Ervin Dan

Person

  • Toronto, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Photodegradable polyurethane compositions

    • Patent number 4,145,516
    • Issue date Mar 20, 1979
    • The Governing Council of the University of Toronto
    • James E. Guillet
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...