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특허 상세정보

Fluid filtration articles and methods of making and using the same

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-061/00    B01D-029/46    B01D-029/07    D04H-001/00    D04H-001/56   
미국특허분류(USC) 210/650; 210/491; 210/508; 210/493.1; 442/351; 442/400; 442/417; 502/435
출원번호 US-0810451 (2008-12-15)
등록번호 US-8512569 (2013-08-20)
국제출원번호 PCT/US2008/086766 (2008-12-15)
§371/§102 date 20100624 (20100624)
국제공개번호 WO2009/088647 (2009-07-16)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Baker, James A.
인용정보 피인용 횟수 : 23  인용 특허 : 34
초록

Fluid filtration articles, including composite nonwoven fibrous webs, and methods of making and using such articles as gas or liquid filtration elements. The articles include a population of coarse microfibers having a population median diameter of at least 1 micrometer (μm) formed as a first layer, and a population of fine fibers having a population median diameter less than 10 μm formed as a second layer adjoining the first layer. At least one of the fiber populations may be oriented. In one implementation, the coarse microfibers and fine fibers are po...

대표
청구항

1. A fluid filtration medium comprising: a population of microfibers having a population median diameter of at least 1μm formed as a first layer; anda population of sub-micrometer fibers having a population median diameter less than one micrometer (μm) formed as a second layer adjoining the first layer,wherein at least one of the fiber populations is molecularly oriented. 2. The fluid filtration medium of claim 1, wherein the population of microfibers has a population median fiber diameter ranging from about 2 μm to about 100 μm, and wherein the populati...

이 특허에 인용된 특허 (34)

