FR2428461A1 - Dispositifs de traversee ou de permeation pour separer un fluide a partir d'un melange de fluides, renfermant des fibres creuses selectivement permeables - Google Patents
Dispositifs de traversee ou de permeation pour separer un fluide a partir d'un melange de fluides, renfermant des fibres creuses selectivement permeablesInfo
- Publication number
- FR2428461A1 FR2428461A1 FR7914892A FR7914892A FR2428461A1 FR 2428461 A1 FR2428461 A1 FR 2428461A1 FR 7914892 A FR7914892 A FR 7914892A FR 7914892 A FR7914892 A FR 7914892A FR 2428461 A1 FR2428461 A1 FR 2428461A1
- Authority
- FR
- France
- Prior art keywords
- fluid
- hollow fibers
- fluids
- mixture
- sheet
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/024—Hollow fibre modules with a single potted end
- B01D63/0241—Hollow fibre modules with a single potted end being U-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/033—Specific distribution of fibres within one potting or tube-sheet
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification
- C01B3/501—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by diffusion
- C01B3/503—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by diffusion characterised by membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/08—Flow guidance means within the module or the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/14—Specific spacers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2319/00—Membrane assemblies within one housing
- B01D2319/04—Elements in parallel
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Dispositif de traversée pour séparer au moins un fluide à partir d'un mélange de fluides. Ce dispositif 10 comprend une enveloppe allongée 12 ayant au moins une extrémité pour recevoir une feuille de tubes 18, plusieurs fibres creuses sélectivement perméables ayant une surface exterieure et un trou, ces fibres creuses étant placées généralement parallèlement dans l'enveloppe pour former un faisceau allongé, au moins une feuille de tubes en relation d'étanchéité au fluide avec l'enveloppe, où au moins une extrémité de chacune des fibres creuses est encastrée suivant une relation d'étanchéité au fluide dans au moins une feuille de tubes, et où les trous des fibres communiquent à travers la feuille de tubes, au moins un orifice d'entrée de fluide communiquant à travers l'enveloppe et au moins un orifice de sortie de fluide, distant longitudinalement, communiquant à travers l'enveloppe, ces fluides étant en communication avec la surface extérieure des fibres creuses, et des moyens pour compacter longitudinalement le faisceau de fibres creuses. La présente invention est particulièrement utile pour fournir des dispositifs pour la traversée ou de perméation d'au moins un fluide dans un melange, où des fibres creuses sont disposées pour former un faisceau allongé de fibres, la performance de ces dispositifs étant renforcée par l'emploi de moyens pour compacter longitudinalement le faisceau.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/915,082 US4315819A (en) | 1978-06-12 | 1978-06-12 | Hollow fiber permeator apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2428461A1 true FR2428461A1 (fr) | 1980-01-11 |
Family
ID=25435189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7914892A Withdrawn FR2428461A1 (fr) | 1978-06-12 | 1979-06-11 | Dispositifs de traversee ou de permeation pour separer un fluide a partir d'un melange de fluides, renfermant des fibres creuses selectivement permeables |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4315819A (fr) |
