DK495888D0 - Polyamidmembraner til omvendt osmose - Google Patents

Polyamidmembraner til omvendt osmose

Info

Publication number
DK495888D0
DK495888D0 DK495888A DK495888A DK495888D0 DK 495888 D0 DK495888 D0 DK 495888D0 DK 495888 A DK495888 A DK 495888A DK 495888 A DK495888 A DK 495888A DK 495888 D0 DK495888 D0 DK 495888D0
Authority
DK
Denmark
Prior art keywords
polyamide membranes
reverse osmose
osmose
reverse
membranes
Prior art date
Application number
DK495888A
Other languages
English (en)
Other versions
DK174264B1 (da
DK495888A (da
Inventor
Richard F Fibiger
David J Forgach
Ja-Young Koo
Robert J Petersen
Donald L Schmidt
Thomas F Stocker
Ritchie A Wessling
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of DK495888D0 publication Critical patent/DK495888D0/da
Publication of DK495888A publication Critical patent/DK495888A/da
Application granted granted Critical
Publication of DK174264B1 publication Critical patent/DK174264B1/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/56—Polyamides, e.g. polyester-amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyamides (AREA)
DK198804958A 1987-11-18 1988-09-06 Polyamidmembraner til omvendt osmose DK174264B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/122,307 US4769148A (en) 1987-11-18 1987-11-18 Novel polyamide reverse osmosis membranes
US12230787 1987-11-18

Publications (3)

Publication Number Publication Date
DK495888D0 true DK495888D0 (da) 1988-09-06
DK495888A DK495888A (da) 1989-05-19
DK174264B1 DK174264B1 (da) 2002-10-28

Family

ID=22401937

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198804958A DK174264B1 (da) 1987-11-18 1988-09-06 Polyamidmembraner til omvendt osmose

Country Status (13)

Country Link
US (1) US4769148A (da)
EP (1) EP0316525B1 (da)
JP (1) JP2727087B2 (da)
KR (1) KR960016519B1 (da)
CN (1) CN1023866C (da)
AU (1) AU611474B2 (da)
BR (1) BR8804600A (da)
CA (1) CA1333462C (da)
DE (1) DE3876387T2 (da)
DK (1) DK174264B1 (da)
NO (1) NO172030C (da)
SG (1) SG25493G (da)
ZA (1) ZA886618B (da)

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Also Published As

Publication number Publication date
AU611474B2 (en) 1991-06-13
NO172030B (no) 1993-02-22
EP0316525A3 (en) 1990-05-16
CN1023866C (zh) 1994-02-23
EP0316525B1 (en) 1992-12-02
NO883948D0 (no) 1988-09-05
BR8804600A (pt) 1989-05-23
DK174264B1 (da) 2002-10-28
KR890008212A (ko) 1989-07-10
US4769148A (en) 1988-09-06
NO883948L (no) 1989-05-19
KR960016519B1 (ko) 1996-12-14
ZA886618B (en) 1990-05-30
EP0316525A2 (en) 1989-05-24
AU2176888A (en) 1989-05-18
DK495888A (da) 1989-05-19
NO172030C (no) 1993-06-02
CA1333462C (en) 1994-12-13
JPH01130707A (ja) 1989-05-23
CN1033187A (zh) 1989-05-31
JP2727087B2 (ja) 1998-03-11
DE3876387D1 (de) 1993-01-14
SG25493G (en) 1993-07-09
DE3876387T2 (de) 1993-06-09

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