|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||607/096 ; 607/108 ; 604/020 ; 604/113 ; 126/263.07 ; 126/263.02|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 74 인용 특허 : 4|
An exothermic device has an exothermic composition enclosed in a flat pouch formed of film or sheet, at least one surface thereof being gas-permeable. The exothermic composition comprises a laminate of an exothermic reaction layer having an exothermic substance as an essential ingredient thereof, and a single or a plurality of reaction auxiliary layer(s) including other ingredients. The exothermic device is incorporated into a sticking pad applicable to the human body to provide a warming and/or therapeutic effect.
[ What is claimed is:] [1.] An exothermic device having an exothermic composition enclosed in a flat pouch formed of a film or sheet, at least one surface of said flat pouch being gas-permeable, said exothermic composition being made of a laminate, said laminate comprising an exothermic reaction layer comprising an exothermic substance as an essential ingredient thereof, and at least one reaction auxiliary layer comprising other ingredients, said exothermic reaction layer is stable in air and is activated to react with oxygen in the air by a reaction wit...