FR2156761A1 - - Google Patents

Info

Publication number
FR2156761A1
FR2156761A1 FR7236749A FR7236749A FR2156761A1 FR 2156761 A1 FR2156761 A1 FR 2156761A1 FR 7236749 A FR7236749 A FR 7236749A FR 7236749 A FR7236749 A FR 7236749A FR 2156761 A1 FR2156761 A1 FR 2156761A1
Authority
FR
France
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.)
Granted
Application number
FR7236749A
Other languages
French (fr)
Other versions
FR2156761B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemical Systems Inc
Chem Systems Inc
Original Assignee
Chemical Systems Inc
Chem Systems 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 Chemical Systems Inc, Chem Systems Inc filed Critical Chemical Systems Inc
Publication of FR2156761A1 publication Critical patent/FR2156761A1/fr
Application granted granted Critical
Publication of FR2156761B1 publication Critical patent/FR2156761B1/fr
Expired 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
    • B01D71/50—Polycarbonates
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/18—Block or graft polymers
    • C08G64/183—Block or graft polymers containing polyether sequences
    • 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
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR7236749A 1971-10-18 1972-10-17 Expired FR2156761B1 (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19041571A 1971-10-18 1971-10-18
US05/293,943 US3945926A (en) 1971-10-18 1972-10-02 Integral microporous high void volume polycarbonate membranes and a dry process for forming same

Publications (2)

Publication Number Publication Date
FR2156761A1 true FR2156761A1 (enExample) 1973-06-01
FR2156761B1 FR2156761B1 (enExample) 1977-01-14

Family

ID=26886091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7236749A Expired FR2156761B1 (enExample) 1971-10-18 1972-10-17

Country Status (2)

Country Link
US (1) US3945926A (enExample)
FR (1) FR2156761B1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502865A (nl) * 1974-03-26 1975-09-30 Nat Inst Of Scient Research Polycarbonaatmembranen en het vervaardigen daarvan.
EP0044958A1 (en) * 1980-07-25 1982-02-03 Gambro Dialysatoren K.G. Plasmapheresis membrane and process for the preparation thereof
FR2539048A1 (fr) * 1983-01-11 1984-07-13 Diffusion Materiels Fluides Systeme de filtre pour eau potable a utilisation intermittente adapte notamment sur un reservoir transportable

