Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12050444 | Gas phase polymerization process control using projected disturbance variables and nonlinear dynamic models | Donald Alexander Morrow, Jr., Mark L. Nelson | 2024-07-30 |
| 9023958 | Methods and systems for catalyst delivery | Dale Allen Wright, James L. Swecker, II, Mark G. Goode | 2015-05-05 |
| 8862438 | Method for improving the prediction of polymer properties | Jeffrey B. Drabish, Marcel Schaefer, Ivan J. Hartley, Paul K. Samples, Mark L. Nelson | 2014-10-14 |
| 8742035 | Method of controlling a polymerization reactor | Paul K. Samples, Ivan J. Hartley, Jeffrey B. Drabish | 2014-06-03 |
| 8354481 | Method of controlling a polymerization reactor | Paul K. Samples, Ivan J. Hartley, Jeffrey B. Drabish | 2013-01-15 |
| 8293853 | Raw material efficiency method and process | Jeffrey B. Drabish, Oscar M. Longoria, JR., James L. Swecker, II | 2012-10-23 |
| 8093341 | Method of controlling a polymerization reactor | Paul K. Samples, Ivan J. Hartley, Jeffrey B. Drabish | 2012-01-10 |
| 8071699 | Methods of controlling properties in multimodal systems | Mark L. Nelson | 2011-12-06 |
| 8032328 | Process monitoring technique and related actions | Paul K. Samples, Debbie D. Rath, Thomas J. McNeil | 2011-10-04 |
| 7625987 | Gas phase polymerization and method of controlling same | Glenn A. Lambert, Daniel N. Thomas, Jr. | 2009-12-01 |
| 7343225 | Method for reducing off-grade product production during reaction transitions | Ivan J. Hartley, Rich John Stolz | 2008-03-11 |
| 6988022 | Method for online estimation of reactor split for multimodal polyolefins | William Sachs, Mark G. Goode, Jeffrey B. Drabish | 2006-01-17 |
| 6846884 | Control of resin properties | Ivan J. Hartley, Lonnie L. Pinson | 2005-01-25 |
| 6498220 | Reactor product discharge system | Ivan J. Hartley, Guadalupe Garcia Leal | 2002-12-24 |
| 6472483 | Dry product discharge from a gas phase polymerization reactor operating in the condensing mode | Mark G. Goode, Mark W. Blood, Timothy Joseph Howley, Billy J. Garner, Robert Darrell Olson +2 more | 2002-10-29 |
| 6365681 | Preventing upsets in polymerization reactors | Ivan J. Hartley, Paul K. Samples, Darrell James Long | 2002-04-02 |
| 6255411 | Reactor product discharge system | Ivan J. Hartley, Guadalupe Garcia Leal | 2001-07-03 |
| 6063877 | Control of gas phase polymerization reactions | Harvey Gene Kocian, David Merrill Rebhan, Thomas Walter Pilgram | 2000-05-16 |
| 5990250 | Method of fluidized bed temperature control | August Joseph Boldt, Thomas J. McNeil, Ivan J. Hartley | 1999-11-23 |
| 5844054 | Process control in the presence of chromium based catalysts | Paul K. Samples, William A. Matthews, Ivan J. Hartley, Kiu H. Lee | 1998-12-01 |
| 5627242 | Process for controlling gas phase fluidized bed polymerization reactor | Lance L. Jacobsen, Kiu H. Lee | 1997-05-06 |
| 5589630 | Fast gas chromatography method, apparatus and applications | Patrick M. Wiegand, John F. Fisher, Elizabeth Ballard, Courtland P. Sears, III, George W. Schwarz, Jr. +1 more | 1996-12-31 |