Patents Assigned to Pafra Limited
  • Storage of materials
    Patent number: 5098893
    Abstract: A material or mixture of materials which is not itself storage stable is rendered storage stable by incorporation into a water-soluble or swellable glassy or rubbery composition which can then be stored at ambient temperature. Recovery is by adding aqueous solution to the composition.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: March 24, 1992
    Assignee: Pafra Limited
    Inventors: Felix Franks, Ross H. M. Hatley