Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933288 | System and process for flushing residual fluid from transfer lines in simulated moving bed adsorption | — | 2015-01-13 |
| 8916740 | Energy conservation in heavy-hydrocarbon distillation | Gregory R. Werba, David W. Ablin | 2014-12-23 |
| 8877014 | Split-shell fractionation columns and associated processes for separating aromatic hydrocarbons | David W. Ablin | 2014-11-04 |
| 8840762 | Energy conservation in heavy-hydrocarbon distillation | Gregory R. Werba, David W. Ablin | 2014-09-23 |
| 8841503 | Product recovery from adsorption-separation purge fluids | James W. Harris, Lewis H. Pettengill | 2014-09-23 |
| 8822747 | Combined xylene isomerization and transalkylation process unit | David W. Ablin, David W. Liu | 2014-09-02 |
| 8802914 | Process and apparatus for para-xylene production using multiple adsorptive separation units and a split fractionating column | — | 2014-08-12 |
| 8754281 | Energy conservation in heavy-hydrocarbon distillation | Gregory R. Werba, Zin X. Zhu, David W. Ablin, Saadet Ulas Acikgoz | 2014-06-17 |
| 8752566 | Method for rotary valve operation to reduce seal sheet wear | — | 2014-06-17 |
| 8716545 | Methods and apparatuses for separating toluene from multiple hydrocarbon streams | David W. Ablin | 2014-05-06 |
| 8697928 | Process and apparatus for para-xylene production using multiple adsorptive separation units | — | 2014-04-15 |
| 8609922 | Energy conservation in heavy-hydrocarbon distillation | Gregory R. Werba, Xin X. Zhu, Phillip F. Daly, Saadet Ulas Acikgoz, David W. Ablin | 2013-12-17 |
| 8558049 | Process and apparatus for para-xylene production using multiple adsorptive separation units and multiple adsorptive bed feed points | Sara A. Williams, Stanley J. Frey | 2013-10-15 |
| 8431758 | Processes for increasing the overall aromatics and xylenes yield in an aromatics complex | Stanley J. Frey, Gregory R. Werba | 2013-04-30 |
| 8178061 | Propylene recovery during regeneration of an oxygenate removal unit | — | 2012-05-15 |
| 8178060 | Dividing wall fractionation in integrated oxygenate conversion and product cracking | Adam J. Kanyuh | 2012-05-15 |
| 7960600 | Process for improved meta-xylene yield from C8 aromatics | Stanley J. Frey, Richard S. Kempf, David W. Liu | 2011-06-14 |
| 7935650 | Neutralization of quench stream in a process for handling catalyst from an oxygenate-to-olefin reaction | Lawrence W. Miller | 2011-05-03 |
| 7897827 | Propylene recovery during regeneration of an oxygenate removal unit | — | 2011-03-01 |
| 7737317 | Fractionation recovery processing of FCC-produced light olefins | Michael A. Schultz | 2010-06-15 |
| 7604719 | In situ generation of hydrogen peroxide | Kurt M. Vanden Bussche, Anil R. Oroskar, Gavin P. Towler, Rusty M. Pittman | 2009-10-20 |
| 7011759 | Vessel head-flush process | — | 2006-03-14 |