Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231229 | Catalytic process for the production of ethyleneamines | Stephen J. Webster | 1993-07-27 |
| 4999329 | Catalyst for the production of polyalkylenepolyamines | Stephen J. Webster | 1991-03-12 |