Patents Assigned to Angus Chemical Co.
  • Method for dispersing comminuted solids
    Patent number: 4370171
    Abstract: A method for dispersing a comminuted solid in an aqueous medium using a combination of an alkanolamine and a polymeric carboxylic acid as the dispersing agent.
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: January 25, 1983
    Assignee: Angus Chemical Co.
    Inventors: Glenn N. Robinson, Charles E. Seeney