JPS5027830B1 - - Google Patents

Info

Publication number
JPS5027830B1
JPS5027830B1 JP44104728A JP10472869A JPS5027830B1 JP S5027830 B1 JPS5027830 B1 JP S5027830B1 JP 44104728 A JP44104728 A JP 44104728A JP 10472869 A JP10472869 A JP 10472869A JP S5027830 B1 JPS5027830 B1 JP S5027830B1
Authority
JP
Japan
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.)
Pending
Application number
JP44104728A
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
Publication of JPS5027830B1 publication Critical patent/JPS5027830B1/ja
Pending 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0544—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being aqueous

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP44104728A 1968-12-31 1969-12-25 Pending JPS5027830B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681817542 DE1817542A1 (de) 1968-12-31 1968-12-31 Verfahren zum Herstellen einer semipermeablen Membran

Publications (1)

Publication Number Publication Date
JPS5027830B1 true JPS5027830B1 (ja) 1975-09-10

Family

ID=5717636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44104728A Pending JPS5027830B1 (ja) 1968-12-31 1969-12-25

Country Status (11)

Country Link
US (1) US3703570A (ja)
JP (1) JPS5027830B1 (ja)
BE (1) BE743821A (ja)
CH (1) CH512550A (ja)
DE (1) DE1817542A1 (ja)
FR (1) FR2027448A1 (ja)
GB (1) GB1279719A (ja)
IL (1) IL33621A (ja)
LU (1) LU60122A1 (ja)
NL (1) NL6919081A (ja)
SE (1) SE354786B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993625A (en) * 1973-05-28 1976-11-23 Toray Industries, Inc. Permselective polymeric membranes of organic polyamide or polyhydrazide
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
US4062921A (en) * 1976-02-19 1977-12-13 University Of Delaware Solvents for and purification of chitin
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
US4157960A (en) * 1977-11-30 1979-06-12 Monsanto Company Method for enhancing membrane separation
US4600692A (en) * 1983-02-10 1986-07-15 Purification Engineering, Inc. Immobilized cells for preparing phenylalanine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283042A (en) * 1963-08-23 1966-11-01 Univ California Method of forming porous membranes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283042A (en) * 1963-08-23 1966-11-01 Univ California Method of forming porous membranes

Also Published As

Publication number Publication date
NL6919081A (ja) 1970-07-02
CH512550A (de) 1971-09-15
SE354786B (ja) 1973-03-26
FR2027448A1 (ja) 1970-09-25
LU60122A1 (ja) 1971-08-17
IL33621A0 (en) 1970-02-19
GB1279719A (en) 1972-06-28
DE1817542A1 (de) 1970-07-09
US3703570A (en) 1972-11-21
BE743821A (ja) 1970-06-29
IL33621A (en) 1973-01-30

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