ATE199064T1 - Kastenfilter - Google Patents

Kastenfilter

Info

Publication number
ATE199064T1
ATE199064T1 AT94920296T AT94920296T ATE199064T1 AT E199064 T1 ATE199064 T1 AT E199064T1 AT 94920296 T AT94920296 T AT 94920296T AT 94920296 T AT94920296 T AT 94920296T AT E199064 T1 ATE199064 T1 AT E199064T1
Authority
AT
Austria
Prior art keywords
filter
pair
housing
fluid chamber
box
Prior art date
Application number
AT94920296T
Other languages
English (en)
Inventor
Michael R Spearman
Original Assignee
Porous Media Corp
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 Porous Media Corp filed Critical Porous Media Corp
Application granted granted Critical
Publication of ATE199064T1 publication Critical patent/ATE199064T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/012—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0012—In-line filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
    • B29C66/12821—Stepped joint cross-sections comprising at least one overlap joint-segment comprising at least two overlap joint-segments
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B01D2271/027—Radial sealings
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/14—Filters
    • 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
    • Y10S264/48—Processes of making filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Air Bags (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
AT94920296T 1993-06-24 1994-06-22 Kastenfilter ATE199064T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/083,076 US5376270A (en) 1993-06-24 1993-06-24 Box filter
PCT/US1994/007022 WO1995000225A1 (en) 1993-06-24 1994-06-22 Box filter

Publications (1)

Publication Number Publication Date
ATE199064T1 true ATE199064T1 (de) 2001-02-15

Family

ID=22176019

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94920296T ATE199064T1 (de) 1993-06-24 1994-06-22 Kastenfilter

Country Status (7)

Country Link
US (3) US5376270A (de)
EP (1) EP0705131B1 (de)
AT (1) ATE199064T1 (de)
AU (1) AU7114794A (de)
CA (1) CA2163978C (de)
DE (1) DE69426672D1 (de)
WO (1) WO1995000225A1 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5376270A (en) * 1993-06-24 1994-12-27 Porous Media Corporation Box filter
US5512172A (en) * 1994-06-10 1996-04-30 Racal Filter Technologies, Ltd. Method for sealing the edge of a filter medium to a filter assembly and the filter assembly produced thereby
DE4430333C2 (de) * 1994-08-29 2000-02-17 Mann & Hummel Filter Filter
USD373637S (en) 1995-05-08 1996-09-10 Porous Media Corporation Box filter
CA2177442A1 (en) * 1995-05-29 1996-11-30 Massimo Fini Cardiotomy reservoir with internal filter
US5676778A (en) * 1995-09-05 1997-10-14 The Racal Corporation Canada Inc. Method of manufacturing a filter assembly and the filter assembly produced thereby
GB9704241D0 (en) * 1997-02-28 1997-04-16 Smiths Industries Plc Gas-treatment devices
DE19736290B4 (de) * 1997-08-21 2007-03-29 Carl Freudenberg Kg Verfahren zur Herstellung einer Filteranordnung
ATE211941T1 (de) * 1997-10-31 2002-02-15 Clinix Gmbh Filterelement mit filterelementaufnahme
US6207053B1 (en) * 1998-03-12 2001-03-27 Celgard Inc. Thermoplastic, unibody transfer device
US6375700B1 (en) 2000-06-23 2002-04-23 Nelson Industries, Inc. Direct flow filter
US6482247B2 (en) 2000-06-23 2002-11-19 Nelson Industries, Inc. Multi-panel fluid filter with equalized contaminant passages
US6511599B2 (en) 2000-12-18 2003-01-28 Nelson Industries, Inc. Multi-element cylindrical filter with equalized flow
US6464745B2 (en) 2001-01-26 2002-10-15 Freudenberg Nonwovens Limited Partnership Minipleat synthetic air filter assembly
DE10131422C2 (de) * 2001-06-29 2003-05-08 Sandler Helmut Helsa Werke Filterelement mit einem plissierten Filterpack
US6652613B2 (en) * 2001-10-09 2003-11-25 Carrier Corporation Expandable media filter with flexible spacing ribbons
US6599343B2 (en) * 2001-10-09 2003-07-29 Carrier Corporation Method and apparatus for assembling an expandable and disposable media filter
US6814773B2 (en) * 2001-10-09 2004-11-09 Carrier Corporation Expandable media filter assembly
US6592643B2 (en) * 2001-10-09 2003-07-15 Carrier Corporation Method and apparatus for assembling an expandable media filter
PL367425A1 (en) * 2001-10-09 2005-02-21 Carrier Corporation Expandable and disposable media filter
US6740136B2 (en) * 2001-10-12 2004-05-25 3M Innovative Properties Company Interconnected filter frame and filter framing method
US7473360B2 (en) * 2002-03-26 2009-01-06 Pall Corporation Length-adjustable filter cartridge end caps, filter cartridges employing, and methods of making, the same
NL1021570C2 (nl) * 2002-10-01 2004-04-02 Altena Services B V Behuizing voor gasbehandelende componenten en paneel ten gebruike in een dergelijke behuizing.
EP1493478B1 (de) * 2003-07-02 2007-04-04 Filtertek Inc. Halterung mit mehreren Brücken
DE10333185A1 (de) * 2003-07-22 2005-02-24 Robert Bosch Gmbh Flacher Kraftstofffilter
US7048773B2 (en) * 2003-08-04 2006-05-23 Riedel Steve D Universal vacuum filter cartridge
US7141101B2 (en) * 2004-06-17 2006-11-28 Home Health Medical Equipment Incorporated Filter assembly with noise attenuation
US20060021932A1 (en) * 2004-07-26 2006-02-02 Darnell Justin R Integrated flat panel filter and housing
EP2279782B1 (de) 2004-12-23 2014-08-13 EMD Millipore Corporation Filterpatrone
DE102005004287B4 (de) * 2005-01-28 2013-06-13 Mann + Hummel Gmbh Ölfiltereinheit
US7959699B2 (en) 2007-09-20 2011-06-14 Lennox Industries Inc. Collapsible filter with folding arms
US8182571B2 (en) * 2007-12-11 2012-05-22 Lennox Industries Inc. Frame for receiving a filter element and method for providing
US7833308B2 (en) * 2008-01-30 2010-11-16 Home Health Medical Equipment, Inc. Filter assembly with multiple inlets and multiple filter members
EP2332630A1 (de) * 2009-11-18 2011-06-15 Covidien AG Filter für einen Atemkreislauf
JP5609237B2 (ja) * 2010-04-26 2014-10-22 トヨタ紡織株式会社 自動変速機用流体フィルタ
CA2796430C (en) 2010-04-30 2016-01-05 Diversitech Corporation Three-dimensional filter
JP5857574B2 (ja) * 2011-09-17 2016-02-10 株式会社ジェイ・エム・エス 血液フィルタ装置および血液フィルタ装置製造方法
WO2013052091A1 (en) * 2011-10-03 2013-04-11 Entegris, Inc. Modular filtration system
CN103084017A (zh) * 2011-11-08 2013-05-08 昆山纬华电子科技有限公司 空气过滤器送风口结构
EP2703057A3 (de) * 2012-09-03 2016-04-13 Carl Freudenberg KG Fluidreiniger
EP2904300A1 (de) 2012-10-01 2015-08-12 Entegris, Inc. Verbindungssystem und verfahren
JP6350241B2 (ja) * 2014-11-25 2018-07-04 トヨタ紡織株式会社 エアクリーナ
US20170234575A1 (en) * 2016-02-02 2017-08-17 Seal Tite Llc In-line duct filter
KR20190020060A (ko) * 2016-08-29 2019-02-27 이엠디 밀리포어 코포레이션 압축된 주름 구성 필터에 대한 고정된 강성 벽 장치
US10357731B2 (en) * 2016-12-20 2019-07-23 Baldwin Filters, Inc. Filter with preformed end caps having notch feature
US20180339251A1 (en) * 2017-05-23 2018-11-29 Kx Technologies Llc Method and apparatus for metal removal from drinking water
US11248993B2 (en) * 2018-02-15 2022-02-15 Colorado State University Research Foundation Systems and methods for direct particle sampling
JP1716289S (ja) * 2020-06-02 2022-05-31 換気機器用フィルター容器

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US3765537A (en) * 1970-11-10 1973-10-16 Pall Corp Dual blood filter
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IT977658B (it) * 1972-02-03 1974-09-20 Knecht Filterwerke Gmbh Cartuccia per filtro a forma di disco per motori a combustione
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US4163721A (en) * 1977-04-04 1979-08-07 Cobe Laboratories, Inc. Edge sealed pleated membrane
US4133661A (en) * 1977-11-25 1979-01-09 General Motors Corporation Air filter assembly
US4187182A (en) * 1978-07-21 1980-02-05 Pall Corporation Box filter
USD260175S (en) 1979-05-24 1981-08-11 Carl Schleicher & Schull GmbH & Co., KG Fluid filter unit
USD267117S (en) 1980-07-22 1982-11-30 Pall Corporation Breathing circuit filter
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DE8435227U1 (de) * 1984-12-01 1985-02-28 B. Braun Melsungen Ag, 3508 Melsungen Filter fuer blutfuehrende leitungssysteme
US5376270A (en) * 1993-06-24 1994-12-27 Porous Media Corporation Box filter

Also Published As

Publication number Publication date
EP0705131A4 (de) 1997-11-05
US5599448A (en) 1997-02-04
US5489352A (en) 1996-02-06
AU7114794A (en) 1995-01-17
WO1995000225A1 (en) 1995-01-05
DE69426672D1 (de) 2001-03-15
CA2163978A1 (en) 1995-01-05
EP0705131B1 (de) 2001-02-07
US5376270A (en) 1994-12-27
CA2163978C (en) 2005-03-15
EP0705131A1 (de) 1996-04-10

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties