Exothermic compositions and container for heating food

Details Exothermic compositions and container for heating food Exothermic compositions and container for heating food

1994-09-22

1996-01-16

Jones, Larry

Stoves and furnaces

Heaters

Chemical

12626301, 12626306, 12626308, F24J 100

Patent

active

054839491

ABSTRACT:
An exothermically hydrated fuel for a self-heating food container comprises particles of a hard quicklime that has been calcined at a temperature above 1,400.degree. C., such as from 1,410.degree. C. to 1,500.degree. C. The fuel can also contain at least 10% based on the weight of the hard particles of softer, more porous particles of quicklime calcined at a temperature above 1,250.degree. C. and/or particles of an anhydrous acid that exothermically reacts with quicklime to form a non-toxic, non-hazardous salt such as oxalic acid.

REFERENCES:
patent: 2968932 (1961-01-01), Vance et al.
patent: 3429672 (1969-02-01), Young
patent: 3871357 (1975-03-01), Grosso et al.
patent: 4002235 (1977-01-01), Donnelly
patent: 4265216 (1981-05-01), Marshall et al.
patent: 4501259 (1985-02-01), Apellaniz
patent: 4748035 (1988-05-01), Apellaniz
patent: 4867131 (1989-09-01), van der Merwe et al.

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