DE3124591C2 - Silber(II)-oxid-Zelle - Google Patents
Silber(II)-oxid-ZelleInfo
- Publication number
- DE3124591C2 DE3124591C2 DE19813124591 DE3124591A DE3124591C2 DE 3124591 C2 DE3124591 C2 DE 3124591C2 DE 19813124591 DE19813124591 DE 19813124591 DE 3124591 A DE3124591 A DE 3124591A DE 3124591 C2 DE3124591 C2 DE 3124591C2
- Authority
- DE
- Germany
- Prior art keywords
- oxide
- silver
- cadmium
- component
- tellurium
- 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
- OTCVAHKKMMUFAY-UHFFFAOYSA-N oxosilver Chemical compound [Ag]=O OTCVAHKKMMUFAY-UHFFFAOYSA-N 0.000 title claims abstract 8
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims abstract description 93
- 229910052714 tellurium Inorganic materials 0.000 claims abstract description 92
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 85
- 239000003792 electrolyte Substances 0.000 claims abstract description 55
- ANQVKHGDALCPFZ-UHFFFAOYSA-N ethyl 2-[6-(4-methylpiperazin-1-yl)-1h-benzimidazol-2-yl]acetate Chemical compound C1=C2NC(CC(=O)OCC)=NC2=CC=C1N1CCN(C)CC1 ANQVKHGDALCPFZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 19
- 229910052716 thallium Inorganic materials 0.000 claims abstract description 17
- 229910052718 tin Inorganic materials 0.000 claims abstract description 16
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 14
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims abstract description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 11
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 10
- 239000011701 zinc Substances 0.000 claims abstract description 10
- 239000011669 selenium Substances 0.000 claims abstract description 8
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 7
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 6
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 6
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims abstract description 5
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 5
- 239000010937 tungsten Substances 0.000 claims abstract description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 49
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 42
- 239000004615 ingredient Substances 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 21
- 229910001923 silver oxide Inorganic materials 0.000 claims description 21
- 229910052709 silver Inorganic materials 0.000 claims description 16
- 239000004332 silver Substances 0.000 claims description 16
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical group [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 16
- 239000000470 constituent Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- -1 CadnMumsulfld Chemical compound 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 10
- 241001233037 catfish Species 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 8
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 claims description 5
- FXADMRZICBQPQY-UHFFFAOYSA-N orthotelluric acid Chemical compound O[Te](O)(O)(O)(O)O FXADMRZICBQPQY-UHFFFAOYSA-N 0.000 claims description 5
- 239000007800 oxidant agent Chemical group 0.000 claims description 5
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- SITVSCPRJNYAGV-UHFFFAOYSA-N tellurous acid Chemical compound O[Te](O)=O SITVSCPRJNYAGV-UHFFFAOYSA-N 0.000 claims description 3
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 claims description 2
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 claims description 2
- 229910000331 cadmium sulfate Inorganic materials 0.000 claims description 2
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 239000002612 dispersion medium Substances 0.000 claims description 2
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 claims 35
- 150000001447 alkali salts Chemical class 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000006641 stabilisation Effects 0.000 claims 2
- 238000011105 stabilization Methods 0.000 claims 2
- 210000004128 D cell Anatomy 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- GWOWVOYJLHSRJJ-UHFFFAOYSA-L cadmium stearate Chemical compound [Cd+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O GWOWVOYJLHSRJJ-UHFFFAOYSA-L 0.000 claims 1
- BAAYWLNVHTVAJJ-UHFFFAOYSA-L cadmium(2+);diformate Chemical compound [Cd+2].[O-]C=O.[O-]C=O BAAYWLNVHTVAJJ-UHFFFAOYSA-L 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 125000003748 selenium group Chemical group *[Se]* 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- IIXQANVWKBCLEB-UHFFFAOYSA-N tellurium trioxide Chemical compound O=[Te](=O)=O IIXQANVWKBCLEB-UHFFFAOYSA-N 0.000 claims 1
- 238000013459 approach Methods 0.000 description 51
- 239000007789 gas Substances 0.000 description 25
- 239000000203 mixture Substances 0.000 description 14
