Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8862438 | Method for improving the prediction of polymer properties | Jeffrey B. Drabish, John R. Parrish, Marcel Schaefer, Paul K. Samples, Mark L. Nelson | 2014-10-14 |
| 8742035 | Method of controlling a polymerization reactor | Paul K. Samples, John R. Parrish, Jeffrey B. Drabish | 2014-06-03 |
| 8354481 | Method of controlling a polymerization reactor | Paul K. Samples, John R. Parrish, Jeffrey B. Drabish | 2013-01-15 |
| 8093341 | Method of controlling a polymerization reactor | John R. Parrish, Paul K. Samples, Jeffrey B. Drabish | 2012-01-10 |
| 7343225 | Method for reducing off-grade product production during reaction transitions | John R. Parrish, Rich John Stolz | 2008-03-11 |
| 6846884 | Control of resin properties | John R. Parrish, Lonnie L. Pinson | 2005-01-25 |
| 6498220 | Reactor product discharge system | Guadalupe Garcia Leal, John R. Parrish | 2002-12-24 |
| 6384157 | Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization | Ping Cai, Kiu H. Lee, Lance L. Jacobsen | 2002-05-07 |
| 6365681 | Preventing upsets in polymerization reactors | John R. Parrish, Paul K. Samples, Darrell James Long | 2002-04-02 |
| 6255411 | Reactor product discharge system | Guadalupe Garcia Leal, John R. Parrish | 2001-07-03 |
| 5990250 | Method of fluidized bed temperature control | John R. Parrish, August Joseph Boldt, Thomas J. McNeil | 1999-11-23 |
| 5844054 | Process control in the presence of chromium based catalysts | Paul K. Samples, William A. Matthews, John R. Parrish, Kiu H. Lee | 1998-12-01 |