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
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 (en) 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 (en)
CA (1) CA1000441A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012557A1 (en) * 1978-12-06 1980-06-25 Abcor, Inc. Hydrophilic polymeric membranes, process for their preparation, their use as ultrafiltration membranes, and precursor membranes adapted to be converted thereto
EP0135514A1 (en) * 1983-02-02 1985-04-03 Memtec Ltd Cross linked porous membranes.
EP0261734A1 (en) * 1986-09-23 1988-03-30 X-Flow B.V. A process for the preparation of hydrophilic membranes and such membranes
EP0288380A1 (en) * 1987-04-23 1988-10-26 Commissariat A L'energie Atomique Semi-permeable organo-mineral membrane, and processes for its preparation

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543367B2 (en) * 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 (en) * 1984-03-23 1985-11-20 Horiba Ltd Production of response membrane for chloride ion selective electrode
JPS60232085A (en) * 1984-04-28 1985-11-18 Kanegafuchi Chem Ind Co Ltd Method for germ-free filtration
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
US4906379A (en) * 1987-01-28 1990-03-06 Membrex, Inc. Hydrophilic article and method of producing same
CA1302677C (en) * 1987-01-28 1992-06-09 Leonard T. Hodgins 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 (en) * 1992-04-06 1997-07-02 Terumo Kabushiki Kaisha Balloon catheter
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
US7942274B2 (en) * 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
US7229665B2 (en) * 2001-05-22 2007-06-12 Millipore Corporation Process of forming multilayered structures
US6994789B2 (en) * 2000-08-07 2006-02-07 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
JP2005506168A (en) * 2000-08-07 2005-03-03 キュノ、インコーポレーテッド Multi-zone unsupported microporous thin film
SG10201403279SA (en) * 2009-08-24 2014-10-30 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 (en) * 1978-12-06 1980-06-25 Abcor, Inc. Hydrophilic polymeric membranes, process for their preparation, their use as ultrafiltration membranes, and precursor membranes adapted to be converted thereto
EP0012557B1 (en) * 1978-12-06 1983-02-16 Abcor, Inc. Hydrophilic polymeric membranes, process for their preparation, their use as ultrafiltration membranes, and precursor membranes adapted to be converted thereto
EP0135514A1 (en) * 1983-02-02 1985-04-03 Memtec Ltd Cross linked porous membranes.
EP0135514A4 (en) * 1983-02-02 1987-01-20 Memtec Ltd Cross linked porous membranes.
EP0261734A1 (en) * 1986-09-23 1988-03-30 X-Flow B.V. A process for the preparation of hydrophilic membranes and such membranes
USRE34296E (en) * 1986-09-23 1993-06-29 X-Flow B.V. Process for the preparation of hydrophilic membranes and such membranes
EP0288380A1 (en) * 1987-04-23 1988-10-26 Commissariat A L'energie Atomique Semi-permeable organo-mineral membrane, and processes for its preparation
FR2614214A1 (en) * 1987-04-23 1988-10-28 Commissariat Energie Atomique ORGANOMINERAL SEMI-PERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME
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
CA1000441A (en) 1976-11-23
US3948823A (en) 1976-04-06

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