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Production of aromatic polyimide membranes 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-053/22
  • B01D-071/64
출원번호 US-0418835 (1989-10-10)
발명자 / 주소
  • Ekiner Okan M. (Wilmington DE) Hayes Richard A. (Parkersburg WV)
출원인 / 주소
  • E. I. Du Pont de Nemours and Company (Wilmington DE 02) L\Air Liquide S.A. (Paris Cedex FRX 03)
인용정보 피인용 횟수 : 16  인용 특허 : 24

초록

A process of producing a polyimide gas separation membranes comprising adding an oligomeric or polymeric aromatic epoxy resin to the dope solution, the resin being soluble in the polyimide or polyamic acid precursor, the solvent and the final membrane and the membrane comprising a blend of the polyi

대표청구항

A gas separation membrane comprising a blend of an aromatic polymer having an imide linkage in its backbone and sufficient oligomeric or polymeric residue of a sufficient molecular weight, said residue being soluble in the gas separation membrane.

이 특허에 인용된 특허 (24)

  1. Nakamura Asumaru (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX), Aromatic imide polymer hollow filaments.
  2. Makino Hiroshi (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX) Shimazaki Hiroshi (Ichihara JPX) Isida Tosio (Ichihara JPX), Aromatic polyimide composite separating membrane.
  3. Makino Hiroshi (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX) Shimazaki Hiroshi (Ichihara JPX) Isida Tosio (Ichihara JPX), Aromatic polyimide gas-separating membrane.
  4. Kimura Yoshiharu (Ohmihachiman JPX), Co-poly (imide ether) copolymer from diaminated polyalkyleneglycol.
  5. Makino Hiroshi (Ichihara JPX) Nakatani Masayuki (Ichihara JPX), Gas separating material.
  6. Makino, Hiroshi; Kusuki, Yoshihiro; Harada, Takashi; Shimazaki, Hiroshi, Gas separating material.
  7. Manos ; Philip, Gas separation membrane drying with water replacement liquid.
  8. Manos ; Philip, Membrane drying process.
  9. Henis Jay M. S. (Creve Coeur MO) Tripodi Mary K. (Creve Coeur MO), Multicomponent membranes for gas separations.
  10. Brooks Albert A. (St. Louis MO) Fried Joel R. (Cincinnati OH) Henis Jay M. S. (Creve Coeur MO) Zampini Anthony (St. Louis MO) Raucher Daniel (St. Louis MO), Permeation modified gas separation membranes.
  11. Hayes Richard A. (Hockessin DE), Polyimide gas separation membranes.
  12. Hayes Richard A. (Hockessin DE), Polyimide gas separation membranes.
  13. Hayes Richard A. (Hockessin DE), Polyimide gas separation membranes.
  14. Hayes Richard A. (Hockessin DE), Polyimide gas separation membranes.
  15. Hayes Richard A. (Hockessin DE), Polyimide gas separation membranes.
  16. Makino Hiroshi (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX) Shimazaki Hiroshi (Ichihara JPX) Isida Tosio (Ichihara JPX), Porous aromatic imide polymer membrane and a process for its manufacture.
  17. Makino Hiroshi (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX) Shimazaki Hiroshi (Ichihara JPX) Isida Tosio (Ichihara JPX), Process for producing aromatic polyimide composite separating membrane.
  18. Makino Hiroshi (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX) Shimazaki Hiroshi (Ichihara JPX), Process for producing aromatic polyimide filaments.
  19. Makino Hiroshi (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX) Shimazaki Hiroshi (Ichihara JPX) Isida Tosio (Ichihara JPX), Process for producing porous aromatic polyimide membranes.
  20. Makino Hiroshi (Ichihara JPX) Kusuki Yoshihiro (Ichihara JPX) Harada Takashi (Ichihara JPX) Shimazaki Hiroshi (Ichihara JPX) Isida Tosio (Ichihara JPX), Production of aromatic polyimide separating membranes.
  21. Ekiner Okan M. (Wilmington DE) Hayes Richard A. (Hockessin DE) Manos Philip (Wilmington DE), Reactive posttreatment for gas separation membranes.
  22. Wrasidlo Wolfgang J. (La Jolla CA) Mysels Karol J. (La Jolla CA), Semi-permeable membranes and processes for making the same.
  23. Manos ; Philip, Solvent exchange drying of membranes for gas separation.
  24. Kohn Rachel S. (Springfield NJ), Ultrathin polyimide polymers films and their preparation.

이 특허를 인용한 특허 (16)

  1. Jojic, Ivana; Snow, Jr., Donald R; Grim, Alan; Hart, Colin W, Aircraft fuel tank flammability reduction methods and systems.
  2. Daniel Lee Avery ; Purushottam V. Shanbhag, Designed selectivity gas permeable membranes.
  3. Carlsen Daniel B. ; Andrus Robert G. ; Hall ; II Robert T., Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide.
  4. Chakraborty, Sudipto; Liu, Chunqing; Tran, Howie Q., High permeance membranes for gas separations.
  5. Wenthold Randal M. ; Hall ; II Robert T. ; Andrus Robert G. ; Brinda Paul D. ; Cosentino Louis C. ; Reggin Robert F. ; Pigott Daniel T., Hollow fiber membranes and method of manufacture.
  6. Hachisuka Hisao,JPX ; Ikeda Kenichi,JPX, Laminated asymmetric membrane and method for manufacturing the same.
  7. Stern S. Alexander (Manlius NY) Kawakami Hiroyoshi (Hachioji JPX) Houde Ajay Y. (Syracuse NY) Zhou Guangbin (Syracuse NY), Material and process for separating carbon dioxide from methane.
  8. Guzman Lucero, Diego Javier; Guzman Pantoja, Javier; Palomeque Santiago, Jorge Froylan, Membranes for gas separation synthesized from polyimides containing 4-fluoro-4′,4″-diaminotriphenylmethane.
  9. Beers, Karl S.; Anderson, Charles L., Multiple ASM OBIGGS with different permeability and selectivity membranes.
  10. Kulkarni, Sudhir S.; Hasse, David J., Polyimide based mixed matrix composite membranes.
  11. Kulkarni, Sudhir S.; Hasse, David J., Polyimide based mixed matrix composite membranes.
  12. Hachisuka Hisao,JPX ; Ikeda Kenichi,JPX, Polyimide semipermeable membrane.
  13. Ekiner Okan Max, Polymer blend membranes with improved mechanical properties.
  14. Okan Max Ekiner, Polymer blend membranes with improved mechanical properties.
  15. Koros William J. (Austin TX), Polymeric membrane.
  16. Allegretto Elizabeth A. ; Boehm Marcus F. ; Nadzan Alex M., Vitamin D3 mimics.
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