IL97299A - סינתזה של מוליך-על רב-גבישי מכוון ל-o-uc-rs-ac-bp-ib - Google Patents
סינתזה של מוליך-על רב-גבישי מכוון ל-o-uc-rs-ac-bp-ibInfo
- Publication number
- IL97299A IL97299A IL9729991A IL9729991A IL97299A IL 97299 A IL97299 A IL 97299A IL 9729991 A IL9729991 A IL 9729991A IL 9729991 A IL9729991 A IL 9729991A IL 97299 A IL97299 A IL 97299A
- Authority
- IL
- Israel
- Prior art keywords
- superconductive
- produce
- product
- phase
- sintered
- Prior art date
Links
- 239000002887 superconductor Substances 0.000 title description 4
- 230000015572 biosynthetic process Effects 0.000 title description 3
- 238000003786 synthesis reaction Methods 0.000 title description 3
- 239000000047 product Substances 0.000 claims description 76
- 239000000203 mixture Substances 0.000 claims description 72
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 60
- 239000000376 reactant Substances 0.000 claims description 59
- 238000010304 firing Methods 0.000 claims description 49
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 239000013078 crystal Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 44
- 239000013067 intermediate product Substances 0.000 claims description 38
- 230000001590 oxidative effect Effects 0.000 claims description 38
- 239000002002 slurry Substances 0.000 claims description 38
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 35
- 229910052709 silver Inorganic materials 0.000 claims description 32
- 239000004332 silver Substances 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 30
- 229960004643 cupric oxide Drugs 0.000 claims description 23
- 230000010339 dilation Effects 0.000 claims description 23
- 238000005538 encapsulation Methods 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 21
- 239000007795 chemical reaction product Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 15
- 238000002441 X-ray diffraction Methods 0.000 claims description 9
- 229910000464 lead oxide Inorganic materials 0.000 claims description 8
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims 3
- 239000000843 powder Substances 0.000 description 35
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 20
- 239000000463 material Substances 0.000 description 16
- 239000002270 dispersing agent Substances 0.000 description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 10
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical group CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 10
- 230000007704 transition Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000002939 deleterious effect Effects 0.000 description 9
- 238000003801 milling Methods 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 239000003513 alkali Substances 0.000 description 8
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- -1 for example Substances 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical group [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229940016590 sarkosyl Drugs 0.000 description 2
- 108700004121 sarkosyl Proteins 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- KSAVQLQVUXSOCR-UHFFFAOYSA-M sodium lauroyl sarcosinate Chemical compound [Na+].CCCCCCCCCCCC(=O)N(C)CC([O-])=O KSAVQLQVUXSOCR-UHFFFAOYSA-M 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- 238000010671 solid-state reaction Methods 0.000 description 2
- 229910000018 strontium carbonate Inorganic materials 0.000 description 2
- 229910002480 Cu-O Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920004890 Triton X-100 Polymers 0.000 description 1
- 239000013504 Triton X-100 Substances 0.000 description 1
- ARCZIIMKMCECQB-UHFFFAOYSA-N [O].[Cu].[Sr].[Ca].[Pb].[Bi] Chemical compound [O].[Cu].[Sr].[Ca].[Pb].[Bi] ARCZIIMKMCECQB-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229940112669 cuprous oxide Drugs 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000011363 dried mixture Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide
- C04B35/4525—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide also containing lead oxide
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0268—Manufacture or treatment of devices comprising copper oxide
-
- 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
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/725—Process of making or treating high tc, above 30 k, superconducting shaped material, article, or device
- Y10S505/727—Process of making or treating high tc, above 30 k, superconducting shaped material, article, or device using magnetic field
-
- 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
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/775—High tc, above 30 k, superconducting material
- Y10S505/776—Containing transition metal oxide with rare earth or alkaline earth
- Y10S505/782—Bismuth-, e.g. BiCaSrCuO
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/489,309 US5057486A (en) | 1990-03-05 | 1990-03-05 | Synthesis of bi-pb-ca-sr-cu-o oriented polycrystal superconductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL97299A0 IL97299A0 (en) | 1992-05-25 |
| IL97299A true IL97299A (he) | 1995-10-31 |
Family
