CA1149447A - Nonaqueous cells employing heat-treated mno.sub.2 cathodes - Google Patents
Nonaqueous cells employing heat-treated mno.sub.2 cathodesInfo
- Publication number
- CA1149447A CA1149447A CA000354021A CA354021A CA1149447A CA 1149447 A CA1149447 A CA 1149447A CA 000354021 A CA000354021 A CA 000354021A CA 354021 A CA354021 A CA 354021A CA 1149447 A CA1149447 A CA 1149447A
- Authority
- CA
- Canada
- Prior art keywords
- cell
- nonaqueous cell
- lithium
- manganese dioxide
- electrolyte
- 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.)
- Expired
Links
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 106
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- VWIIJDNADIEEDB-UHFFFAOYSA-N 3-methyl-1,3-oxazolidin-2-one Chemical compound CN1CCOC1=O VWIIJDNADIEEDB-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000006184 cosolvent Substances 0.000 claims abstract description 8
- 239000005486 organic electrolyte Substances 0.000 claims abstract description 6
- 239000003792 electrolyte Substances 0.000 claims description 35
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 11
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Chemical group 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 239000006258 conductive agent Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- AKUSZFPCJFNRSZ-UHFFFAOYSA-N 3,4-dimethyl-1,2-oxazole Chemical compound CC1=CON=C1C AKUSZFPCJFNRSZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000552 LiCF3SO3 Inorganic materials 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 239000011591 potassium Chemical group 0.000 claims description 6
- 229910052700 potassium Chemical group 0.000 claims description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- -1 polytetra-fluorethylene Polymers 0.000 claims description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- 229910012226 MBF4 Inorganic materials 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052787 antimony Chemical group 0.000 claims description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical group [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052785 arsenic Inorganic materials 0.000 claims description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical group [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- BDUPRNVPXOHWIL-UHFFFAOYSA-N dimethyl sulfite Chemical compound COS(=O)OC BDUPRNVPXOHWIL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- FZKPQHFEMFIDNR-UHFFFAOYSA-N 2-hydroxyethyl hydrogen sulfite Chemical compound OCCOS(O)=O FZKPQHFEMFIDNR-UHFFFAOYSA-N 0.000 claims description 2
- QHZOMAXECYYXGP-UHFFFAOYSA-N ethene;prop-2-enoic acid Chemical compound C=C.OC(=O)C=C QHZOMAXECYYXGP-UHFFFAOYSA-N 0.000 claims description 2
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 2
- 229910052791 calcium Inorganic materials 0.000 claims 2
- 229910018953 MClO4 Inorganic materials 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 70
- 239000000203 mixture Substances 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229960003975 potassium Drugs 0.000 description 2
- 235000007686 potassium Nutrition 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 1
- CTNCAPKYOBYQCX-UHFFFAOYSA-N [P].[As] Chemical compound [P].[As] CTNCAPKYOBYQCX-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JLQUFIHWVLZVTJ-UHFFFAOYSA-N carbosulfan Chemical compound CCCCN(CCCC)SN(C)C(=O)OC1=CC=CC2=C1OC(C)(C)C2 JLQUFIHWVLZVTJ-UHFFFAOYSA-N 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 229910052960 marcasite Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011356 non-aqueous organic solvent Substances 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/502—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese for non-aqueous cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
- H01M6/162—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte
- H01M6/164—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by the solvent
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5149179A | 1979-06-25 | 1979-06-25 | |
| US051,491 | 1993-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149447A true CA1149447A (en) | 1983-07-05 |
Family
ID=21971625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000354021A Expired CA1149447A (en) | 1979-06-25 | 1980-06-13 | Nonaqueous cells employing heat-treated mno.sub.2 cathodes |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS566383A (ja) |
| AU (1) | AU530502B2 (ja) |
| BE (1) | BE883985A (ja) |
| BR (1) | BR8003919A (ja) |
| CA (1) | CA1149447A (ja) |
| CH (1) | CH642779A5 (ja) |
| DE (1) | DE3022977A1 (ja) |
| DK (1) | DK270280A (ja) |
| ES (1) | ES8102423A1 (ja) |
| FR (1) | FR2460046A1 (ja) |
| GB (1) | GB2054253B (ja) |
