Patents Assigned to Calmac Manufacturing Corp.
  • Eutectic composition for coolness storage
    Patent number: 4954278
    Abstract: A eutectic composition for coolness storage and its method of making wherein a dry particulate mixture of sodium sulfate and a lesser amount of sodium tetraborate pentahydrate is added to water while the water is stirred, together with a small amount of a buffering acid to reduce alkalinity.
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: September 4, 1990
    Assignee: Calmac Manufacturing Corp.
    Inventors: Calvin D. MacCracken, Maria Telkes