FR2489744B3 - - Google Patents

Info

Publication number
FR2489744B3
FR2489744B3 FR8019605A FR8019605A FR2489744B3 FR 2489744 B3 FR2489744 B3 FR 2489744B3 FR 8019605 A FR8019605 A FR 8019605A FR 8019605 A FR8019605 A FR 8019605A FR 2489744 B3 FR2489744 B3 FR 2489744B3
Authority
FR
France
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
Application number
FR8019605A
Other languages
French (fr)
Other versions
FR2489744A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evans Products Co
Original Assignee
Evans Products Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Evans Products Co filed Critical Evans Products Co
Publication of FR2489744A1 publication Critical patent/FR2489744A1/fr
Application granted granted Critical
Publication of FR2489744B3 publication Critical patent/FR2489744B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/148—Organic/inorganic mixed matrix membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • H01M50/417—Polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0421—Rendering the filter material hydrophilic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1241—Particle diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/20—Plasticizers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0544—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being aqueous
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • 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
    • H01M50/494—Tensile strength
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/17—Molding a foam containing a filler

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR8019605A 1979-02-13 1980-09-11 Procede de fabrication d'une matiere en feuille microporeuse Granted FR2489744A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/011,900 US4237083A (en) 1979-02-13 1979-02-13 Process of manufacturing a microporous sheet material

Publications (2)

Publication Number Publication Date
FR2489744A1 FR2489744A1 (fr) 1982-03-12
FR2489744B3 true FR2489744B3 (ref) 1983-06-10

Family

ID=21752440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019605A Granted FR2489744A1 (fr) 1979-02-13 1980-09-11 Procede de fabrication d'une matiere en feuille microporeuse

Country Status (4)

Country Link
US (1) US4237083A (ref)
DE (1) DE3033355A1 (ref)
FR (1) FR2489744A1 (ref)
GB (1) GB2083823B (ref)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550123A (en) * 1979-12-28 1985-10-29 Albany International Corp. Thermally plastifiable compositions for microporous sorbent structure
DE3032552A1 (de) * 1980-08-29 1982-04-29 Varta Batterie Ag, 3000 Hannover Verfahren zur herstellung einer elektrochemischen hochtemperaturzelle
DE3141672A1 (de) * 1981-10-21 1983-05-05 Bayer Ag, 5090 Leverkusen Semipermeable membranen
DE3222361C2 (de) * 1982-06-14 1985-03-28 Grace Gmbh, 2000 Norderstedt Scheider für Blei-Bleidioxid-Akkumulatoren und Verfahren zu deren Herstellung
CA1226112A (en) * 1982-09-09 1987-09-01 Minnesota Mining And Manufacturing Company Microporous sheet material, method of making and articles made therewith
EP0112614A3 (en) * 1982-09-30 1985-05-08 McNeilab, Inc. Semipermeable membranes and method of making the same
US4778601A (en) * 1984-10-09 1988-10-18 Millipore Corporation Microporous membranes of ultrahigh molecular weight polyethylene
CA1233621A (en) * 1984-12-28 1988-03-08 Harlan B. Johnson Battery separator
DE3545615C3 (de) * 1984-12-28 1996-11-21 Ppg Industries Inc Verwendung von amorphem gefälltem Siliziumdioxid zum Verstärken von mikroporösen Trennelementen für Batterien
US4681750A (en) * 1985-07-29 1987-07-21 Ppg Industries, Inc. Preparation of amorphous, precipitated silica and siliceous filler-reinforced microporous polymeric separator
EP0261881A3 (en) * 1986-09-18 1989-06-07 Tiegel Manufacturing Company Enveloping a battery plate by a dip process
US5009971A (en) * 1987-03-13 1991-04-23 Ppg Industries, Inc. Gas recombinant separator
DE3876669T2 (de) * 1987-04-24 1993-07-01 Ppg Industries Inc Verstrecktes mikroporoeses material.
US4833172A (en) * 1987-04-24 1989-05-23 Ppg Industries, Inc. Stretched microporous material
US4861644A (en) * 1987-04-24 1989-08-29 Ppg Industries, Inc. Printed microporous material
DE3869650D1 (de) * 1987-04-24 1992-05-07 Ppg Industries Inc Bedrucktes mikroporoeses material.
US4959208A (en) * 1987-10-19 1990-09-25 Ppg Industries, Inc. Active agent delivery device
US5035886A (en) * 1987-10-19 1991-07-30 Ppg Industries, Inc. Active agent delivery device
US4927802A (en) * 1988-12-09 1990-05-22 Ppg Industries, Inc. Pressure-sensitive multi-part record unit
US5022990A (en) * 1989-01-12 1991-06-11 Asahi Kasei Kogyo Kabushiki Kaisha Polyvinylidene fluoride porous membrane and a method for producing the same
US5047283A (en) * 1989-09-20 1991-09-10 Ppg Industries, Inc. Electrically conductive article
US5102917A (en) * 1990-09-14 1992-04-07 Cpc Engineering Corporation Porous polysulfone media suitable for filtration
US5196262A (en) * 1990-10-10 1993-03-23 Ppg Industries, Inc. Microporous material
DE69320927T2 (de) * 1992-12-21 1999-02-18 Mitsubishi Chemical Corp., Tokio/Tokyo Poröse(r) Film oder Folie, Batterie-Separator und Lithium-Batterie
JPH10501008A (ja) * 1994-05-19 1998-01-27 ミネソタ マイニング アンド マニュファクチャリング カンパニー Ｑ良された親水性を有するポリマー物品およびその製造方法
DE19526476A1 (de) * 1995-07-20 1997-01-23 Degussa Fällungskieselsäure
DE19527278A1 (de) * 1995-07-26 1997-01-30 Degussa Fällungskieselsäure
US5759678A (en) * 1995-10-05 1998-06-02 Mitsubishi Chemical Corporation High-strength porous film and process for producing the same
US5605569A (en) * 1995-11-08 1997-02-25 Ppg Industries, Inc. Precipitated silica having high sodium sulfate content
KR100342941B1 (ko) * 1996-05-31 2002-08-22 피피지 인더스트리즈 오하이오 인코포레이티드 무정형의침전된실리카
CN1115295C (zh) * 1996-05-31 2003-07-23 Ppg工业俄亥俄公司 非晶形沉淀氧化硅
US5948464A (en) * 1996-06-19 1999-09-07 Imra America, Inc. Process of manufacturing porous separator for electrochemical power supply
US5948557A (en) * 1996-10-18 1999-09-07 Ppg Industries, Inc. Very thin microporous material
US6342320B2 (en) * 1997-04-23 2002-01-29 Valence Technology, Inc. Electrochemically stable plasticizer
US5882721A (en) * 1997-05-01 1999-03-16 Imra America Inc Process of manufacturing porous separator for electrochemical power supply
