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[미국특허] Asymmetric micro-porous membrane containing a layer of minimum size pores below the surface thereof 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-013/00
출원번호 US-0889708 (1986-07-28)
우선권정보 JP-0166984 (1985-07-27)
발명자 / 주소
  • Sasaki Jun (Kanagawa JPX) Naruo Kyoichi (Kanagawa JPX)
출원인 / 주소
  • Fuji Photo Film Co., Ltd. (Kanagawa JPX 03)
인용정보 피인용 횟수 : 58  인용 특허 : 7

초록 ▼

A new micro-porous membrane having a layer of minimum pores inside is disclosed. This membrane can be produced by a kind of dry-wet method in which a gas is in contact with the surface of the spread solution before it is immersed in a solidifying bath to form a coacervation phase only in the surface

대표청구항 ▼

A micro-porous polysulfone membrane produced by spreading a polymer solution over a support and then, after a phase separation has occurred in the polymer solution, immersing the polymer solution in a solidifying liquid, the membrane consisting essentially of a homogeneous polysulfone polymer materi

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

  1. Okano, Yoshihiro; Okamoto, Takehiko; Ohmory, Akio, Filtration apparatus using hollow fiber membrane.
    상세보기
  2. Kesting Robert E. (Irvine CA), High strength nylon blend membranes.
    상세보기
  3. Chao Kwang C. (Palo Alto CA) Porter Mark C. (Pleasanton CA), Method for forming microporous fluorocarbon polymer sheet and product.
    상세보기
  4. Sternberg Shmuel (Lexington MA), Process for grafting amino acid molecules onto preformed polymer surfaces and products prepared thereby.
    상세보기
  5. Kawaguchi Takeyuki (1-28-5-207 ; Ozu-cho Iwakuni-shi ; Yamaguchi-ken JPX) Minematsu Hiroyoshi (1-28-5-302 ; Ozu-cho Iwakuni-shi ; Yamaguchi-ken JPX) Hayashi Yuzuru (3-1-23 Yamate-machi ; Iwakuni-shi , Process for preparation of improved semipermeable composite membranes.
    상세보기
  6. Pall David B. (Roslyn Estates NY), Process for preparing hydrophilic polyamide membrane filter media and product.
    상세보기
  7. Pall David B. (Roslyn Estates NY) Model Frank (Dix Hills NY), Process for preparing liquophilic polyamide membrane filter media and product.
    상세보기

이 특허를 인용한 특허 (58) 인용/피인용 타임라인 분석

  1. Liang, Xuemei; Murla, Mark; Han, Binbing; Simonton, Donald; Morris, Richard, Asymmetric membranes.
    상세보기
  2. Breillatt, Jr., Julian P.; Sternberg, Shmuel, Blood collection systems and filters using a porous membrane element.
    상세보기
  3. Breillatt, Jr., Julian P.; Sternberg, Shmuel, Blood collection systems and methods using a porous membrane element.
    상세보기
  4. Berzinis, Albin Peter; Bajaj, Pooja; Halbfinger, Rachel Elizabeth; Bikel, Matias, Composite membrane with support comprising poly(phenylene ether) and amphilphilic polymer; method of making; and separation module thereof.
    상세보기
  5. Wang, Jinwen; Kareem, Meedia A.; Kareem, Rezan; Taylor, Bruce; Lombardo, Andrew W.; Brigano, Frank A., Formation and immobilization of small particles by using polyelectrolyte multilayers.
    상세보기
  6. Tkacik,Gabriel; Kazan,Greg, High-resolution virus removal methodology and filtration capsule useful therefor.
    상세보기
  7. Wang I-fan, Highly asymmetric polyethersulfone filtration membranes.
    상세보기
  8. Wang I-fan, Highly asymmetric polyethersulfone filtration membranes.
    상세보기
  9. Wang, I-Fan; Morris, Richard A.; Zepf, Robert F., Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters.
    상세보기
  10. Wang, I-Fan; Morris, Richard A.; Zepf, Robert F., Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters.
    상세보기
  11. Wang,I Fan; Morris,Richard A.; Zepf,Robert F., Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters.
    상세보기
  12. Wang I-Fan ; Ditter Jerome F. ; Zepf Robert, Highly porous polyvinylidene difluoride membranes.
    상세보기
  13. Wang I-Fan ; Ditter Jerome F. ; Zepf Robert, Highly porous polyvinylidene difluoride membranes.
    상세보기
  14. Teramachi, Masashi; Murase, Kei; Sumi, Toshinori; Hiromoto, Yasuo; Fujiki, Hiroyuki; Kurashina, Masaki; Minagawa, Masakazu, Hollow porous membrane and process for producing the same.
    상세보기
  15. Ditter Jerome ; Morris Richard A. ; Zepf Robert, Large pore synthetic polymer membranes.
    상세보기
  16. Ditter Jerome ; Morris Richard A. ; Zepf Robert, Large pore synthetic polymer membranes.
    상세보기
  17. Ditter Jerome ; Morris Richard A. ; Zepf Robert, Large pore synthetic polymer membranes.
    상세보기
  18. Jerome Ditter ; Richard A. Morris ; Robert Zepf, Large pore synthetic polymer membranes.
    상세보기
  19. Bunce Roger Abraham,GBX ; Thorpe Gary Harold Gregory Henry,GBX ; Hall Jan Christina,GBX ; Poissant Philip,CAX, Lateral flow filter devices for separation of body fluids from particulate materials.
    상세보기
  20. Hanschen, Thomas P.; Ausen, Ronald W.; Unruh, William C.; Kopecky, William J., Mechanical fastening nets and methods of making the same.
    상세보기
  21. Hanschen, Thomas P.; Ausen, Ronald W.; Unruh, William C.; Kopecky, William J., Mechanical fastening nets and methods of making the same.
    상세보기
  22. Larue, Geoffrey Patrick; Wu, Xiaosong; Smith, Martin, Membrane with localized asymmetries.
    상세보기
  23. Kools, Willem, Method of manufacturing membranes and the resulting membranes.
    상세보기
  24. Kools, Willem, Method of manufacturing membranes and the resulting membranes.
    상세보기
  25. Kools,Willem, Method of manufacturing membranes and the resulting membranes.
    상세보기
  26. Ansorge, Wolfgang; Schuster, Oliver; Wechs, Friedbert; Dombrowski, Klaus, Microfiltration membrane with improved filtration properties.
    상세보기
  27. Cumberland,Scott L., Microorganism-removing filter medium having high isoelectric material and low melt index binder.
    상세보기
  28. Cumberland,Scott L.; Rinker,Edward B.; Enriquez,Carlos, Microorganism-removing filter medium having high isoelectric material and low melt index binder.
    상세보기
  29. Holzki Udo (Worrstadt DEX) Muller Heinz-Joachim (Bad Kreuznach DEX) Renner Tilo (Langenionsheim DEX), Multi-layer microfiltration membrane having an integrated prefiltration layer and method of making same.
    상세보기
  30. Wang, I-Fan; Morris, Richard; Liang, Xuemei, Multilayer microfiltration membrane.
    상세보기
  31. Yen, Larry; Patel, Rajnikant B., Multilayer porous membrane and process.
    상세보기
  32. Beard, Kirby, Optimized microporous structure of electrochemical cells.
    상세보기
  33. Kitajima Masao,JPX ; Higo Akemi,JPX, Plasma collecting device.
    상세보기
  34. Ausen, Ronald W.; Borst, Ronald R.; Hanschen, Thomas P.; Kopecky, William J.; Legatt, Michelle L.; Zhang, Wei, Polymeric layers and methods of making the same.
    상세보기
  35. Wood, Leigh E.; Prioleau, Lori-Ann S.; Ausen, Ronald W.; Kopecky, William J.; Legatt, Michelle L.; Zhang, Wei; Langer-Anderson, Delony L.; Galush, Thomas B., Polymeric netting of ribbons and strands and methods of making the same.
    상세보기
  36. Berzinis, Albin Peter; Bajaj, Pooja; Halbfinger, Rachel Elizabeth; Bikel, Matias, Porous asymmetric polyphenylene ether membranes and associated separation modules and methods.
    상세보기
  37. Berzinis, Albin Peter; Bajaj, Pooja; Halbfinger, Rachel Elizabeth; Bikel, Matias, Porous asymmetric polyphenylene ether membranes and associated separation modules and methods.
    상세보기
  38. Sale, Richard; Ostreicher, Eugene, Pre-metered, unsupported multilayer microporous membrane.
    상세보기
  39. Sale,Richard; Ostreicher,Eugene, Pre-metered, unsupported multilayer microporous membrane.
    상세보기
  40. Romdhane, Ilyess H.; Ciliske, Scott L., Process for forming microporous membranes.
    상세보기
  41. Kools, Willem, Process of forming multilayered structures.
    상세보기
  42. Kools, Willem, Process of forming multilayered structures.
    상세보기
  43. Kools, Willem, Process of forming multilayered structures.
    상세보기
  44. Kools, Willem, Process of forming multilayered structures.
    상세보기
  45. Kools, Willem, Process of forming multilayered structures.
    상세보기
  46. Kools, Willem, Process of forming multilayered structures.
    상세보기
  47. Kools, Willem, Process of forming multilayered structures.
    상세보기
  48. Kools,Willem, Process of forming multilayered structures.
    상세보기
  49. Kools,Willem, Process of forming multilayered structures.
    상세보기
  50. Wang I-Fan ; Ditter Jerome F. ; Zepf Robert, Process of making a polyvinylidene difluoride membrane.
    상세보기
  51. Simonetti, John A.; Vinarov, Irina, Semipermeable hydrophilic membrane.
    상세보기
  52. Berzinis, Albin Peter; Halbfinger, Rachel Elizabeth; Bikel, Matias; Bajaj, Pooja, Skinned, asymmetric poly(phenylene ether) co-polymer membrane; gas separation unit, and preparation method thereof.
    상세보기
  53. Miyachi, Hiroshi; Takeda, Ryo, Solid electrolyte membrane, method and apparatus of producing the same, membrane electrode assembly, and fuel cell.
    상세보기
  54. Ausen, Ronald W.; Diekmann, Timothy J.; Hanschen, Thomas P.; Kopecky, William J.; Wang, Shou-Lu, Three-dimensional polymeric strand netting, dies, and methods of making the same.
    상세보기
  55. Beard, Kirby W, Treatment and adhesive for microporous membranes.
    상세보기
  56. Beard, Kirby W., Treatment and adhesive for microporous membranes.
    상세보기
  57. Ansorge, Wolfgang; Spindler, Ernst; Krüger, Richard; Rütering, Martin; Schuster, Oliver, Ultrafiltration membrane.
    상세보기
  58. Sale, Richard; Ostreicher, Eugene, Unsupported multizone microporous membrane.
    상세보기

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