The Doe Run Company
Patent Applications and Registrations
Patent applications and USPTO patent grants for The Doe Run Company.The latest application filed is for "process for the recovery of cobalt from ores containing metal sulfides".
- The Doe Run Company - St. Louis MO
| Patent | Date |
|---|---|
| Process for the recovery of cobalt from ores containing metal sulfides Grant 5,925,862 - Morrisey, IV , et al. July 20, 1 | 1999-07-20 |
| Sequential and selective flotation of sulfide ores Grant 5,074,994 - Ray , et al. December 24, 1 | 1991-12-24 |
| NCAGE Code | 0VT05 | DOE RUN CO THE |
| NCAGE Code | 1EAA9 | DOE RUN CO THE |
| CAGE Code | 0VT05 | DOE RUN CO THE |
| CAGE Code | 1EAA9 | DOE RUN CO THE |
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