EG12437A - Semipermeable membranes and the method for the preparation thereof - Google Patents

Semipermeable membranes and the method for the preparation thereof

Info

Publication number
EG12437A
EG12437A EG76566A EG56676A EG12437A EG 12437 A EG12437 A EG 12437A EG 76566 A EG76566 A EG 76566A EG 56676 A EG56676 A EG 56676A EG 12437 A EG12437 A EG 12437A
Authority
EG
Egypt
Prior art keywords
preparation
semipermeable membranes
semipermeable
membranes
Prior art date
Application number
EG76566A
Other languages
English (en)
Inventor
W Wrasidlo
Original Assignee
Uop 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 Uop Inc filed Critical Uop Inc
Application granted granted Critical
Publication of EG12437A publication Critical patent/EG12437A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/60—Polyamines
    • B01D71/601—Polyethylenimine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EG76566A 1975-09-22 1976-09-15 Semipermeable membranes and the method for the preparation thereof EG12437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/615,252 US4005012A (en) 1975-09-22 1975-09-22 Semipermeable membranes and the method for the preparation thereof

Publications (1)

Publication Number Publication Date
EG12437A true EG12437A (en) 1978-12-31

Family

ID=24464635

Family Applications (1)

Application Number Title Priority Date Filing Date
EG76566A EG12437A (en) 1975-09-22 1976-09-15 Semipermeable membranes and the method for the preparation thereof

Country Status (12)

Country Link
US (1) US4005012A (no)
JP (1) JPS5240486A (no)
AR (1) AR219906A1 (no)
AU (1) AU500659B2 (no)
BR (1) BR7606224A (no)
CA (1) CA1068996A (no)
DE (1) DE2642407C3 (no)
EG (1) EG12437A (no)
FR (1) FR2324338A1 (no)
GB (1) GB1558807A (no)
IL (1) IL50384A (no)
MX (1) MX144990A (no)

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Also Published As

Publication number Publication date
AU500659B2 (en) 1979-05-31
GB1558807A (en) 1980-01-09
CA1068996A (en) 1980-01-01
IL50384A (en) 1979-03-12
JPS5538164B2 (no) 1980-10-02
DE2642407C3 (de) 1981-10-01
BR7606224A (pt) 1977-06-14
AR219906A1 (es) 1980-09-30
FR2324338B1 (no) 1981-05-08
US4005012A (en) 1977-01-25
AU1736876A (en) 1978-03-09
JPS5240486A (en) 1977-03-29
FR2324338A1 (fr) 1977-04-15
IL50384A0 (en) 1976-10-31
DE2642407B2 (de) 1980-10-09
MX144990A (es) 1981-12-10
DE2642407A1 (de) 1977-03-24

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