EP0888171A4 - Asymmetric supported membrane for direct osmotic concentration - Google Patents

Asymmetric supported membrane for direct osmotic concentration

Info

Publication number
EP0888171A4
EP0888171A4 EP97916730A EP97916730A EP0888171A4 EP 0888171 A4 EP0888171 A4 EP 0888171A4 EP 97916730 A EP97916730 A EP 97916730A EP 97916730 A EP97916730 A EP 97916730A EP 0888171 A4 EP0888171 A4 EP 0888171A4
Authority
EP
European Patent Office
Prior art keywords
supported membrane
osmotic concentration
direct osmotic
asymmetric
asymmetric supported
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP97916730A
Other languages
German (de)
French (fr)
Other versions
EP0888171A1 (en
Inventor
Edward G Beaudry
John R Herron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osmotek Inc
Original Assignee
Osmotek Inc
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 Osmotek Inc filed Critical Osmotek Inc
Publication of EP0888171A1 publication Critical patent/EP0888171A1/en
Publication of EP0888171A4 publication Critical patent/EP0888171A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/107Organic support material
    • B01D69/1071Woven, non-woven or net mesh
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
EP97916730A 1996-03-11 1997-03-11 Asymmetric supported membrane for direct osmotic concentration Withdrawn EP0888171A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US61387896A 1996-03-11 1996-03-11
US613878 1996-03-11
PCT/US1997/003574 WO1997033681A1 (en) 1996-03-11 1997-03-11 Asymmetric supported membrane for direct osmotic concentration

Publications (2)

Publication Number Publication Date
EP0888171A1 EP0888171A1 (en) 1999-01-07
EP0888171A4 true EP0888171A4 (en) 2000-01-05

Family

ID=24459033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97916730A Withdrawn EP0888171A4 (en) 1996-03-11 1997-03-11 Asymmetric supported membrane for direct osmotic concentration

Country Status (5)

Country Link
EP (1) EP0888171A4 (en)
JP (1) JP2000506439A (en)
AU (1) AU724712B2 (en)
CA (1) CA2248256A1 (en)
WO (1) WO1997033681A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6299777B1 (en) * 1999-08-17 2001-10-09 Cms Technology Holdings, Inc. Osmotic distillation process
SG178507A1 (en) * 2009-08-24 2012-03-29 Oasys Water Inc Forward osmosis membranes
AU2011312881B2 (en) * 2010-09-30 2015-07-16 Porifera, Inc. Thin film composite membranes for forward osmosis, and their preparation methods
WO2012108914A2 (en) 2010-10-04 2012-08-16 Oasys Water, Inc. Thin film composite heat exchangers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04197426A (en) * 1990-11-28 1992-07-17 Nitto Denko Corp Separation membrane
JPH06346A (en) * 1992-06-17 1994-01-11 Nitto Denko Corp Composite semipermeable membrane and spiral-type separation membrane device
WO1996002317A1 (en) * 1994-07-20 1996-02-01 Millipore Corporation Cellulosic ultrafiltration membrane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
US4707265A (en) * 1981-12-18 1987-11-17 Cuno Incorporated Reinforced microporous membrane
US5275725A (en) * 1990-11-30 1994-01-04 Daicel Chemical Industries, Ltd. Flat separation membrane leaf and rotary separation apparatus containing flat membranes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04197426A (en) * 1990-11-28 1992-07-17 Nitto Denko Corp Separation membrane
JPH06346A (en) * 1992-06-17 1994-01-11 Nitto Denko Corp Composite semipermeable membrane and spiral-type separation membrane device
WO1996002317A1 (en) * 1994-07-20 1996-02-01 Millipore Corporation Cellulosic ultrafiltration membrane

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 16, no. 524 (C - 1000) 28 October 1992 (1992-10-28) *
PATENT ABSTRACTS OF JAPAN vol. 18, no. 198 (C - 1187) 7 April 1994 (1994-04-07) *

Also Published As

Publication number Publication date
AU724712B2 (en) 2000-09-28
CA2248256A1 (en) 1997-09-18
WO1997033681A1 (en) 1997-09-18
AU2527597A (en) 1997-10-01
EP0888171A1 (en) 1999-01-07
JP2000506439A (en) 2000-05-30

Similar Documents

Publication Publication Date Title
EG21499A (en) Membrane
GB2340773B (en) Non-porous gas permeable membrane
EP0752266A3 (en) Highly permeable composite reverse osmosis membrane
DE69717322D1 (en) Highly permeable composite reverse osmosis membrane
EP1020218A4 (en) Composite reverse osmosis membrane and process for preparing the same
EP0954371A4 (en) Improved microporous membrane filtration assembly
AU4418597A (en) Supported liquid membrane separation
IL166051A0 (en) Membrane localization reagent
HUP0003317A3 (en) Cleaning method for membranes
EP1044719A4 (en) Support for semipermeable membrane
IL130129A0 (en) Polysulfone semipermeable membranes and methods for making the same
GB9607090D0 (en) Improved membrane
DE69725563D1 (en) GEO-COMPOSITE MEMBRANE
ZA97628B (en) Membrane separation process
GB9821706D0 (en) Membrane structure
EP0888171A4 (en) Asymmetric supported membrane for direct osmotic concentration
EP0674940A3 (en) Pervaporation membranes and their use.
GB9415601D0 (en) Membrane
AU2824997A (en) Supported liquid membrane separation
GB9807703D0 (en) Dewaterig membrane structure
GB2322134B (en) Membrane
EP0858827A4 (en) Membrane element
AU4565396A (en) Membrane machine
GB9610722D0 (en) Membrane support
GB9401102D0 (en) Semi-permeable membranes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19981012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

Effective date: 19991123

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RIC1 Information provided on ipc code assigned before grant

Free format text: 7B 01D 63/00 A, 7B 01D 71/12 B, 7B 01D 71/16 B, 7B 32B 5/14 B, 7B 32B 5/18 B, 7B 01D 69/10 B

17Q First examination report despatched

Effective date: 20020315

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20020726