Patents Assigned to Intensive Technology, Inc.
  • Patent number: 4397392
    Abstract: A chemical seal for isolating the liquid phase of a contained liquid from the vapor phase present in the container headspace comprises a chemically impregnated gel formed by mixing a biopolymer gel, a high molecular weight polymer and chemical impregnants with water to form a gel-forming aqueous solution which is applied to the surface of the contained liquid and allowed to solidify thereby forming a mechanically stable, chemically impregnated gel seal in intimate contact with the contained liquid.
    Type: Grant
    Filed: January 8, 1981
    Date of Patent: August 9, 1983
    Assignee: Intensive Technology, Inc.
    Inventors: Alan H. Runck, G. Joseph Beatrice