CA1249406A - Fabrication de membranes asymetriques, poreuses, et produit ainsi obtenu - Google Patents

Fabrication de membranes asymetriques, poreuses, et produit ainsi obtenu

Info

Publication number
CA1249406A
CA1249406A CA000468766A CA468766A CA1249406A CA 1249406 A CA1249406 A CA 1249406A CA 000468766 A CA000468766 A CA 000468766A CA 468766 A CA468766 A CA 468766A CA 1249406 A CA1249406 A CA 1249406A
Authority
CA
Canada
Prior art keywords
polymer
membrane
film
porous
dense
Prior art date
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
CA000468766A
Other languages
English (en)
Inventor
Maurice M. Zwick
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of CA1249406A publication Critical patent/CA1249406A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA000468766A 1983-11-30 1984-11-28 Fabrication de membranes asymetriques, poreuses, et produit ainsi obtenu Expired CA1249406A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55674883A 1983-11-30 1983-11-30
US556,748 1983-11-30

Publications (1)

Publication Number Publication Date
CA1249406A true CA1249406A (fr) 1989-01-31

Family

ID=24222695

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000468766A Expired CA1249406A (fr) 1983-11-30 1984-11-28 Fabrication de membranes asymetriques, poreuses, et produit ainsi obtenu

Country Status (4)

Country Link
JP (1) JPS60132602A (fr)
AT (1) ATE58303T1 (fr)
CA (1) CA1249406A (fr)
DE (1) DE3483604D1 (fr)

Also Published As

Publication number Publication date
DE3483604D1 (de) 1990-12-20
JPS60132602A (ja) 1985-07-15
ATE58303T1 (de) 1990-11-15
JPH0456656B2 (fr) 1992-09-09

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Legal Events

Date Code Title Description
MKEX Expiry