FR1555331A - - Google Patents

Info

Publication number
FR1555331A
FR1555331A FR1555331DA FR1555331A FR 1555331 A FR1555331 A FR 1555331A FR 1555331D A FR1555331D A FR 1555331DA FR 1555331 A FR1555331 A FR 1555331A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1555331A publication Critical patent/FR1555331A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/16—Cellulose acetate
    • 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
    • B01D67/0016—Coagulation

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)
FR1555331D 1967-03-08 1968-03-05 Expired FR1555331A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11015/67A GB1158512A (en) 1967-03-08 1967-03-08 Process for the manufacture of Reverse Osmosis Membranes

Publications (1)

Publication Number Publication Date
FR1555331A true FR1555331A (de) 1969-01-24

Family

ID=9978486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1555331D Expired FR1555331A (de) 1967-03-08 1968-03-05

Country Status (8)

Country Link
BE (1) BE711950A (de)
CH (1) CH516942A (de)
DE (1) DE1642792B2 (de)
ES (1) ES351354A1 (de)
FR (1) FR1555331A (de)
GB (1) GB1158512A (de)
IL (1) IL29555A (de)
NL (1) NL6803244A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176668A (en) * 1977-05-02 1979-12-04 Amf Incorporated Novel reconstituted tobacco sheets and process
EP0026399B1 (de) * 1979-09-19 1984-03-14 Aligena Ag Poröse, semipermeable, mit ionisierbaren Gruppen modifizierte Celluloseacetatmembranen, Verfahren zu ihrer Herstellung und ihre Verwendung

Also Published As

Publication number Publication date
DE1642792A1 (de) 1971-02-25
DE1642792B2 (de) 1978-09-07
CH516942A (de) 1971-12-31
GB1158512A (en) 1969-07-16
NL6803244A (de) 1968-09-09
BE711950A (de) 1968-07-15
ES351354A1 (es) 1969-12-01
IL29555A (en) 1972-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse