Chemical oxygen generator

Compositions – Oxidative bleachant – oxidant containing – or generative – Free halogen or oxy-halogen acid type

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C01B 1114, C01B 1118

Patent

active

051981475

ABSTRACT:
An improved chemical oxygen generator (10) includes an oxygen generating candle (12) having an oxygen source, which upon decomposition will yield oxygen, and a nontoxic additive to smooth decomposition and suppress formation of toxic free chlorine gas. The nontoxic additive may be taken from the group consisting of: (1) the oxides, hydroxides and carbonates of calcium and the rare earth elements; (2) the hydroxides and carbonates of magnesium; and (3) mixtures of the foregoing. A complete chemical oxygen generator utilizes the candle (12) of the invention. The oxygen generator preferably includes a canister (14), oxygen-generating candle (12), and an ignition device (16). Triggering of the ignition device ignites an ignition pellet (52) which initiates decomposition of the candle body (50). Once initiated, the candle will sustain decomposition to release breathable oxygen until the candle is completely reacted.

REFERENCES:
patent: 3089855 (1963-05-01), Bovard
patent: 3207695 (1965-09-01), Gustafson
patent: 3276846 (1962-08-01), Moni et al.
patent: 3293187 (1966-12-01), Markowitz
patent: 3573001 (1971-03-01), Bovard
patent: 3862866 (1975-01-01), Timmerman et al.
patent: 4073741 (1978-02-01), Heintz
patent: 4238464 (1980-12-01), Gustafson
patent: 5049306 (1991-09-01), Greer

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