JP2006515375A5 - - Google Patents
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- Publication number
- JP2006515375A5 JP2006515375A5 JP2004508133A JP2004508133A JP2006515375A5 JP 2006515375 A5 JP2006515375 A5 JP 2006515375A5 JP 2004508133 A JP2004508133 A JP 2004508133A JP 2004508133 A JP2004508133 A JP 2004508133A JP 2006515375 A5 JP2006515375 A5 JP 2006515375A5
- Authority
- JP
- Japan
- Prior art keywords
- fluoropolymer dispersion
- anion exchange
- exchange resin
- aqueous
- dispersion
- 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.)
- Granted
Links
- 229920002313 fluoropolymer Polymers 0.000 claims 20
- 239000004811 fluoropolymer Substances 0.000 claims 20
- 239000006185 dispersion Substances 0.000 claims 18
- 239000003957 anion exchange resin Substances 0.000 claims 11
- 239000003995 emulsifying agent Substances 0.000 claims 5
- 238000000034 method Methods 0.000 claims 5
- 239000004094 surface-active agent Substances 0.000 claims 4
- 239000002736 nonionic surfactant Substances 0.000 claims 2
- -1 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 238000003756 stirring Methods 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 238000010923 batch production Methods 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02100547A EP1364972B1 (en) | 2002-05-22 | 2002-05-22 | Process for reducing the amount of fluorinated surfactant in aqueous fluoropolymer dispersions |
| PCT/US2003/013839 WO2003099879A1 (en) | 2002-05-22 | 2003-05-05 | Process for reducing the amount of fluorinated surfactant in aqueous fluoropolymer dispersions |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006515375A JP2006515375A (ja) | 2006-05-25 |
| JP2006515375A5 true JP2006515375A5 (enExample) | 2006-07-06 |
| JP4351155B2 JP4351155B2 (ja) | 2009-10-28 |
Family
ID=29286201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004508133A Expired - Fee Related JP4351155B2 (ja) | 2002-05-22 | 2003-05-05 | 水性フルオロポリマー分散系中のフッ素化界面活性剤の量を減少させる方法 |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US6825250B2 (enExample) |
| EP (1) | EP1364972B1 (enExample) |
| JP (1) | JP4351155B2 (enExample) |
| CN (1) | CN1656128A (enExample) |
| AT (1) | ATE338073T1 (enExample) |
| AU (1) | AU2003234457A1 (enExample) |
| CA (1) | CA2484299A1 (enExample) |
| DE (1) | DE60214343T2 (enExample) |
| RU (1) | RU2319712C2 (enExample) |
| WO (1) | WO2003099879A1 (enExample) |
| ZA (1) | ZA200410285B (enExample) |
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19857111A1 (de) * | 1998-12-11 | 2000-06-15 | Dyneon Gmbh | Wäßrige Dispersionen von Fluorpolymeren |
| US7125941B2 (en) * | 2001-03-26 | 2006-10-24 | 3M Innovative Properties Company | Aqueous emulsion polymerization process for producing fluoropolymers |
| US7279522B2 (en) | 2001-09-05 | 2007-10-09 | 3M Innovative Properties Company | Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant |
| US7064170B2 (en) * | 2002-10-31 | 2006-06-20 | 3M Innovative Properties Company | Emulsifier free aqueous emulsion polymerization to produce copolymers of a fluorinated olefin and hydrocarbon olefin |
