NL1000257C2 - Aramidevezel filtratievel. - Google Patents

Aramidevezel filtratievel. Download PDF

Info

Publication number: NL1000257C2
Authority: NL; Netherlands
Prior art keywords: sheet; aramid fiber; fiber filtration; filtration sheet; aramid
Prior art date: 1994-04-29

Application number

NL1000257A

Other languages

English (en)

Dutch (nl)

Other versions

NL1000257A1 (nl

Inventor

Peter John Degen

Warren Mason Foss

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.)

1994-04-29

Filing date

1995-04-28

Publication date

1997-05-30

1995-04-28 Application filed by Pall Corp filed Critical Pall Corp

1995-10-30 Publication of NL1000257A1 publication Critical patent/NL1000257A1/xx

1997-05-30 Application granted granted Critical

1997-05-30 Publication of NL1000257C2 publication Critical patent/NL1000257C2/nl

Links

238000001914 filtration Methods 0.000 title claims description 215
229920006231 aramid fiber Polymers 0.000 title claims description 201
239000004760 aramid Substances 0.000 claims description 65
238000004519 manufacturing process Methods 0.000 claims description 38
239000006185 dispersion Substances 0.000 claims description 32
238000000034 method Methods 0.000 claims description 32
239000007788 liquid Substances 0.000 claims description 23
230000009467 reduction Effects 0.000 claims description 21
239000011230 binding agent Substances 0.000 claims description 15
239000011347 resin Substances 0.000 claims description 15
229920005989 resin Polymers 0.000 claims description 15
241000894006 Bacteria Species 0.000 claims description 14
206010061592 cardiac fibrillation Diseases 0.000 claims description 11
230000002600 fibrillogenic effect Effects 0.000 claims description 11
241000589539 Brevundimonas diminuta Species 0.000 claims description 8
238000009792 diffusion process Methods 0.000 claims description 3
239000011148 porous material Substances 0.000 description 38
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
239000000835 fiber Substances 0.000 description 32
239000003365 glass fiber Substances 0.000 description 17
239000011152 fibreglass Substances 0.000 description 12
238000005259 measurement Methods 0.000 description 11
239000010410 layer Substances 0.000 description 10
239000000463 material Substances 0.000 description 9
239000011521 glass Substances 0.000 description 8
229920000561 Twaron Polymers 0.000 description 7
-1 polyethylene Polymers 0.000 description 7
238000012545 processing Methods 0.000 description 7
230000000704 physical effect Effects 0.000 description 6
229920000728 polyester Polymers 0.000 description 5
239000004762 twaron Substances 0.000 description 5
230000008901 benefit Effects 0.000 description 4
238000010276 construction Methods 0.000 description 4
239000000126 substance Substances 0.000 description 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
229920000271 Kevlar® Polymers 0.000 description 3
239000004698 Polyethylene Substances 0.000 description 3
239000004743 Polypropylene Substances 0.000 description 3
230000002411 adverse Effects 0.000 description 3
229920000573 polyethylene Polymers 0.000 description 3
229920001155 polypropylene Polymers 0.000 description 3
230000008569 process Effects 0.000 description 3
238000012360 testing method Methods 0.000 description 3
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
229920001410 Microfiber Polymers 0.000 description 2
239000004952 Polyamide Substances 0.000 description 2
241000589516 Pseudomonas Species 0.000 description 2
229920003235 aromatic polyamide Polymers 0.000 description 2
230000003542 behavioural effect Effects 0.000 description 2
238000009295 crossflow filtration Methods 0.000 description 2
239000003658 microfiber Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
239000013618 particulate matter Substances 0.000 description 2
229920002647 polyamide Polymers 0.000 description 2
229920005594 polymer fiber Polymers 0.000 description 2
KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 2
238000009736 wetting Methods 0.000 description 2
DTAFLBZLAZYRDX-UHFFFAOYSA-N OOOOOO Chemical compound OOOOOO DTAFLBZLAZYRDX-UHFFFAOYSA-N 0.000 description 1
239000002202 Polyethylene glycol Substances 0.000 description 1
125000003368 amide group Chemical group 0.000 description 1
230000000844 anti-bacterial effect Effects 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000002144 chemical decomposition reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000005489 elastic deformation Effects 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
239000004761 kevlar Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000000149 penetrating effect Effects 0.000 description 1
229920001748 polybutylene Polymers 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
230000010349 pulsation Effects 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
239000002356 single layer Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
- Y10T428/2969—Polyamide, polyimide or polyester

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Filtering Materials (AREA)
Paper (AREA)
Artificial Filaments (AREA)

NL1000257A 1994-04-29 1995-04-28 Aramidevezel filtratievel. NL1000257C2 (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US23651594		1994-04-29
US08/236,515 US5529844A (en)	1994-04-29	1994-04-29	Aramid fiber filtration sheet

Publications (2)

Publication Number	Publication Date
NL1000257A1 NL1000257A1 (nl)	1995-10-30
NL1000257C2 true NL1000257C2 (nl)	1997-05-30

Family

ID=22889841

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL1000257A NL1000257C2 (nl)	1994-04-29	1995-04-28	Aramidevezel filtratievel.