| JP (1) | JPS54163788A (fr) |
| AU (1) | AU517526B2 (fr) |
| BE (1) | BE876899A (fr) |
| BR (1) | BR7903693A (fr) |
| CA (1) | CA1114308A (fr) |
| DD (1) | DD144205A5 (fr) |
| DE (1) | DE2923607A1 (fr) |
| FR (1) | FR2428461A1 (fr) |
| GB (1) | GB2022457B (fr) |
| GR (1) | GR68501B (fr) |
| IL (1) | IL57531A (fr) |
| IN (1) | IN151367B (fr) |
| IT (1) | IT1121382B (fr) |
| LU (1) | LU81375A1 (fr) |
| MX (1) | MX148919A (fr) |
| NL (1) | NL7904515A (fr) |
| ZA (1) | ZA792886B (fr) |
Families Citing this family (83)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620965A (en) * | 1982-09-22 | 1986-11-04 | Terumo Corporation | Hollow fiber-type artificial lung |
| DE3301268A1 (de) * | 1983-01-17 | 1984-07-26 | Akzo Gmbh, 5600 Wuppertal | Verfahren und vorrichtung zum herstellen von hohlfadenbuendeln |
| USRE33502E (en) * | 1985-05-08 | 1990-12-25 | A/G Technology Corporation | Gas separating |
| US4675109A (en) * | 1985-05-08 | 1987-06-23 | E. I. Du Pont De Nemours And Company | Reverse osmosis permeator |
| US4734106A (en) * | 1985-05-08 | 1988-03-29 | A/G Technology Corporation | Gas separating |
| US4657742A (en) * | 1985-07-01 | 1987-04-14 | Ppg Industries, Inc. | Packed fiber glass reaction vessel |
| JPS62155906A (ja) * | 1985-12-28 | 1987-07-10 | Mitsubishi Rayon Eng Co Ltd | 中空糸濾過モジユ−ルの洗浄方法 |
| US4671875A (en) * | 1986-05-02 | 1987-06-09 | Monsanto Company | Fluid separation module |
| DE3733542A1 (de) * | 1986-10-13 | 1988-07-14 | Akzo Gmbh | Vorrichtung zum stoffaustausch |
| JPH03503974A (ja) * | 1987-09-01 | 1991-09-05 | クラスバーグ アラン | ガス分離を改良する装置および方法 |
| EP0314581B1 (fr) * | 1987-10-29 | 1994-06-22 | Terumo Kabushiki Kaisha | Oxygénateur avec membranes à fibres creuses |
| US4871379A (en) * | 1987-12-22 | 1989-10-03 | E. I. Du Pont De Nemours And Company | Modular, shell-less, air permeator |
| US4881955A (en) * | 1988-09-12 | 1989-11-21 | Union Carbide Corporation | Method for gas separation using helically wound hollow fibers permeable membrane cartridge |
| US4957620A (en) * | 1988-11-15 | 1990-09-18 | Hoechst Celanese Corporation | Liquid chromatography using microporous hollow fibers |
| US5164081A (en) * | 1989-03-24 | 1992-11-17 | The Standard Oil Company | Apparatus for separation and for treatment of fluid feedstreams, wafers for use therein and related methods |
| US5174900A (en) * | 1989-03-24 | 1992-12-29 | The Standard Oil Company | Apparatus for separation and for treatment of fluid feedstreams, wafers for use therein and related methods |
| US4964976A (en) * | 1989-04-04 | 1990-10-23 | Lysaght Michael J | Optimized filter and method |
| US5578267A (en) * | 1992-05-11 | 1996-11-26 | Minntech Corporation | Cylindrical blood heater/oxygenator |
| US5270004A (en) * | 1989-10-01 | 1993-12-14 | Minntech Corporation | Cylindrical blood heater/oxygenator |
| AU657265B2 (en) * | 1990-04-20 | 1995-03-09 | Siemens Water Technologies Corp. | Modular microporous filter |
| WO1991016124A1 (fr) * | 1990-04-20 | 1991-10-31 | Memtec Limited | Ensembles de filtres modulaires a micropores |
| US5376334A (en) * | 1993-05-19 | 1994-12-27 | Avecor Cardiovascular Inc. | Mass transfer device having a hollow fiber bundle |
| US6685832B2 (en) * | 1995-08-11 | 2004-02-03 | Zenon Environmental Inc. | Method of potting hollow fiber membranes |
| JP3902232B2 (ja) * | 1995-11-30 | 2007-04-04 | テルモ カーディオバスキュラー システムズコーポレイション | 多層中空繊維本体およびその製法 |
| US5762868A (en) * | 1995-11-30 | 1998-06-09 | Minnesota Mining And Manufacturing Company | Blood oxygenator and heat exchanger |