| EP1441014A1 (en) * | 2003-01-22 | 2004-07-28 | 3M Innovative Properties Company | Aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer and having a reduced amount of fluorinated surfactant |
| EP1452571B1 (en) * | 2003-02-28 | 2005-08-17 | 3M Innovative Properties Company | Fluoropolymer dispersion containing no or little low molecular weight fluorinated surfactant |
| EP1462465B1 (en) * | 2003-03-25 | 2012-02-22 | 3M Innovative Properties Company | Melt-processible thermoplastic fluoropolymers having improved processing characteristics and method of producing the same |
| ATE502062T1 (de) * | 2003-10-24 | 2011-04-15 | 3M Innovative Properties Co | Wässrige dispersionen von polytetrafluorethylenteilchen |
| ATE529451T1 (de) | 2003-11-17 | 2011-11-15 | 3M Innovative Properties Co | Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren |
| ITMI20040031A1 (it) * | 2004-01-14 | 2004-04-14 | Solvay Solexis Spa | Processo per la preparazione di dispersori di fluoropolimeri |
| EP1561729A1 (en) * | 2004-02-05 | 2005-08-10 | 3M Innovative Properties Company | Removal of fluorinated surfactants from waste water |
| DE602004021467D1 (de) * | 2004-03-01 | 2009-07-23 | 3M Innovative Properties Co | Verfahren zum Beschichten eines Gegenstands mit einer fluorhaltigen Kunststoffsdispersion |
| DE602004016136D1 (de) * | 2004-07-05 | 2008-10-09 | 3M Innovative Properties Co | Grundierung aus PTFE für Metallsubstrate |
| US7304101B2 (en) * | 2004-07-19 | 2007-12-04 | 3M Innovative Properties Company | Method of purifying a dispersion of ionic fluoropolymer |
| US20060014887A1 (en) * | 2004-07-19 | 2006-01-19 | 3M Innovative Properties Company | Method of hydrolyzing a dispersion of ionic fluoropolymer |
| US7790041B2 (en) * | 2004-08-11 | 2010-09-07 | E.I. Du Pont De Nemours And Company | Removing fluorosurfactant from aqueous fluoropolymer dispersions |
| JP4838799B2 (ja) * | 2004-08-11 | 2011-12-14 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 収着剤パウチを使用する、水性フルオロポリマー分散体からのフルオロ界面活性剤の除去 |
| US20070023360A1 (en) | 2005-08-01 | 2007-02-01 | Noelke Charles J | Removing fluorosurfactant from aqueous fluoropolymer dispersion using sorbent pouches |
| US7138551B2 (en) * | 2004-11-05 | 2006-11-21 | E. I. Du Pont De Nemours And Company | Purification of fluorinated alcohols |
| US7666927B2 (en) * | 2004-12-22 | 2010-02-23 | E.I. Du Pont De Nemours And Company | Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkylamines |
| US20060135681A1 (en) * | 2004-12-22 | 2006-06-22 | Cavanaugh Robert J | Viscosity control for reduced fluorosurfactant aqueous fluoropolymer dispersions by the addition of cationic surfactant |
| US7659329B2 (en) * | 2004-12-22 | 2010-02-09 | E. I. Du Pont De Nemours And Company | Removing fluorosurfactant from aqueous fluoropolymer dispersions using monodisperse ion exchange resin |
| US7619018B2 (en) * | 2004-12-22 | 2009-11-17 | E.I. Du Pont De Nemours And Company | Process for removing fluorosurfactant from aqueous fluoropolymer dispersions and reducing scum formation |
| WO2006077737A1 (ja) * | 2004-12-28 | 2006-07-27 | Daikin Industries, Ltd. | 含フッ素ポリマー水性分散液製造方法 |
