BR9607559A - Composição para uso em materiais de atrito e artigos formados da sua composição. - Google Patents
Composição para uso em materiais de atrito e artigos formados da sua composição.Info
- Publication number
- BR9607559A BR9607559A BR9607559-7A BR9607559A BR9607559A BR 9607559 A BR9607559 A BR 9607559A BR 9607559 A BR9607559 A BR 9607559A BR 9607559 A BR9607559 A BR 9607559A
- Authority
- BR
- Brazil
- Prior art keywords
- composition
- friction materials
- articles formed
- filler
- fiber
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 6
- 239000002783 friction material Substances 0.000 title abstract 2
- 239000000835 fiber Substances 0.000 abstract 2
- 239000000945 filler Substances 0.000 abstract 2
- 239000003607 modifier Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/025—Compositions based on an organic binder
- F16D69/026—Compositions based on an organic binder containing fibres
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- 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
- B29L2031/16—Frictional elements, e.g. brake or clutch linings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Patente de Invenção: COMPOSIçãO PARA USO EM MATERIAIS DE ATRITO E ARTIGOS FORMADOS DA SUA COMPOSIçãO. Uma composição contendo uma matriz, uma fibra, uma carga; e um modificador de atrito no qual uma quantidade efetiva de pelo menos um dos componentes selecionados do grupo que consiste de fibra, carga, modificador de atrito e suas combinações, são compostos promotores de cura, tendo uma proporção de aspecto efetiva, de modo que a composição é rapidamente curada em presença de energia eletromagnética e um processo para a cura de tais composições. Os artigos constituídos desta composição são adequados para uso na produção de materiais de atrito, tais como blocos de freio, revestimentos de tambores e embreagens.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/383,390 US5576358A (en) | 1995-02-03 | 1995-02-03 | Composition for use in friction materials and articles formed therefrom |
PCT/US1996/001024 WO1996023952A2 (en) | 1995-02-03 | 1996-01-30 | Composition for use in friction materials and articles formed therefrom |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9607559A true BR9607559A (pt) | 1999-10-13 |
Family
ID=23512914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9607559-7A BR9607559A (pt) | 1995-02-03 | 1996-01-30 | Composição para uso em materiais de atrito e artigos formados da sua composição. |
Country Status (11)
Country | Link |
---|---|
US (1) | US5576358A (pt) |
EP (1) | EP0807215B1 (pt) |
JP (1) | JP3851349B2 (pt) |
KR (1) | KR100415863B1 (pt) |
CN (1) | CN1095050C (pt) |
AT (1) | ATE199971T1 (pt) |
AU (1) | AU705898B2 (pt) |
BR (1) | BR9607559A (pt) |
DE (1) | DE69612186T2 (pt) |
ES (1) | ES2157434T3 (pt) |
WO (1) | WO1996023952A2 (pt) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT402227B (de) * | 1995-05-17 | 1997-03-25 | Chemetall Gmbh | Festschmierstoff, insbesondere für reibbeläge, reibbelagmischungen und reibbeläge |
JPH09256080A (ja) * | 1996-03-21 | 1997-09-30 | Honda Motor Co Ltd | チタン又は/及びチタン合金焼結摩擦材 |
JPH108037A (ja) * | 1996-06-27 | 1998-01-13 | Akebono Brake Ind Co Ltd | 非石綿系摩擦材 |
JPH1017677A (ja) * | 1996-07-04 | 1998-01-20 | Akebono Brake Ind Co Ltd | 非石綿系摩擦材の製造方法 |
DE19637287A1 (de) * | 1996-09-13 | 1998-03-26 | Kienker Peter | Umweltfreundliches Verfahren zur Herstellung von Mikro-Schleifmitteln mit Schleifmittelzusammensetzung |
