CA1116063A - Monitoring device - Google Patents
Monitoring deviceInfo
- Publication number
- CA1116063A CA1116063A CA310,152A CA310152A CA1116063A CA 1116063 A CA1116063 A CA 1116063A CA 310152 A CA310152 A CA 310152A CA 1116063 A CA1116063 A CA 1116063A
- Authority
- CA
- Canada
- Prior art keywords
- sheet
- sorbent
- carbon
- percent
- weight
- Prior art date
- 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
Links
- 238000012806 monitoring device Methods 0.000 title 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000002594 sorbent Substances 0.000 claims description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 35
- 229910052799 carbon Inorganic materials 0.000 claims description 29
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 28
- 239000011159 matrix material Substances 0.000 abstract description 2
- 229940058401 polytetrafluoroethylene Drugs 0.000 abstract 1
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 21
- 239000002131 composite material Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 17
- 239000000306 component Substances 0.000 description 15
- 238000003490 calendering Methods 0.000 description 11
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 11
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 8
- 239000000460 chlorine Substances 0.000 description 8
- 229910052801 chlorine Inorganic materials 0.000 description 8
- 235000012431 wafers Nutrition 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 102000004405 Collectins Human genes 0.000 description 6
- 108090000909 Collectins Proteins 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- 239000011236 particulate material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- VOVZXURTCKPRDQ-CQSZACIVSA-N n-[4-[chloro(difluoro)methoxy]phenyl]-6-[(3r)-3-hydroxypyrrolidin-1-yl]-5-(1h-pyrazol-5-yl)pyridine-3-carboxamide Chemical compound C1[C@H](O)CCN1C1=NC=C(C(=O)NC=2C=CC(OC(F)(F)Cl)=CC=2)C=C1C1=CC=NN1 VOVZXURTCKPRDQ-CQSZACIVSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- HFGHRUCCKVYFKL-UHFFFAOYSA-N 4-ethoxy-2-piperazin-1-yl-7-pyridin-4-yl-5h-pyrimido[5,4-b]indole Chemical compound C1=C2NC=3C(OCC)=NC(N4CCNCC4)=NC=3C2=CC=C1C1=CC=NC=C1 HFGHRUCCKVYFKL-UHFFFAOYSA-N 0.000 description 1
- 241000408452 Acrosathe Species 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- HJEINPVZRDJRBY-UHFFFAOYSA-N Disul Chemical compound OS(=O)(=O)OCCOC1=CC=C(Cl)C=C1Cl HJEINPVZRDJRBY-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229960003563 calcium carbonate Drugs 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical compound ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229940102253 isopropanolamine Drugs 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- IOVGROKTTNBUGK-SJCJKPOMSA-N ritodrine Chemical compound N([C@@H](C)[C@H](O)C=1C=CC(O)=CC=1)CCC1=CC=C(O)C=C1 IOVGROKTTNBUGK-SJCJKPOMSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229940081330 tena Drugs 0.000 description 1
- 229960002415 trichloroethylene Drugs 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/223—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols
- G01N31/224—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols for investigating presence of dangerous gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Sampling And Sample Adjustment (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US836,763 | 1977-09-26 | ||
| US05/836,763 US4208194A (en) | 1977-09-26 | 1977-09-26 | Monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1116063A true CA1116063A (en) | 1982-01-12 |
Family
ID=25272676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA310,152A Expired CA1116063A (en) | 1977-09-26 | 1978-08-28 | Monitoring device |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4208194A (enExample) |
| JP (1) | JPS5458085A (enExample) |
| CA (1) | CA1116063A (enExample) |
| DE (1) | DE2842031A1 (enExample) |
| FR (1) | FR2404220A1 (enExample) |
| GB (1) | GB2005016B (enExample) |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256694A (en) * | 1978-06-05 | 1981-03-17 | Minnesota Mining And Manufacturing Company | Carbon monoxide monitoring system |
| US4341539A (en) * | 1979-08-10 | 1982-07-27 | Dimitri Gidaspow | Thermally regenerative desiccant element |
| US4311669A (en) * | 1980-08-21 | 1982-01-19 | The Bendix Corporation | Membrane interface for ion mobility detector cells |
| DE3200959A1 (de) * | 1982-01-14 | 1983-07-21 | Hasso von 4000 Düsseldorf Blücher | Textiler flaechenfilter |
| US4482635A (en) * | 1982-03-29 | 1984-11-13 | E. I. Du Pont De Nemours & Company | Composition, indicator, process and device for detecting carbon monoxide |
| US4493716A (en) * | 1982-10-12 | 1985-01-15 | W. L. Gore & Associates, Inc. | Apparatus for the separation of hydrogen sulfide from a gas mixture |
| US5127925A (en) * | 1982-12-13 | 1992-07-07 | Allied-Signal Inc. | Separation of gases by means of mixed matrix membranes |
| US4516984A (en) * | 1983-11-08 | 1985-05-14 | Emory University | Degassing process and apparatus for removal of oxygen |
| US5110326A (en) * | 1985-07-31 | 1992-05-05 | Celanese Corporation | Immobilized liquid membrane |
| ZA865173B (en) * | 1985-07-31 | 1987-03-25 | Celanese Corp | Immobilized liquid membrane |
| US5009971A (en) * | 1987-03-13 | 1991-04-23 | Ppg Industries, Inc. | Gas recombinant separator |
| FR2625690B1 (fr) * | 1988-01-11 | 1993-04-23 | Inst Francais Du Petrole | Procede de separation des constituants d'un melange en phase gazeuse au moyen d'une membrane composite |
| US4906377A (en) * | 1988-05-04 | 1990-03-06 | Millipore Corporation | Fluorocarbon membranes and process for making fluorocarbon membranes |
| US5582865A (en) * | 1988-12-12 | 1996-12-10 | Extraction Systems, Inc. | Non-woven filter composite |
| US5207915A (en) * | 1990-02-23 | 1993-05-04 | Minnesota Mining And Manufacturing Company | Separation method using controlled pore composite polytetrafluoroethylene article |
| US5147539A (en) * | 1990-02-23 | 1992-09-15 | Minnesota Mining And Manufacturing Company | Controlled pore composite polytetrafluoroethylene article |
| US5593482A (en) * | 1990-03-20 | 1997-01-14 | W. L. Gore & Associates, Inc. | Adsorbent assembly for removing gaseous contaminants |
| US5151110A (en) * | 1990-09-11 | 1992-09-29 | University Of New Mexico | Molecular sieve sensors for selective detection at the nanogram level |
| USRE36811E (en) * | 1991-02-07 | 2000-08-08 | Minnesota Mining And Manufacturing Co. | Solid phase extraction medium |
| CA2059398C (en) * | 1991-02-07 | 1999-05-25 | Craig G. Markell | Solid phase extraction medium |
| US5264184A (en) * | 1991-03-19 | 1993-11-23 | Minnesota Mining And Manufacturing Company | Device and a method for separating liquid samples |
| DE4211907A1 (de) * | 1991-04-19 | 1992-11-05 | Rene Baltus | Vorrichtung zum messen oder sammeln der menge eines in einer fluessigkeit enthaltenen gasanteils oder feststoffes |
| US5248428A (en) * | 1991-06-28 | 1993-09-28 | Minnesota Mining And Manufacturing Company | Article for separations and purifications and method of controlling porosity therein |
| US5238621A (en) * | 1991-06-28 | 1993-08-24 | Minnesota Mining And Manufacturing Company | Method of controlling porosity in a composite article |
| US5328758A (en) * | 1991-10-11 | 1994-07-12 | Minnesota Mining And Manufacturing Company | Particle-loaded nonwoven fibrous article for separations and purifications |
| US5209967A (en) * | 1992-01-31 | 1993-05-11 | Minnesota Mining And Manufacturing Company | Pressure sensitive membrane and method therefor |
| US5328756A (en) * | 1992-01-31 | 1994-07-12 | Minnesota Mining And Manufacturing Company | Temperature sensitive circuit breaking element |
| GB2263769A (en) * | 1992-01-31 | 1993-08-04 | Bernard Fields | Vapour sampling device |
| GB9202360D0 (en) * | 1992-02-04 | 1992-03-18 | Gore W L & Ass Uk | Ostomy filter |
| US5453118A (en) * | 1993-06-02 | 1995-09-26 | Ultra Pure Systems, Inc. | Carbon-filled fuel vapor filter system |
| US5607647A (en) * | 1993-12-02 | 1997-03-04 | Extraction Systems, Inc. | Air filtering within clean environments |
| JP3899380B2 (ja) * | 1994-05-05 | 2007-03-28 | スリーエム カンパニー | 化学変性した固相抽出粒子およびそれを含む製品 |
| US5500038A (en) * | 1994-08-30 | 1996-03-19 | W. L. Gore & Associates, Inc. | Non-particulating compact adsorbent filter |
| US5856198A (en) * | 1994-12-28 | 1999-01-05 | Extraction Systems, Inc. | Performance monitoring of gas-phase air filters |
| US5833860A (en) * | 1995-08-28 | 1998-11-10 | Millipore Investment Holdings Limited | Centrifugal adsorptive sample preparation device and method |
| DE19741697C2 (de) * | 1996-12-06 | 2002-02-21 | Roth Hansjoachim | Chip zur Überwachung der Quecksilberkonzentration in der Luft |
| US6168651B1 (en) | 1998-10-08 | 2001-01-02 | Donaldson Company, Inc. | Filter assembly with shaped adsorbent article; and devices and methods of use |
| US6146446A (en) * | 1998-10-08 | 2000-11-14 | Donaldson Company, Inc. | Filter assembly with shaped adsorbent article; and devices and methods of use |
| GB2349462A (en) * | 1999-04-28 | 2000-11-01 | John Sommerville | Strip for environment monitoring |
| US6214095B1 (en) | 1999-07-06 | 2001-04-10 | Donaldson Company, Inc. | Adsorbent pouch for removal of gaseous contaminants |
| EP1335788B1 (en) * | 2000-09-20 | 2011-02-23 | Chevron U.S.A. Inc. | Mixed matrix membranes with pyrolized carbon sieve particles and methods of making the same |
| US6503295B1 (en) * | 2000-09-20 | 2003-01-07 | Chevron U.S.A. Inc. | Gas separations using mixed matrix membranes |
| US6500233B1 (en) | 2000-10-26 | 2002-12-31 | Chevron U.S.A. Inc. | Purification of p-xylene using composite mixed matrix membranes |
| US20040161367A1 (en) * | 2003-02-13 | 2004-08-19 | Truex Bryan I. | Apparatus and method for detecting chlorine dioxide |
| WO2005049700A1 (de) * | 2003-11-20 | 2005-06-02 | Bayerische Julius-Maximilians- Universität Würzburg | Polymergebundene, funktionale werkstoffe |
| US7306647B2 (en) * | 2004-11-19 | 2007-12-11 | Chevron U.S.A. Inc. | Mixed matrix membrane with mesoporous particles and methods for making and using the same |
| FR2895518B1 (fr) * | 2005-12-26 | 2008-07-04 | Bruno Aubert | Procede de mesure et d'alertes fiabilisees et individualisees de pollutions de l'air et dispositif associe |
| JP4213167B2 (ja) * | 2006-03-24 | 2009-01-21 | 日本バルカー工業株式会社 | 充填材入りフッ素樹脂シートの製造方法 |
| US20080011163A1 (en) * | 2006-07-17 | 2008-01-17 | Mcclain Michael S | Sorbent porous polymeric composite materials |
| US8067110B2 (en) * | 2006-09-11 | 2011-11-29 | 3M Innovative Properties Company | Organic vapor sorbent protective device with thin-film indicator |
| US7906223B2 (en) * | 2006-09-11 | 2011-03-15 | 3M Innovative Properties Company | Permeable nanoparticle reflector |
| JP5491758B2 (ja) | 2009-03-31 | 2014-05-14 | 日本バルカー工業株式会社 | 充填材入りフッ素樹脂シート、その製造方法およびガスケット |
| US8955515B2 (en) * | 2009-10-23 | 2015-02-17 | 3M Innovative Properties Company | Patterned chemical sensor having inert occluding layer |
| AU2011235309B2 (en) | 2010-04-02 | 2013-07-04 | 3M Innovative Properties Company | Alignment registration feature for analyte sensor optical reader |
| AU2011235303A1 (en) * | 2010-04-02 | 2012-11-01 | 3M Innovative Properties Company | Filter systems including optical analyte sensors and optical readers |
| RU2513773C1 (ru) | 2010-04-02 | 2014-04-20 | 3М Инновейтив Пропертиз Компани | Фильтрующая система, включающая структурированные оптические датчики аналитов и оптические считывающие устройства |
| CN103154707A (zh) | 2010-10-01 | 2013-06-12 | 3M创新有限公司 | 用于指示使用寿命终点的便携式监测器 |
| BR112013007517A2 (pt) | 2010-10-01 | 2020-09-01 | 3M Innovative Properties Company | método para correlacionar um dispositivo de mo0nitoramento ao final da vida útil de um cartucho de filtro |
| US9358494B2 (en) | 2011-12-12 | 2016-06-07 | 3M Innovative Properties Company | End of service life indicating systems for layered filter cartridges |
| US9751038B2 (en) | 2013-03-15 | 2017-09-05 | 3M Innovative Properties Company | End of service life indicating systems for layered filter cartridges |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2933154A (en) * | 1957-07-31 | 1960-04-19 | Du Pont | Process for filtering with polytetrafluoroethylene fibers |
| US3019127A (en) * | 1957-10-07 | 1962-01-30 | American Air Filter Co | Filtering medium and method of making the same |
| DE1925582C3 (de) * | 1969-05-20 | 1974-07-04 | Linde Ag, 6200 Wiesbaden | Verfahren und Vorrichtung zum Trennen von Stoffgemischen mittels Diffusion |
| FR2079460A5 (en) * | 1970-02-02 | 1971-11-12 | Rhone Poulenc Sa | Polyorganosiloxane elastomer membranes - contng zeolite for gaseous separation procedures in conventional appts |
| US3911080A (en) * | 1971-09-10 | 1975-10-07 | Wright H Dudley | Air pollution control |
| IL39983A0 (en) * | 1971-09-10 | 1972-09-28 | Wright H D | Method and apparatus for removing pollutants from air or similar gases |
| US3924219A (en) * | 1971-12-22 | 1975-12-02 | Minnesota Mining & Mfg | Gas detection device |
| CA989005A (en) * | 1971-12-22 | 1976-05-11 | David L. Braun | Mercury detection device |
| US3791910A (en) * | 1972-03-07 | 1974-02-12 | Ppg Industries Inc | Multiple glazed unit |
| DE2256843A1 (de) * | 1972-11-20 | 1974-06-06 | Egon Tramann | Abgasfilter fuer schweroelmaschinen |
| US3950980A (en) * | 1974-03-27 | 1976-04-20 | Minnesota Mining And Manufacturing Company | Vapor sampling device |
| US3985017A (en) * | 1975-01-02 | 1976-10-12 | Abcor, Inc. | Gaseous contaminate dosimeter and method |
| US4040802A (en) * | 1975-04-22 | 1977-08-09 | Deitz Victor R | Activation of water soluble amines by halogens for trapping methyl radioactive iodine from air streams |
| US4040805A (en) * | 1976-10-22 | 1977-08-09 | Board Of Supervisors Louisiana State University Agricultural And Mechanical College | Personal monitoring device, or dosimeter, for measuring exposure of personnel to organic vapors |
-
1977
- 1977-09-26 US US05/836,763 patent/US4208194A/en not_active Expired - Lifetime
-
1978
- 1978-08-28 CA CA310,152A patent/CA1116063A/en not_active Expired
- 1978-09-25 JP JP11779478A patent/JPS5458085A/ja active Granted
- 1978-09-25 GB GB7838004A patent/GB2005016B/en not_active Expired
- 1978-09-25 FR FR7827334A patent/FR2404220A1/fr active Granted
- 1978-09-25 DE DE19782842031 patent/DE2842031A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4208194A (en) | 1980-06-17 |
| JPS6142810B2 (enExample) | 1986-09-24 |
| JPS5458085A (en) | 1979-05-10 |
| DE2842031C2 (enExample) | 1987-05-27 |
| FR2404220B1 (enExample) | 1984-11-16 |
| GB2005016B (en) | 1982-04-07 |
| DE2842031A1 (de) | 1979-05-03 |
| FR2404220A1 (fr) | 1979-04-20 |
| GB2005016A (en) | 1979-04-11 |
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| MKEX | Expiry |