ZA886618B - Polyamide reverse osmosis membranes - Google Patents

Polyamide reverse osmosis membranes

Info

Publication number
ZA886618B
ZA886618B ZA886618A ZA886618A ZA886618B ZA 886618 B ZA886618 B ZA 886618B ZA 886618 A ZA886618 A ZA 886618A ZA 886618 A ZA886618 A ZA 886618A ZA 886618 B ZA886618 B ZA 886618B
Authority
ZA
South Africa
Prior art keywords
reverse osmosis
osmosis membranes
polyamide reverse
polyamide
membranes
Prior art date
Application number
ZA886618A
Other languages
English (en)
Inventor
Richard F Fibiger
F Fibiger Richard
David J Forgach
J Forgach David
Ja-Young Koo
Koo Ja-Young
Robert J Petersen
J Petersen Robert
Donald L Schmidt
L Schmidt Donald
Thomas F Stocker
F Stocker Thomas
Ritchie A Wessling
A Wessling Ritchie
Original Assignee
Dow Chemical Co
Filmtec Corp
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, Filmtec Corp filed Critical Dow Chemical Co
Publication of ZA886618B publication Critical patent/ZA886618B/xx

Links

Classifications

    • 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
    • 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
    • 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)
ZA886618A 1987-11-18 1988-09-06 Polyamide reverse osmosis membranes ZA886618B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA886618B true ZA886618B (en) 1990-05-30

Family

ID=22401937

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA886618A ZA886618B (en) 1987-11-18 1988-09-06 Polyamide reverse osmosis membranes

Country Status (13)

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

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KR960016519B1 (ko) 1996-12-14
CN1023866C (zh) 1994-02-23
AU611474B2 (en) 1991-06-13
EP0316525A2 (en) 1989-05-24
SG25493G (en) 1993-07-09
JPH01130707A (ja) 1989-05-23
DK495888A (da) 1989-05-19
AU2176888A (en) 1989-05-18
KR890008212A (ko) 1989-07-10
CA1333462C (en) 1994-12-13
NO883948L (no) 1989-05-19
CN1033187A (zh) 1989-05-31
JP2727087B2 (ja) 1998-03-11
BR8804600A (pt) 1989-05-23
NO883948D0 (no) 1988-09-05
NO172030B (no) 1993-02-22
NO172030C (no) 1993-06-02
EP0316525A3 (en) 1990-05-16
EP0316525B1 (en) 1992-12-02
DE3876387T2 (de) 1993-06-09
DK174264B1 (da) 2002-10-28
US4769148A (en) 1988-09-06
DK495888D0 (da) 1988-09-06
DE3876387D1 (de) 1993-01-14

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