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Modified polyvinylalcohol containing semipermeable composite membranes, process for their manufacture and their use

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-013/00
출원번호 US-0160127 (1988-02-25)
우선권정보 CH-0006925 (1980-09-16)
발명자 / 주소
  • Linder Charles (Rehovot ILX) Perry Mordechai (Petach Tikvah ILX) Kotraro Reuven (Rehovot ILX)
출원인 / 주소
  • Aligena AG (Basel CHX 03)
인용정보 피인용 횟수 : 37  인용 특허 : 3

초록

Semipermeable composite membranes containing on one surface of a porous support a superficial thin film having semipermeable properties. The film contains polyvinyl alcohol (PVA)/polyvinyl alcohol-copolymers (PVA-copolymers) modified by at least radicals containing ionizable groups are provided. The

대표청구항

A process for separating substances, which comprises directing aqueous solutions of mixtures of substances under pressure through a semipermeable membrane containing on one surface of a porous support a superficial thin film having semipermeable properties of at least two layers of polymers selected

이 특허에 인용된 특허 (3)

  1. Steigelmann Edward F. (Naperville IL) Sokol Charles S. (Cincinnati OH), Fluid separation process and membrane.
  2. Henis Jay M. S. (Creve Coeur MO) Tripodi Mary K. (Creve Coeur MO), Multicomponent membranes for gas separations.
  3. Linder Charles (Rehovot ILX) Perry Mordechai (Petach Tikvah ILX) Kotraro Reuven (Rehovot ILX), Semipermeable composite membranes, their manufacture, and use.

이 특허를 인용한 특허 (37)

  1. Minhas, Bhupender S.; Peiffer, Dennis G.; Dalrymple, David C., Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes.
  2. Minhas, Bhupender S.; Peiffer, Dennis G.; Mayers, Michael; White, Lloyd S.; Feehley, William A., Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes.
  3. Koehler, Jeff; Foster, Alexis; Song, Keunwon; Lee, Youngju; Shin, Chongkyu, Additives for salt rejection enhancement of a membrane.
  4. Coan,Frederick L.; Jensvold,John A., Air dehydration membrane.
  5. Herron,Jack, Asymmetric forward osmosis membranes.
  6. Mickols, William E.; Zhang, Chunming, Composite membrane including coating of polyalkylene oxide and acetophenone compounds.
  7. Mickols, William E.; Zhang, Chunming; Hamilton, Christopher T., Composite membrane including coating of polyalkylene oxide and triazine compounds.
  8. Mickols, William E.; Zhang, Chunming; Hamilton, Christopher T., Composite membrane with coating comprising polyalkylene oxide and biguanide-type compounds.
  9. Mickols, William E.; Zhang, Chunming; Hamilton, Christopher T., Composite membrane with coating comprising polyalkylene oxide and imidazol compounds.
  10. Mickols, William E.; Zhang, Chunming, Composite membrane with coating comprising polyalkylene oxide and oxy-substituted phenyl compounds.
  11. Hachisuka Hisao,JPX ; Ikeda Kenichi,JPX, Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same.
  12. Duong,Hieu Minh; Steiger,Daniel, Composition and associated method.
  13. Lee,Soo Bok; Kim,Jeong Hoon; Park,In Jun; Kim,Dong Kwon; Ha,Jong Wook; Chang,Bong Jun; Lee,Kwang Won; Kim,Kwang Han; Lee,Sang yun; Ahn,Sang Man; Choi,Seung Hak, Crosslinked polyvinyl alcohol-based polymer membrane and a process of its preparation.
  14. Kurth, Christopher James; Koehler, Jeffrey Alan; Zhou, Meijuan; Holmberg, Brett Anderson; Burk, Robert Leon, Hybrid TFC RO membranes with nitrogen additives.
  15. Koehler, Jeffrey Alan; Kurth, Christopher James, Hybrid TFC RO membranes with non-metallic additives.
  16. Koehler, Jeffrey Alan; Kurth, Christopher James, Hybrid TFC RO membranes with non-metallic additives.
  17. Kurth, Christopher James; Koehler, Jeffrey Alan; Zhou, Meijuan; Holmberg, Brett Anderson; Burk, Robert Leon, Hybrid nanoparticle TFC membranes.
  18. Kurth, Christopher James; Koehler, Jeffrey Alan; Zhou, Meijuan; Holmberg, Brett Anderson; Burk, Robert Leon, Hybrid nanoparticle TFC membranes.
  19. Kurth, Christopher James; Koehler, Jeffrey Alan; Zhou, Meijuan; Holmberg, Brett Anderson; Burk, Robert Leon, Hybrid nanoparticle TFC membranes.
  20. Duong,Hieu Minh; Zhou,Hongyi; Koeniger,Rainer; Brunelle,Daniel Joseph; Olson,Daniel Robert; Olson,Karmin Lorraine, Hydrophilic membrane and associated method.
  21. Gagnon David R. (St. Paul MN) Krinke Harlan L. (May Township ; Washington County MN) Brizuela Corazon C. (Woodbury MN), Hydrophilic membranes for electrochemical devices and method for preparing same.
  22. Higa, Mitsuru; Jikihara, Atsushi; Kobayashi, Kenichi; Fujiwara, Naoki, Ion-exchange membrane and method for producing same.
  23. Michal Eugene T. ; Bigus Stephen James, Lubricious hydrophilic coating for an intracorporeal medical device.
  24. Duong, Hieu Minh; Steiger, Daniel, Membrane and associated method.
  25. Ho, W. S. Winston, Membranes, methods of making membranes, and methods of separating gases using membranes.
  26. Song, Keunwon; Ko, Young Hoon; Rozenbaoum, Evgueni; Shin, Chongkyu, Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents.
  27. Hoek, Eric M. V.; Ghosh, Asim K.; Nygaard, Jodie M., Micro-and nanocomposite support structures for reverse osmosis thin film membranes.
  28. Aminabhavi,Tejraj M.; Kulkarni,Padmakar V.; Kurkuri,Mahaveer, Pervaporation membranes and methods of use.
  29. Holmberg, Brett Anderson; Koehler, Jeff; Jeon, Hyung Joon, Process for improved water flux through a TFC membrane.
  30. Bargeman, Gerrald; Demmer, René Lodewijk Maria; Ten Kate, Antoon; Kuzmanovic, Boris; Van Lare, Cornelis Elizabeth Johannus; Mayer, Mateo Jozef Jacques; Schutyser, Maarten André Irène; Westerink, Jan Barend, Process to prepare chlorine-containing compounds.
  31. Bargeman, Gerrald; Demmer, René Lodewijk Maria; Ten Kate, Antoon; Kuzmanovic, Boris; Van Lare, Cornelis Elizabeth Johannus; Mayer, Mateo Jozef Jacques; Schutyser, Maarten André Irène; Westerink, Jan Barend, Process to prepare salt.
  32. Gagnon David R., Receptive media for permanent imaging and methods of preparing and using same.
  33. Hisao Hachisuka JP; Kenichi Ikeda JP, Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same.
  34. Kurth, Christopher James; Koehler, Jeffrey Alan; Zhou, Meijuan; Holmberg, Brett Anderson; Burk, Robert Leon, Reverse osmosis membranes.
  35. Perry, Mordechai; Ginzburg, Vera; Ginzburg, Boris; Lapido, Polina, Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams.
  36. Perry, Mordechai; Ginzburg, Vera; Ginzburg, Boris; Lapido, Polina, Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams.
  37. Lazzaro, Frank A.; Hack, Dennis P., Syringe plunger sensing mechanism for a medical injector.
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