Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11447576 | Cellulose ester compositions derived from recycled plastic content syngas | William Lewis Trapp | 2022-09-20 |
| 10465490 | Well treatment fiber delivery system | Nick Allen Collins, S. M. Rezaul Islam, Brian Douglas Seiler, Steven Anthony Wilson | 2019-11-05 |
| 9505692 | Dicarboxylic acid production with self-fuel oxidative destruction | Raymond E. Fogle, Timothy Alan Upshaw, Alan George Wonders | 2016-11-29 |
| 9493389 | Dicarboxylic acid production with enhanced energy recovery | Raymond E. Fogle, Timothy Alan Upshaw, Alan George Wonders | 2016-11-15 |
| 9493388 | Dicarboxylic acid production with direct fired off-gas heating | Raymond E. Fogle, Timothy Alan Upshaw, Alan George Wonders | 2016-11-15 |
| 9493387 | Dicarboxylic acid production with minimal wastewater generation | Raymond E. Fogle, Timothy Alan Upshaw, Alan George Wonders | 2016-11-15 |
| 8236921 | Integrated co-production of dicarboxylic acids | Raymond E. Fogle, Timothy Alan Upshaw, Alan George Wonders | 2012-08-07 |
| 8053597 | Enriched terephthalic acid composition | Philip Edward Gibson, Kenny Randolph Parker | 2011-11-08 |
| 7884233 | Enriched terephthalic acid composition | Philip Edward Gibson, Kenny Randolph Parker | 2011-02-08 |
| 7816556 | Polycarboxylic acid production system employing enhanced multistage oxidative digestion | Alan George Wonders, Thomas Earl Woodruff, 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, Thomas Earl Woodruff, Martin De Boer, Raymond E. Fogle, Philip Edward Gibson +1 more | 2010-08-10 |
| 7714094 | Simplified isophthalic acid process for modifying PET | Brent Alan Tennant | 2010-05-11 |
| 7566802 | Process for energy recovery and water removal in the preparation of aromatic carboxylic acids | Timothy Alan Upshaw | 2009-07-28 |
| 7557243 | Enriched terephthalic acid composition | Philip Edward Gibson, Kenny Randolph Parker | 2009-07-07 |
| 7501537 | Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange | Alan George Wonders, Martin De Boer, Raymond E. Fogle, Marcel de Vreede | 2009-03-10 |
| 7491369 | Oxidation system with internal secondary reactor | Alan George Wonders, Thomas Earl Woodruff, Wayne Scott Strasser | 2009-02-17 |
| 7485747 | Two stage oxidation process for the production of aromatic dicarboxylic acids | Charles Edwan Sumner, Jr., Brent Alan Tennant | 2009-02-03 |
| 7432395 | Enriched carboxylic acid composition | Philip Edward Gibson, Kenny Randolph Parker | 2008-10-07 |
| 7420082 | Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion | Alan George Wonders, Martin De Boer | 2008-09-02 |
| 7358389 | Oxidation system employing internal structure for enhanced hydrodynamics | Alan George Wonders, Thomas Earl Woodruff, Wayne Scott Strasser | 2008-04-15 |
| 7358392 | Process for the oxidative purification of terephthalic acid | Brent Alan Tennant, Thomas Earl Woodruff, Robert Lin, Ruairi Seosamh O'Meadhra | 2008-04-15 |
| 7355068 | Oxidation system with internal secondary reactor | Alan George Wonders, Thomas Earl Woodruff, Wayne Scott Strasser | 2008-04-08 |
| 7326808 | Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system | Alan George Wonders, Martin De Boer, Lee Reynolds Partin, Raymond E. Fogle | 2008-02-05 |
| 7196215 | Process for the production of purified terephthalic acid | Robert Lin, Ruairi Seosamh O'Meadhra | 2007-03-27 |
| 7161027 | Process for the oxidative purification of terephthalic acid | Brent Alan Tennant, Thomas Earl Woodruff, Robert Lin | 2007-01-09 |