| ITMI20042553A1 (it) | 2004-12-30 | 2005-03-30 | Solvay Solexis Spa | Processo per la preparazione di dispersioni di fluoropolimeri |
| ITMI20042554A1 (it) * | 2004-12-30 | 2005-03-30 | Solvay Solexis Spa | Procedimento per la preparazione di dispersioni di fluoropolimeri |
| US20060183842A1 (en) * | 2005-02-10 | 2006-08-17 | Johnson David W | Fluoropolymer dispersions with reduced fluorosurfactant content and high shear stability |
| US20060178472A1 (en) * | 2005-02-10 | 2006-08-10 | Johnson David W | Process for producing low fluorosurfactant-containing aqueous fluoropolymer dispersions with controlled pH |
| US7671111B2 (en) * | 2005-02-10 | 2010-03-02 | E.I. Du Pont De Nemours And Company | Monitoring column breakthrough in a process for removing fluorosurfactant from aqueous fluoropolymer dispersions |
| JP5061446B2 (ja) * | 2005-03-04 | 2012-10-31 | 旭硝子株式会社 | 含フッ素エラストマーラテックス、その製造方法、含フッ素エラストマーおよび含フッ素ゴム成形品 |
| EP1700869A1 (en) * | 2005-03-11 | 2006-09-13 | 3M Innovative Properties Company | Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups |
| US20060270780A1 (en) * | 2005-05-25 | 2006-11-30 | Ping Xu | High purity perfluoroelastomer composites and a processes to produce the same |
| US7488781B2 (en) * | 2005-05-25 | 2009-02-10 | Gore Enterprise Holdings, Inc. | High purity transparent perfluoroelastomer parts and a process to produce the same |
| US7514484B2 (en) * | 2005-06-06 | 2009-04-07 | Asahi Glass Company, Limited | Aqueous dispersion of polytetrafluoroethylene and process for its production |
| GB2427170A (en) * | 2005-06-17 | 2006-12-20 | 3M Innovative Properties Co | Fluoropolymer film having glass microspheres |
| JP4956925B2 (ja) * | 2005-07-13 | 2012-06-20 | 旭硝子株式会社 | ポリテトラフルオロエチレン水性分散液およびその製造方法 |
| GB0514398D0 (en) | 2005-07-15 | 2005-08-17 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant |
| US20070015937A1 (en) | 2005-07-15 | 2007-01-18 | 3M Innovative Properties Company | Process for recovery of fluorinated carboxylic acid surfactants from exhaust gas |
| GB0514387D0 (en) * | 2005-07-15 | 2005-08-17 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant |
| GB0523853D0 (en) | 2005-11-24 | 2006-01-04 | 3M Innovative Properties Co | Fluorinated surfactants for use in making a fluoropolymer |
| US20080015304A1 (en) * | 2006-07-13 | 2008-01-17 | Klaus Hintzer | Aqueous emulsion polymerization process for producing fluoropolymers |
| GB0525978D0 (en) * | 2005-12-21 | 2006-02-01 | 3M Innovative Properties Co | Fluorinated Surfactants For Making Fluoropolymers |
| ITMI20051397A1 (it) | 2005-07-21 | 2007-01-22 | Solvay Solexis Spa | Polveri fini di fluoropolimeri |
| ES2611988T3 (es) | 2005-08-08 | 2017-05-11 | Arkema Inc. | Polimerización de fluoropolímeros usando tensioactivos no fluorados |
| JP4792873B2 (ja) * | 2005-08-19 | 2011-10-12 | 旭硝子株式会社 | 精製ポリテトラフルオロエチレン水性分散液の製造方法 |
| GB2430437A (en) * | 2005-09-27 | 2007-03-28 | 3M Innovative Properties Co | Method of making a fluoropolymer |
| WO2007043278A1 (ja) * | 2005-10-14 | 2007-04-19 | Asahi Glass Company, Limited | 塩基性陰イオン交換樹脂の再生方法 |
