DE3783848T2 - Nichtwaesserige batterie mit besonderem separator. - Google Patents
Nichtwaesserige batterie mit besonderem separator.Info
- Publication number
- DE3783848T2 DE3783848T2 DE8787308322T DE3783848T DE3783848T2 DE 3783848 T2 DE3783848 T2 DE 3783848T2 DE 8787308322 T DE8787308322 T DE 8787308322T DE 3783848 T DE3783848 T DE 3783848T DE 3783848 T2 DE3783848 T2 DE 3783848T2
- Authority
- DE
- Germany
- Prior art keywords
- separator
- battery according
- electrolyte
- battery
- separator material
- 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 - Fee Related
Links
- 239000000463 material Substances 0.000 claims description 46
- 239000003792 electrolyte Substances 0.000 claims description 28
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 24
- 229910052744 lithium Inorganic materials 0.000 claims description 24
- -1 polypropylene Polymers 0.000 claims description 16
- 239000000178 monomer Substances 0.000 claims description 15
- 229910001540 lithium hexafluoroarsenate(V) Inorganic materials 0.000 claims description 10
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 9
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 9
- 229910020050 NbSe3 Inorganic materials 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 229910003002 lithium salt Inorganic materials 0.000 claims description 7
- 159000000002 lithium salts Chemical class 0.000 claims description 7
- 229910001290 LiPF6 Inorganic materials 0.000 claims description 5
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 4
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 claims description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011149 active material Substances 0.000 claims description 3
- 239000007774 positive electrode material Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 claims description 2
- 229910000552 LiCF3SO3 Inorganic materials 0.000 claims description 2
- 229910016003 MoS3 Inorganic materials 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 229910020039 NbSe2 Inorganic materials 0.000 claims description 2
- 229910004211 TaS2 Inorganic materials 0.000 claims description 2
- 229910003092 TiS2 Inorganic materials 0.000 claims description 2
- 229910010322 TiS3 Inorganic materials 0.000 claims description 2
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims description 2
- 229910001486 lithium perchlorate Inorganic materials 0.000 claims description 2
- 229910001537 lithium tetrachloroaluminate Inorganic materials 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- 229910052961 molybdenite Inorganic materials 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 2
- TVWWSIKTCILRBF-UHFFFAOYSA-N molybdenum trisulfide Chemical compound S=[Mo](=S)=S TVWWSIKTCILRBF-UHFFFAOYSA-N 0.000 claims description 2
- 125000005395 methacrylic acid group Chemical group 0.000 claims 1
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 12
- 230000005855 radiation Effects 0.000 description 10
- 150000003839 salts Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- TXHFHCPKVSDSIL-UHFFFAOYSA-N 1,3-dioxolan-2-one;4-methyl-1,3-dioxolan-2-one Chemical compound O=C1OCCO1.CC1COC(=O)O1 TXHFHCPKVSDSIL-UHFFFAOYSA-N 0.000 description 1
- BHAYFXKTLWGHHO-UHFFFAOYSA-N 1-ethenylpyrrolidin-2-one;2-methylprop-2-enoic acid Chemical compound CC(=C)C(O)=O.C=CN1CCCC1=O BHAYFXKTLWGHHO-UHFFFAOYSA-N 0.000 description 1
- DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical compound [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229940000489 arsenate Drugs 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000080 wetting agent Substances 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cell Separators (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/912,980 US4740433A (en) | 1986-09-29 | 1986-09-29 | Nonaqueous battery with special separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3783848D1 DE3783848D1 (de) | 1993-03-11 |
| DE3783848T2 true DE3783848T2 (de) | 1993-06-03 |
Family
ID=25432797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8787308322T Expired - Fee Related DE3783848T2 (de) | 1986-09-29 | 1987-09-21 | Nichtwaesserige batterie mit besonderem separator. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4740433A (OSRAM) |
| EP (1) | EP0262846B1 (OSRAM) |
| JP (1) | JPS6388750A (OSRAM) |
| CA (1) | CA1306283C (OSRAM) |
| DE (1) | DE3783848T2 (OSRAM) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183715A (en) * | 1987-02-18 | 1993-02-02 | Gould Electronics Limited | Solid state cell electrolyte |
| CA1308778C (en) * | 1988-07-01 | 1992-10-13 | Nobuhiro Furukawa | Non-aqueous electrolyte cell |
| USH723H (en) | 1988-07-06 | 1990-01-02 | The United States Of America As Represented By The Secretary Of The Army | Lithium electrochemical cell containing diethylcarbonate as an electrolyte solvent additive |
| US4965150A (en) * | 1988-09-08 | 1990-10-23 | Moli Energy Limited | Preparation of VO2 (B) and a non-aqueous secondary cell using VO2 |
| US4892795A (en) * | 1988-09-14 | 1990-01-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Non-aqueous cell comprising niobium triselenide |
