Patents Assigned to Mineric Corporation
  • Flotation process with use of xanthogen chloropropyl formate reagents
    Patent number: 4191641
    Abstract: Process for flotation of copper sulfide ones using a flotation reagent produced by the reaction of an alkali metal lower alkyl xanthate and 2-chloroisopropyl formate.
    Type: Grant
    Filed: January 26, 1978
    Date of Patent: March 4, 1980
    Assignee: Mineric Corporation
    Inventors: Arthur H. Fischer, Lawrence E. Strow, Franklin A. Bolth