| US7728087B2 (en) | 2005-12-23 | 2010-06-01 | 3M Innovative Properties Company | Fluoropolymer dispersion and method for making the same |
| ATE434004T1 (de) * | 2006-01-13 | 2009-07-15 | Asahi Glass Co Ltd | Verfahren zur herstellung von elastischem fluorcopolymer und vernetztem fluorkautschuk |
| EP1845116A1 (en) * | 2006-04-11 | 2007-10-17 | Solvay Solexis S.p.A. | Fluoropolymer dispersion purification |
| US20070276103A1 (en) * | 2006-05-25 | 2007-11-29 | 3M Innovative Properties Company | Fluorinated Surfactants |
| US7754795B2 (en) | 2006-05-25 | 2010-07-13 | 3M Innovative Properties Company | Coating composition |
| US7666928B2 (en) | 2006-05-31 | 2010-02-23 | E.I. Du Pont De Nemours And Company | Staged addition of non-fluorinated anionic surfactant to reduced fluorosurfactant fluoropolymer dispersion |
| US20070282044A1 (en) * | 2006-05-31 | 2007-12-06 | Robert John Cavanaugh | Concentrated fluoropolymer dispersions stabilized with anionic polyelectrolyte dispersing agents |
| WO2008004614A1 (en) * | 2006-07-06 | 2008-01-10 | Daikin Industries, Ltd. | Aqueous fluorine-containing polymer dispersion |
| JP5417847B2 (ja) * | 2006-07-07 | 2014-02-19 | ダイキン工業株式会社 | 含フッ素ポリマー水性分散液の製造方法及び含フッ素ポリマー水性分散液 |
| US8119750B2 (en) | 2006-07-13 | 2012-02-21 | 3M Innovative Properties Company | Explosion taming surfactants for the production of perfluoropolymers |
| CN101541840B (zh) * | 2006-11-24 | 2011-04-20 | 旭硝子株式会社 | 含氟乳化剂的含量降低了的含氟聚合物水性分散液的制造方法 |
| WO2008127461A2 (en) * | 2006-12-12 | 2008-10-23 | 3M Innovative Properties Company | Thermally stable fluoropolymers |
| GB0625071D0 (en) * | 2006-12-15 | 2007-01-24 | 3M Innovative Properties Co | Process for removing fluorinated emulsifier from fluoropolmer dispersions using an ion-exchange resin and dispersions obtained therefrom |
| BRPI0807109A2 (pt) * | 2007-02-16 | 2014-05-06 | 3M Innovative Properties Co | Sistema e processo para a remoção de fluoroquiímicos da água |
| WO2008109219A1 (en) * | 2007-03-06 | 2008-09-12 | 3M Innovative Properties Company | System and process for ultrasonically induced cavitation of fluorochemicals |
| US20080264864A1 (en) | 2007-04-27 | 2008-10-30 | 3M Innovative Properties Company | PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT |
| WO2009020187A1 (ja) * | 2007-08-07 | 2009-02-12 | Daikin Industries, Ltd. | 低分子量ポリテトラフルオロエチレン水性分散液、低分子量ポリテトラフルオロエチレン粉末及び低分子量ポリテトラフルオロエチレンの製造方法 |
| US8329813B2 (en) * | 2009-05-08 | 2012-12-11 | E I Du Pont De Nemours And Company | Thermal reduction of fluoroether carboxylic acids or salts from fluoropolymer dispersions |
| CN104403036B (zh) * | 2014-12-22 | 2017-02-22 | 上海三爱富新材料股份有限公司 | 水性含氟聚合物分散乳液及其制备方法 |
| CN117304372A (zh) * | 2017-03-31 | 2023-12-29 | 大金工业株式会社 | 含氟聚合物的组合物和成型体 |
| JP6750729B2 (ja) | 2017-03-31 | 2020-09-02 | ダイキン工業株式会社 | フルオロポリマーの製造方法、重合用界面活性剤及び界面活性剤の使用 |
| EP3960773B1 (en) * | 2019-04-26 | 2025-07-16 | Daikin Industries, Ltd. | Method for producing aqueous fluoropolymer dispersion, drainage treatment method, and aqueous fluoropolymer dispersion |