| AU721064B2 (en) * | 1996-12-20 | 2000-06-22 | Evoqua Water Technologies Llc | Scouring method |
| DE19701994A1 (de) * | 1997-01-22 | 1998-07-23 | Mann & Hummel Filter | Filter |
| US6168649B1 (en) | 1998-12-09 | 2001-01-02 | Mg Generon, Inc. | Membrane for separation of xenon from oxygen and nitrogen and method of using same |
| KR100637987B1 (ko) * | 1999-01-29 | 2006-10-23 | 엔테그리스, 아이엔씨. | 중공 섬유 막의 제조 방법 |
| US6322703B1 (en) * | 1999-04-20 | 2001-11-27 | Asahi Kasei Kabushiki Kaisha | Method for purifying aqueous suspension |
| WO2001085315A1 (fr) * | 2000-05-05 | 2001-11-15 | Zenon Environmental Inc. | Procede d'enrobage au gel pour produire des membranes de filtration a fibres creuses |
| AUPR421501A0 (en) * | 2001-04-04 | 2001-05-03 | U.S. Filter Wastewater Group, Inc. | Potting method |
| AUPR692401A0 (en) * | 2001-08-09 | 2001-08-30 | U.S. Filter Wastewater Group, Inc. | Method of cleaning membrane modules |
| AUPS300602A0 (en) * | 2002-06-18 | 2002-07-11 | U.S. Filter Wastewater Group, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
| US7938966B2 (en) * | 2002-10-10 | 2011-05-10 | Siemens Water Technologies Corp. | Backwash method |
| US8268176B2 (en) * | 2003-08-29 | 2012-09-18 | Siemens Industry, Inc. | Backwash |
| AU2004289373B2 (en) * | 2003-11-14 | 2010-07-29 | Evoqua Water Technologies Llc | Improved module cleaning method |
| EP1695731B1 (fr) * | 2003-12-15 | 2016-02-24 | Teijin Pharma Limited | Dispositif d'humidification et système de concentration d'oxygène |
| DE10361580A1 (de) * | 2003-12-23 | 2005-07-21 | Mann + Hummel Gmbh | Keramisches Hohlfaser-Membranmodul |
| WO2005092799A1 (fr) * | 2004-03-26 | 2005-10-06 | U.S. Filter Wastewater Group, Inc. | Processus et appareil de purification d'eau impure au moyen d'une microfiltration ou d'une ultrafiltration associee a une osmose inversee |
| WO2006026814A1 (fr) * | 2004-09-07 | 2006-03-16 | Siemens Water Technologies Corp. | Reduction des rejets liquides de decolmatage |
| JP4896025B2 (ja) * | 2004-09-14 | 2012-03-14 | シーメンス・ウォーター・テクノロジーズ・コーポレイション | 膜モジュールから固形分を除去するための方法および装置 |
| JP4954880B2 (ja) | 2004-09-15 | 2012-06-20 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 連続的に変化する通気 |
| EP1838422A4 (fr) * | 2004-12-24 | 2009-09-02 | Siemens Water Tech Corp | Procede et appareil simples de lavage au gaz |
| WO2006066319A1 (fr) * | 2004-12-24 | 2006-06-29 | Siemens Water Technologies Corp. | Clarification dans des systemes de filtration sur membrane |
| CN101184548B (zh) | 2005-04-29 | 2011-10-05 | 西门子水技术公司 | 用于膜滤器的化学清洗剂 |
| JP2009504399A (ja) | 2005-08-22 | 2009-02-05 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 管状マニホールドを使用して逆洗を最小化する水濾過のためのアセンブリ |
| CN101321578B (zh) * | 2005-12-09 | 2010-12-08 | 西门子水技术公司 | 减少反冲洗量的过程 |
| US20090001018A1 (en) * | 2006-01-12 | 2009-01-01 | Fufang Zha | Operating Strategies in Filtration Processes |
| CN101511455B (zh) * | 2006-08-31 | 2013-07-03 | 西门子工业公司 | 低压回洗 |
| US8293098B2 (en) * | 2006-10-24 | 2012-10-23 | Siemens Industry, Inc. | Infiltration/inflow control for membrane bioreactor |
| US20100012585A1 (en) * | 2007-02-16 | 2010-01-21 | Fufang Zha | Membrane filtration process and design |
| WO2008123972A1 (fr) * | 2007-04-02 | 2008-10-16 | Siemens Water Technologies Corp. | Commande d'infiltration/afflux améliorée pour bioréacteur à membranes |
| US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
| AU2008235254B2 (en) * | 2007-04-04 | 2012-08-30 | Evoqua Water Technologies Llc | Membrane module protection |
