HK1020077A1 - Magnetic deinking of waste papers - Google Patents
Magnetic deinking of waste papersInfo
- Publication number
- HK1020077A1 HK1020077A1 HK99105283A HK99105283A HK1020077A1 HK 1020077 A1 HK1020077 A1 HK 1020077A1 HK 99105283 A HK99105283 A HK 99105283A HK 99105283 A HK99105283 A HK 99105283A HK 1020077 A1 HK1020077 A1 HK 1020077A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- magnetic
- waste paper
- pulp
- removal
- little
- Prior art date
Links
- 239000002761 deinking Substances 0.000 title abstract 2
- 239000002699 waste material Substances 0.000 title 1
- 239000000976 ink Substances 0.000 abstract 6
- 238000000034 method Methods 0.000 abstract 4
- 239000010893 paper waste Substances 0.000 abstract 3
- 238000005054 agglomeration Methods 0.000 abstract 2
- 230000002776 aggregation Effects 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 239000012876 carrier material Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000010908 decantation Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000005188 flotation Methods 0.000 abstract 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 1
- 238000007885 magnetic separation Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0335—Component parts; Auxiliary operations characterised by the magnetic circuit using coils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
- B03C1/288—Magnetic plugs and dipsticks disposed at the outer circumference of a recipient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/005—Forming fibrous aggregates
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Developing Agents For Electrophotography (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18374694A | 1994-01-21 | 1994-01-21 | |
US08/238,478 US5527426A (en) | 1994-01-21 | 1994-05-05 | Magnetic deinking of waste papers |
CA 2248131 CA2248131A1 (en) | 1994-01-21 | 1996-03-08 | Magnetic deinking of waste papers |
PCT/US1996/002688 WO1997033036A1 (en) | 1994-01-21 | 1996-03-08 | Magnetic deinking of waste papers |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1020077A1 true HK1020077A1 (en) | 2000-03-10 |
Family
ID=40547912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK99105283A HK1020077A1 (en) | 1994-01-21 | 1999-11-16 | Magnetic deinking of waste papers |
Country Status (10)
Country | Link |
---|---|
US (1) | US5527426A (de) |
EP (1) | EP0885325B1 (de) |
JP (1) | JP3171448B2 (de) |
AT (1) | ATE202809T1 (de) |
CA (1) | CA2248131A1 (de) |
DE (1) | DE69613721T2 (de) |
DK (1) | DK0885325T3 (de) |
ES (1) | ES2160813T3 (de) |
HK (1) | HK1020077A1 (de) |
WO (1) | WO1997033036A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5685952A (en) * | 1993-04-21 | 1997-11-11 | Owen; David Malcolm | Deinking of paper using magnetic forces |
EP0869218A1 (de) * | 1995-05-22 | 1998-10-07 | Westvaco Corporation | Abtrennung von Klebstoffen aus Altpapier mit Hilfe von Magnetkraft |
US6245195B1 (en) * | 1996-03-19 | 2001-06-12 | Westvaco Corporation | Decontamination of waste papers |
US5997812A (en) | 1996-06-20 | 1999-12-07 | Coolant Treatment Systems, L.L.C. | Methods and apparatus for the application of combined fields to disinfect fluids |
US6006920A (en) * | 1997-05-09 | 1999-12-28 | Dry Branch Kaolin Company | Brightness, reduced impurity clays and methods of making same |
EP1217121A1 (de) * | 2000-12-04 | 2002-06-26 | Westvaco Corporation | Aufarbeitung von Altpapier |
US7217368B2 (en) * | 2001-12-10 | 2007-05-15 | Clearwater Systems Corporation | Method and apparatus for liquid treatment with combined electronic and centrifugal processes to remove contaminants |
EP1660593A2 (de) * | 2003-08-11 | 2006-05-31 | Imerys Kaolin, Inc. | Hochweisses metakaolin und hochweisses, vollständig kalziniertes kaolin |
US7169257B2 (en) * | 2003-11-12 | 2007-01-30 | Kemira Chemicals, Inc. | Method of deinking waste paper using a reduced alkali system |
