Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8153840 | Oxidation system with sidedraw secondary reactor | Alan George Wonders | 2012-04-10 |
| 7884232 | Optimized liquid-phase oxidation | Alan George Wonders, Thomas Young Lightfoot, Charles Helton Hitchcock, David Denton, Carl McCurry | 2011-02-08 |
| 7829037 | Oxidation system with sidedraw secondary reactor | Alan George Wonders | 2010-11-09 |
| 7816556 | Polycarboxylic acid production system employing enhanced multistage oxidative digestion | Alan George Wonders, Ronald Buford Sheppard, Martin De Boer, Raymond E. Fogle | 2010-10-19 |
| 7772424 | Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion | Alan George Wonders, Ronald Buford Sheppard, Martin De Boer, Raymond E. Fogle, Philip Edward Gibson +1 more | 2010-08-10 |
| 7683210 | Optimized liquid-phase oxidation | Alan George Wonders, Thomas Young Lightfoot, Charles Helton Hitchcock, David Denton, Carl McCurry | 2010-03-23 |
| 7586000 | Optimized liquid-phase oxidation | Alan George Wonders, Thomas Young Lightfoot, Charles Edwan Sumner, Jr., Ernest Arnold, Eric J. Fugate +3 more | 2009-09-08 |
| 7491369 | Oxidation system with internal secondary reactor | Alan George Wonders, Ronald Buford Sheppard, Wayne Scott Strasser | 2009-02-17 |
| 7358392 | Process for the oxidative purification of terephthalic acid | Ronald Buford Sheppard, Brent Alan Tennant, Robert Lin, Ruairi Seosamh O'Meadhra | 2008-04-15 |
| 7358389 | Oxidation system employing internal structure for enhanced hydrodynamics | Alan George Wonders, Ronald Buford Sheppard, Wayne Scott Strasser | 2008-04-15 |
| 7355068 | Oxidation system with internal secondary reactor | Alan George Wonders, Ronald Buford Sheppard, Wayne Scott Strasser | 2008-04-08 |
| 7342128 | Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam | Robert Lin, Marcel de Vreede, Johannes Wilhelmus Sluijmers, Martin De Boer | 2008-03-11 |
| 7161027 | Process for the oxidative purification of terephthalic acid | Ronald Buford Sheppard, Brent Alan Tennant, Robert Lin | 2007-01-09 |
| 7074954 | Process for the oxidative purification of terephthalic acid | Ronald Buford Sheppard, Brent Alan Tennant, Robert Lin | 2006-07-11 |
| 4605763 | Process for the purification of terephthalic acid | Judy E. Kiefer, William V. Phillips | 1986-08-12 |