Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540511 | Defoamer and processing aid for wet process phosphoric acid | Alfred Johannes Dieterman, Luba Knazko | 1985-09-10 |
| 4317748 | Process for the preparation of supported nickel catalysts | John Torok, Roland Hendrick Riem, Wing Sze CHEUNG | 1982-03-02 |