GB2285010B - Polyvinylidene fluoride membrane - Google Patents

Polyvinylidene fluoride membrane

Info

Publication number: GB2285010B
Authority: GB; United Kingdom
Prior art keywords: polyvinylidene fluoride; fluoride membrane; membrane; polyvinylidene; fluoride
Prior art date: 1993-12-22
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 - Lifetime

Application number

GB9424308A

Other versions

GB9424308D0 (en

GB2285010A (en

Inventor

Peter J Degen

Ioannis P Sipsas

Gregory C Rapisarda

Joseph A Gregg

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 Corp

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

1994-12-01

Publication date

1997-11-19

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

1994-12-01 Application filed by Pall Corp filed Critical Pall Corp

1995-01-18 Publication of GB9424308D0 publication Critical patent/GB9424308D0/en

1995-06-28 Publication of GB2285010A publication Critical patent/GB2285010A/en

1997-11-19 Application granted granted Critical

1997-11-19 Publication of GB2285010B publication Critical patent/GB2285010B/en

2014-12-01 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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)

GB9424308A 1993-12-22 1994-12-01 Polyvinylidene fluoride membrane Expired - Lifetime GB2285010B (en)

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
GB9424308D0 GB9424308D0 (en)	1995-01-18
GB2285010A GB2285010A (en)	1995-06-28
GB2285010B true GB2285010B (en)	1997-11-19

Family

ID=26869498

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9424308A Expired - Lifetime GB2285010B (en)	1993-12-22	1994-12-01	Polyvinylidene fluoride membrane

Country Status (11)

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

Families Citing this family (11)

* 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
US7140496B2 (en)	2001-08-01	2006-11-28	Asahi Kasei Medical Co., Ltd.	Multilayer microporous membrane
AU2003301399B2 (en)	2002-10-18	2006-07-06	Asahi Kasei Medical Co., Ltd.	Microporous hydrophilic membrane
BRPI0620837A2 (en) *	2005-12-30	2011-11-29	3M Innovative Properties Co	method of manufacturing functionalized substrates
ITMI20060601A1 (en)	2006-03-30	2007-09-30	Gvs Spa	PROCEDURE FOR THE PREPARATION OF MICROPOROSE MEMBRANES IN POLYVINYL DENFLUORIDE PVDF
JP5026888B2 (en) *	2007-08-14	2012-09-19	日東電工株式会社	Fluororesin molded body having hydrophilic polymer on surface and method for producing the same
AU2009293694A1 (en)	2008-09-19	2010-03-25	Toray Industries, Inc	Separation membrane, and method for producing same
FR3089226B1 (en) *	2018-11-30	2021-08-06	Arkema France	Process for preparing porous fluoropolymer films
CN114028956B (en) *	2021-11-18	2023-05-26	浙江机电职业技术学院	Reverse osmosis membrane and preparation method and application thereof
CN119425396B (en) *	2023-07-28	2025-10-24	中国科学院大连化学物理研究所	A positively charged heterogeneous membrane and its preparation and application

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0420765A2 (en) *	1989-09-28	1991-04-03	Terumo Kabushiki Kaisha	Blood plasma-separating membrane and blood plasma separator using the membrane
WO1993022034A1 (en) *	1992-05-06	1993-11-11	Costar Corporation	Polyvinylidene fluoride microporous membrane and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO153836C (en)	1978-05-15	1986-06-04	Pall Corp	HYDROFILE, ALCOHOLUALLY SOLUBLE POLYAMIDE MEMBRANES AND PROCEDURES FOR THEIR PREPARATION.
FR2600265B1 (en) *	1986-06-20	1991-09-06	Rhone Poulenc Rech	DRY AND HYDROPHILIC SEMI-PERMEABLE MEMBRANES BASED ON VINYLIDENE POLYFLUORIDE
US5019260A (en) *	1986-12-23	1991-05-28	Pall Corporation	Filtration media with low protein adsorbability
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

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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0420765A2 (en) *	1989-09-28	1991-04-03	Terumo Kabushiki Kaisha	Blood plasma-separating membrane and blood plasma separator using the membrane
WO1993022034A1 (en) *	1992-05-06	1993-11-11	Costar Corporation	Polyvinylidene fluoride microporous membrane and method

Also Published As

Publication number	Publication date
SE9404249L (en)	1995-06-23
GB9424308D0 (en)	1995-01-18
ITTO940998A0 (en)	1994-12-07
JPH07265674A (en)	1995-10-17
FR2713951A1 (en)	1995-06-23
DK144294A (en)	1995-06-23
DE4445973A1 (en)	1995-06-29
ES2109146B1 (en)	1998-08-16
NL9402134A (en)	1995-07-17
SE510792C2 (en)	1999-06-21
ITTO940998A1 (en)	1996-06-07
JP3443735B2 (en)	2003-09-08
JP3178772B2 (en)	2001-06-25
IT1267191B1 (en)	1997-01-28
GB2285010A (en)	1995-06-28
SE9404249D0 (en)	1994-12-07
CH688612A5 (en)	1997-12-15
FR2713951B1 (en)	1996-12-06
CA2138681A1 (en)	1995-06-23
ES2109146A1 (en)	1998-01-01
JP2001187325A (en)	2001-07-10
CA2138681C (en)	2001-08-14
DE4445973B4 (en)	2006-06-29

Publication	Publication Date	Title
AU7754994A (en)	1995-06-29	Polyvinylidene fluoride membrane
AU5897490A (en)	1991-01-17	Polyvinylidene fluoride membrane
AU6685694A (en)	1994-12-12	Electrochemical sensors
ZA948101B (en)	1996-04-15	Waterproofing membrane
SG47774A1 (en)	1998-04-17	Text-to-waveform conversion
IL108555A0 (en)	1994-05-30	Structural member
GB2280924B (en)	1997-02-26	Structural members
DE69326254D1 (en)	1999-10-07	Membrane
AU6871394A (en)	1995-02-09	Sailboat
GB2285010B (en)	1997-11-19	Polyvinylidene fluoride membrane
AU6482394A (en)	1995-02-23	Electrochemical sensor
GB2282162B (en)	1997-01-22	Structural members
AU1059692A (en)	1992-08-20	Membranes
IL104675A0 (en)	1993-06-10	Rudder
AU7000294A (en)	1995-01-17	Herbicidal thiadiazabicyclodecanes
GB9425295D0 (en)	1995-02-15	Structural member
GB2285261B (en)	1997-10-08	Enhancing membrane crystallinity
KR0114992Y1 (en)	1998-04-16	The stern
GB9307382D0 (en)	1993-06-02	Membrane device
GB9321066D0 (en)	1993-12-01	Teaching aid
AU682801B2 (en)	1997-10-16	Improved sensor membranes
AU1504597A (en)	1997-05-15	Electrochemical sensors
AU695472B2 (en)	1998-08-13	Structural elements
AU7004294A (en)	1995-01-17	Electrochemical processes
GB9314363D0 (en)	1993-08-25	Drawing aid

Legal Events

Date	Code	Title	Description
2014-12-24	PE20	Patent expired after termination of 20 years	Expiry date: 20141130