Patents Assigned to Nihon Food Culture Co., Ltd.
  • Disposable body warmer and heat generating material therefor
    Patent number: 4925743
    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.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: May 15, 1990
    Assignees: Nihon Food Culture Co., Ltd., Tateho Chemical Industries Co., Ltd.
    Inventors: Tamehiko Ikeda, Shusuke Yano