GB1364283A - Lead-acid cell - Google Patents
Lead-acid cellInfo
- Publication number
- GB1364283A GB1364283A GB3614271A GB3614271A GB1364283A GB 1364283 A GB1364283 A GB 1364283A GB 3614271 A GB3614271 A GB 3614271A GB 3614271 A GB3614271 A GB 3614271A GB 1364283 A GB1364283 A GB 1364283A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- lead
- separator
- oxygen
- positive
- 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
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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/68—Selection of materials for use in lead-acid accumulators
- H01M4/685—Lead alloys
-
- 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
- H01M10/34—Gastight accumulators
- H01M10/342—Gastight lead accumulators
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/68—Selection of materials for use in lead-acid accumulators
-
- 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
- H01M50/431—Inorganic material
- H01M50/434—Ceramics
- H01M50/437—Glass
-
- 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
- H01M50/44—Fibrous material
-
- 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
-
- 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
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6222770A | 1970-08-03 | 1970-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1364283A true GB1364283A (en) | 1974-08-21 |
Family
ID=22041039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3614271A Expired GB1364283A (en) | 1970-08-03 | 1971-08-02 | Lead-acid cell |
Country Status (9)
Country | Link |
---|---|
US (1) | US3862861A (de) |
JP (1) | JPS5240012B1 (de) |
BR (1) | BR7104863D0 (de) |
CA (2) | CA1009301A (de) |
DE (1) | DE2137908B2 (de) |
FR (1) | FR2101193B1 (de) |
GB (1) | GB1364283A (de) |
HK (1) | HK29478A (de) |
SE (1) | SE416008B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024407B1 (de) * | 1979-03-07 | 1984-10-24 | Chloride Group Public Limited Company | Elektrische blei-säure-batterien |
US6120939A (en) * | 1998-01-13 | 2000-09-19 | Daramic, Inc. | Meltblown fiber battery separator |
Families Citing this family (96)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4943132A (de) * | 1972-08-31 | 1974-04-23 | ||
US4064725A (en) * | 1976-10-18 | 1977-12-27 | The Gates Rubber Company | Apparatus for making spirally wound electrochemical cells |
JPS5354752A (en) * | 1976-10-29 | 1978-05-18 | Japan Storage Battery Co Ltd | Spirally sealed lead battery |
US4304270A (en) * | 1977-01-07 | 1981-12-08 | Matsushita Electric Industrial Co., Ltd. | Process for manufacturing of battery plates |
NL176893C (nl) * | 1977-03-03 | 1985-06-17 | Philips Nv | Herlaadbare, van de omringende atmosfeer afgesloten elektrochemische cel en werkwijzen voor de vervaardiging van dergelijke cellen. |
US4099401A (en) * | 1977-06-27 | 1978-07-11 | The Gates Rubber Company | Method of producing spirally wound electrochemical cells |
US4121019A (en) * | 1977-07-20 | 1978-10-17 | Garrett Plante Corporation | Lead-acid storage battery |
JPS5445755A (en) * | 1977-09-19 | 1979-04-11 | Yuasa Battery Co Ltd | Separator for storage battery |
US4121017A (en) * | 1977-10-25 | 1978-10-17 | Globe-Union Inc. | Portable rechargeable lead-acid battery |
