Disposable body warmer and heat generating material therefor
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United States of America Patent
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-
May 15, 1990
Issued Date -
N/A
app pub date -
Apr 27, 1989
filing date -
Mar 31, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A disposable body warmer comprises a heat generating material and a structure for retaining the material. The retaining structure may be provided on its one side with a reflecting material. The heat generating material consists essentially of at least one oxide of alkaline earth metals such as magnesium oxide with a plate crystal structure and, if necessary, contains an additive such as a salt selected from the group consisting of chlorides and sulphides of alkali metals and alkaline earth metals.
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