FR2165957A1 - - Google Patents

Info

Publication number
FR2165957A1
FR2165957A1 FR7245088A FR7245088A FR2165957A1 FR 2165957 A1 FR2165957 A1 FR 2165957A1 FR 7245088 A FR7245088 A FR 7245088A FR 7245088 A FR7245088 A FR 7245088A FR 2165957 A1 FR2165957 A1 FR 2165957A1
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.)
Granted
Application number
FR7245088A
Other languages
French (fr)
Other versions
FR2165957B1 (enrdf_load_stackoverflow
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.)
Chemical Systems Inc
Chem Systems Inc
Original Assignee
Chemical Systems Inc
Chem Systems 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 Chemical Systems Inc, Chem Systems Inc filed Critical Chemical Systems Inc
Publication of FR2165957A1 publication Critical patent/FR2165957A1/fr
Application granted granted Critical
Publication of FR2165957B1 publication Critical patent/FR2165957B1/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
    • B01D71/48—Polyesters
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Laminated Bodies (AREA)
FR727245088A 1971-12-16 1972-12-18 Expired FR2165957B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20892871A 1971-12-16 1971-12-16

Publications (2)

Publication Number Publication Date
FR2165957A1 true FR2165957A1 (enrdf_load_stackoverflow) 1973-08-10
FR2165957B1 FR2165957B1 (enrdf_load_stackoverflow) 1979-02-09

Family

ID=22776626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727245088A Expired FR2165957B1 (enrdf_load_stackoverflow) 1971-12-16 1972-12-18

Country Status (4)

Country Link
CA (1) CA1025590A (enrdf_load_stackoverflow)
DE (1) DE2261895B2 (enrdf_load_stackoverflow)
FR (1) FR2165957B1 (enrdf_load_stackoverflow)
GB (2) GB1425319A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611320B2 (ja) * 1984-10-02 1994-02-16 旭メデイカル株式会社 血液透析用中空糸膜
GB8620484D0 (en) * 1986-08-22 1986-10-01 Raychem Ltd Plugged microporous film
EP2060315A3 (en) * 2007-11-15 2009-08-12 DSMIP Assets B.V. High performance membrane
WO2012175416A1 (en) * 2011-06-23 2012-12-27 Solvay Specialty Polymers Italy S.P.A. Process for manufacturing porous membranes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216882A (en) * 1960-12-05 1965-11-09 Nalco Chemical Co Porous plastic film
CH446714A (fr) * 1964-09-23 1967-11-15 Rhone Poulenc Sa Procédé d'obtention d'une matière microporeuse
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
GB1221392A (en) * 1968-03-30 1971-02-03 Varta Gmbh The invention relates to a separator for galvanic dry cells using aqueous electrolyte

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216882A (en) * 1960-12-05 1965-11-09 Nalco Chemical Co Porous plastic film
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
CH446714A (fr) * 1964-09-23 1967-11-15 Rhone Poulenc Sa Procédé d'obtention d'une matière microporeuse
GB1221392A (en) * 1968-03-30 1971-02-03 Varta Gmbh The invention relates to a separator for galvanic dry cells using aqueous electrolyte

Also Published As

Publication number Publication date
CA1025590A (en) 1978-01-31
DE2261895A1 (de) 1973-06-28
GB1425319A (en) 1976-02-18
FR2165957B1 (enrdf_load_stackoverflow) 1979-02-09
GB1425318A (en) 1976-02-18
DE2261895B2 (de) 1979-10-25

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Legal Events

Date Code Title Description
ST Notification of lapse