US7381305B2 (en) * | 2005-03-25 | 2008-06-03 | The United States Of America As Represented By The Secretary Of Agriculture | Method and apparatus for monitoring liquid and solid contents in a froth |
US7981288B2 (en) * | 2005-11-21 | 2011-07-19 | Evapco, Inc. | Pulse resonating device |
JP5342479B2 (ja) * | 2010-03-15 | 2013-11-13 | 合資会社オリエンタル | 文書細断屑用古紙再生装置 |
WO2017011726A1 (en) * | 2015-07-15 | 2017-01-19 | Kimberly-Clark Worldwide, Inc. | Method for clean fiber recovery from contaminated articles involving the addition of magnetic particles |
WO2019023395A1 (en) | 2017-07-25 | 2019-01-31 | Magnomer Llc | METHODS AND COMPOSITIONS FOR MAGNETISABLE PLASTIC MATERIALS |
CN107938412A (zh) * | 2017-11-21 | 2018-04-20 | 常州思宇环保材料科技有限公司 | 一种高效废纸脱墨装置及其应用方法 |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4147616A (en) * | 1972-03-09 | 1979-04-03 | Vyskumny Ustav Papieru A Celulosy Of Bratislava | Apparatus for deinking printed wastepapers |
US4013505A (en) * | 1972-03-09 | 1977-03-22 | Vyzkumny Ustav Papieru A Celulosy | Method of deinking printed wastepapers |
US4076578A (en) * | 1974-10-21 | 1978-02-28 | Canadian Patents And Development Limited | Ink removal from waste paper |
SE399574C (sv) * | 1974-12-05 | 1982-07-05 | Moelnlycke Ab | Sett for framstellning av fluffmassa |
US4203376A (en) * | 1976-12-21 | 1980-05-20 | Refuse Derived Fuels (London) Limited | Treatment of waste |
US4176054A (en) * | 1977-05-16 | 1979-11-27 | Kelley Joseph A | Waste paper recycling |
DE2750191C3 (de) * | 1977-11-10 | 1981-04-23 | J.M. Voith Gmbh, 7920 Heidenheim | Vorrichtung zur Aufbereitung von Altpapier |
US4440635A (en) * | 1979-03-29 | 1984-04-03 | Haigh M. Reiniger | Process and apparatus for the recovery of cellulose fibers from paper-plastic mixtures |
US4318804A (en) * | 1979-11-16 | 1982-03-09 | Kanetsu Kogyo Kabushiki Kaisha | Device for separating mixture |
FR2482989A1 (fr) * | 1980-05-22 | 1981-11-27 | Interox | Procede pour la regeneration de vieux papiers |
JPS583073A (ja) * | 1981-06-30 | 1983-01-08 | Fujitsu Ltd | バ−コ−ド読取方式 |
IT1155310B (it) * | 1982-04-19 | 1987-01-28 | Jean Marie Clement | Procedimento per il trattamento di riciclaggio di carta stampata da macero |
US4561933A (en) * | 1983-10-17 | 1985-12-31 | Shell Oil Company | Xerographics deinking |
EP0204860B1 (de) * | 1985-06-13 | 1989-01-25 | Ibm Deutschland Gmbh | Verfahren und Anordnungen zur Bestimmung der Eigenschaften magnetischer Beschichtungzusammensetzungen sowie zur Verbesserung magnetischer Partikeldispersionen |
US4820379A (en) * | 1986-10-16 | 1989-04-11 | Ppg Industries, Inc. | Method for deinking wastepaper with a halogenated polyethylene oxide and a polymeric material |
US5102500A (en) * | 1986-10-16 | 1992-04-07 | Ppg Industries, Inc. | Method for deinking wastepaper using alkoxy capped polyethylene oxide and a polymeric material |
FR2612212B1 (fr) * | 1987-03-13 | 1990-06-29 | Centre Tech Ind Papier | Procede et installation pour le recyclage de vieux papiers imprimes |
JPS6456156A (en) * | 1987-08-26 | 1989-03-03 | Meiwa Seishi Genryo Kk | Separation and recovering method for paper pulp component from magnetic recording paper and device used therefor |
US5004664A (en) * | 1989-02-27 | 1991-04-02 | Xerox Corporation | Toner and developer compositions containing biodegradable semicrystalline polyesters |
US4974781A (en) * | 1989-03-09 | 1990-12-04 | The Placzek Family Trust | Method and apparatus for preparing paper-containing and plastic-containing waste materials for component fraction separation |
DE3923393A1 (de) * | 1989-07-14 | 1991-01-17 | Henkel Kgaa | Verfahren zur altpapieraufbereitung |
DE3934478A1 (de) * | 1989-10-16 | 1991-04-18 | Organ Faser Technology Co | Verfahren zur aufbereitung von haushalts-, gewerbe- und anderen vergleichbaren abfaellen mit gewinnung eines cellulosematerials |
