Compositions – Inorganic luminescent compositions – Tungsten containing
Patent
1985-10-30
1987-12-29
Terapane, John F.
Compositions
Inorganic luminescent compositions
Tungsten containing
73 1G, 2524081, C09K 330
Patent
active
047159855
ABSTRACT:
Compositions for checking the functioning of fire detectors comprising at least 75% of at least one haloalkane, up to 15% of at least one volatile organic compound selected from the group consisting of alcohols, oxoderivatives, and ethers, a small amount of an organic compound having a vapor pressure less than 0.1 millibar, and an optional propellant. The composition can be used to check the functioning of ionization detectors, combustible gas detectors, and optical smoke detectors.
REFERENCES:
patent: 2285950 (1942-06-01), Sullivan et al.
patent: 2995521 (1961-08-01), Bluard
patent: 3693401 (1972-09-01), Purt
patent: 3822145 (1974-07-01), Edison et al.
patent: 4243548 (1981-01-01), Heeb et al.
patent: 4301674 (1981-11-01), Haines
Barbier Jean-Paul
Desvard Catherine
Pean Jean-Louis
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
Maples John S.
Terapane John F.
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