US4322484A (en) * | 1978-09-05 | 1982-03-30 | General Electric Company | Spiral wound electrochemical cell having high capacity |
CA1133984A (en) * | 1979-03-12 | 1982-10-19 | Stephen E. Gross | Separator for starved electrolyte lead/acid battery |
US4233379A (en) * | 1979-05-17 | 1980-11-11 | Johns-Manville Corporation | Separator for starved electrolyte lead/acid battery |
WO1980002472A1 (en) * | 1979-05-09 | 1980-11-13 | Chloride Group Ltd | Electric storage batteries |
US4373015A (en) * | 1979-05-09 | 1983-02-08 | Chloride Group Limited | Electric storage batteries |
WO1980002473A1 (en) * | 1979-05-09 | 1980-11-13 | Chloride Group Ltd | Electric storage batteries |
AU5992280A (en) * | 1979-05-09 | 1980-11-20 | Chloride Group Ltd. | Electric storage bateries |
US4295029A (en) * | 1979-05-29 | 1981-10-13 | The Gates Rubber Company | Battery strap connection welding method |
WO1981001075A1 (en) * | 1979-10-08 | 1981-04-16 | Chloride Group Ltd | Electric storage batteries |
US4262068A (en) * | 1980-01-23 | 1981-04-14 | Yuasa Battery Company Limited | Sealed lead-acid battery |
WO1981002368A1 (en) * | 1980-02-04 | 1981-08-20 | Johns Manville | Separator with improved tensile strength for starved electrolyte lead/acid battery |
JPS57500627A (de) * | 1980-05-12 | 1982-04-08 | ||
US4401730A (en) * | 1980-10-03 | 1983-08-30 | Gnb Batteries Inc. | Sealed deep cycle lead acid battery |
CA1179013A (en) * | 1980-10-03 | 1984-12-04 | Purushothama Rao | Sealed, maintenance-free, lead-acid batteries for float applications |
JPS5772275A (en) * | 1980-10-21 | 1982-05-06 | Yuasa Battery Co Ltd | Sealed lead battery and its manufacture |
US4346151A (en) * | 1980-12-29 | 1982-08-24 | The Gates Rubber Company | Multicell sealed rechargeable battery |
US4383011A (en) * | 1980-12-29 | 1983-05-10 | The Gates Rubber Company | Multicell recombining lead-acid battery |
US4421832A (en) * | 1981-08-24 | 1983-12-20 | The Gates Rubber Company | Electrochemical cell |
US4473623A (en) * | 1981-12-28 | 1984-09-25 | Sanyo Electric Co., Ltd. | Lead acid battery and method of storing it |
ZA832713B (en) * | 1982-04-20 | 1984-08-29 | Evans Adlard & Co | Glass fibre paper separator for electrochemical cells |
US4414295A (en) * | 1982-05-06 | 1983-11-08 | Gates Energy Products, Inc. | Battery separator |
GB2129192B (en) * | 1982-10-29 | 1985-10-16 | Chloride Group Plc | Manufacturing recombination electric storage cells |
US4592972A (en) * | 1983-07-22 | 1986-06-03 | Gates Energy Products, Inc. | Vibration-resistant battery assembly |
US4648177A (en) * | 1983-10-21 | 1987-03-10 | Gates Energy Products, Inc. | Method for producing a sealed lead-acid cell |
US4637966A (en) * | 1983-10-21 | 1987-01-20 | Gates Energy Products, Inc. | Sealed lead-acid cell |
JPS6091572A (ja) * | 1983-10-24 | 1985-05-22 | Yuasa Battery Co Ltd | 密閉形鉛蓄電池 |
EP0214981A1 (de) * | 1984-05-07 | 1987-03-25 | Erik Sundberg | Verriegelter elektrischer akkumulator und herstellungsverfahren von dessen teilen |
EP0162996A1 (de) * | 1984-05-30 | 1985-12-04 | Tudor AB | Sauerstoffrekombinationsvorrichtungen enthaltende Bleisäurebatteriekonstruktion |
US4629622A (en) * | 1984-07-27 | 1986-12-16 | Japan Storage Battery Company Limited | Sealed lead-acid battery |
