Patents Assigned to Logica International Corporation
  • Method of cold sterilization and preservation of food products using dimethyl dicarbonate
    Patent number: 3979524
    Abstract: A method of cold sterilizing a perishable food product during shipment and storage. Liquid dimethyl dicarbonate is applied to the outer surface of the food product and the product is chilled to solidify the coating. The coating acts to protect the food product from microbiological contamination during shipment and storage and can be washed from the product prior to usage.
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: September 7, 1976
    Assignee: Logica International Corporation
    Inventor: Peter D. Bayne
  • Method of cold sterilization using frozen dimethyl dicarbonate
    Patent number: 3936269
    Abstract: A method of sterilizing a perishable product by use of dimethyl dicarbonate. The dimethyl dicarbonate is stored as a solid at a temperature below 16.degree.C and prior to use it is liquified by heating under an inert atmosphere. The liquified dimethyl dicarbonate is mixed with a perishable product, and the product is then packaged in a sealed container and immediately heated to increase the anti-microbial activity of the dimethyl dicarbonate.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: February 3, 1976
    Assignee: Logica International Corporation
    Inventor: Peter D. Bayne