JPH07880B2 (ja) * | 1989-12-27 | 1995-01-11 | 本州製紙株式会社 | 古紙の再生処理方法 |
US5173176A (en) * | 1990-02-23 | 1992-12-22 | The Dow Chemical Company | Dialkylated aryl monosulfonate collectors useful in the flotation of minerals |
US5171427A (en) * | 1990-02-23 | 1992-12-15 | The Dow Chemical Company | Sulfonated and carboxylate collector compositions useful in the flotation of minerals |
US5015367A (en) * | 1990-02-23 | 1991-05-14 | The Dow Chemical Company | Alkylated diaryl oxide monosulfonate collectors useful in the floatation of minerals |
US5224604A (en) * | 1990-04-11 | 1993-07-06 | Hydro Processing & Mining Ltd. | Apparatus and method for separation of wet and dry particles |
US5069751A (en) * | 1990-08-09 | 1991-12-03 | Kamyr, Inc. | Hydrocyclone deinking of paper during recycling |
US5080759A (en) * | 1990-09-04 | 1992-01-14 | Quaker Chemical Corporation | Method for controlling stickies in pulp and papermaking processes using recycled paper |
EP0483571B1 (de) * | 1990-10-30 | 1995-02-01 | BK LADENBURG GmbH, Gesellschaft für chemische Erzeugnisse | Verfahren zur Wiedergewinnung von Fasern durch Flotationsdeinken aus Altpapier |
US5200034A (en) * | 1991-04-25 | 1993-04-06 | Betz Paperchem, Inc. | Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper |
US5141598A (en) * | 1991-04-25 | 1992-08-25 | Betz Paperchem, Inc. | Process and composition for deinking dry toner electrostatic printed wastepaper |
US5151155A (en) * | 1991-05-09 | 1992-09-29 | Rheox, Inc. | Process for deinking wastepaper with organically modified smectite clay |
US5213661A (en) * | 1991-05-21 | 1993-05-25 | Air Products And Chemicals, Inc. | Oxygen alkali detackification in secondary fiber recovery |
US5211809A (en) * | 1991-05-21 | 1993-05-18 | Air Products And Chemicals, Inc,. | Dye removal in oxygen color stripping of secondary fibers |
US5227019A (en) * | 1991-07-31 | 1993-07-13 | Shell Oil Company | Wastepaper deinking process |
US5238538A (en) * | 1991-11-25 | 1993-08-24 | Georgia Tech Research Corporation | Method for deinking recycled fiber by applying direct current electric field |
US5225046A (en) * | 1992-02-26 | 1993-07-06 | Shell Oil Company | Wastepaper deinking process |
US5217573A (en) * | 1992-04-23 | 1993-06-08 | International Paper Company | Removal of laser printer and xerographic ink from recycle paper |
GB9308250D0 (en) * | 1993-04-21 | 1993-06-02 | Dotspec Ltd | Improvements in or relating to deinking of paper |
US5413675A (en) * | 1993-05-06 | 1995-05-09 | Westvaco Corporation | Method of deinking laser printed wastepaper |
CA2123328A1 (en) * | 1993-12-13 | 1995-06-14 | Kimberly-Clark Worldwide, Inc. | Magnetic deinking |
-
1994
- 1994-05-05 US US08/238,478 patent/US5527426A/en not_active Expired - Fee Related
-
1996
- 1996-03-08 JP JP53172397A patent/JP3171448B2/ja not_active Expired - Fee Related
- 1996-03-08 AT AT96910340T patent/ATE202809T1/de not_active IP Right Cessation
- 1996-03-08 DK DK96910340T patent/DK0885325T3/da active
- 1996-03-08 WO PCT/US1996/002688 patent/WO1997033036A1/en active IP Right Grant
- 1996-03-08 CA CA 2248131 patent/CA2248131A1/en not_active Abandoned
- 1996-03-08 ES ES96910340T patent/ES2160813T3/es not_active Expired - Lifetime
- 1996-03-08 DE DE69613721T patent/DE69613721T2/de not_active Expired - Fee Related
- 1996-03-08 EP EP96910340A patent/EP0885325B1/de not_active Expired - Lifetime
-
1999
- 1999-11-16 HK HK99105283A patent/HK1020077A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1997033036A1 (en) | 1997-09-12 |
CA2248131A1 (en) | 1997-09-12 |
JP3171448B2 (ja) | 2001-05-28 |
DE69613721T2 (de) | 2002-05-16 |
ATE202809T1 (de) | 2001-07-15 |
DE69613721D1 (de) | 2001-08-09 |
DK0885325T3 (da) | 2001-09-24 |
EP0885325A1 (de) | 1998-12-23 |
US5527426A (en) | 1996-06-18 |
EP0885325B1 (de) | 2001-07-04 |
ES2160813T3 (es) | 2001-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20060308 |