ID=23943307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9729991A IL97299A (he) | 1990-03-05 | 1991-02-20 | סינתזה של מוליך-על רב-גבישי מכוון ל-o-uc-rs-ac-bp-ib |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5057486A (he) |
| EP (1) | EP0445607B1 (he) |
| JP (1) | JPH0742164B2 (he) |
| CA (1) | CA2035399A1 (he) |
| DE (1) | DE69103177T2 (he) |
| IL (1) | IL97299A (he) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3151558B2 (ja) * | 1990-05-28 | 2001-04-03 | 財団法人生産開発科学研究所 | Ｂｉ―Ｐｂ―Ｓｒ―Ｃａ―Ｃｕ―Ｏ系超電導物質 |
| US5242896A (en) * | 1990-03-07 | 1993-09-07 | Agency For Industrial Science And Technology | Superconductor crystal and process for preparing the same |
| EP0447994A3 (en) * | 1990-03-16 | 1992-01-29 | Sumitomo Electric Industries, Ltd. | Bismuth oxide superconductor and method of preparing the same |
| JP3074753B2 (ja) * | 1990-03-26 | 2000-08-07 | 住友電気工業株式会社 | ビスマス系酸化物超電導体の製造方法 |
| US5204316A (en) * | 1990-04-02 | 1993-04-20 | General Electric Company | Preparation of tape of silver covered bi-pb-ca;sr-cu-o oriented polycrystal superconductor |
| JP3008453B2 (ja) * | 1990-07-16 | 2000-02-14 | 住友電気工業株式会社 | ビスマス系超電導体の製造方法 |
| US5611139A (en) * | 1992-02-10 | 1997-03-18 | Iap Research, Inc. | Structure and method for compaction of powder-like materials |
| US5689797A (en) * | 1992-02-10 | 1997-11-18 | Iap Research, Inc. | Structure and method for compaction of powder-like materials |
| US5405574A (en) * | 1992-02-10 | 1995-04-11 | Iap Research, Inc. | Method for compaction of powder-like materials |
| US6432554B1 (en) | 1992-02-10 | 2002-08-13 | Iap Research, Inc. | Apparatus and method for making an electrical component |
| US6273963B1 (en) | 1992-02-10 | 2001-08-14 | Iap Research, Inc. | Structure and method for compaction of powder-like materials |
| US5529981A (en) * | 1992-03-05 | 1996-06-25 | Holloway; Alex | Process and apparatus for preparing biaxially textured materials using anisotropy in the paramagnetic susceptibility |
| US6311386B1 (en) | 1994-10-28 | 2001-11-06 | American Superconductor Corporation | Processing of (Bi,Pb)SCCO superconductor in wires and tapes |
| US6295716B1 (en) * | 1994-10-28 | 2001-10-02 | American Superconductor Corporation | Production and processing of (Bi,Pb) SCCO superconductors |
| US6247224B1 (en) | 1995-06-06 | 2001-06-19 | American Superconductor Corporation | Simplified deformation-sintering process for oxide superconducting articles |
| JP3239695B2 (ja) * | 1995-07-17 | 2001-12-17 | 株式会社村田製作所 | 電子部品 |
| US6811887B2 (en) | 1996-07-29 | 2004-11-02 | Iap Research, Inc. | Apparatus and method for making an electrical component |
| US7362015B2 (en) * | 1996-07-29 | 2008-04-22 | Iap Research, Inc. | Apparatus and method for making an electrical component |
| US6069116A (en) | 1997-09-10 | 2000-05-30 | American Superconductor Corp. | Method of forming BSCCO superconducting composite articles |
| US6868778B2 (en) | 2001-09-14 | 2005-03-22 | Iap Research, Inc. | System and method for loading a plurality of powder materials in an electromagnetic compaction press |
| JP2004265958A (ja) | 2003-02-27 | 2004-09-24 | Tdk Corp | 電子部品の製造方法、および基体シート |
| JP4882094B2 (ja) * | 2005-02-21 | 2012-02-22 | Ｄｏｗａエレクトロニクス株式会社 | 酸化物超電導体厚膜およびその製造方法、並びに、酸化物超電導体厚膜製造用ペースト |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3853961T2 (de) * | 1987-03-31 | 1996-02-15 | Sumitomo Electric Industries | Verfahren zur Herstellung eines supraleitenden Drahts. |
| US4975411A (en) * | 1987-05-19 | 1990-12-04 | Fonar Corporation | Superconductors and methods of making same |
| US4942151A (en) * | 1987-09-28 | 1990-07-17 | Arch Development Corporation | Magnetic preferential orientation of metal oxide superconducting materials |
| US4880771A (en) * | 1988-02-12 | 1989-11-14 | American Telephone And Telegraph Company, At&T Bell Laboratories | Bismuth-lead-strontium-calcium-cuprate superconductors |
| US4943557A (en) * | 1988-08-15 | 1990-07-24 | At&T Bell Laboratories | Method of making a high density YBa Cu3 Ox superconductor material |
| US4939121A (en) * | 1988-10-20 | 1990-07-03 | General Dynamics Corporation, Electronics Division | Method and apparatus for inducing grain orientation by magnetic and electric field ordering during bulk superconductor synthesis |
-
1990
- 1990-03-05 US US07/489,309 patent/US5057486A/en not_active Expired - Fee Related
-
1991
- 1991-01-31 CA CA002035399A patent/CA2035399A1/en not_active Abandoned
- 1991-02-20 IL IL9729991A patent/IL97299A/he not_active IP Right Cessation
- 1991-02-22 DE DE69103177T patent/DE69103177T2/de not_active Expired - Fee Related
- 1991-02-22 EP EP91102623A patent/EP0445607B1/en not_active Expired - Lifetime
- 1991-03-04 JP JP3060966A patent/JPH0742164B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69103177D1 (de) | 1994-09-08 |
| JPH0742164B2 (ja) | 1995-05-10 |
| DE69103177T2 (de) | 1995-03-16 |
| EP0445607B1 (en) | 1994-08-03 |
| US5057486A (en) | 1991-10-15 |
| JPH04214065A (ja) | 1992-08-05 |
| EP0445607A1 (en) | 1991-09-11 |
| IL97299A0 (en) | 1992-05-25 |
| CA2035399A1 (en) | 1991-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| RH | Patent void |