| US12240767B2 (en) | 2019-06-28 | 2025-03-04 | Katholieke Universiteit Leuven | Adsorptive removal of perfluorinated or partially fluorinated surfactants |
Family Cites Families (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4016345A (en) * | 1972-12-22 | 1977-04-05 | E. I. Du Pont De Nemours And Company | Process for polymerizing tetrafluoroethylene in aqueous dispersion |
| US4544458A (en) * | 1978-11-13 | 1985-10-01 | E. I. Du Pont De Nemours And Company | Fluorinated ion exchange polymer containing carboxylic groups, process for making same, and film and membrane thereof |
| DE2903981A1 (de) * | 1979-02-02 | 1980-08-07 | Hoechst Ag | Rueckgewinnung fluorierter emulgatorsaeuren aus basischen anionenaustauschern |
| DE2908001C2 (de) * | 1979-03-01 | 1981-02-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung konzentrierter Dispersionen von Fluorpolymeren |
| IT1204903B (it) * | 1986-06-26 | 1989-03-10 | Ausimont Spa | Processo di polimerizzazione in dispersione acquosa di monomeri florati |
| US5153322A (en) * | 1987-10-30 | 1992-10-06 | Minnesota Mining And Manufacturing Company | Perfluoro (cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof |
| US5229480A (en) * | 1992-09-03 | 1993-07-20 | E. I. Du Pont De Nemours And Company | Vinyl fluoride polymerization |
| IT1265067B1 (it) | 1993-05-18 | 1996-10-30 | Ausimont Spa | Processo di (co)polimerizzazione in emulsione acquosa di monomeri olefinici fluorurati |
| DE4402694A1 (de) * | 1993-06-02 | 1995-08-03 | Hoechst Ag | Verfahren zur Rückgewinnung von fluorierten Carbonsäuren |
| DE4340943A1 (de) * | 1993-12-01 | 1995-06-08 | Hoechst Ag | Wäßrige Dispersion von Fluorpolymerisaten, ihre Herstellung und Verwendung für Beschichtungen |
| IT1269517B (it) * | 1994-05-19 | 1997-04-01 | Ausimont Spa | Polimeri e copolimeri fluorurati contenenti strutture cicliche |
| JP2829706B2 (ja) * | 1994-07-11 | 1998-12-02 | 三井・デュポンフロロケミカル株式会社 | フルオロポリマー水性エマルジョン及びその製造方法 |
| JP3298321B2 (ja) * | 1994-08-31 | 2002-07-02 | ダイキン工業株式会社 | ビニリデンフルオライド系共重合体水性分散液、ビニリデンフルオライド系シード重合体水性分散液およびそれらの製法 |
| IT1270703B (it) | 1994-11-17 | 1997-05-07 | Ausimont Spa | Microemulsioni di fluoropoliossialchileni in miscela con idrocarburi, e loro uso in processi di (co)polimerizzazione di monomeri fluorurati |
| US5895799A (en) * | 1995-01-18 | 1999-04-20 | W. L. Gore & Associates, Inc. | Microemulsion polymerization process for the production of small polytetrafluoroethylene polymer particles |
| WO1996024622A1 (en) | 1995-02-10 | 1996-08-15 | Alliedsignal Inc. | Production of fluoropolymers, fluoropolymer suspension and polymer formed therefrom |
| EP0731081B1 (de) * | 1995-03-09 | 1998-04-15 | Dyneon GmbH | Rückgewinnung hochfluorierter Carbonsäuren aus der Gasphase |
| US5688884A (en) * | 1995-08-31 | 1997-11-18 | E. I. Du Pont De Nemours And Company | Polymerization process |
| IT1276072B1 (it) * | 1995-10-31 | 1997-10-24 | Ausimont Spa | Processo di (co)polimerizzazione di monomeri fluorurati per ottenere polimeri contenenti idrogeno |
| US5955556A (en) | 1995-11-06 | 1999-09-21 | Alliedsignal Inc. | Method of manufacturing fluoropolymers |
