09668913 cites 34 patents.

An object of the present invention is to provide a disposable body warmer that exhibits sufficient physical properties (strength) of the inner bag during use, and that is excellent in biodegradability after use. The disposable body warmer is prepared by allowing an exothermic composition comprising potassium chloride and/or sodium chloride to be contained in an inner bag comprising an oxidative degradation agent.

Title
Biodegradable disposable hand warmer
Application Number
13/634451
Publication Number
9668913 (B2)
Application Date
March 25, 2011
Publication Date
June 6, 2017
Inventor
Atsushi Matsuo
Osaka
JP
Agent
Nicholas J DiCeglie Jr
James E Armstrong IV
Locke Lord
Assignee
Kobayashi Pharmaceutical
JP
IPC
A61F 7/00
A61F 7/03
F24J 1/00
A41D 13/005
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