US5988689A (en) * | 1997-12-26 | 1999-11-23 | Central Plastics Company | Heat-shrinkable electrofusion fittings and methods |
FR2778717B1 (fr) * | 1998-05-13 | 2000-08-11 | Valeo | Dispositif amortisseur de torsion comportant un dispositif de frottement ayant une matiere de frottement ne generant pas de bruit en fonctionnement |
KR100612733B1 (ko) * | 1998-08-26 | 2006-08-18 | 닛신보세키 가부시키 가이샤 | 비석면계 마찰재 |
EP1022481B1 (de) * | 1999-01-20 | 2003-04-23 | AlliedSignal Bremsbelag GmbH | Reibflächenbeschichtung für einen Reibwerkstoff eines Bremssystems |
DE19950622A1 (de) | 1999-10-20 | 2001-05-31 | Schott Glas | Reibbelag für Bauelemente in Bremssystemen |
US6368994B1 (en) * | 1999-12-27 | 2002-04-09 | Gyrorron Technology, Inc. | Rapid processing of organic materials using short wavelength microwave radiation |
US20020197448A1 (en) * | 2000-01-27 | 2002-12-26 | Booher Benjamin V. | Pultrusion method of making composite friction members |
US6521152B1 (en) * | 2000-03-16 | 2003-02-18 | Honeywell International Inc. | Method for forming fiber reinforced composite parts |
US20030114575A1 (en) * | 2000-08-25 | 2003-06-19 | General Electric Company | Fiber reinforced thermoplastic composition |
DE10131769C5 (de) * | 2001-06-30 | 2010-02-18 | Audi Ag | Bremssystem mit Verbundwerkstoff-Bremsscheibe |
DE10132659A1 (de) * | 2001-07-05 | 2003-01-23 | Trocellen Gmbh | Verfahren zur Herstellung anorganisch gebundener Reibbeläge |
US20030055126A1 (en) * | 2001-09-17 | 2003-03-20 | Jianmei Pan | Brake pad lining filler material |
US6709738B2 (en) | 2001-10-15 | 2004-03-23 | 3M Innovative Properties Company | Coated substrate with energy curable cyanate resin |
DE10156947A1 (de) * | 2001-11-20 | 2003-06-26 | Porsche Ag | Kupplung zwischen einer Brennkraftmaschine und einem Getriebe |
JP4224703B2 (ja) * | 2002-01-31 | 2009-02-18 | 日東紡績株式会社 | 電磁波吸収材 |
DE10218560B4 (de) * | 2002-04-25 | 2004-06-03 | Tmd Friction Europe Gmbh | Verfahren zum Herstellen eines harzgebundenen Formteils |
KR100522254B1 (ko) * | 2002-08-21 | 2005-10-18 | 백원두 | 브레이크 라이닝(또는 패드) 제조 방법 |
DE10253233A1 (de) * | 2002-11-15 | 2004-06-03 | Dr.Ing.H.C. F. Porsche Ag | Kupplung, vorzugsweise Mehrscheibenkupplung |
US20040158005A1 (en) * | 2002-12-18 | 2004-08-12 | Bloom Joy Sawyer | Low coefficient of friction thermoplastic containing filler |
DE102004027239A1 (de) * | 2004-06-03 | 2005-12-22 | Gebrüder Lödige Maschinenbau-Gesellschaft mit beschränkter Haftung | Rotationsspaltgranulation |
CN1294227C (zh) * | 2004-09-14 | 2007-01-10 | 山东鲁阳股份有限公司 | 摩擦材料用布 |
CN1796442B (zh) * | 2004-12-27 | 2011-02-16 | 朱建平 | 半金属基摩擦材料及其制造方法 |
WO2006099392A2 (en) * | 2005-03-11 | 2006-09-21 | New Jersey Institute Of Technology | Microwave induced functionalization of single wall carbon nanotubes and composites prepared therefrom |
JP4766925B2 (ja) * | 2005-06-02 | 2011-09-07 | 日清紡ホールディングス株式会社 | 摩擦材の製造方法 |
US7294188B2 (en) * | 2005-12-20 | 2007-11-13 | Akebono Corporation (North America) | Mixing method for friction material with a pre-mix in a single mixer |
US7441636B2 (en) * | 2006-04-12 | 2008-10-28 | Shimano, Inc. | Bicycle disk brake pad with titanium fiber friction material |
US8689671B2 (en) | 2006-09-29 | 2014-04-08 | Federal-Mogul World Wide, Inc. | Lightweight armor and methods of making |
US20090022983A1 (en) * | 2007-07-17 | 2009-01-22 | David William Cabell | Fibrous structures |