DE3521200A1 (de) * | 1985-06-13 | 1986-12-18 | Otto 6470 Büdingen Jache | Bleiakkumulator mit einem thixotropen gel als elektrolyt und verfahren zu seiner herstellung |
US4769299A (en) * | 1986-06-27 | 1988-09-06 | Gates Energy Products, Inc. | High rate sealed lead-acid battery with ultrathin plates |
DE3624378A1 (de) * | 1986-07-18 | 1988-01-28 | Varta Batterie | Separatorvlies fuer wartungsfreie bleiakkumulatoren mit festgelegtem elektrolyten |
US4908282A (en) * | 1986-11-12 | 1990-03-13 | Hollingsworth And Vose Company | Recombinant battery and plate separator therefor |
JPH0821418B2 (ja) * | 1987-06-29 | 1996-03-04 | 松下電器産業株式会社 | 鉛蓄電池 |
IT1211470B (it) * | 1987-07-21 | 1989-11-03 | Magneti Marelli Spa | Accumulatore al piombo a ricombinazione di gas |
US4788112A (en) * | 1987-08-17 | 1988-11-29 | Kung Chin Chung | Rechargeable storage battery |
US4780379A (en) * | 1987-10-06 | 1988-10-25 | Gates Energy Products, Inc. | Multicell recombinant lead-acid battery with vibration resistant intercell connector |
US4871428A (en) * | 1988-03-24 | 1989-10-03 | C & D Charter Power Systems, Inc. | Method for in situ forming lead-acid batteries having absorbent separators |
US4873157A (en) * | 1988-07-05 | 1989-10-10 | East Penn Manufacturing Co., Inc. | Recombinant electric storage battery |
JPH0261789U (de) * | 1988-10-31 | 1990-05-08 | ||
US5001025A (en) * | 1989-06-05 | 1991-03-19 | Sealed Energy Systems, Inc. | Method for electrochemically treating battery plate stock and related product |
CA2211518C (en) * | 1989-06-14 | 2003-02-04 | Tristan E. Juergens | Ultra-thin plate electrochemical cell and method of manufacture |
US5047300A (en) * | 1989-06-14 | 1991-09-10 | Bolder Battery, Inc. | Ultra-thin plate electrochemical cell |
US5132176A (en) * | 1990-05-03 | 1992-07-21 | Gnb Industrial Battery Company | Battery state of charge indicator |
US5128600A (en) * | 1990-12-17 | 1992-07-07 | Hughes Aircraft Company | Method for removing excess electrolyte from a nickel-cadmium cell |
US5250372A (en) * | 1991-08-21 | 1993-10-05 | General Motors Corporation | Separator for mat-immobilized-electrolyte battery |
US5240468A (en) * | 1991-08-21 | 1993-08-31 | General Motors Corporation | Method of making a mat-immobilized-electrolyte battery |
US5851695A (en) * | 1992-02-10 | 1998-12-22 | C & D Technologies, Inc. | Recombinant lead-acid cell and long life battery |
AU4922393A (en) * | 1992-09-16 | 1994-04-12 | Bolder Battery, Inc. | Thin lead film rolling apparatus and method |
US5409787A (en) * | 1993-02-17 | 1995-04-25 | Electrosource, Inc. | Battery plate compression cage assembly |
DE19702757C2 (de) * | 1997-01-27 | 1999-11-25 | Daramic Inc | Separator für Bleiakkumulatoren sowie dessen Verwendung |
JP3242878B2 (ja) * | 1998-03-23 | 2001-12-25 | 日本碍子株式会社 | リチウム二次電池 |
US6242127B1 (en) | 1999-08-06 | 2001-06-05 | Microporous Products, L.P. | Polyethylene separator for energy storage cell |
DE10107583A1 (de) * | 2001-02-17 | 2002-08-29 | Vb Autobatterie Gmbh | Verfahren zur Bestimmung der Leistungsfähigkeit einer Speicherbatterie |
US6703161B2 (en) | 2001-09-20 | 2004-03-09 | Daramic, Inc. | Multilayer separator for lead-acid batteries |
CN1298067C (zh) * | 2001-11-06 | 2007-01-31 | 株式会社杰士汤浅 | 铅蓄电池 |
WO2003067684A2 (en) * | 2002-02-07 | 2003-08-14 | Kvg Technologies, Inc. | Lead acid battery with gelled electrolyte formed by filtration action of absorbent separators, electrolyte therefor, and absorbent separators therefor |
US20030215706A1 (en) * | 2002-05-17 | 2003-11-20 | Alcatel | Current collection through the ends of a spirally wound electrochemical cell by the use of a wound wire |
US20040247995A1 (en) * | 2003-06-09 | 2004-12-09 | Devitt John L. | Electrical storage battery |
US20120100425A1 (en) | 2004-01-16 | 2012-04-26 | Stauffer John E | Lead alkaline battery |
US20050153203A1 (en) * | 2004-01-13 | 2005-07-14 | Stauffer John E. | Lead-zinc battery |
US7947391B2 (en) * | 2004-01-13 | 2011-05-24 | Stauffer John E | Lead-alkaline battery |
US20100047697A1 (en) | 2004-01-13 | 2010-02-25 | Stauffer John E | Lead-zinc battery |
US20130252083A1 (en) | 2004-01-13 | 2013-09-26 | John E. Stauffer | Lead-zinc battery |
US20090181312A1 (en) * | 2004-01-13 | 2009-07-16 | Stauffer John E | Lead-alkaline battery |
ES2344060T3 (es) | 2004-04-05 | 2010-08-17 | Exide Technologies, S.A. | Bateria de plomo-acido con separador de microfibra que tiene caracteristicas de absorcion mejoradas. |
KR100614367B1 (ko) * | 2004-10-28 | 2006-08-21 | 삼성에스디아이 주식회사 | 이차 전지 |
JP4899467B2 (ja) * | 2005-12-21 | 2012-03-21 | 新神戸電機株式会社 | 鉛蓄電池 |
US7550231B2 (en) * | 2006-10-12 | 2009-06-23 | Stauffer John E | Tin-zinc secondary battery |
US8722231B2 (en) * | 2006-11-14 | 2014-05-13 | Mp Assets Corporation | Smart battery separators |
KR100814878B1 (ko) * | 2006-11-17 | 2008-03-20 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
US8389149B2 (en) * | 2008-08-08 | 2013-03-05 | Mp Assets Corporation | Smart battery separators |
DE102008062765A1 (de) * | 2008-12-18 | 2010-07-01 | Vb Autobatterie Gmbh & Co. Kgaa | Textiles flächiges Material für eine Batterieelektrode |
KR101827528B1 (ko) | 2009-02-26 | 2018-02-09 | 존슨 컨트롤스 테크놀러지 컴퍼니 | 배터리 전극 및 배터리 전극을 제조하는 방법 |
KR101050318B1 (ko) * | 2009-04-16 | 2011-07-19 | 에스비리모티브 주식회사 | 이차 전지 모듈 |
WO2011130514A1 (en) | 2010-04-14 | 2011-10-20 | Johnson Controls Technology Company | Battery, battery plate assembly, and method of assembly |
US9748578B2 (en) | 2010-04-14 | 2017-08-29 | Johnson Controls Technology Company | Battery and battery plate assembly |
JP5727618B2 (ja) | 2010-11-10 | 2015-06-03 | エピック ベンチャーズ インコーポレイテッドEpic Ventures Inc. | 格子内に保持した活物質を有する鉛酸セル |
DE112012001147T5 (de) * | 2011-03-08 | 2013-11-28 | Gs Yuasa International Ltd. | Flüssigbleiakkumulator und Batteriesystem |
US9923242B2 (en) | 2014-01-23 | 2018-03-20 | John E. Stauffer | Lithium bromide battery |
CA2952434C (en) * | 2014-06-17 | 2023-08-22 | Ocv Intellectual Capital, Llc | Anti-sulphation pasting mats for lead-acid batteries |
DK3158601T3 (da) | 2014-06-17 | 2021-04-19 | Ocv Intellectual Capital Llc | Vandtabsreducerende klæbemåtter til blyakkumulatorer |
US9509017B2 (en) | 2014-07-22 | 2016-11-29 | John E. Stauffer | Lithium storage battery |
US9666898B2 (en) | 2014-07-22 | 2017-05-30 | John E. Stauffer | Storage battery using a uniform mix of conductive and nonconductive granules in a lithium bromide electrolyte |
CN117393868A (zh) | 2017-06-09 | 2024-01-12 | Cps 科技控股有限公司 | 铅酸电池 |
