Patents Assigned to Harry L. Frisch
  • Interpenetrating polymeric networks
    Patent number: 4302553
    Abstract: Synthetic resins having a topologically interpenetrating polymeric network comprise macrocyclic structures of chemically different, crosslinking polymers which are permanently entangled with each other. The several macrocyclic structures that are present are characterized by the absence of chemical bonds between the individual networks.
    Type: Grant
    Filed: November 2, 1972
    Date of Patent: November 24, 1981
    Assignees: Harry L. Frisch, Kurt C. Frisch, Daniel Klempner
    Inventors: Harry L. Frisch, Kurt C. Frisch, Daniel Klempner