CA946699A - Filters and carbon monoxide indicators - Google Patents

Filters and carbon monoxide indicators

Info

Publication number
CA946699A
CA946699A CA125,395A CA125395A CA946699A CA 946699 A CA946699 A CA 946699A CA 125395 A CA125395 A CA 125395A CA 946699 A CA946699 A CA 946699A
Authority
CA
Canada
Prior art keywords
indicators
filters
carbon monoxide
monoxide
carbon
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
Application number
CA125,395A
Other versions
CA125395S (en
Inventor
Israel H. Scheinberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA946699A publication Critical patent/CA946699A/en
Expired legal-status Critical Current

Links

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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B21/00—Devices for producing oxygen from chemical substances for respiratory apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • 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
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
CA125,395A 1970-10-29 1971-10-18 Filters and carbon monoxide indicators Expired CA946699A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8505770A 1970-10-29 1970-10-29
US10286970A 1970-12-30 1970-12-30

Publications (1)

Publication Number Publication Date
CA946699A true CA946699A (en) 1974-05-07

Family

ID=26772251

Family Applications (1)

Application Number Title Priority Date Filing Date
CA125,395A Expired CA946699A (en) 1970-10-29 1971-10-18 Filters and carbon monoxide indicators

Country Status (3)

Country Link
CA (1) CA946699A (en)
DE (1) DE2153849A1 (en)
GB (1) GB1369067A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5739767A (en) * 1980-08-23 1982-03-05 Advance Kk Tobacco filter
GB2150806B (en) * 1983-11-25 1987-12-31 Filtrona Ltd Tobacco smoke filter
HU192213B (en) * 1985-04-29 1987-05-28 Pecsi Dohanygyar Method for producing smoke filter neutralizing the materials injurious the health being in tobacco smoke particularly aldehydes
EP2317881B1 (en) * 2008-06-02 2018-04-11 Philip Morris Products S.A. Smoking article with transparent section

Also Published As

Publication number Publication date
DE2153849A1 (en) 1972-05-10
GB1369067A (en) 1974-10-02

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