DE3173548D1 - Anisotropic membranes - Google Patents

Anisotropic membranes

Info

Publication number
DE3173548D1
DE3173548D1 DE8181301074T DE3173548T DE3173548D1 DE 3173548 D1 DE3173548 D1 DE 3173548D1 DE 8181301074 T DE8181301074 T DE 8181301074T DE 3173548 T DE3173548 T DE 3173548T DE 3173548 D1 DE3173548 D1 DE 3173548D1
Authority
DE
Germany
Prior art keywords
anisotropic membranes
anisotropic
membranes
Prior art date
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.)
Expired
Application number
DE8181301074T
Other languages
English (en)
Inventor
Wolfgang J Wrasidlo
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.)
Pall Filtration and Separations Group Inc
Original Assignee
Brunswick Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22445280&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3173548(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Brunswick Corp filed Critical Brunswick Corp
Application granted granted Critical
Publication of DE3173548D1 publication Critical patent/DE3173548D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B01D67/00111—Polymer pretreatment in the casting solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/081—Manufacturing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
  • Filtering Materials (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE8181301074T 1980-03-14 1981-03-13 Anisotropic membranes Expired DE3173548D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13056680A 1980-03-14 1980-03-14

Publications (1)

Publication Number Publication Date
DE3173548D1 true DE3173548D1 (en) 1986-03-06

Family

ID=22445280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181301074T Expired DE3173548D1 (en) 1980-03-14 1981-03-13 Anisotropic membranes

Country Status (5)

Country Link
EP (2) EP0144493B1 (de)
JP (2) JPS56154051A (de)
BR (1) BR8101508A (de)
CA (1) CA1202837A (de)
DE (1) DE3173548D1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900443A (en) * 1980-03-14 1990-02-13 Memtec North America Corporation Porous aramid membranes and emulsions useful for the casting thereof
CA1168006A (en) * 1980-04-08 1984-05-29 Wolfgang J. Wrasidlo Asymmetric membranes and process therefor
DE3279618D1 (en) * 1982-01-04 1989-05-24 Brunswick Corp Membrane systems for filtration
DE3220376A1 (de) * 1982-05-29 1983-12-01 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Membranfilter fuer mikrofiltration und verfahren zu seiner herstellung
JPS59115738A (ja) * 1982-12-21 1984-07-04 Sumitomo Electric Ind Ltd ガス選択透過性膜およびその製造方法
JPS59189903A (ja) * 1983-04-09 1984-10-27 Kanegafuchi Chem Ind Co Ltd 中空糸状フイルタ−およびその製法
US4532041A (en) * 1983-05-13 1985-07-30 Exxon Research And Engineering Co. Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations
DE3342824A1 (de) * 1983-11-26 1985-06-05 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Verfahren zum herstellen von filterelementen auf polysulfon-basis
JPS60222112A (ja) * 1984-04-20 1985-11-06 Kanegafuchi Chem Ind Co Ltd 中空糸状フィルターの製法
US4956289A (en) * 1987-03-16 1990-09-11 Brunswick Corporation Thin film membrane enzyme reactor and method of using same
DE3803341A1 (de) * 1988-02-04 1989-08-10 Sartorius Gmbh Fluidundurchlaessige stellen aufweisende poroese membranfilter und ihre verwendung
US4836927A (en) * 1988-03-28 1989-06-06 Exxon Research And Engineering Company Recovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane and method for producing said membrane
US4963303A (en) * 1989-02-16 1990-10-16 Exxon Research & Engineering Company Ultrafiltration polyimide membrane and its use for recovery of dewaxing aid
US4908134A (en) * 1989-02-16 1990-03-13 Exxon Research And Engineering Company Ultrafiltration polyamide membrane and its use for recovery of dewaxing aid (OP-3454)
JP2956129B2 (ja) * 1990-05-22 1999-10-04 東レ株式会社 微孔性フィルム
DE59208013D1 (de) * 1991-10-26 1997-03-20 Hoechst Ag Semipermeable, poröse, asymmetrische Polyetheramidmembranen
US5228994A (en) * 1992-10-13 1993-07-20 Millipore Corporation Composite microporous membranes
DE4339810C1 (de) * 1993-11-23 1994-12-08 Seitz Filter Werke Verfahren zur partiellen Modifizierung von porösen, hydrophilen Filtermembranen, nachbehandelte Filtermembranen und mit ihnen bestückte Filtrationsmodule, insbesondere Filterkerzen
US6277281B1 (en) * 1994-03-04 2001-08-21 Usf Filtration And Separations Group Inc. Large pore synthetic polymer membranes
CA2161338C (en) * 1994-03-04 2006-10-03 Jerome Ditter Large pore synthetic polymer membranes
DE19543055B4 (de) * 1995-03-03 2006-05-11 Memtec America Corp. Großporige synthetische Polymermembranen
DE19543955C2 (de) * 1995-11-25 1998-12-24 Sartorius Gmbh Auf Integrität testbare Filtrationseinheit mit hydrophilen, porösen Membranen
GR1002482B (el) * 1995-12-07 1996-12-03 Παρασκευη και δοκιμη πολυμερικων μεμβρανων απο μιγματα πολυσουλφονων και πολυιμιδιων για τον διαχωρισμο αεριων.
JP3664328B2 (ja) 1996-01-19 2005-06-22 富士写真フイルム株式会社 血漿または血清試料の調製方法
NL1004210C2 (nl) * 1996-10-07 1998-04-10 Prime Water Systems N V Waterfiltratie-inrichting.
WO1998021588A1 (en) * 1996-11-14 1998-05-22 Pall Corporation Membrane and methods of preparing and using same
JP3685283B2 (ja) * 1997-02-13 2005-08-17 富士写真フイルム株式会社 血漿採取具
US5886059A (en) * 1997-07-08 1999-03-23 Memtec America Corporation Highly asymmetric polyethersulfone filtration membranes
US5958989A (en) * 1997-07-08 1999-09-28 Usf Filtration And Separations Group, Inc. Highly asymmetric ultrafiltration membranes
DE102007029444A1 (de) 2007-06-22 2008-12-24 Goedel, Werner A., Dr. Poröse Membran mit asymmetrischer Struktur und das Verfahren zu ihrer Herstellung
US20140048486A1 (en) * 2012-08-16 2014-02-20 Pall Corporation Membrane with multiple size fibers

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1238180A (de) * 1967-09-21 1971-07-07
US3651030A (en) * 1968-07-05 1972-03-21 Amicon Corp Process for making a membrane
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3556992A (en) * 1969-07-22 1971-01-19 Amicon Corp Anisotropic ultrafiltration membrane having adhering coating and methods of forming and using this membrane
FR2082095A5 (de) * 1970-03-03 1971-12-10 Rhone Poulenc Sa
JPS5031901B2 (de) * 1971-08-30 1975-10-16
JPS5315104B2 (de) * 1971-10-13 1978-05-22
DE2165073A1 (de) * 1971-12-28 1973-07-12 Sartorius Membranfilter Gmbh Mehrschichten-filtermembrane, verfahren zu deren herstellung und deren verwendung
JPS567724B2 (de) * 1972-09-08 1981-02-19
FR2312278A2 (fr) * 1975-05-30 1976-12-24 Rhone Poulenc Ind Membranes
DK171108B1 (da) * 1976-08-30 1996-06-10 Akzo Nv Mikroporøst polymerlegeme samt dettes fremstilling og anvendelse
JPS5416378A (en) * 1977-07-08 1979-02-06 Asahi Chem Ind Co Ltd Polysulfone semipermeable membrane
FR2424940A1 (fr) * 1978-05-03 1979-11-30 Rhone Poulenc Ind Compositions polymeriques pour membranes
ZA792326B (en) * 1978-05-15 1980-06-25 Pall Corp Process for preparing polyamide membrane filter media and product
JPS5531474A (en) * 1978-08-29 1980-03-05 Nitto Electric Ind Co Ltd Selective permeable membrane
JPS5535169A (en) * 1978-09-06 1980-03-12 Hitachi Ltd Method of manufacturing multi-vane impeller

Also Published As

Publication number Publication date
JPH0143619B2 (de) 1989-09-21
JPS56154051A (en) 1981-11-28
EP0144493A2 (de) 1985-06-19
EP0036315A2 (de) 1981-09-23
CA1202837A (en) 1986-04-08
EP0036315B1 (de) 1986-01-22
EP0036315A3 (en) 1981-12-23
EP0144493A3 (en) 1986-03-12
JPH0515491B2 (de) 1993-03-01
JPH022844A (ja) 1990-01-08
BR8101508A (pt) 1981-09-15
EP0144493B1 (de) 1988-11-09

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: MEMTEC AMERICA CORP. (N.D.GES.D. STAATES DELAWARE)

8328 Change in the person/name/address of the agent

Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING. KLITZSCH, G., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8331 Complete revocation