Country Status (9)

Country	Link
US (2)	US5529844A (fr)
JP (1)	JPH07299316A (fr)
CA (1)	CA2128593A1 (fr)
DE (1)	DE19515433A1 (fr)
FR (1)	FR2719237B1 (fr)
GB (1)	GB2288825B (fr)
IT (1)	IT1284392B1 (fr)
NL (1)	NL1000257C2 (fr)
TW (1)	TW376327B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1995003164A1 (fr) *	1993-07-21	1995-02-02	Unitika Ltd.	Tube poreux en plastique renforce par des fibres et procede de fabrication dudit tube
WO1996029146A1 (fr)	1995-03-22	1996-09-26	Minnesota Mining And Manufacturing Company	Membrane d'extraction de phase solide
US5709798A (en) *	1995-06-19	1998-01-20	Pall Corporation	Fibrous nonwoven web
US5782689A (en) *	1996-01-11	1998-07-21	Tomkins Industries Inc.	Fabric faced air distribution device
GB9716379D0 (en) *	1997-08-01	1997-10-08	Pall Corp	Filter assembly
WO2000020096A1 (fr)	1998-10-05	2000-04-13	Cuno Incorporated	Filtre et procede de filtrage d'un fluide
US20030006186A1 (en) *	1998-10-05	2003-01-09	Pulek John L.	Spiral wound depth filter
JP4520621B2 (ja) *	2000-11-01	2010-08-11	信和化工株式会社	クロマトグラフィー用分離カラム、固相抽出用媒体、及びクロマトグラフィーの試料注入システム
US20020142689A1 (en) *	2001-01-23	2002-10-03	Levit Mikhail R.	Non-woven sheet of aramid floc
WO2002061170A1 (fr) *	2001-01-31	2002-08-08	Pall Corporation	Systemes, procedes et dispositifs de purification
US20040224594A1 (en) *	2003-04-18	2004-11-11	Choi Wai Ming	Low density nonwoven glass fiber web
US8986432B2 (en)	2007-11-09	2015-03-24	Hollingsworth & Vose Company	Meltblown filter medium, related applications and uses
US7624879B2 (en) *	2007-12-10	2009-12-01	E. I. Du Pont De Nemours And Company	Micropulp for filters
ES2477219T3 (es) *	2009-02-17	2014-07-16	Essentra Porous Technologies Corp.	Estructuras de fibras de transmisión de fluidos, de múltiples capas, que contienen nanofibras y método de fabricación de tales estructuras
US8950587B2 (en)	2009-04-03	2015-02-10	Hollingsworth & Vose Company	Filter media suitable for hydraulic applications
US8394256B2 (en)	2009-10-13	2013-03-12	Exxonmobil Research And Engineering Company	Method for haze mitigation and filterability improvement for base stocks
TWI414345B (zh) *	2010-01-04	2013-11-11	Taiwan Textile Res Inst	含有奈米纖維之薄膜、複合薄膜、其製造方法及其用途
US8679218B2 (en)	2010-04-27	2014-03-25	Hollingsworth & Vose Company	Filter media with a multi-layer structure
US20120152821A1 (en) *	2010-12-17	2012-06-21	Hollingsworth & Vose Company	Fine fiber filter media and processes
EP2652189B1 (fr) *	2010-12-17	2018-02-14	Hollingsworth & Vose Company	Milieu filtrant à fibres fines et procédés correspondants
US10155186B2 (en)	2010-12-17	2018-12-18	Hollingsworth & Vose Company	Fine fiber filter media and processes
US9694306B2 (en)	2013-05-24	2017-07-04	Hollingsworth & Vose Company	Filter media including polymer compositions and blends
US11642652B2 (en)	2016-10-24	2023-05-09	Oji Holdings Corporation	Inorganic fiber sheet, honeycomb molded body and honeycomb filter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3756908A (en) *	1971-02-26	1973-09-04	Du Pont	Synthetic paper structures of aromatic polyamides
EP0083489A2 (fr) *	1982-01-04	1983-07-13	Brunswick Corporation	Systèmes de membrane pour filtration
EP0109169A2 (fr) *	1982-10-15	1984-05-23	Whatman Reeve Angel Plc	Papier-filtre
EP0402866A2 (fr) *	1989-06-14	1990-12-19	Daicel Chemical Industries, Ltd.	Matériau organique microfibrillé pour filtre
US5290446A (en) *	1992-06-10	1994-03-01	Pall Corporation	Helical wrapped filter element

