Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790338 | Electrolytic process for preparing metal sulfonates | George P. Kinstle, Thomas E. Nappier | 2004-09-14 |
| 6468494 | Process for preparing metal nitrates from the corresponding metals | Thomas E. Nappier | 2002-10-22 |
| 6395241 | Process for recovering the carbide metal from metal carbide scrap | George P. Kinstle | 2002-05-28 |
| 4956154 | Selective removal of chromium, nickel, cobalt, copper and lead cations from aqueous effluent solutions | Donald B. Stain | 1990-09-11 |
| 4652431 | Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution | Ralph E. Worthington | 1987-03-24 |
| 4652432 | Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution | Ralph E. Worthington | 1987-03-24 |
| 4588573 | Method for the production of potassium sulfate using sulfuric acid and potassium chloride | Ralph E. Worthington, Donald B. Stain | 1986-05-13 |
| 4554139 | Process for producing and decomposing syngenite | Ralph E. Worthington | 1985-11-19 |
| 4554151 | Process for producing K.sub.3 H(SO.sub.4).sub.2 crystals and potassium sulfate crystals | Ralph E. Worthington, Donald B. Stain | 1985-11-19 |
| 4490336 | Process for stripping uranium from an alkyl pyrophosphoric acid | Ralph E. Worthington | 1984-12-25 |
| 4385037 | Concentrated sulphuric acid treatment of an alkylphenyl acid phosphate extractant | Sandra L. Paris, Ralph E. Worthington | 1983-05-24 |
| 4325918 | Deprotonation of an alkylphenyl acid phosphate extractant | Donald A. Luke, Sandra L. Paris, Ralph E. Worthington | 1982-04-20 |