FR2482468B1 - - Google Patents

Info

Publication number
FR2482468B1
FR2482468B1 FR8011124A FR8011124A FR2482468B1 FR 2482468 B1 FR2482468 B1 FR 2482468B1 FR 8011124 A FR8011124 A FR 8011124A FR 8011124 A FR8011124 A FR 8011124A FR 2482468 B1 FR2482468 B1 FR 2482468B1
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
FR8011124A
Other languages
French (fr)
Other versions
FR2482468A1 (en
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.)
Bend Research Inc
Original Assignee
Bend Research 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 Bend Research Inc filed Critical Bend Research Inc
Priority to FR8011124A priority Critical patent/FR2482468A1/fr
Publication of FR2482468A1 publication Critical patent/FR2482468A1/fr
Application granted granted Critical
Publication of FR2482468B1 publication Critical patent/FR2482468B1/fr
Granted legal-status Critical Current

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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D69/08—Hollow fibre membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR8011124A 1980-05-19 1980-05-19 Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane Granted FR2482468A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8011124A FR2482468A1 (en) 1980-05-19 1980-05-19 Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8011124A FR2482468A1 (en) 1980-05-19 1980-05-19 Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane

Publications (2)

Publication Number Publication Date
FR2482468A1 FR2482468A1 (en) 1981-11-20
FR2482468B1 true FR2482468B1 (enrdf_load_stackoverflow) 1989-01-13

Family

ID=9242100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011124A Granted FR2482468A1 (en) 1980-05-19 1980-05-19 Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane

Country Status (1)

Country Link
FR (1) FR2482468A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
AU4279093A (en) * 1992-06-23 1994-01-24 Minntech Corporation Hollow fiber membrane incorporating a surfactant and process for preparing same
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1069231A (en) * 1966-02-21 1967-05-17 Du Pont Separation of fluid mixtures
US4039440A (en) * 1972-09-19 1977-08-02 The United States Of America As Represented By The Secretary Of The Interior Reverse osmosis membrane
US4051300A (en) * 1973-09-03 1977-09-27 Gulf South Research Institute Hollow synthetic fibers
FR2410501A1 (fr) * 1976-11-15 1979-06-29 Monsanto Co Membranes a composants multiples pour des separations de gaz
US4250029A (en) * 1977-04-25 1981-02-10 Rohm And Haas Company Coated membranes

Also Published As

Publication number Publication date
FR2482468A1 (en) 1981-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse