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Ultraporous and microporous membranes and method of making membranes 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-039/00
출원번호 US-0674907 (1991-03-26)
발명자 / 주소
  • Zepf Robert F. (San Diego CA)
출원인 / 주소
  • Memtec America Corporation (Timonium MD 02)
인용정보 피인용 횟수 : 70  인용 특허 : 0

초록 ▼

Ultraporous and microporous polymer membranes cast from metastable dispersions are significantly improved by limiting the time of environmental exposure to less than about 0.5, preferably less than 0.25 seconds, between casting about 10°to about 20°C. lower than the usual prior art values. The resul

대표청구항 ▼

A method of making a highly asymmetric integrally skinned polymer membrane, said method comprising: A. mixing a polymer, a solvent and a non-solvent to produce a metastable liquid-liquid dispersion within the binodal or spinodal at a casting temperature, and having an optical density of from about 0

이 특허를 인용한 특허 (70)

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  2. Esbeck,Thomas D.; McNiven,Andrew; Knott,Boyd; Thessen,Todd; Carter,Kara; Amick,Joycelyn, Apparatus and method for coating stents.
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  3. Hossainy,Syed F A, Apparatus and method for coating stents.
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  6. Breillatt, Jr., Julian P.; Sternberg, Shmuel, Blood collection systems and filters using a porous membrane element.
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  10. Chen, Yung Ming; Smith, Jeff H.; Gutierrez, Celenia, Coating abluminal surfaces of stents and other implantable medical devices.
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  11. Kerrigan, Cameron, Coupling device for a stent support fixture.
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  12. Buechler, Kenneth F.; Batt, Richard Roger, Devices for incorporating filters for filtering fluid samples.
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  14. McGinnis, Robert L.; McGurgan, Gary, Forward osmosis membranes.
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  18. Wang I-Fan ; Morris Richard A. ; Zepf Robert F., Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters.
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  19. Wang, I-Fan; Morris, Richard A.; Zepf, Robert F., Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters.
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  20. Wang, I-Fan; Morris, Richard A.; Zepf, Robert F., Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters.
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  21. Wang,I Fan; Morris,Richard A.; Zepf,Robert F., Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters.
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  22. Wang I-Fan ; Ditter Jerome F. ; Zepf Robert, Highly porous polyvinylidene difluoride membranes.
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  23. Wang I-Fan ; Ditter Jerome F. ; Zepf Robert, Highly porous polyvinylidene difluoride membranes.
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  24. Wang I-fan ; Morris Richard A. ; McDonogh Richard, Internal hydrophilic membranes from blended anionic copolymers.
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  25. Ditter Jerome ; Morris Richard A. ; Zepf Robert, Large pore synthetic polymer membranes.
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  26. Ditter Jerome ; Morris Richard A. ; Zepf Robert, Large pore synthetic polymer membranes.
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  27. Ditter Jerome ; Morris Richard A. ; Zepf Robert, Large pore synthetic polymer membranes.
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  28. Pacetti, Stephen D.; Moein, Mohammed E., Mandrel for supporting a stent and method of using the mandrel to coat a stent.
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  29. Esbeck, Thomas D.; McNiven, Andrew; Knott, Boyd; Thessen, Todd; Carter, Kara; Amick, Joycelyn, Method for coating stents.
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  30. Hossainy, Syed F. A., Method for coating stents.
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  31. Kokish, Arkady; Snyder, Charles, Method for reducing stent coating defects.
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  32. Fox, Jason; Harold, Nathan; Templin, Barry; Tochterman, Andrew, Method for selectively coating surfaces of a stent.
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  33. Yip, Philip S.; Tang, Fuh-Wei; Andreacchi, Anthony, Method of coating a stent.
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  36. Pacetti, Stephen D.; Moein, Mohammed E., Method of using a mandrel to coat a stent.
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  37. Pacetti,Stephen D.; Villareal,Plaridel K., Method of using a stent mounting device to coat a stent.
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  38. Villareal, Plaridel K., Method of using a stent mounting device to coat a stent.
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  39. Hossainy, Syed F. A.; Sridharan, Srinivasan; Jacobs, James, Methods for manufacturing a coated stent-balloon assembly.
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  40. Craig, Charles H.; Papp, John E.; Jayasinghe, Dudley; Hines, Lionel G.; Orosa, Dennis, Nanobead releasing medical devices.
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  44. Ludwig, Florian Niklas; Pacetti, Stephen D.; Hossainy, Syed F. A.; Davalian, Dariush, Nanoshells on polymers.
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  47. Sale, Richard; Ostreicher, Eugene, Pre-metered, unsupported multilayer microporous membrane.
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  48. Sale,Richard; Ostreicher,Eugene, Pre-metered, unsupported multilayer microporous membrane.
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  49. Wang I-Fan ; Ditter Jerome F. ; Zepf Robert, Process of making a polyvinylidene difluoride membrane.
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  50. Tang, Yiwen; Pacetti, Stephen D.; Lin, Qing; Ding, Ni, Purification of polymers for coating applications.
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  51. Van Sciver, Jason, Rotatable support elements for stents.
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  52. Van Sciver, Jason, Rotatable support elements for stents.
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  54. Van Sciver, Jason, Rotatable support elements for stents.
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  55. Van Sciver, Jason, Rotatable support elements for stents.
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  56. Hossainy,Syed F. A.; Mirzaee,Daryush, Selective coating of medical devices.
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  57. Tochterman, Andrew J.; Fox, William J.; Harold, Nathan, Selectively coating luminal surfaces of stents.
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  58. Simonetti, John A.; Vinarov, Irina, Semipermeable hydrophilic membrane.
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  59. Chen, Yung-Ming; Bradshaw, Allan; Foreman, Philip C.; Teaby, Greg, Stent fixture and method for reducing coating defects.
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  60. DesNoyer, Jessica R.; Pacetti, Stephen D, Stent mandrel fixture and method for coating stents.
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  61. Kerrigan,Cameron, Stent mandrel fixture and method for minimizing coating defects.
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  62. Fox, Jason; Harold, Nathan; Templin, Barry; Tochterman, Andrew, Stent mandrel fixture and method for selectively coating surfaces of a stent.
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  63. Fox,Jason; Harold,Nathan; Templin,Barry; Tochterman,Andrew, Stent mandrel fixture and method for selectively coating surfaces of a stent.
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  64. Kokish,Arkady; Snyder,Charles, Stent mandrel fixture and system for reducing coating defects.
    상세보기
  65. Pacetti,Stephen D.; Villareal,Plaridel K., Stent mounting assembly and a method of using the same to coat a stent.
    상세보기
  66. Villareal,Plaridel K., Stent mounting device and a method of using the same to coat a stent.
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  67. Chen, Yung Ming; Ho, Henjen, System and method for coating an implantable medical device.
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  68. Hossainy, Syed F. A., System for coating stents.
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  69. McGinnis, Robert L.; McGurgan, Gary, Thin film composite heat exchangers.
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  70. Sale, Richard; Ostreicher, Eugene, Unsupported multizone microporous membrane.
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