| JPH108041A (ja) * | 1996-06-21 | 1998-01-13 | Daikin Ind Ltd | 水分散型フッ素系撥水撥油剤 |
| IT1295535B1 (it) | 1996-07-01 | 1999-05-12 | Ausimont Spa | Processo di polimerizzazione di vinilidenfluoruro (vdf) |
| US5763552A (en) * | 1996-07-26 | 1998-06-09 | E. I. Du Pont De Nemours And Company | Hydrogen-containing flourosurfacant and its use in polymerization |
| US6013795A (en) * | 1996-11-04 | 2000-01-11 | 3M Innovative Properties Company | Alpha-branched fluoroalkylcarbonyl fluorides and their derivatives |
| IT1290428B1 (it) * | 1997-03-21 | 1998-12-03 | Ausimont Spa | Grassi fluorurati |
| DE69918723T2 (de) | 1998-10-13 | 2005-07-21 | Daikin Industries, Ltd. | Verfahren zur herstellung von fluorpolymeren |
| DE19857111A1 (de) * | 1998-12-11 | 2000-06-15 | Dyneon Gmbh | Wäßrige Dispersionen von Fluorpolymeren |
| US6395848B1 (en) * | 1999-05-20 | 2002-05-28 | E. I. Du Pont De Nemours And Company | Polymerization of fluoromonomers |
| US6429258B1 (en) * | 1999-05-20 | 2002-08-06 | E. I. Du Pont De Nemours & Company | Polymerization of fluoromonomers |
| ITMI991269A1 (it) | 1999-06-08 | 2000-12-08 | Ausimont Spa | Miscele di dispersioni di fluoropolimeri |
| DE19932771A1 (de) * | 1999-07-14 | 2001-01-18 | Dyneon Gmbh | Verfahren zur Eluierung fluorierter Emulgatoren |
| DE19953285A1 (de) * | 1999-11-05 | 2001-05-10 | Dyneon Gmbh | Verfahren zur Rückgewinnung fluorierter Emulgatoren |
| US6593416B2 (en) * | 2000-02-01 | 2003-07-15 | 3M Innovative Properties Company | Fluoropolymers |
| US6720360B1 (en) * | 2000-02-01 | 2004-04-13 | 3M Innovative Properties Company | Ultra-clean fluoropolymers |
| JP2002059160A (ja) | 2000-08-11 | 2002-02-26 | Daikin Ind Ltd | 含フッ素陰イオン系界面活性剤の分離方法 |
| US6730760B2 (en) * | 2001-01-31 | 2004-05-04 | 3M Innovative Properties Company | Perfluoroelastomers having a low glass transition temperature and method of making them |
| US20030125421A1 (en) * | 2001-08-03 | 2003-07-03 | Hermann Bladel | Aqueous dispersions of fluoropolymers |
| US7279522B2 (en) * | 2001-09-05 | 2007-10-09 | 3M Innovative Properties Company | Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant |
-
2002
- 2002-05-22 EP EP02100547A patent/EP1364972B1/en not_active Expired - Lifetime
- 2002-05-22 DE DE60214343T patent/DE60214343T2/de not_active Expired - Lifetime
- 2002-05-22 AT AT02100547T patent/ATE338073T1/de not_active IP Right Cessation
-
2003
- 2003-05-05 JP JP2004508133A patent/JP4351155B2/ja not_active Expired - Fee Related
- 2003-05-05 CN CN03811526.3A patent/CN1656128A/zh active Pending
- 2003-05-05 AU AU2003234457A patent/AU2003234457A1/en not_active Abandoned
- 2003-05-05 WO PCT/US2003/013839 patent/WO2003099879A1/en not_active Ceased
- 2003-05-05 US US10/429,387 patent/US6825250B2/en not_active Expired - Fee Related
- 2003-05-05 RU RU2004134328/04A patent/RU2319712C2/ru not_active IP Right Cessation
- 2003-05-05 CA CA002484299A patent/CA2484299A1/en not_active Abandoned
-
2004
- 2004-11-19 US US10/992,961 patent/US20050070633A1/en not_active Abandoned
- 2004-12-21 ZA ZA200410285A patent/ZA200410285B/xx unknown
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