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Hybrid TFC RO membranes with non-metallic additives

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-039/00
  • B01D-039/14
  • B01D-029/00
  • B01D-029/46
  • B01D-067/00
  • B01D-061/02
  • B01D-069/12
  • B01D-069/14
  • B01D-071/56
출원번호 US-0293744 (2011-11-10)
등록번호 US-8801935 (2014-08-12)
발명자 / 주소
  • Koehler, Jeffrey Alan
  • Kurth, Christopher James
출원인 / 주소
  • NanoH2O, Inc.
대리인 / 주소
    Fish & Richardson P.C.
인용정보 피인용 횟수 : 6  인용 특허 : 136

초록

A process for preparing a reverse osmosis membrane that includes: (A) providing a polyamine, a polyfunctional acid halide, and a flux increasing additive having the formula Z+B− where Z+ is an easily dissociable cation and B− is a beta-diketonate; (B) combining the polyamine, polyfunctional acid hal

대표청구항

1. A process for preparing a reverse osmosis membrane, comprising: (A) providing a polyamine, a polyfunctional acid halide, and a flux increasing additive consisting of Z+B−, where Z+ is H+ or has the formula R1R2R3R4N+, where R1, R2, R3, and R4, independently, are H, a C1-C6 hydrocarbyl group, a be

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  1. Koehler, Jeff; Foster, Alexis; Song, Keunwon; Lee, Youngju; Shin, Chongkyu, Additives for salt rejection enhancement of a membrane.
  2. Koehler, Jeff; Foster, Alexis; Song, Keunwon; Lee, Young Ju; Shin, Chongkyu, Chemical additives for enhancement of water flux of a membrane.
  3. Kurth, Christopher James; Koehler, Jeffrey Alan; Zhou, Meijuan; Holmberg, Brett Anderson; Burk, Robert Leon, Hybrid nanoparticle TFC membranes.
  4. Kurth, Christopher James; Koehler, Jeffrey Alan; Zhou, Meijuan; Holmberg, Brett Anderson; Burk, Robert Leon, Hybrid nanoparticle TFC membranes.
  5. Song, Keunwon; Ko, Young Hoon; Rozenbaoum, Evgueni; Shin, Chongkyu, Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents.
  6. Holmberg, Brett Anderson; Koehler, Jeff; Jeon, Hyung Joon, Process for improved water flux through a TFC membrane.
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