Patents Assigned to Mitsubishi Shoji Kaisha, Ltd.
  • Oxygen-consuming composition
    Patent number: 4102803
    Abstract: An effective oxygen-consuming composition for packages, containers, or other closed spaces, especially containing an article susceptible to oxidative deterioration, comprises a dithionite for reacting with oxygen, sufficient alkaline material to at least partially neutralize sulfur dioxide released as a by-product of the oxygen consuming reaction, and porous filler particles in sufficient amount to promote contact with the ambient atmosphere, all in homogeneous mixture.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: July 25, 1978
    Assignee: Mitsubishi Shoji Kaisha, Ltd.
    Inventors: Daishiro Fujishima, Shinichiro Fujishima