| HK (1) | HK33585A (ja) |
| IE (1) | IE49844B1 (ja) |
| IN (1) | IN154337B (ja) |
| IT (1) | IT1132123B (ja) |
| LU (1) | LU82543A1 (ja) |
| MX (1) | MX153063A (ja) |
| NL (1) | NL8003660A (ja) |
| NO (1) | NO801877L (ja) |
| SE (1) | SE8004657L (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279972A (en) * | 1979-08-27 | 1981-07-21 | Duracell International Inc. | Non-aqueous electrolyte cell |
| US4401735A (en) * | 1979-12-28 | 1983-08-30 | Duracell International Inc. | Non-aqueous Li/MnO2 cell |
| JPS5743364A (en) * | 1980-06-27 | 1982-03-11 | Union Carbide Corp | Non-aquous battery |
| US4327166A (en) * | 1980-09-29 | 1982-04-27 | Union Carbide Corporation | Nonaqueous cell having a MNO2 /poly-carbon fluoride cathode |
| DE3242139C2 (de) * | 1982-11-13 | 1984-09-06 | Accumulatorenwerke Hoppecke Carl Zoellner & Sohn GmbH & Co KG, 5790 Brilon | Verfahren zur Herstellung positiver Elektroden für elektrochemische Elemente, insbesondere Li/Mn0↓2↓-Zellen und nach diesem Verfahren hergestellte Elektroden |
| US4489144A (en) * | 1983-03-28 | 1984-12-18 | Union Carbide Corporation | Isoxazole derivative additive in organic electrolytes of nonaqueous cells employing solid cathodes |
| JPS62117271A (ja) * | 1985-11-15 | 1987-05-28 | Sanyo Electric Co Ltd | 非水電解液電池 |
| JP2703338B2 (ja) * | 1989-05-25 | 1998-01-26 | 三洋電機株式会社 | 非水電解液電池 |
| EP0614239A3 (en) * | 1993-03-01 | 1996-10-16 | Tadiran Ltd | Non-aqueous secondary battery with safety device. |
| JP2002075446A (ja) * | 2000-08-02 | 2002-03-15 | Samsung Sdi Co Ltd | リチウム−硫黄電池 |
| GB2511743A (en) * | 2013-03-11 | 2014-09-17 | Craig Mclean-Anderson | Electrochemical cells |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2606915C3 (de) * | 1975-02-25 | 1979-09-20 | Union Carbide Corp., New York, N.Y. (V.St.A.) | Galvanisches Element mit einem nicht wäßrigen Elektrolyten |
| JPS5342325A (en) * | 1976-09-29 | 1978-04-17 | Sanyo Electric Co | Method of making cathode of nonnaqueous battery |
| US4163829A (en) * | 1977-11-14 | 1979-08-07 | Union Carbide Corporation | Metallic reducing additives for solid cathodes for use in nonaqueous cells |
| US4129686A (en) * | 1977-11-16 | 1978-12-12 | Union Carbide Corporation | Pronged anode collector for internally shorting galvanic cells |
| US4142028A (en) * | 1977-12-23 | 1979-02-27 | Union Carbide Corporation | Nonaqueous cells utilizing aluminum, magnesium, and calcium anodes in amide-based electrolytes |
-
1980
- 1980-06-10 IN IN429/DEL/80A patent/IN154337B/en unknown
- 1980-06-13 CA CA000354021A patent/CA1149447A/en not_active Expired
- 1980-06-20 DE DE19803022977 patent/DE3022977A1/de not_active Ceased
- 1980-06-23 NO NO801877A patent/NO801877L/no unknown
- 1980-06-23 ES ES492687A patent/ES8102423A1/es not_active Expired
- 1980-06-23 IT IT8022972A patent/IT1132123B/it active
- 1980-06-24 CH CH484780A patent/CH642779A5/fr not_active IP Right Cessation
- 1980-06-24 IE IE1312/80A patent/IE49844B1/en unknown
- 1980-06-24 FR FR8013989A patent/FR2460046A1/fr active Granted
- 1980-06-24 DK DK270280A patent/DK270280A/da not_active Application Discontinuation
- 1980-06-24 SE SE8004657A patent/SE8004657L/xx not_active Application Discontinuation
- 1980-06-24 BE BE0/201160A patent/BE883985A/fr not_active IP Right Cessation
- 1980-06-24 GB GB802669A patent/GB2054253B/en not_active Expired
- 1980-06-24 NL NL8003660A patent/NL8003660A/nl active Search and Examination
- 1980-06-24 AU AU59565/80A patent/AU530502B2/en not_active Ceased
- 1980-06-24 JP JP8582880A patent/JPS566383A/ja active Pending
- 1980-06-24 MX MX182888A patent/MX153063A/es unknown
- 1980-06-24 LU LU82543A patent/LU82543A1/fr unknown
- 1980-06-24 BR BR8003919A patent/BR8003919A/pt unknown
-
1985
- 1985-05-02 HK HK335/85A patent/HK33585A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE49844B1 (en) | 1985-12-25 |
| ES492687A0 (es) | 1980-12-16 |
| MX153063A (es) | 1986-07-24 |
| DK270280A (da) | 1980-12-26 |
| BE883985A (fr) | 1980-12-24 |
| ES8102423A1 (es) | 1980-12-16 |
| IT1132123B (it) | 1986-06-25 |
| NO801877L (no) | 1980-12-29 |
| CH642779A5 (fr) | 1984-04-30 |
| HK33585A (en) | 1985-05-10 |
| JPS566383A (en) | 1981-01-22 |
| LU82543A1 (fr) | 1981-02-03 |
| SE8004657L (sv) | 1980-12-26 |
| AU5956580A (en) | 1981-01-08 |
| NL8003660A (nl) | 1980-12-30 |
| IE801312L (en) | 1980-12-25 |
| GB2054253B (en) | 1983-09-21 |
| GB2054253A (en) | 1981-02-11 |
| AU530502B2 (en) | 1983-07-21 |
| DE3022977A1 (de) | 1981-01-08 |
| IT8022972A0 (it) | 1980-06-23 |
| FR2460046A1 (fr) | 1981-01-16 |
| IN154337B (ja) | 1984-10-20 |
| BR8003919A (pt) | 1981-01-13 |
| FR2460046B1 (ja) | 1984-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20000705 |