Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281311 | Process for reducing the acid content of hydroxylamine salt solutions and for preparing hydroxylamines from hydroxylamine salts | Hossein Sharifian | 1994-01-25 |
| 4938854 | Method for purifying quaternary ammonium hydroxides | Hossein Sharifian | 1990-07-03 |
| 4931155 | Electrolytic reductive coupling of quaternary ammonium compounds | John S. Dutcher, Hossein Sharifian | 1990-06-05 |
| 4917781 | Process for preparing quaternary ammonium hydroxides | Hossein Sharifian | 1990-04-17 |
| 4714530 | Method for producing high purity quaternary ammonium hydroxides | Cecil H. Hale, Bryan M. Hale | 1987-12-22 |