Patents Represented by Law Firm Sheridan, Ross & Fields
  • Process for oxidizing metal sulfides to elemental sulfur using activated carbon
    Patent number: 3930969
    Abstract: Accelerated reaction rates and improved yields are accomplished when sulfides of metals of groups Ib, IIb, IVa, Va and VIII of the Periodic Table are oxidized in aqueous medium to convert the sulfide sulfur to elemental sulfur by performing the reaction in the presence of activated carbon.
    Type: Grant
    Filed: June 28, 1974
    Date of Patent: January 6, 1976
    Assignee: Cyprus Metallurgical Processes Corporation
    Inventor: Tom P. Chen