Patents Assigned to Kenobel AB
  • Amidocarboxylic acids as flotation agents
    Patent number: 4612112
    Abstract: Amidocarboxylic acids containing a hydrophobic group on the nitrogen are used as flotation agents. They are particularly useful as collector agents in the separation of non-sulfide minerals from their gangues.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: September 16, 1986
    Assignee: Kenobel AB
    Inventor: Piotr Swiatkowski