Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281071 | Systems and methods for enhancing the recovery of styrene | Douglas S. Hubbell | 2025-04-22 |
| 10518236 | Systems for heating multi-tubular reactors | John B. Kessler, John Andrews, Michael S. Groves | 2019-12-31 |
| 9844763 | Method of preheating dehydrogenation reactor feed | — | 2017-12-19 |
| 9725379 | Method for reducing energy consumption in a process to produce styrene via dehydrogenation of ethylbenzene | — | 2017-08-08 |
| 9714203 | Method for reducing energy consumption in the production of styrene monomer utilizing azeotropic water/ethylbenzene feed vaporization | Vincent A. Welch | 2017-07-25 |
| 8193404 | Use of a direct heating device with a reheater in a dehydrogenation unit | Vincent A. Welch | 2012-06-05 |
| 8084660 | Use of direct heating device with a reheater in a dehydrogenation unit | Vincent A. Welch | 2011-12-27 |
| 7922980 | EB/SM splitter heat recovery | Vincent A. Welch, Leslie F. Whittle | 2011-04-12 |
| 7642390 | EB/SM splitter heat recovery | Vincent A. Welch, Leslie F. Whittle | 2010-01-05 |
| 5739071 | Method and apparatus for regeneratinig and stabilizing dehydrogenation catalysts | Shiou-Shan Chen, Shyh-Yuan H. Hwang, Sanjeev Ram, Joseph C. Peters | 1998-04-14 |
| 5695724 | Regeneration and stabilization of dehydrogenation catalyst | Shiou-Shan Chen, Shyh-Yuan H. Hwang, Sanjeev Ram | 1997-12-09 |
| 5686369 | Method and apparatus for treating dehydrogenation catalysts | Shiou-Shan Chen, Shyh-Yuan H. Hwang, Sanjeev Ram | 1997-11-11 |
| 5461179 | Regeneration and stabilization of dehydrogenation catalysts | Shiou-Shan Chen, Shyh-Yuan H. Hwang, Sanjeev Ram | 1995-10-24 |