ATE39215T1 - Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren. - Google Patents
Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren.Info
- Publication number
- ATE39215T1 ATE39215T1 AT83105379T AT83105379T ATE39215T1 AT E39215 T1 ATE39215 T1 AT E39215T1 AT 83105379 T AT83105379 T AT 83105379T AT 83105379 T AT83105379 T AT 83105379T AT E39215 T1 ATE39215 T1 AT E39215T1
- Authority
- AT
- Austria
- Prior art keywords
- separation
- liquid mixtures
- multilayer membrane
- pervaporation process
- aus
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title 1
- 239000012528 membrane Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 238000005373 pervaporation Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
- B01D61/362—Pervaporation
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1216—Three or more layers
-
- 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
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
-
- 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
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
- B01D71/381—Polyvinylalcohol
-
- 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
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
- B01D71/383—Polyvinylacetates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3220570A DE3220570A1 (de) | 1982-06-01 | 1982-06-01 | Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren |
| EP83105379A EP0096339B2 (de) | 1982-06-01 | 1983-05-31 | Verwendung einer mehrschichtigen Membran zur Trennung von Flüssigkeitsgemischen nach dem Pervaporationsverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE39215T1 true ATE39215T1 (de) | 1988-12-15 |
Family
ID=6164996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT83105379T ATE39215T1 (de) | 1982-06-01 | 1983-05-31 | Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren. |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US4755299A (enEXAMPLES) |
| EP (1) | EP0096339B2 (enEXAMPLES) |
| JP (1) | JPS59109204A (enEXAMPLES) |
| AT (1) | ATE39215T1 (enEXAMPLES) |
| DE (2) | DE3220570A1 (enEXAMPLES) |
Families Citing this family (87)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3205976A1 (de) * | 1982-02-19 | 1983-09-01 | Battelle-Institut E.V., 6000 Frankfurt | Vorrichtung zur messung von alkoholkonzentration in alkohol-benzin-gemischen |
| DE3220570A1 (de) * | 1982-06-01 | 1983-12-01 | GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg | Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren |
| US4774001A (en) * | 1984-12-21 | 1988-09-27 | Pall Corporation | Supported microporous membrane |
| GB2169224B (en) * | 1984-12-21 | 1989-01-11 | Pall Corp | Supported microporous membrane and method of making |
| DE3515184A1 (de) * | 1985-04-26 | 1986-11-06 | Hartmut Ernst Artur Dr. 6907 Nußloch Brüschke | Verfahren zur herstellung von loesungs-diffusionsmembranen und ihre verwendung fuer die pervaporation |
| GB8518575D0 (en) * | 1985-07-23 | 1985-08-29 | Bp Chem Int Ltd | Esterification process |
| DE3536007A1 (de) * | 1985-10-09 | 1987-05-07 | Akzo Gmbh | Pervaporationsverfahren |
| US5013447A (en) * | 1989-07-19 | 1991-05-07 | Sepracor | Process of treating alcoholic beverages by vapor-arbitrated pervaporation |
| US4824573A (en) * | 1986-01-23 | 1989-04-25 | General Director Of The Agency Of Industrial Science And Technology | Crosslinked composite membrane and process for producing the same |
| JPS6354903A (ja) * | 1986-08-26 | 1988-03-09 | Agency Of Ind Science & Technol | パ−ベ−パレ−シヨン用分離膜 |
| DK169616B1 (da) * | 1986-08-27 | 1994-12-27 | Dow Danmark | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
| US4952319A (en) * | 1986-12-15 | 1990-08-28 | Mitsubishi Kasei Corporation | Process for separating liquid mixture |
| US4840819A (en) * | 1987-04-08 | 1989-06-20 | Union Carbide Corporation | Method for preparing composite membranes for enhanced gas separation |
| US4826599A (en) * | 1987-07-10 | 1989-05-02 | Union Carbide Corporation | Composite membranes and their manufacture and use |
| US5028334A (en) * | 1987-07-13 | 1991-07-02 | American Cyanamid Company | Selective recovery of tin by solvent extraction using branched tertiary phosphine oxides |
| DE3723193A1 (de) * | 1987-07-14 | 1989-01-26 | Metallgesellschaft Ag | Verfahren zur herstellung von alkoholaten |
| AT388248B (de) * | 1987-07-20 | 1989-05-26 | Avl Verbrennungskraft Messtech | Deckschicht, vorzugsweise zur probenseitigen anbringung an optischen ionensensoren |
| US4802988A (en) | 1987-09-17 | 1989-02-07 | Texaco Inc. | Dehydration of glycols |
| US4935144A (en) * | 1987-09-17 | 1990-06-19 | Texaco Inc. | Concentration of water-ketone compositions |
| US4941976A (en) * | 1987-09-17 | 1990-07-17 | Texaco Inc. | Dehydration of glycols |
| US4961855A (en) * | 1987-09-17 | 1990-10-09 | Texaco Inc. | Dehydration of organic oxygenates |
| DE3804236A1 (de) * | 1988-02-11 | 1989-08-24 | Gft Ges Fuer Trenntechnik | Verfahren zur reduktion des alkoholgehaltes von alkoholischen getraenken |
| US4798674A (en) * | 1988-03-10 | 1989-01-17 | Texaco Inc. | Separation of organic liquids |
| DE3818860A1 (de) * | 1988-06-03 | 1989-12-07 | Seitz Filter Werke | Filterelement |
| NL8802225A (nl) * | 1988-09-09 | 1990-04-02 | Stork Friesland Bv | Membraansamenstel. |
| US4910344A (en) * | 1989-02-01 | 1990-03-20 | Texaco Inc. | Treatment of compositions containing water and organic oxygenates |
| US5034164A (en) * | 1989-10-02 | 1991-07-23 | Semmens Michael J | Bubbleless gas transfer device and process |
| US5152898A (en) * | 1989-10-23 | 1992-10-06 | Texaco Inc. | Separation of organic oxygenates |
| DE3937796A1 (de) * | 1989-11-14 | 1991-05-16 | Basf Ag | Verfahren zur abtrennung von wasser aus einem wasser, co(pfeil abwaerts)2(pfeil abwaerts) und amine enthaltenden gemisch |
| WO1991008043A1 (de) * | 1989-12-01 | 1991-06-13 | Gft Gesellschaft Für Trenntechnik Mbh | Composite-membran zur abtrennung von wasser aus organische komponenten enthaltenden fluiden mittels pervaporation |
| DE3941861C1 (en) * | 1989-12-19 | 1991-04-18 | Sartorius Ag, 3400 Goettingen, De | Membrane for pervaporation, vapour permeation and gas sepn. - made by compacting porous polymer support layer by chemical or thermal means |
| US4971699A (en) * | 1990-01-02 | 1990-11-20 | Texaco Inc. | Separation of compositions containing water and organic oxygenates |
| DE4004153C1 (en) * | 1990-02-10 | 1991-08-08 | Metallgesellschaft Ag, 6000 Frankfurt, De | Multilayered membrane with high sepn. performance - comprises carrier layer of polyamide, polyvinylidene-di:fluoride polyester or glass fibres porous supply and PVA sepn. layer |
| DE4004532C2 (de) * | 1990-02-14 | 1996-05-09 | Fraunhofer Ges Forschung | Verfahren zur Regenerierung von Adsorbern |
| DE4019170A1 (de) * | 1990-06-15 | 1991-12-19 | Henkel Kgaa | Verfahren zum durchfuehren einer gleichgewichtsreaktion unter anwendung von daempfepermeation |
| DE4024517C1 (enEXAMPLES) * | 1990-08-02 | 1991-11-21 | Metallgesellschaft Ag, 6000 Frankfurt, De | |