| US4988587A (en) * | 1988-12-19 | 1991-01-29 | At&T Bell Laboratories | Rechargeable non-aqueous cell |
| JP2906422B2 (ja) * | 1989-01-20 | 1999-06-21 | ソニー株式会社 | 充電装置 |
| JPH0834098B2 (ja) * | 1989-02-07 | 1996-03-29 | 日立マクセル株式会社 | Ｐｔｃ素子付き円筒形有機電解液電池 |
| FR2644295A1 (fr) * | 1989-03-09 | 1990-09-14 | Accumulateurs Fixes | Generateur electrochimique rechargeable a anode de lithium |
| JPH0325865A (ja) * | 1989-06-21 | 1991-02-04 | Matsushita Electric Ind Co Ltd | 非水電解液２次電池 |
| US4963161A (en) * | 1989-07-10 | 1990-10-16 | At&T Bell Laboratories | Non-aqueous alkali battery having an improved cathode |
| US5089027A (en) * | 1990-11-26 | 1992-02-18 | Gould Inc. | Method for producing a solid electrolyte cell |
| CA2045996C (en) * | 1991-06-28 | 2003-04-15 | Shin-Ichi Tobishima | Non-aqueous secondary lithium battery |
| US5252413A (en) * | 1992-04-07 | 1993-10-12 | Eic Laboratories, Inc. | Solid polymer electrolyte lithium batteries |
| US5318866A (en) * | 1993-04-23 | 1994-06-07 | Pall Corporation | Battery separators |
| US5631102A (en) * | 1996-02-12 | 1997-05-20 | Wilson Greatbatch Ltd. | Separator insert for electrochemical cells |
| CA2205767C (en) * | 1996-05-23 | 2001-04-03 | Sharp Kabushiki Kaisha | Nonaqueous secondary battery and a method of manufacturing a negative electrode active material |
| US5902696A (en) * | 1997-06-02 | 1999-05-11 | Wilson Greatbatch Ltd. | Separator for nonaqueous electrochemical cells |
| JP2001338630A (ja) * | 2000-05-30 | 2001-12-07 | Toshiba Battery Co Ltd | リチウム二次電池 |
| US20030113622A1 (en) | 2001-12-14 | 2003-06-19 | Blasi Jane A. | Electrolyte additive for non-aqueous electrochemical cells |
| US20030162099A1 (en) | 2002-02-28 | 2003-08-28 | Bowden William L. | Non-aqueous electrochemical cell |
| WO2005088656A1 (ja) * | 2004-03-12 | 2005-09-22 | Japan Carlit Co., Ltd. | 電気二重層キャパシタ用電解液及び電気二重層キャパシタ |
| US7285356B2 (en) | 2004-07-23 | 2007-10-23 | The Gillette Company | Non-aqueous electrochemical cells |
| US7479348B2 (en) | 2005-04-08 | 2009-01-20 | The Gillette Company | Non-aqueous electrochemical cells |
| US20120102725A1 (en) * | 2010-10-28 | 2012-05-03 | Gm Global Technology Operations, Inc. | Battery Separator |
| US20130149589A1 (en) * | 2011-12-07 | 2013-06-13 | Oliver Gronwald | Electrochemical cells comprising a nitrogen-containing polymer |
| CN107141503A (zh) * | 2017-04-05 | 2017-09-08 | 河南师范大学 | 一种锂硫电池用聚烯烃改性隔膜的制备方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3376168A (en) * | 1962-08-02 | 1968-04-02 | Yardney International Corp | Metal-containing graft-polymerized product and method of making same |
| US3864167A (en) * | 1973-04-19 | 1975-02-04 | Bell Telephone Labor Inc | Non-aqueous battery using chalcogenide electrode |
| US4009323A (en) * | 1975-05-12 | 1977-02-22 | The United States Of America As Represented By The Secretary Of The Navy | Storage battery comprising positive electrode of a graphite and lithium fluoride compound |
| JPS5250544A (en) * | 1975-10-20 | 1977-04-22 | Nitto Electric Ind Co | Secondary battery separator |
| US4206275A (en) * | 1977-03-23 | 1980-06-03 | Esb Incorporated | Material for an alkaline cell separator and a process of making |
| JPS5425432A (en) * | 1977-07-26 | 1979-02-26 | Japan Atomic Energy Res Inst | Method of making cell diaphragm |
| US4220693A (en) * | 1978-08-23 | 1980-09-02 | P. R. Mallory & Co. Inc. | Composite separator/absorbent |
| US4287275A (en) * | 1979-01-26 | 1981-09-01 | Sac Membrane Products Corporation | Alkaline cell with graft polymer separator |
| JPS596469B2 (ja) * | 1979-02-05 | 1984-02-10 | 日本原子力研究所 | 寸法安定性のすぐれた電池用隔膜の製造法 |
| JPS567351A (en) * | 1979-06-29 | 1981-01-26 | Matsushita Electric Ind Co Ltd | Separator for cell |
| CA1177534A (en) * | 1980-11-26 | 1984-11-06 | John E. Bennett | Rechargeable lithium/sulfur ammoniate battery |
| US4374186A (en) * | 1981-04-29 | 1983-02-15 | The United States Of America As Represented By The Secretary Of The Navy | Polymer packaged cell in a sack |
| US4414090A (en) * | 1981-10-01 | 1983-11-08 | Rai Research Corporation | Separator membranes for redox-type electrochemical cells |
| US4629666A (en) * | 1985-11-22 | 1986-12-16 | Duracell Inc. | Separators for electrochemical cells |
-
1986
- 1986-09-29 US US06/912,980 patent/US4740433A/en not_active Expired - Lifetime
-
1987
- 1987-09-15 CA CA000546913A patent/CA1306283C/en not_active Expired - Lifetime
- 1987-09-21 DE DE8787308322T patent/DE3783848T2/de not_active Expired - Fee Related
- 1987-09-21 EP EP87308322A patent/EP0262846B1/en not_active Expired - Lifetime
- 1987-09-29 JP JP62242869A patent/JPS6388750A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4740433A (en) | 1988-04-26 |
| JPH0456424B2 (OSRAM) | 1992-09-08 |
| CA1306283C (en) | 1992-08-11 |
| DE3783848D1 (de) | 1993-03-11 |
| EP0262846B1 (en) | 1993-01-27 |
| EP0262846A2 (en) | 1988-04-06 |
| EP0262846A3 (en) | 1989-03-22 |
| JPS6388750A (ja) | 1988-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN |
|
| 8339 | Ceased/non-payment of the annual fee |