Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912275 | Process for depolymerizing polyester | Stephen Hall, Robert E. Michel, Donald Richard Wheatcraft, Jr., George Malcolm Williamson | 1999-06-15 |
| 5391263 | Process for the separation of glycols from dimethyl terephthalate | Robert E. Michel, Robert E. Trotter | 1995-02-21 |