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Controlled-porosity, calendered spunbonded/melt blown laminates 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B32B-027/00
출원번호 US-0130773 (1993-10-04)
발명자 / 주소
  • Lim Hyun S. (Chesterfield VA) Shin Hyunkook (Wilmington DE)
출원인 / 주소
  • E. I. du Pont de Nemours and Company (Wilmington DE 02)
인용정보 피인용 횟수 : 37  인용 특허 : 0

초록

Controlled porosity composite sheets comprising a melt-blown polypropylene fiber web having a spunbonded polypropylene fiber sheet laminated to at least one side thereof are made by calendering an assembly of the component webs in such a manner that, when a two-layer composite sheet is made, the web

대표청구항

A high-strength, tear-resistant, calendered, composite sheet having an opacity, as determined by TAPPI test T-519 om-86, of at least 75%, having low air permeability expressed as Gurley-Hill porosity of 5-75 seconds, high water vapor transmission rate of at least 500 g/m2 in 24 hours according to AS

이 특허를 인용한 특허 (37)

  1. Baker, Jr., John Frank; Farell, Gregory W.; Schoppman, Shannon, Bicomponent sheet material having liquid barrier properties.
  2. Baba,Shigeru, Breathable waterproof laminate structure.
  3. Jones David Charles ; Rudys Stasys Kestutis ; Simon Charles Benjamin, Bulky composite sheet material.
  4. James Ross Waggoner ; Mieczyclaw Stachnik ; Theresa A. Weston ; Michael Allen Bryner, Construction membrane.
  5. Braun David Lloyd ; Lira Ricardo, Diffusional gas transfer system and method of using same.
  6. Braun David L. ; Lira Ricardo, Diffusional gas transfer system and method using same.
  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. Mathis, Michael P., Enhanced barrier film and laminate and method for producing same.
  9. Clark, Darryl Franklin; Duellman, Justin Max; Haynes, Bryan David; Lake, Matthew Boyd; McManus, Jeffrey Lawrence; Smith, Kevin Edward, Fine multicomponent fiber webs and laminates thereof.
  10. Lim Hyun Sung ; Marshall Larry R ; Nobbee Wazir ; Warren Jennifer Marie, Flash-spun sheet material.
  11. Bansal,Vishal; Lim,Hyun Sung; Laura, Jr.,David Matthews, Full-surface bonded multiple component melt-spun nonwoven web.
  12. Weimer William K. ; Keenan Gretchen E. ; Kinney Robert J. ; Mrozinski James S. ; Radovanovic Philip D., Laminate preventing transmissions of viral pathogens.
  13. Rudisill Edgar N. ; Frankfort Hans Rudolf Edward ; Janis Rudolph F. ; Johnson Stephen Buckner ; McGinty David Jackson ; Samuelson H. Vaughn ; Shin Hyunkook ; Vassilatos George, Low or sub-denier nonwoven fibrous structures.
  14. Rene Kapik ; Ganesh C. Deka, Medical packaging fabric with improved bacteria barrier.
  15. Weimer William K. ; Keenan Gretchen E. ; Kinney Robert J. ; Mrozinski James S. ; Radovanovic Philip D., Method for laminating a viral barrier microporous membrane to a nonwoven web to prevent transmission of viral pathogens.
  16. Weimer William K. ; Keenan Gretchen E. ; Kinney Robert J. ; Mrozinski James S. ; Radovanovic Philip D., Method for preventing transmission of viral pathogens.
  17. Lennon, Eric Edward; Brock, Thomas William; Haynes, Bryan David; Hulslander, Douglas Jay, Method for the production of nonwoven web materials.
  18. Cohen Bernard ; Faass Judith Katherine ; Gipson Lamar Heath ; Jameson Lee Kirby, Method of attaching a substantially uniform distribution of particulates to individual exposed surfaces of a substrate.
  19. Milani John, Method of forming a particle size gradient in an absorbent article.
  20. Janis Rudolph F., Method of making fibrous, bonded polyolefin sheet.
  21. Hassan Bodaghi, Method of making media of controlled porosity.
  22. Campbell Stephen Michael ; Welch Howard Martin ; Barnett ; Jr. Larry Ned ; Blaney Carol Ann ; Fell David Arthur ; Freiburger Sarah Jane Marie ; Haffner William Bela ; Leick Marianne Keevill ; McCorma, Microporous films having zoned breathability.
  23. Weimer William K. (Woodbury MN) Keenan Gretchen E. (Edina MN) Kinney Robert J. (Woodbury MN) Mrozinski James S. (Oakdale MN) Radovanovic Philip D. (Minneapolis MN), Microporous membrane material for preventing transmission of viral pathogens.
  24. Cohen Bernard, Nonwoven barrier and method of making the same.
  25. Cohen Bernard, Nonwoven barrier and method of making the same.
  26. Okada, Kazuya; Sudou, Yasuhiro, Nonwoven fabric sheet and method for producing same.
  27. Cohen Bernard, Nonwoven laminate barrier material.
  28. Powers Michael D. (Canton GA), Nonwoven protective laminate.
  29. Cohen Bernard ; Gipson Lamar Heath ; Brostin Joel, Nonwoven webs with one or more surface treatments.
  30. Jones David Charles ; Rudys Stasys Kestutis ; Simon Charles Benjamin, Packaging cover.
  31. Debyser,Pascal; Monnerie,Jean Louis, Patterning on SMS product.
  32. Bletsos, Ioannis V.; Guckert, Joseph Robert; Levit, Mikhail R.; Roberts, David Carl, Porous fibrous sheets of nanofibers.
  33. Huynen Marc,BEX ; Huynen Stephane,BEX ; Vanhamel Steven,BEX, Seal for a sterilizable bag and method of making the same.
  34. Fitting, Steven Wayne; Powers, Michael David; Quincy, III, Roger Bradshaw, Sterilization wrap, applications therefor, and method of sterilizing.
  35. Leahy, Charles H., Structural building panels with multi-laminate interlocking seams.
  36. Leahy, Charles H., Structural building panels with seamless corners.
  37. Megchelsen Sara L. ; Rauschenberg Nancy C. ; Johnson Mark V., Thermally bonded viral barrier composite.
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