Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888157 | Sulphur compounds removal | Peter John Herbert Carnell | 1989-12-19 |
| 4871710 | Agglomerate absorbents comprising copper and zinc for sulphur compounds removal | Peter Wood | 1989-10-03 |
| 4861566 | Desulphurization | — | 1989-08-29 |