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL246230A (fr) *	1958-12-09
US3242035A (en) *	1963-10-28	1966-03-22	Du Pont	Fibrillated product
DK170416B1 (da) *	1978-05-15	1995-08-28	Pall Corp	Mikroporøs, hydrofil, hindefri, alkoholuopløselig polyamidharpiksmembran, fremgangsmåde til dens fremstilling, anvendelse af membranen i filterelementer samt harpiksstøbeopløsning til brug ved fremgangsmåden
DE2907623A1 (de) *	1979-02-27	1980-09-04	Akzo Gmbh	Verfahren zur herstellung von fibrillierten faserstrukturen
US4523995A (en) *	1981-10-19	1985-06-18	Pall Corporation	Charge-modified microfiber filter sheets
US4650506A (en) *	1986-02-25	1987-03-17	Donaldson Company, Inc.	Multi-layered microfiltration medium
BR9006842A (pt) *	1989-06-28	1991-08-06	Michelin Rech Tech	Monofilamento aramida,processo para se obter pelo menos um monofilamento aramida,montagem e artigo
GB9019855D0 (en) *	1990-09-11	1990-10-24	Pall Corp	Depth filter media

1994
- 1994-04-29 US US08/236,515 patent/US5529844A/en not_active Expired - Lifetime
- 1994-07-21 CA CA002128593A patent/CA2128593A1/fr not_active Abandoned
- 1994-07-27 TW TW083106857A patent/TW376327B/zh not_active IP Right Cessation
1995
- 1995-04-12 GB GB9507631A patent/GB2288825B/en not_active Expired - Fee Related
- 1995-04-20 IT IT95TO000317A patent/IT1284392B1/it active IP Right Grant
- 1995-04-27 DE DE19515433A patent/DE19515433A1/de not_active Withdrawn
- 1995-04-28 JP JP7106282A patent/JPH07299316A/ja active Pending
- 1995-04-28 FR FR9505163A patent/FR2719237B1/fr not_active Expired - Fee Related
- 1995-04-28 NL NL1000257A patent/NL1000257C2/nl not_active IP Right Cessation
1996
- 1996-04-24 US US08/638,958 patent/US5702616A/en not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3756908A (en) *	1971-02-26	1973-09-04	Du Pont	Synthetic paper structures of aromatic polyamides
EP0083489A2 (fr) *	1982-01-04	1983-07-13	Brunswick Corporation	Systèmes de membrane pour filtration
EP0109169A2 (fr) *	1982-10-15	1984-05-23	Whatman Reeve Angel Plc	Papier-filtre
EP0402866A2 (fr) *	1989-06-14	1990-12-19	Daicel Chemical Industries, Ltd.	Matériau organique microfibrillé pour filtre
US5290446A (en) *	1992-06-10	1994-03-01	Pall Corporation	Helical wrapped filter element

Also Published As

Publication number	Publication date
TW376327B (en)	1999-12-11
US5702616A (en)	1997-12-30
US5529844A (en)	1996-06-25
JPH07299316A (ja)	1995-11-14
GB2288825A (en)	1995-11-01
DE19515433A1 (de)	1995-11-02
FR2719237A1 (fr)	1995-11-03
GB9507631D0 (en)	1995-05-31
GB2288825B (en)	1998-05-27
IT1284392B1 (it)	1998-05-18
ITTO950317A1 (it)	1996-10-20
CA2128593A1 (fr)	1995-10-30
ITTO950317A0 (it)	1995-04-20
FR2719237B1 (fr)	1998-02-06
NL1000257A1 (nl)	1995-10-30

Legal Events

Date	Code	Title	Description
1996-01-02	AD1A	A request for search or an international type search has been filed
1997-08-01	PD2B	A search report has been drawn up
2010-01-04	VD1	Lapsed due to non-payment of the annual fee	Effective date: 20091101

Publication	Publication Date	Title
NL1000257C2 (nl)	1997-05-30	Aramidevezel filtratievel.
EP0086365B1 (fr)	1986-08-27	Membrane de fibre creuse de type résine aromatique polysulfone et procédé de sa fabrication
JP6319773B2 (ja)	2018-05-09	超孔質ナノファイバマットおよびこれらの使用
JP6134345B2 (ja)	2017-05-24	レトロウイルス除去方法
US11890561B2 (en)	2024-02-06	Filter media having a fine pore size distribution
US20210093989A1 (en)	2021-04-01	Stable filter media including nanofibers
DE69602443T2 (de)	2000-01-05	Faserstoffbahn
EP0086235B1 (fr)	1986-04-30	Membrane de fil creux de resine de polysulfone aromatique et son procede de fabrication
EP2749588A1 (fr)	2014-07-02	Film poreux de polycétone
CN115379887B (zh)	2025-05-09	含有纳米纤维的可灭菌多孔过滤介质
Ramakrishna et al.	2011	Polymer membranes in biotechnology: preparation, functionalization and application
WO2022020549A1 (fr)	2022-01-27	Milieux filtrants comprenant une couche de fibres fines à base de polyéthersulfone
JP3250655B2 (ja)	2002-01-28	中空糸膜モジュール用ポッティング剤及び中空糸膜モジュール並びにその製造方法
US20250135762A1 (en)	2025-05-01	Methods of calendaring and/or laminating fiber webs
WO2025221997A1 (fr)	2025-10-23	Supports filtrants pour filtration d'eau
MX2011009216A (es)	2011-10-10	Material de fluoropolimero hidrofilico y metodo para hacer el mismo.