Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4568531 | Ammonia purge gas conversion | Christiaan P. van Dijk, Bernard G. Mandelik | 1986-02-04 |
| 4407973 | Methanol from coal and natural gas | Christiaan P. van Dijk, Jerry M. Rovner | 1983-10-04 |