Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869011 | Fixed-bed catalytic reactor | — | 1999-02-09 |
| 5597454 | Process for producing urea | — | 1997-01-28 |
| 5520891 | Cross-flow, fixed-bed catalytic reactor | — | 1996-05-28 |
| 5484582 | Process for ammonia recovery in ammonia production | — | 1996-01-16 |
| 5384404 | Process for manufacturing melamine from urea | — | 1995-01-24 |
| 5362454 | High temperature heat exchanger | Lloyd E. Cizmer, Thomas M. O'Connor | 1994-11-08 |
| 5247907 | Process furnace with a split flue convection section | Larry G. Hackemesser, William J. Bracken | 1993-09-28 |
| 5180570 | Integrated process for making methanol and ammonia | Joseph R. LeBlanc | 1993-01-19 |
| 4568532 | Supplemental ammonia synthesis | Gereld S. Benner, Joseph Roger Le Blanc, Harry P. Leftin, Philip Shires, Christiaan P. van Dijk | 1986-02-04 |