FI119280B - Suodatin ja uudet menetelmät - Google Patents
Suodatin ja uudet menetelmät Download PDFInfo
- Publication number
- FI119280B FI119280B FI20065338A FI20065338A FI119280B FI 119280 B FI119280 B FI 119280B FI 20065338 A FI20065338 A FI 20065338A FI 20065338 A FI20065338 A FI 20065338A FI 119280 B FI119280 B FI 119280B
- Authority
- FI
- Finland
- Prior art keywords
- layer
- filter
- conductor
- porous
- fiber
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 36
- 239000000835 fiber Substances 0.000 claims description 71
- 239000000463 material Substances 0.000 claims description 59
- 239000004020 conductor Substances 0.000 claims description 52
- 239000000123 paper Substances 0.000 claims description 38
- 238000001914 filtration Methods 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 31
- 239000011159 matrix material Substances 0.000 claims description 30
- 229920001940 conductive polymer Polymers 0.000 claims description 19
- 230000005684 electric field Effects 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 19
- 239000011810 insulating material Substances 0.000 claims description 17
- 239000002657 fibrous material Substances 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 13
- 230000035699 permeability Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229920000767 polyaniline Polymers 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000002322 conducting polymer Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- -1 polyparaphenylene Polymers 0.000 claims description 4
- 229920001197 polyacetylene Polymers 0.000 claims description 3
- 229920000128 polypyrrole Polymers 0.000 claims description 3
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 9
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims 2
- 241001354243 Corona Species 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 claims 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000003475 lamination Methods 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 239000010410 layer Substances 0.000 description 114
- 229920000642 polymer Polymers 0.000 description 12
- 230000008901 benefit Effects 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- JXTHNDFMNIQAHM-UHFFFAOYSA-N dichloroacetic acid Chemical compound OC(=O)C(Cl)Cl JXTHNDFMNIQAHM-UHFFFAOYSA-N 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910004039 HBF4 Inorganic materials 0.000 description 1
- 229910004713 HPF6 Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000004621 biodegradable polymer Substances 0.000 description 1
- 229920002988 biodegradable polymer Polymers 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 229960005215 dichloroacetic acid Drugs 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 229920000775 emeraldine polymer Polymers 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 239000002759 woven fabric 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
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/50—Means for discharging electrostatic potential
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/09—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/60—Use of special materials other than liquids
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/05—Methods of making filter
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20065338A FI119280B (fi) | 2006-05-18 | 2006-05-18 | Suodatin ja uudet menetelmät |
| PCT/FI2007/050268 WO2007135232A1 (en) | 2006-05-18 | 2007-05-11 | Filter structure for filtering a particle-containing gas, method of its manufacture and use of porous paper |