  1. Tang Yuan-Ming (New Brighton MN) Kostecki John C. (Cottage Grove MN) Graeve Eric G. (Eagan MN). Agglomerated activated carbon air filter. USP1994075332426.
  2. Shipp ; Jr. Peter W. (Woodstock GA). Agricultural protective fabric. USP1989044818585.
  3. Erickson, Stanley C.; Breister, James C.. Attenuating fluid manifold for meltblowing die. USP2005036861025.
  4. Everhart Dennis Stein ; Gadsby Elizabeth Deibler ; Kaylor Rosann Marie ; Kiick-Fischer Kristi Lynn. Chemically charged-modified filter for removing particles from a liquid and method thereof. USP1999015855788.
  5. Koslow, Evan E.. Composite filter medium and fluid filters containing same. USP2003046550622.
  6. Schultink Jan,BEX ; Schultink Bas,BEX ; Wadsworth Larry C.. Composite pleated fibrous structures containing split film fibers. USP1999025871836.
  7. King Charles L. (Chicago IL) Mussro ; Jr. Nicholas J. (Doylestown PA) Roberts Dennis W. (Weaverville NC). Fiber batts and the method of making. USP1987054666763.
  8. Berrigan, Michael R.; Fay, William T.. Fiber-forming apparatus. USP2004116824372.
  9. Berrigan, Michael R.; Fay, William T.. Fiber-forming process. USP2003086607624.
  10. Groeger H. Gunter (Charlotte NC) Serad George A. (Charlotte NC) Felton Clinton D. (Charlotte NC). Fibrous structures containing particulate and including microfiber web. USP1997025605746.
  11. Braun David L. ; Steffen James E.. Filter having corrugated nonwoven webs of polymeric microfiber. USP1998065763078.
  12. Torobin Leonard ; Findlow Richard C.. Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby. USP2001116315806.
  13. Torobin Leonard ; Findlow Richard C.. Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby. USP2001026183670.
  14. Torobin Leonard B. (c/o Materials Technology Corp. ; 2198 Princeton St. Sarasota FL 33578). Method and apparatus for producing microfilaments. USP1982124363646.
  15. Gerking, Lüder. Method and device for the production of an essentially continous fine thread. USP2004106800226.
  16. Torobin, Leonard B.. Method for producing plastic microfilaments. USP1985084536361.
  17. Angadjivand Seyed A. (Darlington MN GB2) Jones Marvin E. (Stillwater MN) Meyer Daniel E. (Stillwater MN). Method of charging electret filter media. USP1996035496507.
  18. Wilfred Eugene Riddell. Method of forming meltblown webs containing particles. USP2002126494974.
  19. Fabbricante Anthony S. ; Ward Gregory F. ; Fabbricante Thomas J.. Micro-denier nonwoven materials made using modular die units. USP2000096114017.
  20. Fttinger Walter (Weinheim DEX) Hauber Michael (Weinheim DEX) Weghmann Arnold (Weinheim DEX). Multilayer electret filter and process of using same. USP1989124886527.
  21. Koslow, Evan E.. Nanofiber filter media. USP2005036872311.
  22. Markell Craig G. (White Bear Township ; Ramsey County MN) Hagen Donald F. (Woodbury MN) Hansen Paul E. (Lake Elmo MN) Baumann Nicholas R. (St. Paul MN). Particle-loaded nonwoven fibrous article for separations and purifications. USP1995055415779.
  23. Fox, Andrew R.; Stelter, John D.; Angadjivand, Seyed A.; Fay, William T.; Berrigan, Michael R.; Sundet, Douglas C.. Pleated filter with monolayer monocomponent meltspun media. USP2011057947142.
  24. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M.. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures. USP2004066743273.
  25. Martin ; Graham E. ; Cockshott ; Ian D. ; McAloon ; Kevin T.. Porous fluoropolymeric fibrous sheet and method of manufacture. USP1978114127706.
  26. Dickenson F. Lee (Alpharetta GA) Abuto Frank P. (Alpharetta GA) Chambers ; Jr. Leon E. (Cumming GA) Werner Edward E. (Oshkosh WI) Wisneski Tony J. (Kimberly WI). Process and apparatus for forming nonwovens within a forming chamber. USP1993075227107.
  27. Darrell H. Reneker ; Iksoo Chun ; Dale Ertley. Process and apparatus for the production of nanofibers. USP2002056382526.
  28. Krueger Dennis L. (Hudson WI) Dyrud James F. (New Richmond WI). Respirator comprised of blown bicomponent fibers. USP1988034729371.
  29. Sabee Reinhardt N. (728 S. Summit St. Appleton WI 54911). Stabilized continuous filament web. USP1990034910064.
  30. Berrigan Michael R. ; Dyrud James F. ; Erickson Stanley C. ; Erickson Luther E.. Uniform meltblown fibrous web and methods and apparatus for manufacturing. USP2000106139308.
  31. Bosses Mark D. (Montvale NJ). Vacuum cleaner bag with electrostatically charged meltblown layer. USP1994045306534.
  32. Krueger Dennis L. ; Dyrud James F.. Web of biocomponent blown fibers. USP2000056057256.
  33. Hauser ; Edward R.. Web of blended microfibers and crimped bulking fibers. USP1978104118531.
  34. Torobin Leonard B.. Wipe pads with superior solids removal ability using sub-micron filaments. USP2001086269513.

