CH635519A5 - Filtermaterial sowie verfahren und vorrichtung zu seiner herstellung. - Google Patents
Filtermaterial sowie verfahren und vorrichtung zu seiner herstellung. Download PDFInfo
- Publication number
- CH635519A5 CH635519A5 CH803578A CH803578A CH635519A5 CH 635519 A5 CH635519 A5 CH 635519A5 CH 803578 A CH803578 A CH 803578A CH 803578 A CH803578 A CH 803578A CH 635519 A5 CH635519 A5 CH 635519A5
- Authority
- CH
- Switzerland
- Prior art keywords
- filter material
- foam carrier
- adsorber
- grains
- material according
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000006260 foam Substances 0.000 claims description 65
- 239000011148 porous material Substances 0.000 claims description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 19
- 229920000297 Rayon Polymers 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 12
- 239000002841 Lewis acid Substances 0.000 claims description 9
- 150000007517 lewis acids Chemical class 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 239000002585 base Substances 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 2
- 229910001626 barium chloride Inorganic materials 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims 1
- 230000007717 exclusion Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 16
- 239000003344 environmental pollutant Substances 0.000 description 11
- 231100000719 pollutant Toxicity 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 238000009423 ventilation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000005909 Kieselgur Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- 241000206761 Bacillariophyta Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910001130 Razor blade steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- QKSKPIVNLNLAAV-UHFFFAOYSA-N bis(2-chloroethyl) sulfide Chemical compound ClCCSCCCl QKSKPIVNLNLAAV-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28095—Shape or type of pores, voids, channels, ducts
- B01J20/28097—Shape or type of pores, voids, channels, ducts being coated, filled or plugged with specific compounds
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B19/00—Cartridges with absorbing substances for respiratory apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
-
- 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
- B01D39/1669—Cellular material
- B01D39/1676—Cellular material of synthetic origin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
- B01J20/28019—Spherical, ellipsoidal or cylindrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28023—Fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28042—Shaped bodies; Monolithic structures
- B01J20/28045—Honeycomb or cellular structures; Solid foams or sponges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782804154 DE2804154C2 (de) | 1978-01-31 | 1978-01-31 | Filtermaterial sowie Verfahren und Vorrichtung zu seiner Herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH635519A5 true CH635519A5 (de) | 1983-04-15 |
Family
ID=6030820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH803578A CH635519A5 (de) | 1978-01-31 | 1978-07-26 | Filtermaterial sowie verfahren und vorrichtung zu seiner herstellung. |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1115679A (enrdf_load_stackoverflow) |
| CH (1) | CH635519A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2804154C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2416044A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2013102B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2152243C1 (ru) * | 1999-04-06 | 2000-07-10 | Волгоградский государственный технический университет | Фильтровальный материал |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2927287B2 (de) * | 1979-07-06 | 1981-05-21 | HELSA - Werke Helmut Sandler & Co, 8586 Gefrees | Mehrlagiges Filtermaterial mit mindestens einer Lage eines offenporigen Schaumstoffes |