EP2023001A3 (en) * | 2007-08-10 | 2012-03-21 | Aisin Kako Kabushiki Kaisha | Wet friction material |
JP5334466B2 (ja) * | 2007-08-10 | 2013-11-06 | アイシン化工株式会社 | 湿式摩擦材 |
US8114322B2 (en) * | 2008-10-08 | 2012-02-14 | Lilo Ben-Zicron | Friction material and method for making same |
KR101355781B1 (ko) | 2009-06-01 | 2014-01-24 | 히타치가세이가부시끼가이샤 | 마찰재 조성물, 이를 이용한 마찰재 및 마찰 부재 |
US20100314790A1 (en) * | 2009-06-12 | 2010-12-16 | Stansberry Peter G | Highly Oriented Graphite Product |
US8434346B2 (en) | 2009-12-18 | 2013-05-07 | Varel Europe S.A.S. | Synthetic materials for PDC cutter testing or for testing other superhard materials |
EP2518124B1 (en) * | 2009-12-22 | 2021-04-07 | Akebono Brake Industry Co., Ltd. | Method for producing a friction material |
DE102010042820A1 (de) * | 2010-10-22 | 2012-05-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Erwärmung eines Faser-Kunststoff-Verbundwerkstoffes |
DE102012017874A1 (de) * | 2012-09-11 | 2014-03-27 | Hoerbiger Antriebstechnik Holding Gmbh | Verfahren zur Herstellung eines Reibbelags sowie Reibbelag |
JP6581504B2 (ja) * | 2012-09-19 | 2019-09-25 | モーメンティブ・パフォーマンス・マテリアルズ・インク | 窒化ホウ素を含むマスターバッチ、その複合体粉末、ならびにそのような材料を含む組成物および物品 |
CN107035794A (zh) * | 2012-10-26 | 2017-08-11 | 住友电木株式会社 | 背板用组合物、背板、制动片和卡钳装置 |
CN105247233B (zh) * | 2013-06-04 | 2019-01-08 | 舍弗勒技术股份两合公司 | 多层的摩擦衬片 |
US9677635B2 (en) * | 2013-07-29 | 2017-06-13 | Borgwarner Inc. | Friction material |
JP6247079B2 (ja) * | 2013-11-12 | 2017-12-13 | 曙ブレーキ工業株式会社 | 摩擦材 |
CN103642460B (zh) * | 2013-12-25 | 2015-04-29 | 重庆红宇摩擦制品有限公司 | 无铜环保型汽车用摩擦材料配方 |
CN104098042B (zh) * | 2014-05-04 | 2016-07-06 | 中国矿业大学盱眙矿山装备与材料研发中心 | 一种纳米铁磁性矿井提升机闸瓦配方及其制作方法 |
US10131113B2 (en) | 2015-05-13 | 2018-11-20 | Honeywell International Inc. | Multilayered carbon-carbon composite |
US9944526B2 (en) | 2015-05-13 | 2018-04-17 | Honeywell International Inc. | Carbon fiber preforms |
US10302163B2 (en) | 2015-05-13 | 2019-05-28 | Honeywell International Inc. | Carbon-carbon composite component with antioxidant coating |
US10035305B2 (en) | 2015-06-30 | 2018-07-31 | Honeywell International Inc. | Method of making carbon fiber preforms |
CN105156527A (zh) * | 2015-08-31 | 2015-12-16 | 苏州莱特复合材料有限公司 | 用于汽车刹车片的复合材料及其制备方法 |
US10022890B2 (en) | 2015-09-15 | 2018-07-17 | Honeywell International Inc. | In situ carbonization of a resin to form a carbon-carbon composite |
US10300631B2 (en) | 2015-11-30 | 2019-05-28 | Honeywell International Inc. | Carbon fiber preforms |
CN109844351B (zh) | 2016-11-15 | 2023-06-20 | 博格华纳公司 | 摩擦材料 |
CN106838078B (zh) * | 2017-01-10 | 2020-10-30 | 湖北比尔克新材科技有限公司 | 一种无石棉可控弹性梯度制动片及其制备方法 |
CN108928010B (zh) * | 2017-05-24 | 2021-03-09 | 江苏三斯风电科技有限公司 | 一种轻量化、具有减噪性的风力偏航制动器的制造工艺 |
CN107081868A (zh) * | 2017-05-31 | 2017-08-22 | 海盐欧亚特汽配有限公司 | 一种鼓式刹车片的低温固化工艺 |
US20200158199A1 (en) * | 2018-11-16 | 2020-05-21 | Schaeffler Technologies AG & Co. KG | Wet friction materials with mica silicate |
US10876258B2 (en) | 2018-11-27 | 2020-12-29 | Solenis Technologies, L.P. | Method for improving filler and fiber retention in paper making processes |
DE102019107368B3 (de) * | 2019-03-22 | 2020-06-10 | Tmd Friction Services Gmbh | Bindemittelfreie Reibbeläge, Verfahren zu ihrer Herstellung und ihre Verwendung |
US20210341026A1 (en) * | 2020-04-29 | 2021-11-04 | Schaeffler Technologies AG & Co. KG | Method for forming a double layer wet friction material with cellulose layer |
CN113043181A (zh) * | 2021-02-02 | 2021-06-29 | 泉州众志新材料科技有限公司 | 一种树脂金刚石磨片的成型方法 |
