DE2922931A1 - Kohlenmonoxid-ueberwachungssystem - Google Patents
Kohlenmonoxid-ueberwachungssystemInfo
- Publication number
- DE2922931A1 DE2922931A1 DE19792922931 DE2922931A DE2922931A1 DE 2922931 A1 DE2922931 A1 DE 2922931A1 DE 19792922931 DE19792922931 DE 19792922931 DE 2922931 A DE2922931 A DE 2922931A DE 2922931 A1 DE2922931 A1 DE 2922931A1
- Authority
- DE
- Germany
- Prior art keywords
- aluminum oxide
- mixture
- indicator material
- permanganate
- silver
- 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.)
- Ceased
Links
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 22
- 238000012544 monitoring process Methods 0.000 title claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 47
- 229910052709 silver Inorganic materials 0.000 claims description 30
- 239000004332 silver Substances 0.000 claims description 30
- 239000003570 air Substances 0.000 claims description 29
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 25
- 101710134784 Agnoprotein Proteins 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 14
- 239000003283 colorimetric indicator Substances 0.000 claims description 12
- 238000011045 prefiltration Methods 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 7
- -1 silver ions Chemical class 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 5
- 239000012080 ambient air Substances 0.000 claims description 3
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 37
- 239000000243 solution Substances 0.000 description 30
- 238000012806 monitoring device Methods 0.000 description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- JZVJCTVXALSTOA-UHFFFAOYSA-N Rubia akane RA-I Natural products C1=CC(OC)=CC=C1CC(N(C)C(=O)C(CO)NC(=O)C(C)NC(=O)C(N(C1=O)C)C2)C(=O)NC(C)C(=O)N(C)C1CC(C=C1)=CC=C1OC1=CC2=CC=C1O JZVJCTVXALSTOA-UHFFFAOYSA-N 0.000 description 6
- JZVJCTVXALSTOA-XMPIZRASSA-N chembl1288988 Chemical compound C1=CC(OC)=CC=C1C[C@H](N(C)C(=O)[C@H](CO)NC(=O)[C@@H](C)NC(=O)[C@@H](N(C1=O)C)C2)C(=O)N[C@@H](C)C(=O)N(C)[C@H]1CC(C=C1)=CC=C1OC1=CC2=CC=C1O JZVJCTVXALSTOA-XMPIZRASSA-N 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 229910001961 silver nitrate Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000012286 potassium permanganate Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- SIWNEELMSUHJGO-UHFFFAOYSA-N 2-(4-bromophenyl)-4,5,6,7-tetrahydro-[1,3]oxazolo[4,5-c]pyridine Chemical compound C1=CC(Br)=CC=C1C(O1)=NC2=C1CCNC2 SIWNEELMSUHJGO-UHFFFAOYSA-N 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 241001676573 Minium Species 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- CJMMRHSQOBXFOG-UHFFFAOYSA-N [O--].[O--].[Al+3].[Ag+] Chemical compound [O--].[O--].[Al+3].[Ag+] CJMMRHSQOBXFOG-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000003466 welding Methods 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/204998—Inorganic carbon compounds
- Y10T436/205831—Carbon monoxide only
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/912,344 US4256694A (en) | 1978-06-05 | 1978-06-05 | Carbon monoxide monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2922931A1 true DE2922931A1 (de) | 1979-12-13 |
Family
ID=25431759
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792922931 Ceased DE2922931A1 (de) | 1978-06-05 | 1979-06-01 | Kohlenmonoxid-ueberwachungssystem |
