Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5866622 | Recovery of polyester from contaminated polyester waste | William Duke Everhart, Kamel Makar | 1999-02-02 |
| 5142097 | Recovery and recycle of acetic acid in an oxidation process | Robert E. Michel | 1992-08-25 |
| 4734309 | Form of solid dimethylterephthalate | Mark S. Katzenberger, Robert E. Michel | 1988-03-29 |