SE9404249D0 - Polyvinylidene fluoride membrane - Google Patents

Polyvinylidene fluoride membrane

Info

Publication number: SE9404249D0
Authority: SE; Sweden
Prior art keywords: membrane; polyvinylidene fluoride; casting solution; present; porous
Prior art date: 1993-12-22

Application number

SE9404249A

Other languages

English (en)

Other versions

SE9404249L (sv

SE510792C2 (sv

Inventor

Peter J Degen

Ioannis P Sipsas

Gregory C Rapisarda

Joseph Gregg

Original Assignee

Pall 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.)

1993-12-22

Filing date

1994-12-07

Publication date

1994-12-07

1994-10-24 Priority claimed from US08/327,622 external-priority patent/US5736051A/en

1994-12-07 Application filed by Pall Corp filed Critical Pall Corp

1994-12-07 Publication of SE9404249D0 publication Critical patent/SE9404249D0/sv

1995-06-23 Publication of SE9404249L publication Critical patent/SE9404249L/sv

1999-06-21 Publication of SE510792C2 publication Critical patent/SE510792C2/sv

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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
- 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
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
- 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
- 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
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/38—Graft polymerization
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/18—Membrane materials having mixed charged functional groups

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Inorganic Chemistry (AREA)
Health & Medical Sciences (AREA)
Transplantation (AREA)
Dispersion Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
External Artificial Organs (AREA)
Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Treatments Of Macromolecular Shaped Articles (AREA)
Graft Or Block Polymers (AREA)
Manufacture Of Macromolecular Shaped Articles (AREA)

SE9404249A 1993-12-22 1994-12-07 Polyvinylidenflouridmembran SE510792C2 (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US17375593A	1993-12-22	1993-12-22
US08/327,622 US5736051A (en)	1993-12-22	1994-10-24	Polyvinylidene fluoride membrane and method for removing viruses from solutions

Publications (3)

Publication Number	Publication Date
SE9404249D0 true SE9404249D0 (sv)	1994-12-07
SE9404249L SE9404249L (sv)	1995-06-23
SE510792C2 SE510792C2 (sv)	1999-06-21

Family

ID=26869498

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9404249A SE510792C2 (sv)	1993-12-22	1994-12-07	Polyvinylidenflouridmembran

Country Status (11)

Country	Link
JP (2)	JP3178772B2 (sv)
CA (1)	CA2138681C (sv)
CH (1)	CH688612A5 (sv)
DE (1)	DE4445973B4 (sv)
DK (1)	DK144294A (sv)
ES (1)	ES2109146B1 (sv)
FR (1)	FR2713951B1 (sv)
GB (1)	GB2285010B (sv)
IT (1)	IT1267191B1 (sv)
NL (1)	NL9402134A (sv)
SE (1)	SE510792C2 (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU738323B2 (en) *	1998-03-16	2001-09-13	Asahi Kasei Kabushiki Kaisha	Microporous membrane
TW581709B (en)	1999-10-22	2004-04-01	Asahi Kasei Corp	Heat-resistant microporous film
WO2003026779A1 (fr)	2001-08-01	2003-04-03	Asahi Kasei Kabushiki Kaisha	Film microporeux multicouches
CN1705505B (zh)	2002-10-18	2010-04-28	旭化成医疗株式会社	亲水微孔膜
US7553417B2 (en) *	2005-12-30	2009-06-30	3M Innovative Properties Company	Functionalized substrates
ITMI20060601A1 (it)	2006-03-30	2007-09-30	Gvs Spa	Procedimento per la preparazione di membrane microporose in polivinilidenfluoruro pvdf
JP5026888B2 (ja) *	2007-08-14	2012-09-19	日東電工株式会社	表面に親水性ポリマーを有するフッ素樹脂成形体およびその製造方法
EP2332639A1 (en)	2008-09-19	2011-06-15	Toray Industries, Inc.	Separation membrane, and method for producing same
FR3089226B1 (fr) *	2018-11-30	2021-08-06	Arkema France	Procédé de préparation de films de polymère fluoré poreux
CN114028956B (zh) *	2021-11-18	2023-05-26	浙江机电职业技术学院	反渗透膜及其制备方法和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2600265B1 (fr) *	1986-06-20	1991-09-06	Rhone Poulenc Rech	Membranes semi-permeables sechables et hydrophiles a base de polyfluorure de vinylidene
US5019260A (en) *	1986-12-23	1991-05-28	Pall Corporation	Filtration media with low protein adsorbability
JP2898665B2 (ja) *	1989-09-28	1999-06-02	テルモ株式会社	血漿分離膜およびそれを用いた血漿分離器
US5079272A (en) *	1989-11-30	1992-01-07	Millipore Corporation	Porous membrane formed from interpenetrating polymer network having hydrophilic surface
US5198505A (en) *	1991-04-11	1993-03-30	Pall Corporation	Uniform polyvinylidene difluoride membranes
EP0639106B1 (en) *	1992-05-06	1998-12-23	Costar Corporation	Method for the preparation of a polyvinylidene fluoride microporous membrane

1994
- 1994-12-01 GB GB9424308A patent/GB2285010B/en not_active Expired - Lifetime
- 1994-12-07 IT IT94TO000998A patent/IT1267191B1/it active IP Right Grant
- 1994-12-07 SE SE9404249A patent/SE510792C2/sv not_active IP Right Cessation
- 1994-12-13 ES ES09402529A patent/ES2109146B1/es not_active Expired - Fee Related
- 1994-12-15 NL NL9402134A patent/NL9402134A/nl active Search and Examination
- 1994-12-19 DK DK144294A patent/DK144294A/da not_active Application Discontinuation
- 1994-12-20 FR FR9415340A patent/FR2713951B1/fr not_active Expired - Lifetime
- 1994-12-21 CH CH03856/94A patent/CH688612A5/fr not_active IP Right Cessation
- 1994-12-21 CA CA002138681A patent/CA2138681C/en not_active Expired - Lifetime
- 1994-12-22 DE DE4445973A patent/DE4445973B4/de not_active Expired - Lifetime
- 1994-12-22 JP JP33615794A patent/JP3178772B2/ja not_active Expired - Lifetime
2000
- 2000-10-24 JP JP2000324381A patent/JP3443735B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE4445973B4 (de)	2006-06-29
DE4445973A1 (de)	1995-06-29
JPH07265674A (ja)	1995-10-17
JP2001187325A (ja)	2001-07-10
GB2285010B (en)	1997-11-19
CA2138681A1 (en)	1995-06-23
SE9404249L (sv)	1995-06-23
NL9402134A (nl)	1995-07-17
IT1267191B1 (it)	1997-01-28
DK144294A (da)	1995-06-23
SE510792C2 (sv)	1999-06-21
GB9424308D0 (en)	1995-01-18
CA2138681C (en)	2001-08-14
FR2713951B1 (fr)	1996-12-06
GB2285010A (en)	1995-06-28
JP3443735B2 (ja)	2003-09-08
ES2109146B1 (es)	1998-08-16
ITTO940998A1 (it)	1996-06-07
ES2109146A1 (es)	1998-01-01
JP3178772B2 (ja)	2001-06-25
CH688612A5 (fr)	1997-12-15
ITTO940998A0 (it)	1994-12-07
FR2713951A1 (fr)	1995-06-23

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Legal Events

Date	Code	Title	Description
2005-08-02	NUG	Patent has lapsed