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US3671542A (en) * | 1966-06-13 | 1972-06-20 | Du Pont | Optically anisotropic aromatic polyamide dopes |
DE2105998C3 (de) * | 1971-02-09 | 1979-02-15 | Furnier- Und Sperrholzwerk J.F. Werz Jr. Kg Werzalit-Pressholzwerk, 7141 Oberstenfeld | Vorrichtung zur Herstellung von Formteilen aus einem Gemisch von lignozellulosehaltigen Faserstoffen und einem wärmehärtenden Bindemittel |
US3835118A (en) * | 1973-05-14 | 1974-09-10 | Bendix Corp | Sponge iron friction material |
US3975487A (en) * | 1973-08-20 | 1976-08-17 | The Carborundum Company | Process for spinning high modulus oxybenzoyl copolyester fibers |
PH15509A (en) * | 1974-05-10 | 1983-02-03 | Du Pont | Improvements in an relating to synthetic polyesters |
US3950149A (en) * | 1974-05-16 | 1976-04-13 | Heijiro Fukuda | Method for continuously producing resinoid wheels |
US4048148A (en) * | 1975-05-09 | 1977-09-13 | E. I. Du Pont De Nemours And Company | Polyazomethine fibers and films |
US4161470A (en) * | 1977-10-20 | 1979-07-17 | Celanese Corporation | Polyester of 6-hydroxy-2-naphthoic acid and para-hydroxy benzoic acid capable of readily undergoing melt processing |
DE2966721D1 (en) * | 1978-07-24 | 1984-04-05 | Ici Plc | Thermotropic polyesteramides |
DE2935205A1 (de) * | 1979-08-31 | 1981-04-09 | Glyco-Metall-Werke Daelen & Loos Gmbh, 6200 Wiesbaden | Schichtverbundwerkstoff |
DE2935202A1 (de) * | 1979-08-31 | 1981-03-26 | Licentia Patent-Verwaltungs-Gmbh, 60596 Frankfurt | Kontaktsystem fuer schaltgeraete mit hohen kurzschlussstroemen |
US4412841A (en) * | 1981-06-29 | 1983-11-01 | Inland Steel Company | Compacted carbonaceous shapes and process for making the same |
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US4388423A (en) * | 1981-11-02 | 1983-06-14 | Glennco Trust | Friction lining material |
JPS58142916A (ja) * | 1982-02-18 | 1983-08-25 | Inoue Japax Res Inc | 摩擦材の製造方法 |
US4403012A (en) * | 1982-03-19 | 1983-09-06 | Allied Corporation | Ballistic-resistant article |
US4457985A (en) * | 1982-03-19 | 1984-07-03 | Allied Corporation | Ballistic-resistant article |
FR2525959A1 (fr) * | 1982-04-30 | 1983-11-04 | Roulements Soc Nouvelle | Procede et dispositif de fabrication de materiaux composites organo-metalliques et notamment d'articles de friction |
US4415363A (en) * | 1982-05-03 | 1983-11-15 | The Bendix Corporation | Sintered iron base friction material |
US4432922A (en) * | 1982-07-29 | 1984-02-21 | Glennco Trust | Process for molding a brake lining friction product |
US4537823A (en) * | 1983-11-18 | 1985-08-27 | Allied Corporation | Method of manufacturing a friction article |
US4605595A (en) * | 1983-11-18 | 1986-08-12 | Allied Corporation | Method of manufacturing a friction article |
US4668850A (en) * | 1984-01-12 | 1987-05-26 | Akebono Brake Industry Co. Ltd. | High frequency induction heating device for brake shoe lining |
US4748064A (en) * | 1985-01-14 | 1988-05-31 | Allied Corporation | Ballistic-resistant composite article |
US4623574A (en) * | 1985-01-14 | 1986-11-18 | Allied Corporation | Ballistic-resistant composite article |
US4613535A (en) * | 1985-02-28 | 1986-09-23 | Allied Corporation | Complex composite article having improved impact resistance |
US4737402A (en) * | 1985-02-28 | 1988-04-12 | Allied Corporation | Complex composite article having improved impact resistance |
US4617165A (en) * | 1985-05-13 | 1986-10-14 | Tsang Peter H S | Molded brake pad |