US11936032B2 (en) | 2017-06-09 | 2024-03-19 | Cps Technology Holdings Llc | Absorbent glass mat battery |
WO2021067774A1 (en) | 2019-10-04 | 2021-04-08 | Cps Technology Holdings Llc | Spiral wound battery & cell with carbonised fiber mat current collector |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2487499A (en) * | 1947-11-05 | 1949-11-08 | Chrysler Corp | Spirally wound storage cell |
US2694628A (en) * | 1951-07-14 | 1954-11-16 | Nat Lead Co | Grid metal alloy |
FR1343759A (fr) * | 1962-10-13 | 1963-11-22 | Accumulateurs Fixes | Perfectionnements aux accumulateurs et autres générateurs électrochimiques ou cellules électrolytiques |
US3537902A (en) * | 1964-10-29 | 1970-11-03 | Yuasa Batttery Co Ltd | Semi-sealed type storage battery |
US3402077A (en) * | 1964-12-19 | 1968-09-17 | Japan Storage Battery Co Ltd | Storage batteries and method of manufacturing the same |
US3257237A (en) * | 1965-03-04 | 1966-06-21 | Accumulatornefabrik Sonnensche | Lead acid type storage battery |
US3310438A (en) * | 1966-02-17 | 1967-03-21 | St Joseph Lead Co | Dispersion strengthened lead battery grids |
US3447969A (en) * | 1966-11-17 | 1969-06-03 | Us Navy | Storage battery improvement |
US3433673A (en) * | 1967-08-29 | 1969-03-18 | Esb Inc | Battery electrode having thin deposit of meta-dinitrobenzene on graphite fabric and a method for making it |
US3494800A (en) * | 1968-04-08 | 1970-02-10 | Mark Shoeld | Method of making lead acid storage battery |
CA927912A (en) * | 1968-05-30 | 1973-06-05 | Ichimura Hideyuki | Electrode for a lead storage battery comprising an electrolytically etched and reduced lead-silver alloy plate |
-
1971
- 1971-07-27 CA CA119,188A patent/CA1009301A/en not_active Expired
- 1971-07-29 DE DE2137908A patent/DE2137908B2/de not_active Ceased
- 1971-07-30 BR BR4863/71A patent/BR7104863D0/pt unknown
- 1971-07-31 JP JP46057910A patent/JPS5240012B1/ja active Pending
- 1971-08-02 SE SE7109853A patent/SE416008B/sv unknown
- 1971-08-02 FR FR7128235A patent/FR2101193B1/fr not_active Expired
- 1971-08-02 GB GB3614271A patent/GB1364283A/en not_active Expired
-
1972
- 1972-05-30 US US257719A patent/US3862861A/en not_active Expired - Lifetime
-
1976
- 1976-12-29 CA CA268,770A patent/CA1030214A/en not_active Expired
-
1978
- 1978-06-15 HK HK294/78A patent/HK29478A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024407B1 (de) * | 1979-03-07 | 1984-10-24 | Chloride Group Public Limited Company | Elektrische blei-säure-batterien |
US6120939A (en) * | 1998-01-13 | 2000-09-19 | Daramic, Inc. | Meltblown fiber battery separator |
Also Published As
Publication number | Publication date |
---|---|
US3862861A (en) | 1975-01-28 |
SE416008B (sv) | 1980-11-17 |
CA1009301A (en) | 1977-04-26 |
HK29478A (en) | 1978-06-23 |
FR2101193A1 (de) | 1972-03-31 |
JPS474222A (de) | 1972-03-01 |
DE2137908A1 (de) | 1972-02-10 |
US3862861B1 (de) | 1987-04-07 |
DE2137908B2 (de) | 1974-11-07 |
JPS5240012B1 (de) | 1977-10-08 |
BR7104863D0 (pt) | 1973-05-31 |
FR2101193B1 (de) | 1976-03-26 |
CA1030214A (en) | 1978-04-25 |
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Legal Events
Date | Code | Title | Description |
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PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |