Patents Assigned to Neo-Pro Corporation
  • Metal recovery process
    Patent number: 3942976
    Abstract: A process is disclosed for recovering metals from sulfide or oxide containing ores or mixtures or concentrates thereof in which a mass of ore and metallic aluminum is ignited and sintered at a temperature within the range of approximately 1000.degree. to about 1500.degree. Centigrade. The metals are thereafter separated and recovered.
    Type: Grant
    Filed: June 28, 1973
    Date of Patent: March 9, 1976
    Assignee: Neo-Pro Corporation
    Inventor: Frank M. Cornell