JPS6213479A (ja) * | 1985-07-10 | 1987-01-22 | Sumitomo Electric Ind Ltd | 摩擦材料 |
US4831086A (en) * | 1987-10-05 | 1989-05-16 | Allied-Signal Inc. | Cyanato group containing phenolic resins, phenolic triazines derived therefrom |
US4748193A (en) * | 1986-09-29 | 1988-05-31 | Allied Corporation | Friction material |
US5104599A (en) * | 1987-03-05 | 1992-04-14 | Allied-Signal Inc. | Method of forming short fibers composed of anisotropic polymers |
US5225489A (en) * | 1987-03-05 | 1993-07-06 | Allied-Signal Inc. | Composites of thermoplastic and thermoplastic polymers having therein short fibers derived from anisotropic polymers |
US4916000A (en) * | 1987-07-13 | 1990-04-10 | Allied-Signal Inc. | Ballistic-resistant composite article |
AT398726B (de) * | 1987-09-29 | 1995-01-25 | Leinweber Anstalt Ing Joh | Verfahren und presse zur herstellung von blöcken |
US4920159A (en) * | 1987-12-28 | 1990-04-24 | Allies-Signal Inc. | Friction resistant composition |
US4997067A (en) * | 1989-06-26 | 1991-03-05 | Fenner America, Inc. | Friction apparatus |
US6001300A (en) * | 1989-12-06 | 1999-12-14 | C.A. Lawton Company | Method for making rigid three-dimensional preforms using directed electromagnetic energy |
NO172153C (no) * | 1989-12-22 | 1993-06-09 | Icelandic Alloys Ltd | Ildfast beleggsammensetning i form av en smet- eller sproeytemasse for beskyttelse av foringer i metallurgiske smelteovner, tappe- og stoepeoeser, renner og tappetuter |
US5272216A (en) * | 1990-12-28 | 1993-12-21 | Westinghouse Electric Corp. | System and method for remotely heating a polymeric material to a selected temperature |
US5360587A (en) * | 1992-01-15 | 1994-11-01 | Plastics Engineering Company | Preparation of friction elements and compositions therefor |
US5406056A (en) * | 1994-05-02 | 1995-04-11 | Board Of Trustees Operating Michigan State University | Electromagnetic curing apparatus and method of use |
-
1995
- 1995-02-03 US US08/383,390 patent/US5576358A/en not_active Expired - Lifetime
-
1996
- 1996-01-30 BR BR9607559-7A patent/BR9607559A/pt not_active IP Right Cessation
- 1996-01-30 KR KR1019970705334A patent/KR100415863B1/ko not_active IP Right Cessation
- 1996-01-30 JP JP52362796A patent/JP3851349B2/ja not_active Expired - Fee Related
- 1996-01-30 AT AT96908447T patent/ATE199971T1/de active
- 1996-01-30 WO PCT/US1996/001024 patent/WO1996023952A2/en active IP Right Grant
- 1996-01-30 EP EP96908447A patent/EP0807215B1/en not_active Expired - Lifetime
- 1996-01-30 CN CN96191725A patent/CN1095050C/zh not_active Expired - Fee Related
- 1996-01-30 ES ES96908447T patent/ES2157434T3/es not_active Expired - Lifetime
- 1996-01-30 DE DE69612186T patent/DE69612186T2/de not_active Expired - Lifetime
- 1996-01-30 AU AU51682/96A patent/AU705898B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JPH11500151A (ja) | 1999-01-06 |
JP3851349B2 (ja) | 2006-11-29 |
CN1095050C (zh) | 2002-11-27 |
AU5168296A (en) | 1996-08-21 |
WO1996023952A2 (en) | 1996-08-08 |
CN1176685A (zh) | 1998-03-18 |
AU705898B2 (en) | 1999-06-03 |
ES2157434T3 (es) | 2001-08-16 |
DE69612186T2 (de) | 2001-11-22 |
EP0807215B1 (en) | 2001-03-21 |
US5576358A (en) | 1996-11-19 |
DE69612186D1 (de) | 2001-04-26 |
KR100415863B1 (ko) | 2004-04-03 |
ATE199971T1 (de) | 2001-04-15 |
EP0807215A2 (en) | 1997-11-19 |
KR19980701937A (ko) | 1998-06-25 |
WO1996023952A3 (en) | 1996-09-26 |
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