Patents Assigned to Cullinan Holdings Limited
  • Granular carrier material
    Patent number: 3993498
    Abstract: A granular carrier material and process for producing same adapted for use with pesticides. A cake is formed of an intimate mixture of 97-80% by weight attapulgite and 3-20% by weight perlite, the attapulgite and perlite being capable of passing through a 150 ASTM mesh screen. The cake is then heated to a temperature of 450.degree.-780.degree. C. and is broken to form a granular solid.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: November 23, 1976
    Assignee: Cullinan Holdings Limited
    Inventor: Gerald John Koekemoer