| 4808317 |
Process for continuous contacting of fluids and solids |
Rae A. Schmeda, Holly S. Kibler |
1989-02-28 |
| 4764276 |
Device for continuous contacting of fluids and solids |
Rae A. Schmeda, Holly S. Kibler |
1988-08-16 |
| 4734200 |
Process for removal of fluoride and phosphorus-type contaminants from acidic wastewater |
— |
1988-03-29 |
| 4710364 |
Continuous recovery of sulfur oxide from flue gas |
— |
1987-12-01 |
| 4704262 |
Process for production of dialkali metal phosphates by ion exchange |
— |
1987-11-03 |
| 4704263 |
Production of potassium phosphates by ion exchange |
William R. Erickson |
1987-11-03 |
| 4695387 |
Removal of ammonia from wastewater |
William R. Erickson |
1987-09-22 |
| 4695386 |
Process for the decolorization of pulp mill process streams |
— |
1987-09-22 |
| 4652433 |
Method for the recovery of minerals and production of by-products from coal ash |
Robert A. Ashworth, Larry A. Rodriguez, Antonio A. Padilla, Ned B. Spake, Rae A. Schmeda |
1987-03-24 |
| 4612022 |
Process for increasing the concentration of one component in a multi-component _gaseous mixture |
— |
1986-09-16 |