| US4342811A (en) | 1979-12-28 | 1982-08-03 | Albany International Corp. | Open-celled microporous sorbent-loaded textile fibers and films and methods of fabricating same |
| US4270933A (en) * | 1980-03-19 | 1981-06-02 | Meny Allan H | Regenerative, fluid filter |
| DE3228156C2 (de) * | 1982-07-28 | 1994-01-20 | Bluecher Hubert | Verwendung eines flexiblen Flächenfilters in einem Luftreinigungsgerät für Kraftfahrzeugkabinen |
| GR79403B (enrdf_load_stackoverflow) * | 1982-11-24 | 1984-10-22 | Bluecher Hubert | |
| DE3304349C3 (de) * | 1983-02-09 | 1995-10-26 | Bluecher Hubert | Flächenfilter und Verfahren zu seiner Herstellung |
| DE8312718U1 (de) * | 1983-04-29 | 1983-09-29 | Sorbexx GmbH Gesellschaft für Adsorptionstechnik und Verbundstoffe, 8586 Gefrees | Filtereinsatz |
| GB2148740B (en) * | 1983-10-31 | 1988-06-15 | La Pena Michael De | Gas treatment device |
| DE3443900C2 (de) * | 1984-12-01 | 1997-03-06 | Bluecher Hubert | Schutzmaterial, Verfahren zu seiner Herstellung und seine Verwendung |
| DE3524431A1 (de) * | 1985-07-09 | 1987-01-22 | Knecht Filterwerke Gmbh | Plattenfoermiger filtereinsatz |
| DE3526181A1 (de) * | 1985-07-23 | 1987-02-05 | Bayer Ag | Verfahren zum beseitigen von verunreinigungen aus gemischen von wasser mit mit wasser mischbaren loesungsmitteln |
| US4680040A (en) * | 1986-01-17 | 1987-07-14 | Xerox Corporation | Multipurpose filtering material |
| SE8601024L (sv) * | 1986-03-06 | 1987-09-07 | Mediplast Ab | Absorptionsenhet jemte sett att framstella en sadan |
| DE3719233A1 (de) * | 1987-06-09 | 1988-12-22 | Erich Busch | Selbsttragender filterkoerper |
| DE3719419A1 (de) * | 1987-06-11 | 1988-12-29 | Sandler Helmut Helsa Werke | Filterpatrone fuer eine atemschutzmaske |
| DE3719415A1 (de) * | 1987-06-11 | 1988-12-22 | Sandler Helmut Helsa Werke | Filtereinrichtung und verfahren zu ihrer herstellung |
| DE3719420A1 (de) * | 1987-06-11 | 1988-12-29 | Sandler Helmut Helsa Werke | Atemschutzmaske |
| DE3719418C1 (de) * | 1987-06-11 | 1988-07-21 | Sandler Helmut Helsa Werke | Verfahren zur Herstellung eines Filtermaterials |
| DE3740091A1 (de) * | 1987-11-26 | 1989-06-15 | Paul J M Haufe | Filtermaterial |
| DE3806252C1 (enrdf_load_stackoverflow) * | 1988-02-27 | 1989-07-27 | Adam Opel Ag, 6090 Ruesselsheim, De | |
| DE3813562C2 (de) * | 1988-04-22 | 1997-11-27 | Hasso Von Bluecher | Aktivkohlefilterschicht für Gasmasken |
| DE3813563C2 (de) * | 1988-04-22 | 2002-01-17 | Mhb Filtration Gmbh & Co Kg | Adsorptionsfilter mit hoher Luftdurchlässigkeit |
| DE3817084C1 (en) * | 1988-05-19 | 1989-09-21 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | Odour-binding filter in the feed air stream of a motor vehicle interior |
| DE3818993A1 (de) * | 1988-06-03 | 1990-02-08 | Hasso Von Bluecher | System zur sanierung schadstoffbelasteter raeume |
| DE3819002A1 (de) * | 1988-06-03 | 1989-12-14 | Hasso Von Bluecher | Luftfilter fuer fahrgastzellen |
| EP0345381A3 (en) * | 1988-06-07 | 1991-04-10 | The Clorox Company | Liquid filter |
| US5582865A (en) * | 1988-12-12 | 1996-12-10 | Extraction Systems, Inc. | Non-woven filter composite |
| US5626820A (en) * | 1988-12-12 | 1997-05-06 | Kinkead; Devon A. | Clean room air filtering |
| GB8927636D0 (en) * | 1989-12-06 | 1990-02-07 | Purification Prod | Improvements in the production of particulate solid-bearing air-permeable sheet materials |
| DE4000193C2 (de) * | 1990-01-05 | 1995-12-07 | Diekmann Gmbh & Co Kg Heinrich | Sorptionskörper und Verfahren zur Herstellung eines Sorptionskörpers |
| WO1991011247A1 (de) * | 1990-01-23 | 1991-08-08 | Bluecher Hasso Von | Filtermaterial für kraftfahrzeuge |
| DE4020427A1 (de) * | 1990-06-27 | 1992-01-02 | Hasso Von Bluecher | Anpassungsfaehiges filtersystem |
| DE4020428A1 (de) * | 1990-06-27 | 1992-01-02 | Hasso Von Bluecher | Bodenbelag und heimtextilien mit adsorbierenden eigenschaften |
