Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283046 | Method for re-use of aqueous co-product from manufacture of sodium dithionite | Joseph L. Bush, Leonard C. Ellis | 1994-02-01 |
| 5034210 | Method of reducing ethylene oxide emissions | Joseph L. Bush | 1991-07-23 |
| 4973471 | Method for producing dust-free sodium dithionite | Joseph L. Bush | 1990-11-27 |
| 4622216 | Treatment of sodium dithionite reaction mixture | Joseph L. Bush, Daniel D. Dickens | 1986-11-11 |
| 4328366 | Treatment of waste stream from pentaerythritol production | Leonard C. Ellis | 1982-05-04 |
| 4218429 | Production of alkali metal dithionites from sulfur dioxide, alkali metal formates, and slurried bisulfite compounds at high reactant concentrations | Logan C. Bostian | 1980-08-19 |