CA1249110A - Tubes creux microporeux modifies par une charge - Google Patents

Tubes creux microporeux modifies par une charge

Info

Publication number
CA1249110A
CA1249110A CA000471039A CA471039A CA1249110A CA 1249110 A CA1249110 A CA 1249110A CA 000471039 A CA000471039 A CA 000471039A CA 471039 A CA471039 A CA 471039A CA 1249110 A CA1249110 A CA 1249110A
Authority
CA
Canada
Prior art keywords
membrane
hollow fiber
modifying agent
charge modifying
charge
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
CA000471039A
Other languages
English (en)
Inventor
Paul J. Marinaccio
Ronald V. Repetti
Joseph V. Fiore
Choakang Chu
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.)
3M Purification Inc
Original Assignee
Cuno 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 Cuno Inc filed Critical Cuno Inc
Application granted granted Critical
Publication of CA1249110A publication Critical patent/CA1249110A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0093Chemical modification
    • B01D67/00931Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0093Chemical modification
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/30Cross-linking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CA000471039A 1983-12-29 1984-12-27 Tubes creux microporeux modifies par une charge Expired CA1249110A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56676283A 1983-12-29 1983-12-29
US566,762 1983-12-29

Publications (1)

Publication Number Publication Date
CA1249110A true CA1249110A (fr) 1989-01-24

Family

ID=24264272

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000471039A Expired CA1249110A (fr) 1983-12-29 1984-12-27 Tubes creux microporeux modifies par une charge

Country Status (4)

Country Link
EP (1) EP0167573A4 (fr)
JP (1) JPS61500833A (fr)
CA (1) CA1249110A (fr)
WO (1) WO1985003012A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587070A (en) * 1990-11-06 1996-12-24 Pall Corporation System for processing biological fluid
US5601727A (en) * 1991-11-04 1997-02-11 Pall Corporation Device and method for separating plasma from a biological fluid

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531893A (en) * 1993-02-12 1996-07-02 Gelman Sciences Inc. Inter-penetrating network charge modified microporous membrane
EP1473075B1 (fr) * 1999-02-25 2015-07-29 Pall Corporation Membranes chargées négativement
US6783937B1 (en) 1999-02-25 2004-08-31 Pall Corporation Negatively charged membrane
US20150190760A1 (en) * 2014-01-06 2015-07-09 Pall Corporation Membrane with plurality of charges
EP3875168A1 (fr) * 2020-03-03 2021-09-08 Gambro Lundia AB Dispositif de diffusion et/ou filtration

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524546A (en) * 1967-10-11 1970-08-18 Du Pont Permeation separation with acidgrafted nylon membranes
US3808305A (en) * 1971-07-27 1974-04-30 H Gregor Crosslinked,interpolymer fixed-charge membranes
US4045352A (en) * 1973-05-23 1977-08-30 California Institute Of Technology Ion-exchange hollow fibers
DE2522821A1 (de) * 1975-05-23 1976-11-25 Battelle Institut E V Permselektive membran fuer kuenstliche nieren
US4250029A (en) * 1977-04-25 1981-02-10 Rohm And Haas Company Coated membranes
US4214020A (en) * 1977-11-17 1980-07-22 Monsanto Company Processes for coating bundles of hollow fiber membranes
WO1982001477A1 (fr) * 1980-10-27 1982-05-13 Inc Amf Membrane microporeuse a charge modifiee, procede de modification de la charge de cette membrane et procede de filtration d'un fluide
US4473474A (en) * 1980-10-27 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid
US4473475A (en) * 1981-05-29 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids
EP0082355B1 (fr) * 1981-12-21 1986-06-11 Aligena Ag Membranes semi-perméables de polystyrènes modifiés, procédé de leur fabrication et leur utilisation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587070A (en) * 1990-11-06 1996-12-24 Pall Corporation System for processing biological fluid
US5616254A (en) * 1990-11-06 1997-04-01 Pall Corporation System and method for processing biological fluid
US5601727A (en) * 1991-11-04 1997-02-11 Pall Corporation Device and method for separating plasma from a biological fluid

Also Published As

Publication number Publication date
WO1985003012A1 (fr) 1985-07-18
EP0167573A1 (fr) 1986-01-15
JPS61500833A (ja) 1986-05-01
EP0167573A4 (fr) 1988-05-02

Similar Documents

Publication Publication Date Title
US4888115A (en) Cross-flow filtration
CA1253305A (fr) Membrane microporeuse polymerique modifiee par une charge anionique en solution
US4915839A (en) Process for surface modifying a microporous membrane
US4673504A (en) Charge modified microporous membrane
US4708803A (en) Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
US4473474A (en) Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid
US4711793A (en) Process for charge modifying a microphorous membrane
AU652912B2 (en) Novel high flux hollow fiber membrane
KR100432463B1 (ko) 폴리술폰 중공사 반투막
US4720343A (en) Macroporous asymmetrical hydrophilic membrane made of a synthetic polymer
US5032282A (en) Solvent-stable semipermeable composite membranes
US5114585A (en) Charged porous filter
CA1156410A (fr) Membrane microporeuse modifiee par une charge; methode pour modifier ladite membrane a l'aide de cette charge; methode de filtration du fluide
CA2095423A1 (fr) Methode hautement efficiente d'extraction du ldl-cholesterol du sang
US4980067A (en) Polyionene-transformed microporous membrane
JP2003532746A (ja) 負電荷を持つ膜
CA1249110A (fr) Tubes creux microporeux modifies par une charge
US6632361B2 (en) Shaped objects for pyrogen retention and processes for their manufacture
CA1107467A (fr) Membranes de polycarbonates utilisees en hemodialyse
US6214382B1 (en) Hydrophilic film and process for producing the same
US4921654A (en) Low protein binding membrane
CA1282565C (fr) Methode pour modifier la surface d'une membrane microporeuse
CA1313734C (fr) Coussinet feutre a base de fibres de cellulose et d'une membrane organique microporeuse
JP2003126664A (ja) 半透膜の製造方法およびその半透膜を用いた透析器
JP3489372B2 (ja) 選択透過性分離膜

Legal Events

Date Code Title Description
MKEX Expiry