| Patent No. | Patent Title: |
| 5015452 | Process for synthesis of uniform colloidal particles of rare eart... |
| 5011822 | Preparation of a uniform mixed metal oxide and superconductive ox... |
| 4994253 | Process for the production of large boehmite particles |
| 4986742 | Process for the production of high-grade titanium dioxide by sulf... |
| 4979986 | Rapid oxidation process of carbonaceous and pyritic gold-bearing ... |
| 4976781 | Mineral recovery process |
| 4968503 | Process for the production of sodium dichromate |
| 4966688 | Ore flotation employing amino mercaptothiadiazoles |
| 4966760 | Method for recovering chromium from chromium-bearing material |
| 4965116 | Method for separation of cobalt from nickel |
| 4965057 | Process for producing morphologically improved ceric oxide partic... |
| 4965056 | Methods for preparing lead lanthanum zirconatetitanate powders wi... |
| 4962279 | Kaolin calciner waste heat and feed recovery process |
| 4956159 | Process for recovering gallium trichloride from gallium-containin... |
| 4956154 | Selective removal of chromium, nickel, cobalt, copper and lead ca... |
| 4956340 | Process for preparing compound metal oxides of yttrium, barium an... |
| 4943418 | Method of preparing high-purity manganese compounds |
| 4942023 | Metal extraction process with substituted 8-hydroxyquinoline |
| 4937062 | High surface area metal oxide foams and method of producing the s... |
| 4937148 | Process for preparing conductive fine particles |
| 4937064 | Process of using an improved flue in a titanium dioxide process |
| 4937061 | Aluminum hydroxycarbonate gel |
| 4933154 | Production of ZrO2 powder of very fine particle size |
| 4933153 | Method of preparing a synthetic rutile from a titaniferous slag ... |
| 4929436 | Process for the manufacture of a powder of mixed metal oxides, an... |
| 4925647 | Process for the production of metal oxides or metal mixed oxides |
| 4923686 | Process for the extraction of metal values |
| 4923507 | Process for opening ores |
| 4915930 | Process for producing aluminum hydroxide of improved whiteness |
| 4910000 | Method of extracting tungsten values from tungsten containing ore... |
| 4904638 | Method of producing superconducting ceramics by co-precipitation ... |
| 4902485 | Process for the production of titanium dioxide pigments |
| 4898611 | Polymeric ore agglomeration aids |
| 4895832 | Coprecipitation method for producing superconducting oxides of hi... |
| 4886777 | Process for preparing compound metal oxides |
| 4886654 | Process for producing barium titanates |
| 4885098 | Sonic method for facilitating the removal of solid particles from... |
| 4885144 | Process for purifying molybdenum |
| 4883647 | Use of manganese nodules or deep-sea ores containing manganese fo... |
| 4883532 | Sonic method for facilitating the extraction of minerals from ore... |
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