Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11999975 | Method for purifying an enveloped virus | Volker Sandig, Sven Krügener | 2024-06-04 |
| 11230614 | Methods for making polyethylene polymers | Brandon C. Locklear, Haiqing Peng, Bruce J. Savatsky, James M. Farley, Daniel P. Zilker, Jr. +2 more | 2022-01-25 |
| 11186654 | Methods for controlling start up conditions in polymerization processes | Bruce J. Savatsky, Richard E. Pequeno, Robert O. Hagerty, Richard B. Pannell, Eric J. Markel +2 more | 2021-11-30 |
| 8586685 | Polymerization reaction system | F. David Hussein, Ping Cai, Mark W. Blood | 2013-11-19 |
| 8433443 | Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events | Robert O. Hagerty, Ian D. Burdett, Marc L. DeChellis, F. David Hussein, Eric J. Markel +2 more | 2013-04-30 |
| 8383739 | Systems and methods for monitoring a polymerization reaction | Richard B. Pannell, Eric J. Markel, Robert O. Hagerty | 2013-02-26 |
| 8192690 | Methods and devices for polymerization | Agapios K. Agapiou, David M. Glowczwski, Zerong Lin, Gary D. Mohr, Ted A. Powell +5 more | 2012-06-05 |
| 8148481 | Method for seed bed treatment for a polymerization reaction | F. David Hussein, Mark G. Goode, David A. Yahn, Robert O. Hagerty | 2012-04-03 |
| 8129481 | Methods for applying solution catalysts to reactor surfaces | Robert O. Hagerty, Kevin B. Stavens, Randall B. Laird, Zerong Lin, Agapios K. Agapiou +7 more | 2012-03-06 |
| 8088870 | Methods for applying solution catalysts to reactor surfaces | Robert O. Hagerty, Kevin B. Stavens, Randall B. Laird, Zerong Lin, Agapios K. Agapiou +7 more | 2012-01-03 |
| 8084554 | Methods and devices for polymerization | Agapios K. Agapiou, David M. Glowczwski, Zerong Lin, Gary D. Mohr, Ted A. Powell +5 more | 2011-12-27 |
| 7985811 | Method for controlling sheeting in gas phase reactors | Robert O. Hagerty, Agapios K. Agapiou, Chi-I Kuo, Mark G. Goode, F. David Hussein +2 more | 2011-07-26 |
| 7947797 | Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness | Robert O. Hagerty | 2011-05-24 |
| 7910668 | Method for on-line determination of degree or onset of resin stickiness using acoustic data | Richard B. Pannell, Eric J. Markel, Robert O. Hagerty | 2011-03-22 |
| 7846736 | Method for polymerization reaction monitoring with determination of entropy of monitored data | Ke Nguyen, Charles E. A. Finney, C. Stuart Daw | 2010-12-07 |
| 7808227 | Systems and methods for detecting impurities in reactor systems | Eric J. Markel, Robert O. Hagerty | 2010-10-05 |
| 7799876 | Method and apparatus for controlling static charge in polyolefin reactors | Eric J. Markel, Robert O. Hagerty, F. David Hussein, Richard B. Pannell | 2010-09-21 |
| 7307130 | Polymerization reactor operability using static charge modifier agents | Brant Patrick, Matt Kuchta | 2007-12-11 |
| 7226789 | Method of applying non-linear dynamics to control a gas-phase polyethylene reactor operability | Ke Nguyen, Charles E. A. Finney, Stuart C. Daw | 2007-06-05 |
| 6995217 | Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts | Agapios K. Agapiou, Robert O. Hagerty, F. David Hussein, Richard B. Pannell, Kathryn Ann Russell +2 more | 2006-02-07 |
| 6949612 | Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts | Agapios K. Agapiou, Robert O. Hagerty, F. David Hussein, Richard B. Pannell, Kathryn Ann Russell +2 more | 2005-09-27 |
| 6914027 | Polymerization reactor operability using static charge modifier agents | Brant Patrick, Matt Kuchta | 2005-07-05 |
| 6870023 | Reactor wall coating and processes | Porter C. Shannon, Fred D. Ehrman | 2005-03-22 |
| 6858684 | Processes for transitioning between various polymerization catalysts | Ian D. Burdett, Ping Cai, Ronald S. Eisinger, Mark G. Goode, F. David Hussein +2 more | 2005-02-22 |
| 6831140 | Static measurement and detection in a gas phase polyethylene reactor | Robert O. Hagerty, John F. Szul, Mark G. Goode, Laurence G. Britton | 2004-12-14 |