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High stiffness nonwoven filter medium 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-039/08
  • B01D-046/52
출원번호 US-0546007 (1995-10-20)
발명자 / 주소
  • Midkiff David Grant
  • Neely James Richard
출원인 / 주소
  • Kimberly-Clark Worldwide, Inc.
대리인 / 주소
    Robinson
인용정보 피인용 횟수 : 86  인용 특허 : 65

초록

A filter medium having high stiffness is provided. The filter is a nonwoven web of conjugate fibers which has a Frazier permeability above 200 CFM, an NaCl efficiency above 75 percent, a Gurley Stiffness above 700 mg, and a SEP value of above 80. The conjugate fibers may be polyolefin, more particul

대표청구항

[ We claim:] [1.] A filter medium comprising a nonwoven web of conjugate fibers having a Frazier permeability above 200 CFM, an NaCl efficiency above 75 percent, a Gurley Stiffness above 700 mg, and a SEP value of above 80.

이 특허에 인용된 특허 (65)

  1. Frangesh Thomas P. (Campbell CA), Air filtration system for rotating disk drives having recirculating air flows.
  2. Klaase Petrus T. A. (Voorburg NLX) van Turnhout Jan (Pijnacker NLX), Apparatus for manufacturing an electret filter medium.
  3. Krueger Dennis L. (St. Paul MN) Meyer Daniel E. (St. Paul MN), Bicomponent fibers and webs made therefrom.
  4. Krueger, Dennis L.; Meyer, Daniel E., Bicomponent fibers and webs made therefrom.
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  7. Nishio Hiroaki (Moriyama JPX) Noma Takeshi (Moriyama JPX), Conjugate fibers and formed product using the same.
  8. Ogata Satoshi (Moriyama JPX) Tsujiyama Yoshimi (Moriyama JPX), Cylindrical filter formed of stacked fibers having a high and low melting point component.
  9. Mito Masayuki (Kuga JPX) Yuasa Haruo (Kuga JPX) Iidera Masayoshi (Hiroshima JPX), Device for manufacturing a filter.
  10. Gin Vincent M. (Hudson WI) Tharp Gene E. (New Richmond WI), Disposable filter for a vacuum cleaner.
  11. Ando Katsutoshi (Otsu JPX) Ogawa Yo (Kusatsu JPX), Electret fiber sheet and method of producing same.
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  14. Perry Gerald N. (Nashville TN), Filter medium.
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  17. Ejima Shozo (Moriyamashi JPX) Tomioka Susumu (Moriyamashi JPX) Matsumoto Tadao (Moriyamashi JPX) Hane Naruaki (Moriyamashi JPX), Heat-adhesive composite fibers and process for producing same.
  18. Newkirk David D. (Greer SC), High loft nonwoven fabric.
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  20. Tang Yuan-Ming (New Brigton MN), High surface area filter cartridge.
  21. Jones Roger L. (Signal Mountain TN), Laminated filters.
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  30. Ejima Shozo (Moriyamashi JPX) Tomioka Susumu (Moriyamashi JPX) Matsumoto Tadao (Moriyamashi JPX) Hane Naruaki (Moriyamashi JPX), Method of forming autogenously bonded non-woven fabric comprising bi-component fibers.
  31. Wadsworth Larry C. (Arlington TX) Hersh Solomon P. (Raleigh NC), Method of making fibrous electrets.
  32. Wenz Berthold (Sachsenheim DEX), Method of manufacturing a pleated filter material.
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  34. Malaney Frank E. (Warren NJ), Microfine fiber laminate.
  35. Berg, Harvey J., Molded fibrous filtration products.
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  48. Ikeda Masataka (Nobeoka JPX) Shima Tsukasa (Nobeoka JPX), Polyallylene sulfide nonwoven fabric.
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  50. Wisneski Tony J. (Kimberly WI) Morman Michael T. (Alpharetta GA), Polyolefin-containing extrudable compositions and methods for their formation into elastomeric products including microf.
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  52. Kubo Eiichi (Kyoto JPX) Nagaoka Koichi (Kyoto JPX) Miyahara Yoshiki (Kyoto JPX) Kiriyama Syunichi (Nara JPX) Mishima Yasunobu (Kyoto JPX), Polyolefinic biconstituent fiber and nonwove fabric produced therefrom.
  53. Yahiaoui Ali (2003 Harbour Landing Roswell GA 30076) Potts David C. (5268 Wynterhall Ct. Dunwoody GA 30338) Perkins Cheryl A. (4977 Farihaven Way Roswell GA 30075) Powers Michael D. (813 Vinson Ct. W, Porous non-woven bovine blood-oxalate absorbent structure.
  54. Shen Hsiang-Sheng (Pensacola FL) Plischke LeMoyne W. (Pensacola FL) Baggett William M. (Pensacola FL) Osborne Franklin T. (Gulf Breeze FL), Process for manufacturing nonwoven fabrics composed of crimped filaments.
  55. Furukawa Yasuhiko (Shigaken JPX) Sonoda Hiromu (Shigaken JPX) Sugihara Taizo (Shigaken JPX), Process for producing a highly bulky nonwoven fabric.
  56. Ogata Satoshi (Moriyama JPX) Nagae Kazuyuki (Moriyama JPX) Tsujiyama Yoshimi (Moriyama JPX), Process for producing precision cartridge filter.
  57. Goi Shigeru (Moriyama JPX) Matsuda Hideo (Moriyama JPX) Nakazawa Kazuyoshi (Shiga JPX), Process of producing a filter element of composite fibers.
  58. Newkirk David D. (Greer SC) Ostrowski Henry S. (Simpsonville SC), Rebulkable nonwoven fabric.
  59. Krueger Dennis L. (Hudson WI) Dyrud James F. (New Richmond WI), Respirator comprised of blown bicomponent fibers.
  60. Kaneko Akira (Yamaguchi JPX) Kobayashi Yoshinori (Yamaguchi JPX) Hata Katsuya (Yamaguchi JPX), Soft nonwoven fabric of filaments.
  61. Gessner Scott L. (Greenville SC), Strong nonwoven fabrics from engineered multiconstituent fibers.
  62. Ellis Clifford J. (Woodstock GA) Everett Rob D. (Menasha WI), Surge management fibrous nonwoven web for personal care absorbent articles and the like.
  63. Gupta Rakesh K. (Rockdale County GA) Legare Richard J. (Newton County GA), Textile structures, and their preparation.
  64. Thornton Donald I. (Warwick RI), Thermally formed filter.
  65. Nielsen Steven F. (Charlotte NC) Davies Barrie L. (Weddington NC), Wet laid bonded fibrous web containing bicomponent fibers including LLDPE.

