Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975839 | Paraxylene extraction of purification mother liquor with heat integration | Antony P. J. Limbach | 2018-05-22 |
| 9149736 | Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid | — | 2015-10-06 |
| 9133091 | Production of aromatic carboxylic acids | — | 2015-09-15 |
| 8686186 | Methods, processes, and systems for treating and purifying crude terephthalic acid and associated process streams | — | 2014-04-01 |
| 5980696 | Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid | William D. Parten | 1999-11-09 |
| 5877346 | Process for the production of terephthalic acid | Eric Hindmarsh, John A. Turner | 1999-03-02 |
| 5679846 | Process for the production of terephalic acid | Eric Hindmarsh, John A. Turner | 1997-10-21 |
| 5643468 | Method and apparatus for displacing liquor from a slurry of particulate solid material | — | 1997-07-01 |
| 5563293 | Process for the production of terephthalic acid | Eric Hindmarsh, John A. Turner | 1996-10-08 |
| 5527957 | Process for the production of terephthalic acid | Eric Hindmarsh, John A. Turner | 1996-06-18 |