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Post-treatment of laminated nonwoven cellulosic fiber webs 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-039/16
출원번호 US-0218984 (1994-03-28)
발명자 / 주소
  • Hassenboehler
  • Jr. Charles B. (Knoxville TN) Wadsworth Larry C. (Knoxville TN)
출원인 / 주소
  • The University of Tennessee Research Corporation (Knoxville TN 02)
인용정보 피인용 횟수 : 36  인용 특허 : 0

초록

A method for post-treating a laminated precursor nonwoven web which includes layers of thermoplastic man-made fibers and at least one layer of cellulose-based staple natural fibers, including consolidating the web laterally and thereby reducing the maximum pore size measure of the web. The precursor

대표청구항

A planar consolidated multilayered nonwoven web which is consolidated in the cross-direction having a reduced maximum pore size which is at least 20% less than that of the web prior to consolidation, wherein the web comprises first and third layers which each comprise a layer of randomly organized,

이 특허를 인용한 특허 (36)

  1. Graham,Kristine M.; Grafe,Timothy H.; Gogins,Mark A., Cleanable high efficiency filter media structure and applications for use.
  2. Wadsworth Larry C. ; Jirsak Oldrich,CZX ; Tsai Peter Ping-Yi, Composite of pleated and nonwoven webs.
  3. Spence Paul D., Discharge method and apparatus for generating plasmas.
  4. Spence Paul D., Discharge methods and electrodes for generating plasmas at one atmosphere of pressure, and materials treated therewith.
  5. Covington Edward A. ; Tsengouras Demetrios A., Dual Media air filter with electrostatic charge.
  6. Keck Laura Elizabeth ; Amsler Nicole Michele ; Diamond Andrew Edward ; Holley James J., Durable high fluid release wipers.
  7. Preston Biggers Knight ; David Lewis Myers ; John Joseph Lassig ; David Grant Midkiff ; Rick Leon Busby ; Anthony Lee Lamanac ; Leonid Anthony Turkevich, Electret treatment of high loft and low density nonwoven webs.
  8. Cohen Bernard, Filter matrix.
  9. Escaffre, Pascale; Meikle, Gordon; Nortman, Brian, High cellulose content, laminiferous nonwoven fabric.
  10. Lee, Heejin; Duc, Hong Linh Ho; Sansone, Matthew, Implantable device for controlled dissolution and diffusion of low solubility drug.
  11. Lee, Heejin; Cima, Michael J.; Daniel, Karen; Larrivee-Elkins, Cheryl, Implantable device for controlled drug delivery.
  12. Cima, Michael J.; Lee, Heejin, Implantable drug delivery device and methods for treatment of the bladder and other body vesicles or lumens.
  13. Lee, Heejin; Daniel, Karen; Ho Duc, Hong Linh; Cima, Michael J.; Castillo, Mario; Froelich, Steven; Dimitrakov, Jordan; Kim, Grace Y., Intravesical drug delivery device.
  14. Lee, Heejin; Daniel, Karen; Ho Duc, Hong Linh; Cima, Michael J.; Castillo, Mario; Froelich, Steven; Dimitrakov, Jordan; Kim, Grace Y., Intravesical drug delivery device.
  15. Veeser, Klauss; Greiner, Armin; Von Schischka, Harold; Adolph, Juergen; Giang, Toan-Hieu, Layer for use in a HEPA filter element.
  16. Wadsworth Larry C. (Knoxville TN) Tsai Peter Ping-yi (Knoxville TN), Method and apparatus for the electrostatic charging of a web or film.
  17. Lee, Heejin; Daniel, Karen Danielle; Ho Duc, Hong Linh; Cima, Michael J.; Castillo, Mario; Froelich, Steven; Dimitrakov, Jordan; Kim, Grace Y., Method for intravesical drug delivery.
  18. Milani John, Method of forming a particle size gradient in an absorbent article.
  19. Bodaghi, Hassan; Kauschke, Michael; Turi, Mordechai, Method of making media of controlled porosity and product thereof.
  20. Lee, Heejin; Larrivee-Elkins, Cheryl, Methods for intravesical drug delivery and methods and systems for loading devices with drug tablets.
  21. Himes, Julie; Giesing, Dennis; Larrivee-Elkins, Cheryl; Cima, Michael J.; Sarma, Purnanand; Goldenheim, Paul, Methods for sustained treatment of bladder pain and irritative voiding.
  22. Piatt, Michael J.; Hix, Kenneth E.; Gelbart, Daniel, Micro-structured drying for inkjet printers.
  23. Angadjivand, Seyed A.; Brandner, John M.; Nguyen, Nhat Ha T., Molded respirator having outer cover web joined to mesh.
  24. Cohen Bernard, Nonwoven barrier and method of making the same.
  25. Cohen Bernard, Nonwoven barrier and method of making the same.
  26. Cohen Bernard, Nonwoven laminate barrier material.
  27. Cohen Bernard ; Gipson Lamar Heath ; Brostin Joel, Nonwoven webs with one or more surface treatments.
  28. Hassenboehler Charles B. ; Wadsworth Larry C., Post-treatment and consolidation of laminated nowwoven fiber webs.
  29. Prete, Christopher L.; Rihn, John F., Pressure regulator assembly.
  30. Paul D. Spence, Resonant excitation method and apparatus for generating plasmas.
  31. Farmer, Jeffrey James, Sterilization wrap material.
  32. Farmer, Jeffrey James, Sterilization wrap material.
  33. Fitting, Steven Wayne; Powers, Michael David; Quincy, III, Roger Bradshaw, Sterilization wrap, applications therefor, and method of sterilizing.
  34. Ward Gregory F., Thermo-mechanical modification of nonwoven webs.
  35. Cree, James W.; Middlesworth, Jeffrey A.; Bruce, Stephen D., Three-dimensional highly elastic film/non-woven composite.
  36. Middlesworth, Jeff A.; Cree, James W.; Bruce, Steve D., Three-dimensional highly elastic film/non-woven composite.
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