| EP07730755.1A EP2021129A4 (de) | 2006-05-18 | 2007-05-11 | Filterstruktur zum filtern von teilchenhaltigem gas, herstellungsverfahren dafür und verwendung von porösem papier |
| US12/301,202 US8182580B2 (en) | 2006-05-18 | 2007-05-11 | Filter structure for filtering a particle-containing gas, method of its manufacture and use of porous paper |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20065338A FI119280B (fi) | 2006-05-18 | 2006-05-18 | Suodatin ja uudet menetelmät |
| FI20065338 | 2006-05-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20065338A0 FI20065338A0 (fi) | 2006-05-18 |
| FI20065338A FI20065338A (fi) | 2007-11-19 |
| FI119280B true FI119280B (fi) | 2008-09-30 |
Family
ID=36540041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20065338A FI119280B (fi) | 2006-05-18 | 2006-05-18 | Suodatin ja uudet menetelmät |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8182580B2 (de) |
| EP (1) | EP2021129A4 (de) |
| FI (1) | FI119280B (de) |
| WO (1) | WO2007135232A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2945331C (en) | 2008-10-31 | 2018-02-27 | Cytec Technology Corp. | Process for enhancing electrostatic separation in the beneficiation of ores |
| US20120046589A1 (en) * | 2010-08-19 | 2012-02-23 | Axel Eckstein | Wound dressing comprising foam and ointment base for negative pressure therapy |
| SE537449C2 (sv) * | 2012-04-04 | 2015-05-05 | Exeger Sweden Ab | En färgämnessensiterad solcell som innehåller ett poröst isolerande substrat samt en metod för framställning av det porösa isolerande substratet |
| US9827573B2 (en) * | 2014-09-11 | 2017-11-28 | University Of Washington | Electrostatic precipitator |
| WO2017187022A1 (en) | 2016-04-29 | 2017-11-02 | Dinair Ab | Electrified air filter |
| CN109414634A (zh) | 2016-04-29 | 2019-03-01 | 奥斯龙-明士克公司 | 过滤介质、制造过滤介质的方法及其用途 |
| BE1025376B1 (nl) | 2016-10-12 | 2019-02-08 | Atlas Copco Airpower Naamloze Vennootschap | Filterpatroon voor een compressor of vacuümpomp |
| US11524304B2 (en) * | 2018-12-21 | 2022-12-13 | Robert Bosch Gmbh | Electrostatic charging air cleaning device and collection electrode |
| DE102022103995A1 (de) | 2022-02-21 | 2023-08-24 | Hengst Se | Verfahren zur Herstellung eines Filterelements |
Family Cites Families (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54162277A (en) * | 1978-06-12 | 1979-12-22 | Matsushita Electric Ind Co Ltd | Filter for electrostatic dust collector |
| JPS5624013A (en) | 1979-05-04 | 1981-03-07 | Nitta Kk | Structure of air filter element |
| GB2149686A (en) | 1983-10-26 | 1985-06-19 | Ti Domestic Appliances Ltd | Gas filters and apparatus |
| JPS6242715A (ja) | 1985-08-14 | 1987-02-24 | Toyobo Co Ltd | 抗菌性を有するエレクトレツトフイルタ−用複合材料 |
| CA1314237C (en) * | 1988-11-01 | 1993-03-09 | William E. Pick | Charging element having odour absorbing properties for an electrostatic air filter |
| JPH0463865A (ja) | 1990-04-18 | 1992-02-28 | Fuji Xerox Co Ltd | ポリアニリン複合物 |
| AU3233093A (en) * | 1991-12-11 | 1993-07-19 | Yujiro Yamamoto | Filter for particulate materials in gaseous fluids and method |
| RU2026751C1 (ru) * | 1992-05-13 | 1995-01-20 | Елена Владимировна Володина | Устройство для стерилизации и тонкой фильтрации газа |
| ZA935518B (en) | 1992-07-30 | 1994-02-24 | E V E Holdings Limited | Improved filter |
| US5268009A (en) | 1992-12-22 | 1993-12-07 | Teledyne Industries, Inc. | Portable air filter system |
| JPH0716411A (ja) | 1993-06-30 | 1995-01-20 | Kureha Chem Ind Co Ltd | 複合フィルタ |
| JPH09173894A (ja) | 1995-12-28 | 1997-07-08 | Tenetsukusu:Kk | 誘電式エアフィルタ |
| SE9604279D0 (sv) | 1996-11-21 | 1996-11-21 | Blue Air Ab | Anordning vid ett elektrostatfilter |
| JPH10317851A (ja) | 1997-05-15 | 1998-12-02 | Akira Nishikage | 網 戸 |
| GB2329598B (en) | 1997-09-25 | 2001-04-18 | Racal Health & Safety Ltd | Filters |
| JP2002500562A (ja) * | 1998-03-23 | 2002-01-08 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 空気清浄機 |
| DE29924500U1 (de) | 1998-05-11 | 2003-07-03 | Airflo Europe N.V., Overpelt | Staubsaugerbeutel und verbesserter Staubsaugerbeutel |
| DE19852386C2 (de) | 1998-11-13 | 2000-10-26 | Freudenberg Carl Fa | Filter für gasförmige Medien |
| JP2000153115A (ja) | 1998-11-24 | 2000-06-06 | Mitsubishi Paper Mills Ltd | 空気清浄化フィルター |
| US6245126B1 (en) * | 1999-03-22 | 2001-06-12 | Enviromental Elements Corp. | Method for enhancing collection efficiency and providing surface sterilization of an air filter |
| US6627563B1 (en) | 1999-08-19 | 2003-09-30 | 3M Innovative Properties Company | Oily-mist resistant filter that has nondecreasing efficiency |
| WO2001068658A2 (en) | 2000-03-15 | 2001-09-20 | Hollingsworth & Vose Company | Melt blown composite hepa vacuum filter |
| JP2002018217A (ja) | 2000-04-10 | 2002-01-22 | Toray Ind Inc | フィルタ |
| AU2001280832A1 (en) | 2000-07-27 | 2002-02-13 | Lydall, Inc. | Unitary multi-component filter media |
| EP1339477A4 (de) | 2000-11-14 | 2007-07-04 | Lydall Inc | Luftgelegte/nassgelegte glasfiltrationsmedien |
| FI109975B (fi) | 2001-03-02 | 2002-11-15 | Tamfelt Oyj Abp | Suodatinkangas märkäsuodatukseen |
| JP4406175B2 (ja) | 2001-04-20 | 2010-01-27 | 日本バイリーン株式会社 | 帯電フィルタ及びそれを用いたマスク |
| DE10120223B4 (de) | 2001-04-24 | 2005-08-25 | Carl Freudenberg Kg | Mehrlagiger Luftfilter und dessen Verwendung |
| US20040011204A1 (en) | 2001-10-11 | 2004-01-22 | Hendrik Both | Electrostatic fibrous filter web and method of making same |
| US6764533B2 (en) * | 2001-10-30 | 2004-07-20 | Joseph A. Liobiondo, Sr. | Electronic air filter assembly |
| JP2004017000A (ja) | 2002-06-19 | 2004-01-22 | Toyobo Co Ltd | エレクトレットフィルター濾材 |
| SE525033C2 (sv) * | 2003-04-30 | 2004-11-16 | Mikael Nutsos | Ledande luftreningsfilter och aggregat innefattande sådant filter |
| US7025806B2 (en) | 2003-11-25 | 2006-04-11 | Stri{dot over (o)}nAir, Inc. | Electrically enhanced air filtration with improved efficacy |
| US7258729B1 (en) * | 2004-08-04 | 2007-08-21 | Air Ion Devices Inc. | Electronic bi-polar electrostatic air cleaner |
| JP2006061830A (ja) | 2004-08-26 | 2006-03-09 | Nitto Denko Corp | 家電製品用エアフィルタ濾材 |
| US20060060085A1 (en) | 2004-09-22 | 2006-03-23 | Ptak Thaddeus J | Composite filter media |
| US7279028B2 (en) * | 2005-12-17 | 2007-10-09 | Airinspace B.V. | Electrostatic filter |
-
2006
- 2006-05-18 FI FI20065338A patent/FI119280B/fi not_active IP Right Cessation
-
2007
- 2007-05-11 EP EP07730755.1A patent/EP2021129A4/de not_active Withdrawn
- 2007-05-11 US US12/301,202 patent/US8182580B2/en not_active Expired - Fee Related
- 2007-05-11 WO PCT/FI2007/050268 patent/WO2007135232A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| FI20065338A (fi) | 2007-11-19 |
| US20090241777A1 (en) | 2009-10-01 |
| EP2021129A4 (de) | 2013-06-05 |
| EP2021129A1 (de) | 2009-02-11 |
| US8182580B2 (en) | 2012-05-22 |
| FI20065338A0 (fi) | 2006-05-18 |
| WO2007135232A1 (en) | 2007-11-29 |
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