Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299939 | Method of preparing a diaphragm for an electrolytic cell | Donald W. DuBois | 2001-10-09 |
| 6296745 | Method of operating chlor-alkali electrolytic cells | Donald W. DuBois | 2001-10-02 |
| 6059944 | Diaphragm for electrolytic cell | Donald W. DuBois, Jerry N. Kinney | 2000-05-09 |
| 5630930 | Method for starting a chlor-alkali diaphragm cell | — | 1997-05-20 |
| 5567298 | Method of operating chlor-alkali cells | Donald W. DuBois, Stanley R. Pickens | 1996-10-22 |
| 5188712 | Diaphragm for use in chlor-alkali cells | Colonel R. Dilmore | 1993-02-23 |
| 4636376 | Sulfate removal from alkali metal chlorate solutions | John E. Carbaugh | 1987-01-13 |
| 4360412 | Treatment of permionic membrane | — | 1982-11-23 |