- 238000003756 stirring Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 229910052745 lead Inorganic materials 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910005793 GeO 2 Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910020816 Sn Pb Inorganic materials 0.000 description 1
- 229910001215 Te alloy Inorganic materials 0.000 description 1
- XYDQMRVDDPZFMM-UHFFFAOYSA-N [Ag+2] Chemical compound [Ag+2] XYDQMRVDDPZFMM-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229940065285 cadmium compound Drugs 0.000 description 1
- 150000001662 cadmium compounds Chemical class 0.000 description 1
- PLLZRTNVEXYBNA-UHFFFAOYSA-L cadmium hydroxide Chemical compound [OH-].[OH-].[Cd+2] PLLZRTNVEXYBNA-UHFFFAOYSA-L 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- RPPBZEBXAAZZJH-UHFFFAOYSA-N cadmium telluride Chemical compound [Te]=[Cd] RPPBZEBXAAZZJH-UHFFFAOYSA-N 0.000 description 1
- VTFKXHQTGNWIJW-UHFFFAOYSA-L cadmium(2+);selenate Chemical compound [Cd+2].[O-][Se]([O-])(=O)=O VTFKXHQTGNWIJW-UHFFFAOYSA-L 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- XERQTZLDFHNZIC-UHFFFAOYSA-L disodium;tellurate Chemical compound [Na+].[Na+].[O-][Te]([O-])(=O)=O XERQTZLDFHNZIC-UHFFFAOYSA-L 0.000 description 1
- 239000011363 dried mixture Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 150000003498 tellurium compounds Chemical class 0.000 description 1
- 238000005303 weighing Methods 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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/12—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with flat electrodes
-
- 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
- H01M4/54—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of silver
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55083974A JPS5846453B2 (ja) | 1980-06-23 | 1980-06-23 | 過酸化銀の製造方法 |
| JP9941880A JPS5725675A (en) | 1980-07-22 | 1980-07-22 | Silver peroxide battery |
| JP55140400A JPS5765671A (en) | 1980-10-09 | 1980-10-09 | Silver peroxide battery |
| JP55182847A JPS57107565A (en) | 1980-12-25 | 1980-12-25 | Silver peroxide battery |
| JP55182846A JPS605528B2 (ja) | 1980-12-25 | 1980-12-25 | 過酸化銀の製造方法 |
| JP56015665A JPS57132674A (en) | 1981-02-06 | 1981-02-06 | Silver peroxide cell |
| JP56015666A JPS57132675A (en) | 1981-02-06 | 1981-02-06 | Silver peroxide cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3124591A1 DE3124591A1 (de) | 1982-04-15 |
| DE3124591C2 true DE3124591C2 (de) | 1985-01-24 |
Family
ID=27563723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813124591 Expired DE3124591C2 (de) | 1980-06-23 | 1981-06-23 | Silber(II)-oxid-Zelle |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH656487A5 (OSRAM) |
| DE (1) | DE3124591C2 (OSRAM) |
| FR (1) | FR2485269A1 (OSRAM) |
| GB (1) | GB2079522B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522881A1 (fr) * | 1982-03-05 | 1983-09-09 | Seiko Instr & Electronics | Pile a l'oxyde d'argent divalent |
| JPS5928588A (ja) * | 1982-08-09 | 1984-02-15 | Meidensha Electric Mfg Co Ltd | 亜鉛―臭素二次電池 |
| EP0292851A3 (en) * | 1982-11-17 | 1989-02-22 | Ray-O-Vac Corporation | Stable divalent silver oxide-containing cathode material |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1178918A (en) * | 1967-02-08 | 1970-01-21 | Esb Inc | Improvements relating to Active Material for Alkaline Electric Batteries |
| US3650832A (en) * | 1969-08-20 | 1972-03-21 | Esb Inc | Active material electrode and cell comprising improved battery grade divalent silver oxide |
| JPS50157837A (OSRAM) * | 1974-06-11 | 1975-12-20 | ||
| US4078127A (en) * | 1977-04-21 | 1978-03-07 | Esb Incorporated | Additive for an alkaline battery employing divalent silver oxide positive active material |
| JPS5937546B2 (ja) * | 1977-06-22 | 1984-09-10 | 松下電器産業株式会社 | アルカリ電池 |
| GB2003455B (en) * | 1977-08-19 | 1982-02-24 | Matsushita Electric Industrial Co Ltd | Divalent silver oxide for use in primary cells and manufacturing method thereof |
| CA1128121A (en) * | 1978-03-30 | 1982-07-20 | Union Carbide Corporation | Cadium compound additive for cells using divalent silver oxide |
| CA1127707A (en) * | 1978-03-30 | 1982-07-13 | Union Carbide Corporation | Aluminum additive for cells using divalent silver oxide electrodes |
| JPS55104074A (en) * | 1979-02-02 | 1980-08-09 | Sumitomo Metal Mining Co Ltd | Manufacturing method of silver peroxide |
-
1981
- 1981-06-15 GB GB8118350A patent/GB2079522B/en not_active Expired
- 1981-06-17 CH CH400781A patent/CH656487A5/de not_active IP Right Cessation
- 1981-06-23 FR FR8112283A patent/FR2485269A1/fr active Granted
- 1981-06-23 DE DE19813124591 patent/DE3124591C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH656487A5 (de) | 1986-06-30 |
| GB2079522A (en) | 1982-01-20 |
| DE3124591A1 (de) | 1982-04-15 |
| FR2485269A1 (fr) | 1981-12-24 |
| GB2079522B (en) | 1983-08-03 |
| FR2485269B1 (OSRAM) | 1983-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |