FR2166350B1 - - Google Patents

Info

Publication number
FR2166350B1
FR2166350B1 FR7237187A FR7237187A FR2166350B1 FR 2166350 B1 FR2166350 B1 FR 2166350B1 FR 7237187 A FR7237187 A FR 7237187A FR 7237187 A FR7237187 A FR 7237187A FR 2166350 B1 FR2166350 B1 FR 2166350B1
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
FR7237187A
Other versions
FR2166350A1 (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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2166350A1 publication Critical patent/FR2166350A1/fr
Application granted granted Critical
Publication of FR2166350B1 publication Critical patent/FR2166350B1/fr
Expired 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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • 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
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • 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
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7237187A 1972-01-06 1972-10-20 Expired FR2166350B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21580972A 1972-01-06 1972-01-06

Publications (2)

Publication Number Publication Date
FR2166350A1 FR2166350A1 (fr) 1973-08-17
FR2166350B1 true FR2166350B1 (fr) 1976-05-21

Family

ID=22804487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237187A Expired FR2166350B1 (fr) 1972-01-06 1972-10-20

Country Status (7)

Country Link
US (1) US3792135A (fr)
JP (1) JPS5611485B2 (fr)
CA (1) CA987873A (fr)
DE (1) DE2300496C3 (fr)
FR (1) FR2166350B1 (fr)
GB (1) GB1420121A (fr)
IL (1) IL41163A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2323635A1 (de) * 1972-05-12 1973-11-29 Yeda Res & Dev Polymerisatlegierung mit einer phsophor und halogen enthaltenden polymerenkomponente
US4035457A (en) * 1975-05-01 1977-07-12 Chemical Systems Incorporated Nonbiodegradable polymers
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
US4305824A (en) * 1978-08-10 1981-12-15 Toray Industries, Incorporated Cellulose derivative reverse osmosis membrane
US4219517A (en) * 1978-10-12 1980-08-26 Puropore Inc. Process for spinning dense hollow fiber cellulosic membrane
US4333972A (en) * 1980-06-25 1982-06-08 Puropore, Inc. Highly anisotropic membranes
DE3430503A1 (de) * 1984-08-18 1986-02-27 Akzo Gmbh, 5600 Wuppertal Dialysemembran aus modifizierter cellulose mit verbesserter biokompatibilitaet
DE3572771D1 (en) * 1984-08-18 1989-10-12 Akzo Gmbh Modified cellulose dialysis membrane with improved biocompatibility
US4681605A (en) * 1985-06-27 1987-07-21 A/G Technology Corporation Anisotropic membranes for gas separation
ES2052605T3 (es) * 1986-08-15 1994-07-16 Permea Inc Membranas asimetricas de separacion de gas que tienen peliculas de densidad graduada.
US4871494A (en) * 1986-08-15 1989-10-03 Permea, Inc. Process for forming asymmetric gas separation membranes having graded density skins
US4728346A (en) * 1986-08-15 1988-03-01 Permea Inc. Permeation modified asymmetric gas separation membranes having graded density skins
US4990248A (en) * 1987-06-03 1991-02-05 Eastman Kodak Company Reverse osmosis apparatus
EP0330134A1 (fr) * 1988-02-25 1989-08-30 Akzo Nobel N.V. Cellulose modifiée, son utilisation comme membranes biocompatibles IV pour la dialyse et procédé pour sa préparation
EP0330106A1 (fr) * 1988-02-25 1989-08-30 Akzo Nobel N.V. Cellulose modifiée, son utilisation comme membranes biocompatibles II et procédé pour sa préparation
EP0339200A1 (fr) * 1988-02-25 1989-11-02 Akzo Nobel N.V. Cellulose modifiée, son utilisation comme membranes biocompatibles II pour la dialyse, et procédé pour sa préparation
DE3814326A1 (de) * 1988-04-28 1989-11-09 Akzo Gmbh Verfahren zur modifizierung von cellulosischen dialysemembranen zur verbesserung der biocompatibilitaet und vorrichtung zur durchfuehrung des verfahrens
JPH03109303U (fr) * 1990-02-26 1991-11-11

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544358A (en) * 1966-07-18 1970-12-01 Universal Water Corp Production of semipermeable membranes directly on the surfaces of permeable support bodies
US3592953A (en) * 1967-10-02 1971-07-13 Gen Electric Preparation of high flow cellulose derivative reverse osmosis membrane
US3522335A (en) * 1968-02-29 1970-07-28 Eastman Kodak Co Methods for producing reverse osmosis membrane and the composition utilized
US3666508A (en) * 1968-05-22 1972-05-30 Univ California High flux semipermeable cellulosic derivative membranes with dry handling capabilities and their method of preparation
GB1264670A (fr) * 1969-04-17 1972-02-23
US3607329A (en) * 1969-04-22 1971-09-21 Us Interior Cellulose acetate butyrate semipermeable membranes and their production

Also Published As

Publication number Publication date
DE2300496A1 (de) 1973-07-12
DE2300496C3 (de) 1982-04-08
US3792135A (en) 1974-02-12
CA987873A (en) 1976-04-27
GB1420121A (en) 1976-01-07
JPS5611485B2 (fr) 1981-03-14
IL41163A (en) 1975-08-31
IL41163A0 (en) 1973-02-28
FR2166350A1 (fr) 1973-08-17
JPS4874479A (fr) 1973-10-06
DE2300496B2 (de) 1981-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse