FR2150598B1 - - Google Patents

Info

Publication number
FR2150598B1
FR2150598B1 FR7131262A FR7131262A FR2150598B1 FR 2150598 B1 FR2150598 B1 FR 2150598B1 FR 7131262 A FR7131262 A FR 7131262A FR 7131262 A FR7131262 A FR 7131262A FR 2150598 B1 FR2150598 B1 FR 2150598B1
Authority
FR
France
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.)
Expired
Application number
FR7131262A
Other versions
FR2150598A1 (fr
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.)
Hercules LLC
Original Assignee
Hercules LLC
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
Priority to US822289A priority Critical patent/US3645890A/en
Application filed by Hercules LLC filed Critical Hercules LLC
Priority to DE2143015A priority patent/DE2143015A1/de
Priority to GB4043471A priority patent/GB1326490A/en
Priority to FR7131262A priority patent/FR2150598B1/fr
Publication of FR2150598A1 publication Critical patent/FR2150598A1/fr
Application granted granted Critical
Publication of FR2150598B1 publication Critical patent/FR2150598B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
FR7131262A 1969-05-06 1971-08-27 Expired FR2150598B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US822289A US3645890A (en) 1969-05-06 1969-05-06 Reverse osmosis membranes from crystalline polymers of vinyl methyl ether
DE2143015A DE2143015A1 (de) 1969-05-06 1971-08-27 Membranen aus vinylmethylaetherpolymerisaten und verfahren zum entsalzen von wasser
GB4043471A GB1326490A (en) 1969-05-06 1971-08-27 Reverse osmosis membranes and desalination of water therewith
FR7131262A FR2150598B1 (fr) 1969-05-06 1971-08-27

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US82228969A 1969-05-06 1969-05-06
DE2143015A DE2143015A1 (de) 1969-05-06 1971-08-27 Membranen aus vinylmethylaetherpolymerisaten und verfahren zum entsalzen von wasser
GB4043471 1971-08-27
FR7131262A FR2150598B1 (fr) 1969-05-06 1971-08-27

Publications (2)

Publication Number Publication Date
FR2150598A1 FR2150598A1 (fr) 1973-04-13
FR2150598B1 true FR2150598B1 (fr) 1976-04-02

Family

ID=27431311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7131262A Expired FR2150598B1 (fr) 1969-05-06 1971-08-27

Country Status (4)

Country Link
US (1) US3645890A (fr)
DE (1) DE2143015A1 (fr)
FR (1) FR2150598B1 (fr)
GB (1) GB1326490A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993566A (en) * 1975-01-08 1976-11-23 Amerace Corporation Reverse osmosis apparatus
US4454176A (en) * 1981-10-21 1984-06-12 E. I. Du Pont De Nemours And Company Supported reverse osmosis membranes
SE9303790D0 (sv) * 1993-11-17 1993-11-17 Pharmacia Lkb Biotech A method for separation and synthetic polymers that can be used as separation media in the method

Also Published As

Publication number Publication date
FR2150598A1 (fr) 1973-04-13
US3645890A (en) 1972-02-29
DE2143015A1 (de) 1973-03-01
GB1326490A (en) 1973-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse