Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108726 | Compacts of spray dried water soluble compounds | Roger A. Baldwin | 1992-04-28 |
| 4746498 | Process for reducing gaseous sulfur dioxide content of flue gases by preheating coals prior to burning such coals and by controlling combustion temperature levels | John O. Bodman, John Campbell | 1988-05-24 |
| 4702899 | Process for treating coal to reduce sulfur content in flue gases produced by coal combustion | Roger A. Baldwin, Paul R. Graham | 1987-10-27 |
| 4645654 | Reducing sulfur content in flue gases produced by coal combustion | — | 1987-02-24 |
| 4483828 | Method of producing manganese sulfate solutions of improved purity | William C. Laughlin, Paul D. Bowerman, Theodore A. Rado | 1984-11-20 |
| 4436681 | Process for producing iron oxide weighting material from iron chloride solutions | Haywood A. Perkins, O. L. Daigle | 1984-03-13 |