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