Patents Assigned to VFI, Verwertungsgesellschaft fur Industrieruckstande mbH
  • Process for the storage and dumping of waste materials
    Patent number: 4432666
    Abstract: A process for forming a compact, water-repellant, non-polluting mass of waste material which includes adding to the waste material a binder and forming a flowable, water-repellant mixture which is placed within a preselected site and hardened in place. A hardening agent can include waste, or polluted, water.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: February 21, 1984
    Assignee: VFI, Verwertungsgesellschaft fur Industrieruckstande mbH
    Inventors: Rudolf Frey, Peer-Ingo Litschke