EP0940427A1 (en) * 1998-03-06 1999-09-08 Imation Corp. Method of preparing a microporous film, and image accepting member
US6148503A (en) * 1999-03-31 2000-11-21 Imra America, Inc. Process of manufacturing porous separator for electrochemical power supply
US6316142B1 (en) 1999-03-31 2001-11-13 Imra America, Inc. Electrode containing a polymeric binder material, method of formation thereof and electrochemical cell
US6242127B1 (en) 1999-08-06 2001-06-05 Microporous Products, L.P. Polyethylene separator for energy storage cell
US6939451B2 (en) * 2000-09-19 2005-09-06 Aclara Biosciences, Inc. Microfluidic chip having integrated electrodes
ES2306756T3 (es) * 2001-03-06 2008-11-16 Asahi Kasei Chemicals Corporation Metodo para la produccion de membranas de fibras huecas.
AU2003259290A1 (en) 2002-07-29 2004-02-16 Evanite Fiber Corporation Glass compositions
US7144633B2 (en) * 2002-07-29 2006-12-05 Evanite Fiber Corporation Glass compositions
US7998579B2 (en) 2002-08-12 2011-08-16 Exxonmobil Chemical Patents Inc. Polypropylene based fibers and nonwovens
US7271209B2 (en) 2002-08-12 2007-09-18 Exxonmobil Chemical Patents Inc. Fibers and nonwovens from plasticized polyolefin compositions
CA2492839C (en) 2002-08-12 2011-02-01 Exxonmobil Chemical Patents Inc. Plasticized polyolefin compositions
US7531594B2 (en) 2002-08-12 2009-05-12 Exxonmobil Chemical Patents Inc. Articles from plasticized polyolefin compositions
US7622523B2 (en) 2002-08-12 2009-11-24 Exxonmobil Chemical Patents Inc. Plasticized polyolefin compositions
US8003725B2 (en) 2002-08-12 2011-08-23 Exxonmobil Chemical Patents Inc. Plasticized hetero-phase polyolefin blends
US20040062903A1 (en) * 2002-09-26 2004-04-01 Evans Paul D. Floor covering with a reinforced foam backing
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
US7445735B2 (en) * 2004-12-07 2008-11-04 Daramic Llc Method of making microporous material
US8389615B2 (en) 2004-12-17 2013-03-05 Exxonmobil Chemical Patents Inc. Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin
US20060225615A1 (en) * 2005-04-11 2006-10-12 Raman Narayan K Treated filler and process and producing
ES2693982T3 (es) * 2005-04-11 2018-12-17 Ppg Industries Ohio, Inc. Carga tratada y proceso para su producción
US20060229386A1 (en) * 2005-04-11 2006-10-12 Raman Narayan K Treated filler and process for producing
US20060228632A1 (en) * 2005-04-11 2006-10-12 Boyer James L Treated filler and process for producing
GB2425506B (en) * 2005-04-26 2010-11-10 Pvaxx Res & Dev Ltd Load carrying apparatus and method of manufacture
EP1885407A1 (en) * 2005-06-02 2008-02-13 Givaudan SA Volatile liquid dispensing apparatus
CN101218296B (zh) 2005-07-15 2010-12-08 埃克森美孚化学专利公司 弹性体组合物
CN101505807A (zh) * 2006-08-24 2009-08-12 吉万奥丹股份有限公司 挥发性物质分配装置
US8460591B2 (en) * 2010-03-23 2013-06-11 GM Global Technology Operations LLC Porous membranes and methods of making the same
LU92934B1 (en) * 2015-12-24 2017-07-21 Hurrah Sarl Porous membrane and method of production thereof
CN109155382B (zh) * 2016-04-08 2022-05-13 达拉米克有限责任公司 用于增强型富液式电池的改进的隔板、电池及相关方法

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US3228896A (en) * 1961-05-16 1966-01-11 Phillips Petroleum Co Method of making microporous polyolefin articles and product therefrom
GB1044028A (en) * 1962-07-24 1966-09-28 Grace W R & Co Improvements relating to filled polyolefine
GB1044502A (en) * 1964-03-23 1966-10-05 Grace W R & Co Stretched polyolefin compositions
US3351495A (en) * 1966-11-22 1967-11-07 Grace W R & Co Battery separator
US3536796A (en) * 1967-11-29 1970-10-27 Grace W R & Co Process for reducing shrinkage in preparing porous plastic sheet
US3931067A (en) * 1974-08-16 1976-01-06 Amerace Corporation Hydrophobic microporous materials and process for producing same
US4024323A (en) * 1975-02-06 1977-05-17 Evans Products Company Battery separator

Also Published As

Publication number Publication date
DE3033355A1 (de) 1982-04-29
GB2083823B (en) 1984-03-07
FR2489744A1 (fr) 1982-03-12
GB2083823A (en) 1982-03-31
US4237083A (en) 1980-12-02

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)
ST Notification of lapse