Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921520 | Process for upgrading raw phosphate ore | — | 2005-07-26 |
| 6169222 | Remediation of soil polluted with phosphorus-containing wastes | — | 2001-01-02 |
| 6051201 | Preparation of phosphatic feedstock from phosphorus-containing waste | — | 2000-04-18 |
| 5549878 | Processes for the disposal and recovery of phossy water | — | 1996-08-27 |
| 5447637 | Process for the disposal and recovery of phossy water | — | 1995-09-05 |
| 4968499 | Conversion of precipitator dust into phosphorus furnace feedstock | — | 1990-11-06 |
| 4919906 | Processes and equipment for production of elemental phosphorus and thermal phosphoric acid | — | 1990-04-24 |
| 4765822 | Recovery of fluorine from waste gases | — | 1988-08-23 |
| 4670240 | Energy conservation during the smelting of ores | — | 1987-06-02 |
| 4656020 | Production of phosphorus and phosphoric acid | — | 1987-04-07 |
| 4649035 | Production of phosphorus and phosphoric acid | — | 1987-03-10 |
| 4623528 | Recovery of fluorine from waste gases | — | 1986-11-18 |
| 4619819 | Phosphoric acid composition | — | 1986-10-28 |
| 4613494 | Recovery of fluorine from waste gases | — | 1986-09-23 |
| 4608241 | Production of phosphorus and phosphoric acid | — | 1986-08-26 |
| 4537615 | Fertilizer from phosphorus furnace waste stream | — | 1985-08-27 |
| 4529439 | Energy conservation during the smelting of ores | — | 1985-07-16 |
| 4514366 | Production of fluid fertilizer from phosphorus furnace waste stream | — | 1985-04-30 |
| 4451277 | Production of fluid fertilizer from phosphorus furnace waste stream | — | 1984-05-29 |
| 4421521 | Process for agglomerating carbon particles | — | 1983-12-20 |
| 4383847 | Production of fluid fertilizer from phosphorus furnace waste stream | — | 1983-05-17 |
| 4373893 | Bench scale drum agglomerator and power means | — | 1983-02-15 |
| 4372929 | Energy conservation and pollution abatement at phosphorus furnaces | — | 1983-02-08 |