이 특허를 인용한 특허 (86)

  1. McManus, Jeffrey Lawrence; Midkiff, David Grant, Abrasion resistant material for use in various media.
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  5. Winters,Philip J.; Hobbs,Kevin; Corbat,Michael; Kerstetter,Dean, Air filter.
  6. Matsuda, Yasushi; Iwata, Junji; Kojima, Mitsuru, Air filter material using laminated electret nonwoven fabric.
  7. Doherty, Joseph P., Air laid/wet laid gas filtration media.
  8. Shah, Rahul; Sundet, Douglas C.; Wu, Tien T.; Brandner, John M., Aligned fiber web.
  9. Bator, Zsolt, Braid welding.
  10. Vizvardi, Kristof; Marschall, Marcell; Pozsgay, Andras Gyorgy; Fekete, Zoltan A., Composite membrane with compatible support filaments.
  11. Schultink Jan,BEX ; Schultink Bas,BEX ; Wadsworth Larry C., Composite pleated fibrous structures containing split film fibers.
  12. Winters, Eric; Lewis, John; Fields, Brian, Conductive filter media.
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  17. Turkevich, Leonid Anthony; Myers, David Lewis, Ferroelectric fibers and applications therefor.
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  20. Handley, Michael W.; Brandenhoff, Mark; Patel, Kirit; Sporre, Timothy D., Filter construction for use with air in-take for gas turbine and methods.
  21. Adamek, Daniel E.; Cappuyns, Jan; Moreau, Egide Emmanuel Paul Baudry; Ouyang, Ming; Rogers, Robert M., Filter element and method.
  22. Dema, Keh B.; Olson, Linda M., Filter media and structure.
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  28. Webb, David M.; Carlson, David E.; Rogers, Robert M; Dema, Keh B., Filter medium and breather filter structure.
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  33. Arnold, Billy Dean, Filtration medium with enhanced particle holding characteristics.
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  35. Amsler, Nicole Michele, Fine particle liquid filtration media.
  36. Angadjivand, Seyed A.; Springett, James E.; Brandner, John M.; Jones, Marvin E.; Fox, Andrew R.; Berrigan, Michael R.; Stelter, John D., Flat-fold respirator with monocomponent filtration/stiffening monolayer.
  37. Winters,Philip J.; Hobbs,Kevin; Corbat,Michael; Kerstetter,Dean, Forced air system air filter.
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  41. Peter Tsai ; Sanjiv R. Malkan, Hepa filter.
  42. Grove, III, Dale Addison, High dust holding capacity filter media.
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