| # |
Patent
Number |
Patent Title |
| 1 |
2859035 |
SEPARATION OF IRON FROM VALUE METALS IN LEACHING OF LATERITE ORES |
| 2 |
2869251 |
PROCESS FOR EXTRACTION OF RARE EARTH ELEMENTS |
| 3 |
2869158 |
CHLORIDE PROCESS FOR THE LEACHING OF GOLD |
| 4 |
2334511 |
TREATMENT OF ROASTED METAL SULPHIDE ORES AND FERRITES BY LEACHING WITH PEROXYSULPHURIC ACID |
| 5 |
2390906 |
TREATMENT OF FLY ASH |
| 6 |
1306612 |
PROCESS FOR TREATMENT OF FLY ASH |
| 7 |
2772307 |
PRODUCTION OF HIGH PURITY SILICON FROM AMORPHOUS SILICA |
| 8 |
2548225 |
A PROCESS FOR THE RECOVERY OF VALUE METALS FROM MATERIAL CONTAINING BASE METAL OXIDES |
| 9 |
2513309 |
PROCESS FOR THE RECOVERY OF TITANIUM IN MIXED CHLORIDE MEDIA |
| 10 |
2478516 |
A PROCESS FOR THE RECOVERY OF VALUE METALS FROM BASE METAL SULFIDE ORES |
| 11 |
2467288 |
A PROCESS FOR THE RECOVERY OF VALUE METALS FROM MATERIAL CONTAINING BASE METAL OXIDES |
| 12 |
2390906 |
TREATMENT OF FLY ASH |
| 13 |
2347552 |
RECOVERY OF ZINC FROM GALVANIZED COATINGS |
| 14 |
2334511 |
TREATMENT OF ROASTED METAL SULPHIDE ORES AND FERRITES BY LEACHING WITH PEROXYSULPHURIC ACID |
| 15 |
2289967 |
METHODS FOR SEPARATION OF TITANIUM FROM ORE |
| 16 |
2289965 |
METHOD FOR SEPARATION OF METALS FROM ORE |
| 17 |
2245036 |
HYDROMETALLURIGICAL PROCESS FOR RECOVERY OF ZINC |
| 18 |
2240450 |
PROCESS FOR THE TREATMENT OF ROASTED METAL SULPHIDE ORES AND FERRITES |
| 19 |
2237171 |
METHOD OF PURIFYING GOLD |
| 20 |
2154608 |
METHOD OF PURIFYING GOLD |
| 21 |
2127035 |
PROCESS FOR SEPARATING FIBRES FROM COMPOSITE MATERIALS |
| 22 |
2096544 |
PROCESS FOR SEPARATING FIBRES FROM COMPOSITE MATERIALS |
| 23 |
2038708 |
REMOVAL OF BASE METALS AND CYANIDE FROM GOLD-BARREN CIP SOLUTIONS |
| 24 |
1335665 |
BIOADSORPTION COMPOSITION, PROCESS FOR PRODUCTION THEREOF AND PROCESS FOR USE THEREOF |
| 25 |
1306612 |
PROCESS FOR TREATMENT OF FLYASH |
| 26 |
1223791 |
METHOD OF BREAKING A WATER-IN-OIL EMULSION |
| 27 |
1213150 |
RECOVERY OF PRECIOUS METALS |
| 28 |
1125210 |
RECOVERY OF HYDROCARBONS FROM TAR SANDS |
| 29 |
1117278 |
PROCESS FOR TREATMENT OF SELENIUM-BEARING MATERIALS |
| 30 |
1105295 |
NICKEL AND COBALT IRREGULARLY SHAPED GRANULATES |
| 31 |
1091036 |
ROAST-REDUCTIVE LEACH PROCESS FOR COPPER RECOVERY |
| 32 |
1086505 |
ROAST-LEACH COPPER RECOVERY |
| 33 |
1059768 |
COPPER-NICKEL SEPARATION PROCESS |
| 34 |
1056161 |
PRODUCTION OF COBALT FROM COBALT SULFIDE |
| 35 |
1055710 |
NICKEL MATTE REFINING BY OXIDATION |
| 36 |
1040865 |
REFINING OF NICKEL MATTES |
| 37 |
1035545 |
PRODUCTION OF NICKEL OXIDE |
| 38 |
1031969 |
NON-FERROUS METAL RECOVERY FROM DEEP SEA NODULES |
| 39 |
1023952 |
TREATMENT OF OXIDE MATERIALS CONTAINING NON-FERROUS VALUES |
| 40 |
1023560 |
LEACHING OF OXIDE MATERIALS CONTAINING NON-FERROUS VALUES |
| 41 |
1017151 |
PRODUCTION OF NICKELIFEROUS IRON PRODUCTS |
| 42 |
1013576 |
GASEOUS SOLUBILIZATION OF REDUCED METAL VALUES |
| 43 |
1011955 |
PROCESS FOR TREATMENT OF LATERITIC ORES |
| 44 |
1002326 |
ARSENIC REMOVAL FROM NICKEL MATTE |
| 45 |
997570 |
METHOD OF STRIPPING BASE METALS FOR FUSED SALTS |
| 46 |
989179 |
THERMAL UPGRADING OF SEA NODULES |
| 47 |
988306 |
REDUCTION OF NICKEL OXIDE |
| 48 |
965961 |
CONCENTRATION OF NICKEL VALUES IN OXIDIZED ORES |