| AU2008263139B2 (en) | 2007-05-29 | 2011-08-25 | Evoqua Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
| JP2010527773A (ja) * | 2007-05-29 | 2010-08-19 | シーメンス ウォーター テクノロジース コーポレイション | エアリフトポンプを用いた膜洗浄 |
| JP2010531218A (ja) * | 2007-06-28 | 2010-09-24 | シーメンス ウォーター テクノロジース コーポレイション | 単純な濾過システム用の洗浄方法 |
| JP2013500144A (ja) | 2008-07-24 | 2013-01-07 | シーメンス インダストリー インコーポレイテッド | 濾過システムにおける濾過膜モジュールアレイに対して構造的支持を施すための方法および濾過システム |
| EP2313172A4 (fr) * | 2008-08-14 | 2013-03-13 | Siemens Industry Inc | Configuration de bloc pour distillation sur membrane à grande échelle |
| NZ591259A (en) * | 2008-08-20 | 2013-02-22 | Siemens Industry Inc | A hollow membrane filter backwash system using gas pressurised at at least two pressures feed from the down stream side to push water through the filter to clean it |
| CN102481521B (zh) * | 2009-06-02 | 2014-10-15 | 伊沃夸水处理技术有限责任公司 | 利用脉冲气栓和全局通风进行的膜清洁 |
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| ES2738898T3 (es) | 2010-04-30 | 2020-01-27 | Evoqua Water Tech Llc | Dispositivo de distribución de flujo de fluido |
| IT1401192B1 (it) * | 2010-06-16 | 2013-07-12 | Enea Agenzia Naz Per Le Nuove Tecnologie L En E Lo Sviluppo Economico Sostenibile | Reattore a membrana per il trattamento di gas contenenti trizio |
| AU2011305377B2 (en) | 2010-09-24 | 2014-11-20 | Evoqua Water Technologies Llc | Fluid control manifold for membrane filtration system |
| CN102000454B (zh) * | 2010-11-08 | 2012-08-22 | 天津膜天膜科技股份有限公司 | 一种具有浮动结构的膜过滤装置 |
| KR101298527B1 (ko) * | 2011-09-19 | 2013-08-22 | 한국표준과학연구원 | 중공사막을 이용한 단백질의 효소 처리장치 및 이를 이용한 온-라인 프로테오믹스 방법 |
| CN103958034B (zh) | 2011-09-30 | 2017-03-22 | 伊沃夸水处理技术有限责任公司 | 隔离阀 |
| CA2850309C (fr) | 2011-09-30 | 2020-01-07 | Evoqua Water Technologies Llc | Agencement de collecteurs ameliore |
| US9533261B2 (en) | 2012-06-28 | 2017-01-03 | Evoqua Water Technologies Llc | Potting method |
| CN104684631A (zh) | 2012-09-26 | 2015-06-03 | 伊沃夸水处理技术有限责任公司 | 膜固定设备 |
| AU2013231145B2 (en) | 2012-09-26 | 2017-08-17 | Evoqua Water Technologies Llc | Membrane potting methods |
| EP2900356A1 (fr) | 2012-09-27 | 2015-08-05 | Evoqua Water Technologies LLC | Appareil de décapage à gaz pour membranes immergées |
| JP6089776B2 (ja) * | 2013-02-27 | 2017-03-08 | 株式会社明電舎 | 濾過膜モジュールとその製造方法 |
| CN105142764B (zh) * | 2013-04-25 | 2018-09-11 | 东丽株式会社 | 筒式中空纤维膜组件 |
| EP3052221B1 (fr) | 2013-10-02 | 2022-12-14 | Rohm & Haas Electronic Materials Singapore Pte. Ltd | Dispositif de réparation de module de filtration sur membrane |
| DE102014005910A1 (de) * | 2014-04-25 | 2015-10-29 | Mann + Hummel Gmbh | Filtereinrichtung mit Hohlfasern |
| WO2017011068A1 (fr) | 2015-07-14 | 2017-01-19 | Evoqua Water Technologies Llc | Dispositif d'aération pour système de filtration |
| EP3703847A1 (fr) * | 2017-10-30 | 2020-09-09 | Dow Global Technologies LLC | Membranes de tamis moléculaire en carbone contenant un métal du groupe 13 et leur procédé de fabrication |
| US20190168163A1 (en) * | 2017-12-01 | 2019-06-06 | Stuart Miller | Ultra-filtration membrane and method of forming the same |
| US11839857B2 (en) | 2017-12-01 | 2023-12-12 | I2M Llc | Filtration membrane bundle, filtration membrane assembly and method of producing the same |
| US11634316B2 (en) | 2020-09-30 | 2023-04-25 | Veeder-Root Company | Fuel storage and supply arrangement having fuel conditioning assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1307979A (fr) * | 1960-09-19 | 1962-11-03 | Dow Chemical Co | Procédé de traitement de solutions et appareil utilisé dans ce procédé |