| DE4022937A1 (de) * | 1990-07-19 | 1992-01-23 | Schwaebische Huettenwerke Gmbh | Filter- oder katalysatorkoerper |
| DE4241605A1 (de) * | 1992-12-10 | 1994-06-16 | Hasso Von Bluecher | Adsorptionsfilter |
| US5607647A (en) * | 1993-12-02 | 1997-03-04 | Extraction Systems, Inc. | Air filtering within clean environments |
| DE19643391A1 (de) * | 1996-10-21 | 1998-04-30 | Stefan Mantz | Vorrichtung und Verfahren zur Fein- und/oder Entkeimungsfiltration von Getränken |
| DE10026902A1 (de) * | 2000-05-31 | 2002-04-18 | Sandler Helmut Helsa Werke | Filter insbesondere für ein Fahrzeug |
| WO2003082436A2 (en) * | 2002-03-23 | 2003-10-09 | Omnipure Filter Company | Filtration media comprising granules of binder-agglomerated active component |
| DE10240548C5 (de) * | 2002-08-29 | 2011-06-16 | BLüCHER GMBH | Adsorptionsmaterial, Verfahren zu seiner Herstellung und seine Verwendung |
| DE10261996B4 (de) | 2002-08-29 | 2012-02-09 | BLüCHER GMBH | Adsorptionsmaterial und seine Verwendung |
| DE10357197A1 (de) * | 2003-12-08 | 2005-07-07 | Herding Gmbh Filtertechnik | Filterelement mit Wärmebeständigkeit und/oder chemischer Beständigkeit |
| DE102006010636A1 (de) * | 2005-12-19 | 2007-06-21 | BLüCHER GMBH | Sorptionsspeichereinheit für Gase |
| DE102007027026A1 (de) * | 2007-06-08 | 2008-12-11 | BLüCHER GMBH | Mattenförmiges Schaumstoffmaterial zur Luftreinigung und/oder Luftfiltration |
| FR2931157B1 (fr) * | 2008-05-19 | 2011-02-18 | Inst Superieur De Plasturgie D Alencon Entpr S | Materiau solide contenant une charge active et permettant une grande facilite d'acces a cette charge |
| DE202010009493U1 (de) | 2010-02-15 | 2011-04-07 | BLüCHER GMBH | Agglomerate von Adsorberpartikeln |
| DE102020116991B3 (de) | 2020-06-29 | 2021-09-02 | Franz Durst | Atemluftfilter und Verfahren zum Betrieb eines Atemluftfilters |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB516268A (en) * | 1938-07-22 | 1939-12-28 | Frantisek Voves | Improvements in or relating to gas mask filters and the like |
| US3387940A (en) * | 1963-08-29 | 1968-06-11 | Union Carbide Corp | High-strength carbon foam |
| GB1245965A (en) * | 1968-01-19 | 1971-09-15 | Bondina Ltd Formerly Bondina B | Protective materials |
| DE2030835A1 (de) * | 1970-06-23 | 1972-01-05 | Collo-Rheincollodium Köln GmbH, Werk Hersei, 5304 Hersei | Filter zur Entfernung von Gasen, Dämpfen u. dgl. aus der Luft sowie Verfahren zu seiner Herstellung |
| FR2105308A5 (enrdf_load_stackoverflow) * | 1970-08-10 | 1972-04-28 | France Etat | |
| JPS5111037B2 (enrdf_load_stackoverflow) * | 1973-04-26 | 1976-04-08 | ||
| JPS5071595A (enrdf_load_stackoverflow) * | 1973-10-29 | 1975-06-13 | ||
| DE2400827C3 (de) * | 1974-01-09 | 1982-02-18 | Hasso von 4000 Düsseldorf Blücher | Filtermaterial aus offenporigem Polyurethanschaumstoff als Trägermaterial und Aktivkohle und Verfahren zu dessen Herstellung |
| US3971373A (en) * | 1974-01-21 | 1976-07-27 | Minnesota Mining And Manufacturing Company | Particle-loaded microfiber sheet product and respirators made therefrom |
-
1978
- 1978-01-31 DE DE19782804154 patent/DE2804154C2/de not_active Expired
- 1978-06-15 CA CA305,537A patent/CA1115679A/en not_active Expired
- 1978-06-23 GB GB7827785A patent/GB2013102B/en not_active Expired
- 1978-07-26 CH CH803578A patent/CH635519A5/de not_active IP Right Cessation
- 1978-08-01 FR FR7822670A patent/FR2416044A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2152243C1 (ru) * | 1999-04-06 | 2000-07-10 | Волгоградский государственный технический университет | Фильтровальный материал |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2013102B (en) | 1982-06-30 |
| FR2416044A1 (fr) | 1979-08-31 |
| CA1115679A (en) | 1982-01-05 |
| DE2804154C2 (de) | 1984-04-19 |
| GB2013102A (en) | 1979-08-08 |
| FR2416044B1 (enrdf_load_stackoverflow) | 1983-08-12 |
| DE2804154B1 (de) | 1979-01-25 |
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