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
Links
Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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)
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 (fr) | 1973-06-01 |
FR2156761B1 FR2156761B1 (fr) | 1977-01-14 |
Family
ID=26886091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7236749A Expired FR2156761B1 (fr) | 1971-10-18 | 1972-10-17 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3945926A (fr) |
FR (1) | FR2156761B1 (fr) |
Cited By (3)
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 (fr) * | 1980-07-25 | 1982-02-03 | Gambro Dialysatoren K.G. | Membrane pour plasmaphorèse et procédé pour sa fabrication |
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)
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 |
AU1147476A (en) * | 1975-03-19 | 1977-09-01 | Procter & Gamble | Controlled release article |
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 |
EP0048901B1 (fr) * | 1980-09-25 | 1985-07-31 | Terumo Corporation | Séparateur de plasma |
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 |
US6746482B2 (en) | 1994-10-17 | 2004-06-08 | Baxter International Inc. | Method for producing medical devices and devices so produced |
US5972217A (en) * | 1994-10-17 | 1999-10-26 | Baxter International Inc. | Blood cell separation devices having a membrane with particular coating |
US6045701A (en) * | 1994-10-17 | 2000-04-04 | Baxter International Inc. | Method of filtering a fluid suspension with a membrane having a 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 |
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)
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 |
-
1972
- 1972-10-02 US US05/293,943 patent/US3945926A/en not_active Expired - Lifetime
- 1972-10-17 FR FR7236749A patent/FR2156761B1/fr not_active Expired
Cited By (3)
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 (fr) * | 1980-07-25 | 1982-02-03 | Gambro Dialysatoren K.G. | Membrane pour plasmaphorèse et procédé pour sa fabrication |
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 (fr) | 1977-01-14 |
US3945926A (en) | 1976-03-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |