USB276993I5 - - Google Patents

Info

Publication number
USB276993I5
USB276993I5 US27699372A USB276993I5 US B276993 I5 USB276993 I5 US B276993I5 US 27699372 A US27699372 A US 27699372A US B276993 I5 USB276993 I5 US B276993I5
Authority
US
United States
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
Other languages
English (en)
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
Priority to US05/276,993 priority Critical patent/US3948823A/en
Priority to CA177,713A priority patent/CA1000441A/en
Publication of USB276993I5 publication Critical patent/USB276993I5/en
Application granted granted Critical
Publication of US3948823A publication Critical patent/US3948823A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C08L63/04—Epoxynovolacs
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers

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)
US05/276,993 1972-08-01 1972-08-01 Method of making permselective interpolymer membranes Expired - Lifetime US3948823A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US05/276,993 US3948823A (en) 1972-08-01 1972-08-01 Method of making permselective interpolymer membranes
CA177,713A CA1000441A (en) 1972-08-01 1973-07-31 Permselective interpolymer membranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/276,993 US3948823A (en) 1972-08-01 1972-08-01 Method of making permselective interpolymer membranes

Publications (2)

Publication Number Publication Date
USB276993I5 true USB276993I5 (de) 1975-01-28
US3948823A US3948823A (en) 1976-04-06

Family

ID=23058990

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/276,993 Expired - Lifetime US3948823A (en) 1972-08-01 1972-08-01 Method of making permselective interpolymer membranes

Country Status (2)

Country Link
US (1) US3948823A (de)
CA (1) CA1000441A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012557A1 (de) * 1978-12-06 1980-06-25 Abcor, Inc. Hydrophile Polymer-Membranen, Verfahren zu ihrer Herstellung, ihre Anwendung als Ultrafiltrationsmembranen und Membranenvorläufer, die sich zur Überführung in derartige Membranen eignen
EP0135514A1 (de) * 1983-02-02 1985-04-03 Memtec Ltd Vernetzte poröse membranen.
EP0261734A1 (de) * 1986-09-23 1988-03-30 X-Flow B.V. Verfahren zur Herstellung von hydrophilen Membranen und solche Membranen
EP0288380A1 (de) * 1987-04-23 1988-10-26 Commissariat A L'energie Atomique Semipermeable, organo-mineralische Membran und Verfahren zu deren Herstellung

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543367B2 (de) * 1975-01-08 1980-11-06
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
US4384047A (en) * 1980-03-28 1983-05-17 Pennwalt Corporation Porous vinylidene fluoride polymer membrane and process for its preparation
US4659475A (en) * 1984-03-19 1987-04-21 Midwest Research Institute Composite reverse osmosis membrane comprising crosslinked poly(amine-epihalohydrin adduct)
JPS60233541A (ja) * 1984-03-23 1985-11-20 Horiba Ltd 塩化物イオン選択性電極用応答膜の製造方法
JPS60232085A (ja) * 1984-04-28 1985-11-18 Kanegafuchi Chem Ind Co Ltd 無菌的濾過方法
US4906375A (en) * 1984-07-14 1990-03-06 Fresenius, Ag Asymmetrical microporous hollow fiber for hemodialysis
US4772394A (en) * 1984-12-26 1988-09-20 Uop Inc. Chlorine-resistant semipermeable membranes
AU608315B2 (en) * 1987-01-28 1991-03-28 Membrex, Inc. Hydrophilic article and method of producing same
US4906379A (en) * 1987-01-28 1990-03-06 Membrex, Inc. Hydrophilic article and method of producing same
US5000848A (en) * 1987-01-28 1991-03-19 Membrex, Inc. Rotary filtration device with hyperphilic membrane
US4769148A (en) * 1987-11-18 1988-09-06 The Dow Chemical Company Novel polyamide reverse osmosis membranes
US4859384A (en) * 1987-11-18 1989-08-22 Filmtec Corp. Novel polyamide reverse osmosis membranes
US5079272A (en) * 1989-11-30 1992-01-07 Millipore Corporation Porous membrane formed from interpenetrating polymer network having hydrophilic surface
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
EP0569263B1 (de) * 1992-04-06 1997-07-02 Terumo Kabushiki Kaisha Ballonkatheter
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
US5900479A (en) * 1995-05-05 1999-05-04 Virginia Tech Intellectual Properties, Inc. Chitin-based coatings
US5874551A (en) * 1996-05-29 1999-02-23 Center For Innovative Technology Method of making ester-crosslinked chitosan support materials and products thereof
US7229665B2 (en) * 2001-05-22 2007-06-12 Millipore Corporation Process of forming multilayered structures
US7942274B2 (en) * 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
AU8315701A (en) * 2000-08-07 2002-02-18 Cuno Inc Unsupported multizone microporous membrane
US6994789B2 (en) * 2000-08-07 2006-02-07 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
WO2011028541A2 (en) * 2009-08-24 2011-03-10 Oasys Water, Inc. Forward osmosis membranes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719640A (en) * 1971-07-21 1973-03-06 Allied Chem Poly(amide-imide)polymers having recurring diketopiperazine groups
US3728348A (en) * 1970-05-21 1973-04-17 Allied Chem Dicarboxylic acids containing diketopiperazine groups and polymers prepared therefrom

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728348A (en) * 1970-05-21 1973-04-17 Allied Chem Dicarboxylic acids containing diketopiperazine groups and polymers prepared therefrom
US3719640A (en) * 1971-07-21 1973-03-06 Allied Chem Poly(amide-imide)polymers having recurring diketopiperazine groups

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012557A1 (de) * 1978-12-06 1980-06-25 Abcor, Inc. Hydrophile Polymer-Membranen, Verfahren zu ihrer Herstellung, ihre Anwendung als Ultrafiltrationsmembranen und Membranenvorläufer, die sich zur Überführung in derartige Membranen eignen
EP0012557B1 (de) * 1978-12-06 1983-02-16 Abcor, Inc. Hydrophile Polymer-Membranen, Verfahren zu ihrer Herstellung, ihre Anwendung als Ultrafiltrationsmembranen und Membranenvorläufer, die sich zur Überführung in derartige Membranen eignen
EP0135514A1 (de) * 1983-02-02 1985-04-03 Memtec Ltd Vernetzte poröse membranen.
EP0135514A4 (de) * 1983-02-02 1987-01-20 Memtec Ltd Vernetzte poröse membranen.
EP0261734A1 (de) * 1986-09-23 1988-03-30 X-Flow B.V. Verfahren zur Herstellung von hydrophilen Membranen und solche Membranen
USRE34296E (en) * 1986-09-23 1993-06-29 X-Flow B.V. Process for the preparation of hydrophilic membranes and such membranes
EP0288380A1 (de) * 1987-04-23 1988-10-26 Commissariat A L'energie Atomique Semipermeable, organo-mineralische Membran und Verfahren zu deren Herstellung
FR2614214A1 (fr) * 1987-04-23 1988-10-28 Commissariat Energie Atomique Membrane semi-permeable organominerale et son procede de fabrication.
US4861480A (en) * 1987-04-23 1989-08-29 Commissariat A L'energie Atomique Organomineral semipermeable membrane and its production process

Also Published As

Publication number Publication date
US3948823A (en) 1976-04-06
CA1000441A (en) 1976-11-23

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