| FR2191091A1 (fr) * | 1972-07-04 | 1974-02-01 | Rhone Poulenc Sa | |
| FR2231421A1 (fr) * | 1973-05-30 | 1974-12-27 | Rhone Poulenc Sa | |
| FR2293232A1 (fr) * | 1974-12-04 | 1976-07-02 | Asahi Chemical Ind | Unite de dialyse et dispositif de dialyse employant cette unite |
| FR2348707A1 (fr) * | 1976-04-21 | 1977-11-18 | Asahi Medical Co | Hemodialyseur employant des fibres creuses semi-permeables |
| FR2358910A1 (fr) * | 1976-07-23 | 1978-02-17 | Bentley Lab | Procede et appareil pour faire passer des substances d'un milieu a un autre |
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| US2654482A (en) * | 1952-09-20 | 1953-10-06 | Fram Corp | Filter for removing ice crystals from hydrocarbon liquids and the like |
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-
1978
- 1978-06-12 US US05/915,082 patent/US4315819A/en not_active Expired - Lifetime
-
1979
- 1979-06-08 NL NL7904515A patent/NL7904515A/xx not_active Application Discontinuation
- 1979-06-09 GR GR59312A patent/GR68501B/el unknown
- 1979-06-11 AU AU47944/79A patent/AU517526B2/en not_active Ceased
- 1979-06-11 FR FR7914892A patent/FR2428461A1/fr not_active Withdrawn
- 1979-06-11 LU LU81375A patent/LU81375A1/fr unknown
- 1979-06-11 JP JP7394279A patent/JPS54163788A/ja active Granted
- 1979-06-11 BR BR7903693A patent/BR7903693A/pt unknown
- 1979-06-11 IN IN598/CAL/79A patent/IN151367B/en unknown
- 1979-06-11 IT IT23463/79A patent/IT1121382B/it active
- 1979-06-11 CA CA329,521A patent/CA1114308A/fr not_active Expired
- 1979-06-11 DD DD79213535A patent/DD144205A5/de unknown
- 1979-06-11 ZA ZA792886A patent/ZA792886B/xx unknown
- 1979-06-11 DE DE19792923607 patent/DE2923607A1/de not_active Ceased
- 1979-06-11 IL IL57531A patent/IL57531A/xx unknown
- 1979-06-11 GB GB7920237A patent/GB2022457B/en not_active Expired
- 1979-06-11 MX MX178025A patent/MX148919A/es unknown
- 1979-06-11 BE BE0/195677A patent/BE876899A/fr not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1307979A (fr) * | 1960-09-19 | 1962-11-03 | Dow Chemical Co | Procédé de traitement de solutions et appareil utilisé dans ce procédé |
| FR2191091A1 (fr) * | 1972-07-04 | 1974-02-01 | Rhone Poulenc Sa | |
| FR2231421A1 (fr) * | 1973-05-30 | 1974-12-27 | Rhone Poulenc Sa | |
| FR2293232A1 (fr) * | 1974-12-04 | 1976-07-02 | Asahi Chemical Ind | Unite de dialyse et dispositif de dialyse employant cette unite |
| FR2348707A1 (fr) * | 1976-04-21 | 1977-11-18 | Asahi Medical Co | Hemodialyseur employant des fibres creuses semi-permeables |
| FR2358910A1 (fr) * | 1976-07-23 | 1978-02-17 | Bentley Lab | Procede et appareil pour faire passer des substances d'un milieu a un autre |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2022457B (en) | 1983-02-16 |
| DE2923607A1 (de) | 1979-12-20 |
| MX148919A (es) | 1983-07-04 |
| JPS54163788A (en) | 1979-12-26 |
| BR7903693A (pt) | 1980-02-05 |
| JPS5630043B2 (fr) | 1981-07-13 |
| AU4794479A (en) | 1979-12-20 |
| IL57531A0 (en) | 1979-10-31 |
| IT7923463A0 (it) | 1979-06-11 |
| US4315819A (en) | 1982-02-16 |
| DD144205A5 (de) | 1980-10-08 |
| IT1121382B (it) | 1986-04-02 |
| BE876899A (fr) | 1979-12-11 |
| GR68501B (fr) | 1982-01-07 |
| GB2022457A (en) | 1979-12-19 |
| IN151367B (fr) | 1983-04-02 |
| IL57531A (en) | 1983-03-31 |
| NL7904515A (nl) | 1979-12-14 |
| LU81375A1 (fr) | 1980-01-22 |
| ZA792886B (en) | 1981-02-25 |
| AU517526B2 (en) | 1981-08-06 |
| CA1114308A (fr) | 1981-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |