원 | 스폰지 형태의 고순도 금속 지르코늄의 제조방법, 및 이에 의한 고순도 금속 지르코늄의 제조장치 |
| KR101123905B1 (ko) * | 2009-12-29 | 2012-03-23 | 재단법인 포항산업과학연구원 | 염화 마그네슘 분말 공급장치 |
| US9090953B2 (en) | 2012-08-14 | 2015-07-28 | Ati Properties, Inc. | Methods for reducing impurities in magnesium, purified magnesium, and zirconium metal production |
| CN103846440B (zh) * | 2012-12-07 | 2016-04-27 | 北京有色金属研究总院 | 一种用于金属铪碘化的原料的制备方法 |
| CN108611502B (zh) * | 2018-04-12 | 2020-07-31 | 北京金铂宇金属科技有限公司 | 一种降低镁还原法制备海绵铪中氧含量的方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2787539A (en) * | 1952-10-30 | 1957-04-02 | Du Pont | Production of refractory metals |
| US2916362A (en) * | 1954-04-16 | 1959-12-08 | Nat Lead Co | Purification of zirconium tetrachloride |
| US3057682A (en) * | 1960-07-15 | 1962-10-09 | Nat Distillers Chem Corp | Process for recovery as zirconium oxysulfate zirconium values from salt baths |
| CA934168A (en) * | 1970-01-08 | 1973-09-25 | Ishizuka Hiroshi | Method for reducing chlorides and device therefor |
| US3966460A (en) * | 1974-09-06 | 1976-06-29 | Amax Specialty Metal Corporation | Reduction of metal halides |
| US3966458A (en) * | 1974-09-06 | 1976-06-29 | Amax Speciality Metal Corporation | Separation of zirconium and hafnium |
| US4200492A (en) * | 1976-09-27 | 1980-04-29 | General Electric Company | Nuclear fuel element |
| US4072506A (en) * | 1975-10-17 | 1978-02-07 | Teledyne Industries, Inc. | Method of separating hafnium from zirconium |
| US4372817A (en) * | 1976-09-27 | 1983-02-08 | General Electric Company | Nuclear fuel element |
| US4368072A (en) * | 1979-03-12 | 1983-01-11 | Teledyne Industries, Inc. | Iodide cell vapor pressure control |
| US4285724A (en) * | 1979-11-15 | 1981-08-25 | Aluminum Company Of America | Continuous production of finely divided zirconium powder |
| US4556420A (en) * | 1982-04-30 | 1985-12-03 | Westinghouse Electric Corp. | Process for combination metal reduction and distillation |
| US4447045A (en) * | 1982-07-21 | 1984-05-08 | Mitsubishi Kinzoku Kabushiki Kaisha | Apparatus for preparing high-melting-point high-toughness metals |
| US4511399A (en) * | 1983-10-04 | 1985-04-16 | Westinghouse Electric Corp. | Control method for large scale batch reduction of zirconium tetrachloride |
-
1985
- 1985-09-26 US US06/780,342 patent/US4668287A/en not_active Expired - Fee Related
-
1986
- 1986-09-16 SE SE8603898A patent/SE465431B/sv not_active Application Discontinuation
- 1986-09-19 NO NO863741A patent/NO863741L/no unknown
- 1986-09-19 CA CA000518688A patent/CA1275811C/en not_active Expired - Lifetime
- 1986-09-22 FR FR8613210A patent/FR2587725A1/fr not_active Withdrawn
- 1986-09-25 JP JP61227893A patent/JPS62103328A/ja active Pending
- 1986-09-25 KR KR1019860008004A patent/KR910001489B1/ko active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR910001489B1 (ko) | 1991-03-09 |
| KR870003218A (ko) | 1987-04-16 |
| CA1275811C (en) | 1990-11-06 |
| FR2587725A1 (fr) | 1987-03-27 |
| US4668287A (en) | 1987-05-26 |
| SE8603898D0 (sv) | 1986-09-16 |
| SE8603898L (sv) | 1987-03-27 |
| NO863741D0 (no) | 1986-09-19 |
| SE465431B (sv) | 1991-09-09 |
| JPS62103328A (ja) | 1987-05-13 |
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