Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763710 | Oxychlorination process | Ian Michael Clegg | 1998-06-09 |
| 5728905 | Vinyl chloride production process | Ian Michael Clegg | 1998-03-17 |
| 5663465 | By-product recycling in oxychlorination process | Ian Michael Clegg | 1997-09-02 |