| US5160353A (en) * | 1990-08-30 | 1992-11-03 | E. I. Du Pont De Nemours & Company | Gas separation membrane with ultrathin layer |
| US5248427A (en) * | 1990-09-15 | 1993-09-28 | Basf Aktiengesellschaft | Removal of water from mixtures with alcohols and/or carboxylic acids and/or carboxylic esters |
| US5108474A (en) * | 1991-01-03 | 1992-04-28 | W. L. Gore & Associates, Inc. | Smoke filter |
| JP3171947B2 (ja) * | 1991-09-03 | 2001-06-04 | ダイセル化学工業株式会社 | ポリアクリロニトリル共重合体選択透過膜およびその製造方法 |
| GB2271992B (en) * | 1992-11-02 | 1996-10-02 | Exxon Research Engineering Co | Separation of water/alcohol(s) mixtures |
| US5286280A (en) * | 1992-12-31 | 1994-02-15 | Hoechst Celanese Corporation | Composite gas separation membrane having a gutter layer comprising a crosslinked polar phenyl-containing - organopolysiloxane, and method for making the same - |
| US5362581A (en) * | 1993-04-01 | 1994-11-08 | W. R. Grace & Co.-Conn. | Battery separator |
| US5389433A (en) * | 1993-04-01 | 1995-02-14 | W. R. Grace & Co.-Conn. | Battery separator |
| US5362582A (en) * | 1993-04-01 | 1994-11-08 | W.R. Grace & Co.-Conn. | Battery separator |
| US5389463A (en) * | 1993-04-01 | 1995-02-14 | W. R. Grace & Co.-Conn. | Battery separator |
| US5346788A (en) * | 1993-04-01 | 1994-09-13 | W. R. Grace & Co.-Conn. | Microporous polyurethane based battery separator |
| DE4319570A1 (de) * | 1993-06-14 | 1994-12-15 | Bayer Ag | Verfahren und Abtrennung von Alkanolen von weiteren organischen Verbindungen mit höherer Kohlenstoffzahl |
| DE4401405A1 (de) * | 1994-01-19 | 1995-07-20 | Huels Chemische Werke Ag | Verfahren zur Entwässerung von Acrylsäure |
| US5522991A (en) * | 1994-07-20 | 1996-06-04 | Millipore Investment Holdings Limited | Cellulosic ultrafiltration membrane |
| US5614065A (en) * | 1994-10-31 | 1997-03-25 | Uop | Distillation with membrane apparatus |
| US5749943A (en) * | 1995-02-27 | 1998-05-12 | Petroleum Energy Center | Method of selectively separating unsaturated hydrocarbon |
| KR100217311B1 (ko) * | 1997-10-20 | 1999-09-01 | 이서봉 | 소수성 지지막 위에 박막의 친수성 도포층을 갖는 복합막의제조방법 |
| DE19836418B4 (de) * | 1998-08-12 | 2004-09-09 | Celfa Ag | Membran zur Trennung von Stoffgemischen und Verfahren zu ihrer Herstellung |
| CN1317987A (zh) * | 1999-07-16 | 2001-10-17 | 巴克斯特国际有限公司 | 聚偏二氟乙烯膜和其制备方法 |
| US6440309B1 (en) | 2000-05-17 | 2002-08-27 | Yoram Cohen | Ceramic-supported polymer (CSP) pervaporation membrane |
| US6528025B1 (en) | 2000-06-26 | 2003-03-04 | Roche Vitamins Inc. | Process of manufacturing equipment for preparing acetals and ketals |
| KR100406758B1 (ko) * | 2001-02-23 | 2003-11-21 | 변유량 | 양이온성 혼합폴리머, 그 제조방법 및 이를 포함하는제지용 첨가제 |
| EP1293589A3 (en) | 2001-09-17 | 2004-10-13 | Nissan Motor Company, Limited | Apparatus for pretreatment prior to painting |
| US6755975B2 (en) * | 2002-06-12 | 2004-06-29 | Membrane Technology And Research, Inc. | Separation process using pervaporation and dephlegmation |
| US7132008B2 (en) * | 2002-10-25 | 2006-11-07 | Membrane Technology & Research, Inc. | Natural gas dehydration apparatus |
| US6789288B2 (en) | 2002-10-25 | 2004-09-14 | Membrane Technology And Research, Inc. | Natural gas dehydration process and apparatus |
| DE10323440B4 (de) | 2003-05-23 | 2006-10-26 | Sulzer Chemtech Gmbh - Membrantechnik - | Membran-Rohrmodul |
| US7604746B2 (en) * | 2004-04-27 | 2009-10-20 | Mcmaster University | Pervaporation composite membranes |
| DE102004049055A1 (de) * | 2004-10-08 | 2006-04-13 | Ticona Gmbh | Verfahren zur Herstellung und Reinigung von zyklischen Formalen |
| DE102004049056A1 (de) * | 2004-10-08 | 2006-04-13 | Ticona Gmbh | Verfahren zur Herstellung und Reinigung von zyklischen Formalen |
| DE102004053402B3 (de) | 2004-11-05 | 2006-06-01 | Gkss-Forschungszentrum Geesthacht Gmbh | Membran zur Trennung von Stoffgemischen und Verfahren zu ihrer Herstellung |
| DE102004060857B4 (de) * | 2004-12-17 | 2007-08-30 | Sulzer Chemtech Gmbh - Membrantechnik - | Nachvernetzte Membran |
| WO2008055051A2 (en) * | 2006-10-27 | 2008-05-08 | Cms Technologies Holdings Inc. | Removal of water and methanol from fluids |
| US8496831B2 (en) * | 2007-08-30 | 2013-07-30 | Membrane Technology And Research, Inc. | Dehydration processes using membranes with hydrophobic coating |
| CN100551505C (zh) * | 2007-03-21 | 2009-10-21 | 清华大学 | 一种用于分离甲醇/碳酸二甲酯共沸物的分离膜及其制备方法 |
| SG160281A1 (en) | 2008-10-02 | 2010-04-29 | Sulzer Chemtech Gmbh | Composite membrane for the separation of water and method for its manufacture |
| US8366811B2 (en) | 2009-03-03 | 2013-02-05 | Oridion Medical (1987) Ltd. | Drying substances, preparation and use thereof |
| US9067035B2 (en) * | 2009-03-03 | 2015-06-30 | Oridion Medical (1987) Ltd. | Drying substances, preparation and use thereof |
| US8747752B2 (en) * | 2009-03-03 | 2014-06-10 | Oridion Medical (1987) Ltd. | Drying substances, preparation and use thereof |
| DE102009002130A1 (de) | 2009-04-02 | 2010-10-14 | Wacker Chemie Ag | Membranen auf Basis von Polyvinylalkohol |
| WO2011019774A1 (en) | 2009-08-10 | 2011-02-17 | Mason Eletric Co. | Unmanned vehicle controller with interchangeable function bridge modules |
| US20130062285A1 (en) * | 2010-05-11 | 2013-03-14 | The Regents Of The University Of California | Oil-Tolerant Polymer Membranes for Oil-Water Separations |
| WO2012038110A1 (de) | 2010-09-20 | 2012-03-29 | Sulzer Chemtech Ag | Membran mit einer porenfreien trennschicht, sowie verwendung und verfahren zur herstellung einer membran |
| JP5713348B2 (ja) * | 2011-06-28 | 2015-05-07 | 株式会社クラレ | 逆電気透析発電用のイオン交換複層膜 |
| CN103717564A (zh) | 2011-07-06 | 2014-04-09 | 帝斯曼知识产权资产管理有限公司 | 制备缩醛和缩酮的方法 |
| CN103649032A (zh) | 2011-07-06 | 2014-03-19 | 帝斯曼知识产权资产管理有限公司 | 通过渗透蒸发的方式制备或回收缩醛或缩酮的方法 |
| GB2534090B (en) | 2013-10-17 | 2021-02-24 | Council Scient Ind Res | Seaweed polysaccharide based superhydrophilic foam membrane for energy-efficient oil-water separation |
| CN104472771B (zh) * | 2014-12-12 | 2017-10-20 | 嘉应学院医学院 | 一种基于复合纳滤膜的山茶科植物茶中金属元素富集分离方法 |
| WO2017209520A1 (ko) * | 2016-05-31 | 2017-12-07 | 주식회사 아모그린텍 | 필터집합체, 이의 제조방법 및 이를 포함하는 필터모듈 |
| CN110193290B (zh) * | 2019-05-30 | 2021-10-12 | 江苏大学 | 一种基于点击化学印迹林可霉素分子复合膜的制备方法及应用 |
| US12420242B1 (en) | 2025-07-01 | 2025-09-23 | King Saud University | Selective extraction of thiophene from thiophene/n-heptane using a poly(vinyl acetate)/water membrane system |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2958656A (en) * | 1954-07-16 | 1960-11-01 | American Oil Co | Method of separating hydrocarbons using ethyl cellulose permselective membrane |
| US3035060A (en) | 1957-06-18 | 1962-05-15 | Standard Oil Co | Process for removing water from organic chemicals |
| US3182043A (en) * | 1960-12-30 | 1965-05-04 | Standard Oil Co | Removal of water from monocarboxylic acids by membrane permeation |
| US3276996A (en) * | 1963-07-15 | 1966-10-04 | Lazare Leon | Separating water from saline solutions |
| US4035291A (en) * | 1970-06-16 | 1977-07-12 | Monsanto Company | Process for separating aqueous formaldehyde mixtures |
| US4067805A (en) * | 1970-06-16 | 1978-01-10 | Monsanto Company | Process for separating aqueous formaldehyde mixtures |
| US3950247A (en) * | 1970-06-16 | 1976-04-13 | Monsanto Company | Separation procedure |
| NL171534C (nl) * | 1970-06-16 | 1983-04-18 | Monsanto Co | Werkwijze voor het afscheiden van water uit mengsels die water en formaldehyd bevatten. |
| DE2441311C2 (de) * | 1974-08-29 | 1984-07-19 | Peter, Siegfried, Prof.Dr., 8520 Erlangen | Verfahren zur Herstellung von Membranen für die umgekehrte Osmose |
| US4340481A (en) * | 1975-02-15 | 1982-07-20 | Asahi Kasei Kogyo Kabushiki | Membrane filtration type hollow fibers |
| JPS5237830A (en) * | 1975-09-19 | 1977-03-24 | Kuraray Co Ltd | Polyvinyl alcohol hollow fibers for dialysis |
| US4005012A (en) * | 1975-09-22 | 1977-01-25 | The United States Of America As Represented By The Secretary Of The Interior | Semipermeable membranes and the method for the preparation thereof |
| JPS5247579A (en) * | 1975-10-14 | 1977-04-15 | Kuraray Co Ltd | Continuous separation method of mixed liquid |
| US4239506A (en) * | 1976-07-09 | 1980-12-16 | Standard Oil Company (Indiana) | Use of aqueous, non-sweep liquid during membrane separation |
| US4230463A (en) * | 1977-09-13 | 1980-10-28 | Monsanto Company | Multicomponent membranes for gas separations |
| JPS5440287A (en) * | 1977-09-06 | 1979-03-29 | Kuraray Co Ltd | Ethylene-vinyl alcohol copolymer membrane of improved performance and preparation thereof |
| US4214020A (en) * | 1977-11-17 | 1980-07-22 | Monsanto Company | Processes for coating bundles of hollow fiber membranes |
| CA1127472A (en) * | 1977-11-25 | 1982-07-13 | Robert L. Riley | Gas separation membranes and process for the preparation thereof |
| JPS54153779A (en) * | 1978-05-25 | 1979-12-04 | Kuraray Co Ltd | Preparation of polyvinyl alcohol base selective transmission membrane |
| US4265713A (en) * | 1979-02-14 | 1981-05-05 | International Power Technology, Inc. | Method and apparatus for distillation |
| JPS5626510A (en) * | 1979-08-10 | 1981-03-14 | Asahi Glass Co Ltd | Tubular type support for reverse osmosis membrane |
| US4543221A (en) * | 1979-12-17 | 1985-09-24 | Cd Medical, Inc. | Method for making cellulose semipermeable hollow fibers |
| IL63638A0 (en) * | 1980-09-16 | 1981-11-30 | Aligena Ag | Semipermeable composite membranes,their manufacture and their use |
| DE3220570A1 (de) * | 1982-06-01 | 1983-12-01 | GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg | Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren |
-
1982
- 1982-06-01 DE DE3220570A patent/DE3220570A1/de not_active Withdrawn
-
1983
- 1983-05-31 EP EP83105379A patent/EP0096339B2/de not_active Expired - Lifetime
- 1983-05-31 DE DE8383105379T patent/DE3378677D1/de not_active Expired
- 1983-05-31 AT AT83105379T patent/ATE39215T1/de not_active IP Right Cessation
- 1983-06-01 JP JP58095886A patent/JPS59109204A/ja active Granted
-
1985
- 1985-09-23 US US06/778,741 patent/US4755299A/en not_active Expired - Lifetime
-
1988
- 1988-04-27 US US07/197,055 patent/US4915834A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0096339A3 (en) | 1984-04-25 |
| EP0096339B1 (de) | 1988-12-14 |
| US4755299A (en) | 1988-07-05 |
| DE3378677D1 (en) | 1989-01-19 |
| DE3220570A1 (de) | 1983-12-01 |
| EP0096339B2 (de) | 1998-10-28 |
| EP0096339A2 (de) | 1983-12-21 |
| JPH0334969B2 (enEXAMPLES) | 1991-05-24 |
| JPS59109204A (ja) | 1984-06-23 |
| US4915834A (en) | 1990-04-10 |
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