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048271A (en) * 1972-10-02 1977-09-13 Chemical Systems, Inc. Dry process for forming polycarbonate membranes
ZA761193B (en) * 1975-03-19 1977-02-23 Procter & Gamble Controlled release articles
US4069151A (en) * 1976-03-31 1978-01-17 C. R. Bard, Inc. Thin polycarbonate membranes for use in hemodialysis
DK171108B1 (da) * 1976-08-30 1996-06-10 Akzo Nv Mikroporøst polymerlegeme samt dettes fremstilling og anvendelse
US4159251A (en) * 1976-09-29 1979-06-26 Pharmaco, Inc. Ultrafiltration membranes based on heteroaromatic polymers
US4066556A (en) * 1976-10-28 1978-01-03 Johnson & Johnson Fluid filter and method of making same
US4219517A (en) * 1978-10-12 1980-08-26 Puropore Inc. Process for spinning dense hollow fiber cellulosic membrane
DE3171592D1 (en) * 1980-09-25 1985-09-05 Terumo Corp Plasma separator
US4715960A (en) * 1983-03-10 1987-12-29 Exxon Research And Engineering Company Method for the modification of polycarbonate membranes, the membranes produced by such method and their use
US4652283A (en) * 1983-06-30 1987-03-24 Monsanto Company Polyphenylene oxide membrane having chemically bonded coating
DE3408804A1 (de) * 1983-09-30 1985-04-18 Bayer Ag, 5090 Leverkusen Polyether-copolycarbonate fuer dialysemembranen
US4659470A (en) * 1985-07-10 1987-04-21 The United States Of America As Represented By The United States Department Of Energy Thermal casting process for the preparation of anisotropic membranes and the resultant membrane
US4818254A (en) * 1986-04-14 1989-04-04 The Dow Chemical Company Semi-permeable membranes consisting predominantly of polycarbonates derived from tetrahalobisphenols
US4840646A (en) * 1986-04-28 1989-06-20 The Dow Chemical Company Tetrabromo bisphenol based polyestercarbonate membranes and method of using
US4962131A (en) * 1987-11-06 1990-10-09 The Dow Chemical Company Composition useful in process for preparing powadir membranes from tetrahalobisphenol a polycarbonates
US4772392A (en) * 1987-11-06 1988-09-20 The Dow Chemical Company Process for preparing POWADIR membranes from tetrahalobisphenol A polycarbonates
US4859384A (en) * 1987-11-18 1989-08-22 Filmtec Corp. Novel polyamide reverse osmosis membranes
US4874401A (en) * 1987-11-20 1989-10-17 The Dow Chemical Company Gas separation membranes from bisphenol AF polycarbonates and polyestercarbonates
US4851014A (en) * 1988-07-01 1989-07-25 The Dow Chemical Company Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol F
US4975228A (en) * 1988-07-29 1990-12-04 The Dow Chemical Company Process for preparing membranes from tetrahalobisphenol polycarbonates
US4902422A (en) * 1988-12-06 1990-02-20 Board Regents The University Of Texas System Defect-free ultrahigh flux asymmetric membranes
US5000763A (en) * 1989-06-14 1991-03-19 The Dow Chemical Company Process for separating hydrogen from gas mixtures using a semi-permeable membrane consisting predominantly of polycarbonates derived from tetrahalobisphenols
US4959082A (en) * 1989-07-20 1990-09-25 The Dow Chemical Company Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same
DE4103680A1 (de) * 1991-02-07 1992-08-13 Agfa Gevaert Ag Farbakzeptorelement fuer das thermosublimationsdruckverfahren
US5141530A (en) * 1991-08-22 1992-08-25 The Dow Chemical Company Polycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the same
US5163977A (en) * 1991-08-22 1992-11-17 The Dow Chemical Company Semi-permeable gas separation membranes containing non-ionic surfactants possessing improved resistance to thermal compaction and processes for making and using the same
US5972217A (en) * 1994-10-17 1999-10-26 Baxter International Inc. Blood cell separation devices having a membrane with particular coating
US5647985A (en) * 1994-10-17 1997-07-15 Baxter International Inc. Whole blood leukodepletion and platelet filter
US6306454B1 (en) 1994-10-17 2001-10-23 Baxter International Inc. Method for producing improved medical devices and devices so produced
US6746482B2 (en) 1994-10-17 2004-06-08 Baxter International Inc. Method for producing medical devices and devices so produced
US6045701A (en) * 1994-10-17 2000-04-04 Baxter International Inc. Method of filtering a fluid suspension with a membrane having a particular coating
US6391418B1 (en) * 1998-12-24 2002-05-21 Mitsubishi Engineering-Plastics Corp. Substrate for information recording media
US6479007B1 (en) 1999-09-16 2002-11-12 University Technology Corporation Apparatus and method for controlling pore size in polymeric membranes and thin films
DE102006045282C5 (de) * 2006-09-22 2012-11-22 Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH Isoporöse Membran und Verfahren zu ihrer Herstellung
ITTO20130284A1 (it) * 2013-04-09 2014-10-10 Fond Istituto Italiano Di Tecnologia Procedimento per la produzione di microparticelle polimeriche sagomate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3812224A (en) * 1969-05-05 1974-05-21 Polysar Ltd Process for the production of porous polymeric materials
US3709774A (en) * 1970-05-13 1973-01-09 Gen Electric Preparation of asymmetric polymer membranes
US3653180A (en) * 1970-11-02 1972-04-04 Gen Electric Block copolymer membrane for separating polar contaminants from gaseous mixtures

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502865A (nl) * 1974-03-26 1975-09-30 Nat Inst Of Scient Research Polycarbonaatmembranen en het vervaardigen daarvan.
EP0044958A1 (en) * 1980-07-25 1982-02-03 Gambro Dialysatoren K.G. Plasmapheresis membrane and process for the preparation thereof
FR2539048A1 (fr) * 1983-01-11 1984-07-13 Diffusion Materiels Fluides Systeme de filtre pour eau potable a utilisation intermittente adapte notamment sur un reservoir transportable

Also Published As

Publication number Publication date
FR2156761B1 (enExample) 1977-01-14
US3945926A (en) 1976-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse