Patents Assigned to ASEA AS
  • Patent number: 4172807
    Abstract: Disclosed is a method for containing high-level radioactive waste in a body resistant to leaching by water. The method includes the steps of providing a mass containing radioactive substances and either a material which is resistant to leaching by water or a material which when heated forms a material resistant to leaching by water, enclosing the mass in a capsule, and then isostatically pressing the capsule at a temperature and pressure sufficient to form a coherent, dense body from the mass.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: October 30, 1979
    Assignee: ASEA AS
    Inventor: Hans Larker