| DE19797916301U Expired DE7916301U1 (de) | 1978-06-05 | 1979-06-01 | Vorrichtung zur colorimetrischen ueberwachung des co-anteils in der umluft |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19797916301U Expired DE7916301U1 (de) | 1978-06-05 | 1979-06-01 | Vorrichtung zur colorimetrischen ueberwachung des co-anteils in der umluft |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4256694A (enExample) |
| JP (1) | JPS54159290A (enExample) |
| AU (1) | AU524610B2 (enExample) |
| CA (1) | CA1135606A (enExample) |
| CH (1) | CH641568A5 (enExample) |
| DE (2) | DE2922931A1 (enExample) |
| FR (1) | FR2428257A1 (enExample) |
| GB (1) | GB2022250B (enExample) |
| IT (1) | IT1118101B (enExample) |
| NL (1) | NL7904336A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0022623A1 (en) * | 1979-07-06 | 1981-01-21 | Minnesota Mining And Manufacturing Company | Indicator material |
| FR2484642A1 (fr) * | 1980-06-17 | 1981-12-18 | Du Pont | Dosimetre pour polluants gazeux |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4680165A (en) * | 1982-03-19 | 1987-07-14 | Vo Dinh Tuan | Dosimeter for monitoring vapors and aerosols of organic compounds |
| US4478792A (en) * | 1983-09-16 | 1984-10-23 | Mine Safety Appliances Company | Colorimetric gas dosimeter |
| DE3445638C2 (de) * | 1984-12-14 | 1987-04-23 | Drägerwerk AG, 2400 Lübeck | Kolorimetrisches Gasdosimeter |
| US4900663A (en) * | 1985-09-13 | 1990-02-13 | Environmental Diagnostics, Inc. | Test kit for determining the presence of organic materials and method of utilizing same |
| US4780282A (en) * | 1986-09-09 | 1988-10-25 | Geo-Centers, Inc. | Dosimeter for measuring exposure to hydrazine and hazardous hydrazine derivatives |
| FR2621691B1 (fr) * | 1987-10-09 | 1990-03-02 | Inst Nat Rech Securite | Dispositif echantillonneur de pollution portatif |
| US4999163A (en) * | 1987-10-29 | 1991-03-12 | Hygeia Sciences, Inc. | Disposable, pre-packaged device for conducting immunoassay procedures |
| US5120511A (en) * | 1990-10-05 | 1992-06-09 | Westvaco Corporation | Adsorber bed life monitor |
| US5132231A (en) * | 1991-05-16 | 1992-07-21 | Case Western Reserve University | Carbon monoxide detector using a derivative of Ni(TBC) |
| US5364593A (en) * | 1993-07-26 | 1994-11-15 | Mihaylov Gueorgui M | Direct-read colorimetric exposimeter |
| US5417204A (en) * | 1993-09-01 | 1995-05-23 | Robert H. Kessler | Scuba air contamination detector |
| US5764150A (en) * | 1996-04-10 | 1998-06-09 | Fleury; Byron | Gas alarm |
| US6812035B1 (en) | 1998-07-10 | 2004-11-02 | Chemmotif, Inc. | Dye desortion molecular indicator |
| US7651555B2 (en) * | 2005-08-17 | 2010-01-26 | Roseberry Jeffrey L | Onsite chemistry air filtration system |
| US7559980B2 (en) * | 2006-01-18 | 2009-07-14 | Skc, Inc. | Absorbent transfer for passive sampling badge |
| US20090311797A1 (en) * | 2006-08-04 | 2009-12-17 | Arkray, Inc. | Analysis method and analysis apparatus |
| US9151716B1 (en) * | 2011-10-12 | 2015-10-06 | Robert M. Laughlin | Portable carbon monoxide test device for scuba air tanks |
| US8974759B2 (en) | 2011-11-28 | 2015-03-10 | Coskata, Inc. | Processes for selectively reducing the concentration of hydrogen cyanide in syngas |
| US20140360496A1 (en) * | 2013-06-06 | 2014-12-11 | Harvey Reese | Personal health device |
| FR3067463B1 (fr) * | 2017-06-07 | 2023-10-06 | Norauto France | Dispositif d'identification d'au moins une composition de fluide refrigerant |
| US10823715B2 (en) * | 2017-07-19 | 2020-11-03 | American Sterilizer Company | Chemical indicator for monitoring hydrogen peroxide sterilization and disinfection processes |
| JP7017994B2 (ja) * | 2017-08-08 | 2022-02-09 | 日東電工株式会社 | ガス検知エレメント |
| US11554237B2 (en) * | 2020-06-17 | 2023-01-17 | Affirm Medical Technologies Ii, Llc | Universal respiratory detector |
| IT202100027104A1 (it) * | 2021-10-21 | 2023-04-21 | I N A I L Istituto Naz Per Lassicurazione Contro Gli Infortuni Sul Lavoro | Dosimetro colorimetrico per la rilevazione e/o il monitoraggio di composti tossici volatili |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3924219A (en) * | 1971-12-22 | 1975-12-02 | Minnesota Mining & Mfg | Gas detection device |
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2408164A (en) * | 1942-04-25 | 1946-09-24 | Phillips Petroleum Co | Catalyst preparation |
| US2569895A (en) * | 1943-07-12 | 1951-10-02 | Main-Smith John David | Detection of carbon monoxide by palladous sulfite and/or palladosulfites |
| US2961303A (en) * | 1958-07-02 | 1960-11-22 | Electric Storage Battery Co | Window canister assembly |
| US3112999A (en) * | 1961-05-15 | 1963-12-03 | Drager Otto H | Carbon monoxide detecting device |
| GB1219184A (en) * | 1967-04-01 | 1971-01-13 | Ruhrchemie Ag | Process for the preparation of catalysts |
| US3847552A (en) * | 1973-11-23 | 1974-11-12 | Ibm | Environmental monitoring device and method |
| US3966440A (en) * | 1975-06-03 | 1976-06-29 | Catalyst Research Corporation | Colorimetric vinyl chloride indicator |
| US4208194A (en) * | 1977-09-26 | 1980-06-17 | Minnesota Mining And Manufacturing Company | Monitoring device |
-
1978
- 1978-06-05 US US05/912,344 patent/US4256694A/en not_active Expired - Lifetime
-
1979
- 1979-04-26 CA CA000326404A patent/CA1135606A/en not_active Expired
- 1979-06-01 DE DE19792922931 patent/DE2922931A1/de not_active Ceased
- 1979-06-01 NL NL7904336A patent/NL7904336A/xx not_active Application Discontinuation
- 1979-06-01 FR FR7914098A patent/FR2428257A1/fr active Granted
- 1979-06-01 CH CH516379A patent/CH641568A5/de not_active IP Right Cessation
- 1979-06-01 DE DE19797916301U patent/DE7916301U1/de not_active Expired
- 1979-06-04 GB GB7919456A patent/GB2022250B/en not_active Expired
- 1979-06-04 AU AU47730/79A patent/AU524610B2/en not_active Ceased
- 1979-06-04 IT IT49287/79A patent/IT1118101B/it active
- 1979-06-04 JP JP6981579A patent/JPS54159290A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3924219A (en) * | 1971-12-22 | 1975-12-02 | Minnesota Mining & Mfg | Gas detection device |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| Ind. & Eng. Chem., Vol. 42, Febr. 1950, S. 345-352 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0022623A1 (en) * | 1979-07-06 | 1981-01-21 | Minnesota Mining And Manufacturing Company | Indicator material |
| FR2484642A1 (fr) * | 1980-06-17 | 1981-12-18 | Du Pont | Dosimetre pour polluants gazeux |
Also Published As
| Publication number | Publication date |
|---|---|
| US4256694A (en) | 1981-03-17 |
| DE7916301U1 (de) | 1979-12-13 |
| GB2022250B (en) | 1983-01-12 |
| IT7949287A0 (it) | 1979-06-04 |
| AU4773079A (en) | 1979-12-13 |
| GB2022250A (en) | 1979-12-12 |
| IT1118101B (it) | 1986-02-24 |
| JPS54159290A (en) | 1979-12-15 |
| NL7904336A (nl) | 1979-12-07 |
| FR2428257B1 (enExample) | 1985-01-25 |
| CA1135606A (en) | 1982-11-16 |
| JPH0125420B2 (enExample) | 1989-05-17 |
| AU524610B2 (en) | 1982-09-23 |
| FR2428257A1 (fr) | 1980-01-04 |
| CH641568A5 (de) | 1984-02-29 |
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