이 특허를 인용한 특허 피인용횟수: 23

  1. Owens, Tracie L.; Leta, Daniel P.. Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same. USP2017079713787.
  2. Fowler, Tracy A.; Huntington, Richard A.; Fulton, John W.. Apparatus and system for swing adsorption processes related thereto. USP20190310220346.
  3. Fowler, Tracy A.; Ramkumar, Shwetha; Frederick, Jeffrey W.; Nagavarapu, Ananda K.; Chialvo, Sebastian; Tammera, Robert F.; Fulton, John W.. Apparatus and system for swing adsorption processes related thereto. USP20180810040022.
  4. Johnson, Robert A.; Deckman, Harry W.; Kelley, Bruce T.; Oelfke, Russell H.; Ramkumar, Shwetha. Apparatus and system for swing adsorption processes related thereto. USP20180910080991.
  5. McMahon, Patrick D. J.; Johnson, Robert A.; Ramkumar, Shwetha; Oelfke, Russell H.; Thomas, Eugene R.; Nagavarapu, Ananda K.; Barnes, William. Apparatus and system for swing adsorption processes related thereto. USP20181110124286.
  6. Nagavarapu, Ananda K.; Marshall, Bennett D.. Apparatus and system for swing adsorption processes related thereto. USP20190310220345.
  7. Nagavarapu, Ananda K.; Smith, Ransdall K.; Oelfke, Russell H.. Apparatus and system for swing adsorption processes related thereto. USP20180910080992.
  8. Tammera, Robert F.. Apparatus and system for swing adsorption processes related thereto. USP2017099751041.
  9. Tammera, Robert F.; Frederick, Jeffrey W.. Apparatus and system for swing adsorption processes related thereto. USP2018019861929.
  10. Ramkumar, Shwetha; Johnson, Robert A.; Mon, Eduardo; Fulton, John W.. Apparatus and system having a valve assembly and swing adsorption processes related thereto. USP2017069675925.
  11. Tammera, Robert F.. Apparatus and systems having a reciprocating valve head assembly and swing adsorption processes related thereto. USP2017039593778.
  12. Tammera, Robert F.. Apparatus and systems having a reciprocating valve head assembly and swing adsorption processes related thereto. USP2015049017457.
  13. Tammera, Robert F.; Anderson, Thomas N.. Apparatus and systems having a rotary valve assembly and swing adsorption processes related thereto. USP2016059352269.
  14. Tammera, Robert F.; Basile, Richard J.; Frederick, Jeffrey W.. Apparatus and systems having an encased adsorbent contactor and swing adsorption processes related thereto. USP20180710016715.
  15. Tammera, Robert F.; Basile, Richard J.; Frederick, Jeffrey W.. Apparatus and systems having an encased adsorbent contactor and swing adsorption processes related thereto. USP2016069358493.
  16. Anantharamaiah, Nagendra; Jaganathan, Sudhakar; Gadbois, Gerald; Silin, Maxim; Gallimore, Mark A.. Filter media including a filtration layer comprising synthetic fibers. USP20190410252200.
  17. Thomson, Cameron; Godsay, Milind; Keisler, Randall. Filter media suitable for hydraulic applications. USP2018049950284.
  18. Frederick, Jeffrey W.; Fulton, Jr., John W.; Tammera, Robert F.; Huntington, Richard A.. Integrated adsorber head and valve design and swing adsorption methods related thereto. USP2015069067168.
  19. Sundaram, Narasimhan; Northrop, P. Scott. Kinetic fractionators, and cycling processes for fractionation of gas mixtures. USP2014128921637.
  20. Deckman, Harry W.; Kamakoti, Preeti; Ravikovitch, Peter I.; Kelley, Bruce T.; Northrop, P. Scott; Rasmussen, Peter C.; Tanaka, Paul L.; Webster, Martin N.; Roth, Wieslaw J.; Corcoran, Jr., Edward W.. Method and apparatus for removal of oil from utility gas stream. USP20180710035096.
  21. Deckman, Harry W.; Kamakoti, Preeti; Ravikovitch, Peter I.; Kelley, Bruce T.; Northrop, Paul Scott; Rasmussen, Peter C.; Tanaka, Paul Lawrence; Webster, Martin N.; Roth, Wieslaw Jerzy; Corcoran, Edward W.. Method and apparatus for removal of oil from utility gas stream. USP2015099126138.
  22. Rasmussen, Peter C.; Tanaka, Paul L.; Kelley, Bruce T.; Uptigrove, Stanley O.; Deckman, Harry W.. Methods of generating and utilizing utility gas. USP2014128906138.
  23. Brody, John F.; Leta, Daniel P.; Fowler, Tracy Alan; Freeman, Stephanie A.; Cutler, Joshua I.. Structured adsorbent beds, methods of producing the same and uses thereof. USP2017089744521.