73478478
May 3, 1984
Feb 12, 1985
Chemicals for the Mining Industry-Namely, Industrial Chemicals-Namely, Sodium Ethyl Xanthate, Potassium Amyl Xanthate, Sodium Amyl Xanthate, Sodium Isopropyl Xanthate, Isopropyl Ethyl Thionocarbamate, Nonionic Polyacrylamide, Anionic Polyacrylamide, Sodium Hydrosulfide Solutions, Ammonium Sulfide Solution, Sodium Bisulfite Solution and Filtration Aiding Compositions
Chemicals