Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698734 | Process for the production of purified terephthalic acid | John A. Turner, David Parker, Ian Peter Milne | 1997-12-16 |
| 5679846 | Process for the production of terephalic acid | John A. Turner, Alan Macpherson Ure | 1997-10-21 |