Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316736 | Process for preparing stabilized, ammonium nitrate containing granules | Willy H. P. Van Hijfte | 1982-02-23 |
| 4241692 | Coating drum | Willy H. P. Van Hijfte | 1980-12-30 |
| 4220463 | Ammonium nitrate containing fertilizer bodies having improved properties during storage and transportation | Willy H. P. Van Hijfte, Anton Niks, Gerardus F. vander Sijpt | 1980-09-02 |
| 4219589 | Process for urea granulation | Anton Niks, Willy H. P. Van Hijfte | 1980-08-26 |