ZA908350B - Hardened gum formed-in-place membranes - Google Patents

Hardened gum formed-in-place membranes

Info

Publication number
ZA908350B
ZA908350B ZA908350A ZA908350A ZA908350B ZA 908350 B ZA908350 B ZA 908350B ZA 908350 A ZA908350 A ZA 908350A ZA 908350 A ZA908350 A ZA 908350A ZA 908350 B ZA908350 B ZA 908350B
Authority
ZA
South Africa
Prior art keywords
membranes
gum formed
place
place membranes
hardened gum
Prior art date
Application number
ZA908350A
Other languages
English (en)
Inventor
Steven Craig Brandon
Craig Brandon Steven
Harold Garth Spencer
Garth Spencer Harold
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of ZA908350B publication Critical patent/ZA908350B/xx

Links

Classifications

    • 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
    • B01D69/14—Dynamic membranes
    • 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
ZA908350A 1989-10-18 1990-10-18 Hardened gum formed-in-place membranes ZA908350B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/423,260 US5043069A (en) 1989-10-18 1989-10-18 Filtration device having hardened gum formed-in-place membranes

Publications (1)

Publication Number Publication Date
ZA908350B true ZA908350B (en) 1992-06-24

Family

ID=23678224

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA908350A ZA908350B (en) 1989-10-18 1990-10-18 Hardened gum formed-in-place membranes

Country Status (14)

Country Link
US (1) US5043069A (xx)
EP (1) EP0424118B1 (xx)
JP (1) JPH03188931A (xx)
AT (1) ATE143614T1 (xx)
AU (1) AU626043B2 (xx)
CA (1) CA2027901C (xx)
DE (1) DE69028754T2 (xx)
DK (1) DK0424118T3 (xx)
ES (1) ES2094144T3 (xx)
GR (1) GR3021730T3 (xx)
IL (1) IL96044A (xx)
NO (1) NO177088C (xx)
NZ (1) NZ235696A (xx)
ZA (1) ZA908350B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0751209B2 (ja) * 1991-06-06 1995-06-05 ベステクス株式会社 フィルタ材の製造方法
JPH06106012A (ja) * 1992-03-16 1994-04-19 Sumiaki Tsuru フィルタ材及びその製造方法
US5308494A (en) * 1993-03-24 1994-05-03 E. I. Du Pont De Nemours And Company Method for improving filter efficiency
US7612029B2 (en) * 2006-04-11 2009-11-03 The Clorox Company Controlled release using gels in a melamine foam

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1011853B (de) * 1956-05-04 1957-07-11 Dr Heinrich Thiele Verfahren zur Herstellung von Membranen mit runden, geraden und gleichfoermigen Kapillarroehren
NL288186A (xx) * 1964-01-23 1900-01-01
US3349079A (en) * 1964-04-06 1967-10-24 Kelco Co Gel forming alginate products and method of producing the same
DE1470890A1 (de) * 1964-06-05 1969-02-20 Sartorius Membranfilter Gmbh Verfahren zur Herstellung von Alginatmembranen
US3455701A (en) * 1966-04-04 1969-07-15 Kelco Co Algin gel compositions and method
US3565259A (en) * 1968-01-26 1971-02-23 Kalle Ag Process for the manufacture of porous membranes
US3577339A (en) * 1968-04-02 1971-05-04 Atomic Energy Commission Filtration method of separating liquids from extraneous materials
US4012324A (en) * 1971-07-27 1977-03-15 Harry P. Gregor Crosslinked, interpolymer fixed-charge membranes
US3926799A (en) * 1972-10-03 1975-12-16 Us Interior Support for dynamic membrane
US4186100A (en) * 1976-12-13 1980-01-29 Mott Lambert H Inertial filter of the porous metal type
CH645391A5 (de) * 1978-02-21 1984-09-28 Ciba Geigy Ag Polymere mit succinylobernsteinsaeureester-resten.
EP0146655B1 (en) * 1983-12-14 1989-08-02 The Dow Chemical Company A process for separating mixtures of water and an organic compoundand a water-selective permeation membrane
US4851120A (en) * 1984-04-23 1989-07-25 The Dow Chemical Company Anionic polysaccharide separation membranes
DE3600333C2 (de) * 1985-01-08 1996-03-28 Agency Ind Science Techn Membran für die Trennung von Flüssigkeiten durch Verdunstung
US4839203A (en) * 1985-04-03 1989-06-13 The Dow Chemical Company Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4716044A (en) * 1986-01-31 1987-12-29 Clemson University Process for obtaining juices from fruits containing same

Also Published As

Publication number Publication date
NO904497D0 (no) 1990-10-17
EP0424118A2 (en) 1991-04-24
CA2027901C (en) 2001-02-13
EP0424118A3 (en) 1991-07-03
CA2027901A1 (en) 1991-04-19
IL96044A0 (en) 1991-07-18
DE69028754D1 (de) 1996-11-07
JPH03188931A (ja) 1991-08-16
ES2094144T3 (es) 1997-01-16
GR3021730T3 (en) 1997-02-28
US5043069A (en) 1991-08-27
NZ235696A (en) 1991-11-26
AU6472990A (en) 1991-04-26
NO177088C (no) 1995-07-19
DK0424118T3 (da) 1997-02-17
ATE143614T1 (de) 1996-10-15
NO177088B (no) 1995-04-10
DE69028754T2 (de) 1997-03-13
AU626043B2 (en) 1992-07-23
NO904497L (no) 1991-04-19
JPH0577445B2 (xx) 1993-10-26
EP0424118B1 (en) 1996-10-02
IL96044A (en) 1995-05-26

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