Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393973 | Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion | Robert Lin, Ruairi Seosamh O'Meadhra, Alan George Wonders | 2008-07-01 |
| 7326807 | Polycarboxylic acid production system with enhanced heating for oxidative digestion | Alan George Wonders, Robert Lin, Leigh A. Alexander | 2008-02-05 |
| 6472557 | Process for recycling polyesters | Michael Paul Ekart, David D. Cornell, Damon Brian Shackelford, Donald Lee Carver | 2002-10-29 |
| 6410607 | Glycolysis process for recycling of post-consumer pet | Michael Paul Ekart, William Speight Murdoch | 2002-06-25 |
| 6211398 | Process for the preparation of dialkyl esters of naphthalenedicarboxylic acids | — | 2001-04-03 |
| 6191177 | Depolymerization apparatus for recycling polyesters | Michael Paul Ekart, David D. Cornell, Damon Bryan Shackelford | 2001-02-20 |
| 6136869 | Depolymerization process for recycling polyesters | Michael Paul Ekart, David D. Cornell, Damon Bryan Shackelford | 2000-10-24 |
| 5635584 | Process including glycolysis and subsequent purification for recycling polyester materials | Michael Paul Ekart | 1997-06-03 |
| 5413681 | Process for the recovery of terephthalic acid and ethylene glycol from poly(ethylene terephthalate) | Gerald Charles Tustin, David A. Jenkins, Mary Therese Jernigan | 1995-05-09 |