Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202949 | System and method for measuring pressure and flow in a loop reactor | Robert R. McElvain, Larry W. Ezell, Anurag Gupta | 2012-06-19 |
| 8187547 | Methods and systems for controlling polymer particle size | Gregory G. Hendrickson | 2012-05-29 |
| 8128877 | Energy efficient polyolefin process | Robert R. McElvain, Ralph W. Romig, Donald W. Verser, David H. Burns, John H. Tait +6 more | 2012-03-06 |
| 8058367 | Methods and systems for controlling polymer particle size | Gregory G. Hendrickson | 2011-11-15 |
| 8017701 | Energy efficient polyolefin process | Robert R. McElvain, Ralph W. Romig, Donald W. Verser, David H. Burns, John H. Tait +6 more | 2011-09-13 |
| 7999044 | System and method for deinventory of polymerization reactor | John H. Tait, David H. Burns, Donald W. Verser, James E. Hein | 2011-08-16 |
| 7736597 | Pumping apparatus and process for polymerization in loop reactors | Dale A. Zellers, Robert Franklin, Donald Paul Russell | 2010-06-15 |
| 7645841 | Method and system to reduce polymerization reactor fouling | Benjamin Milton Shaw, Dale A. Zellers | 2010-01-12 |
| 7615596 | Multiple component feed methods and systems | David H. Burns, Donald W. Verser, Elizabeth A. Benham, Max P. McDaniel, Dale A. Zellers +7 more | 2009-11-10 |
| 7547750 | Apparatus and method for removing polymer solids from slurry loop reactor | Robert R. McElvain, David H. Burns, Donald W. Verser, Anurag Gupta, Ralph W. Romig | 2009-06-16 |
| 7524904 | Process and apparatus for separating polymer solids, hydrocarbon fluids, and purge gas | Donald W. Verser, David H. Burns | 2009-04-28 |
| 7517947 | Polymer transfer within a polymerization system | Robert R. McElvain, Bryan M. Garner, Gregory G. Hendrickson, John H. Tait | 2009-04-14 |
| 7179426 | Large catalyst activator | James E. Hein, Dale A. Zellers | 2007-02-20 |
| 7109290 | Polymer transfer within a polymerization system | Robert R. McElvain, Bryan M. Garner, Gregory G. Hendrikson, John H. Tait | 2006-09-19 |
| 7037980 | Monovinylarene/conjugated diene copolymers having lower glass transition temperatures | Nathan E. Stacy, Larry L. Nash | 2006-05-02 |
| 7033545 | Slurry polymerization reactor having large length/diameter ratio | Scott E. Kufeld, Thomas Alan Reid, John H. Tait, David H. Burns, Donald W. Verser +5 more | 2006-04-25 |
| 7014821 | Pumping apparatus for slurry polymerization in loop reactors | Dale A. Zellers, Robert Franklin | 2006-03-21 |
| 7015289 | Process and apparatus for reducing take-off valve plugging in a polymerization process | Dale A. Zellers, Randy L. Hagenson | 2006-03-21 |
| 7005485 | Process for producing polyolefins | David H. Burns, Donald W. Verser, Michael Carter, Robert Bohmer | 2006-02-28 |
| 6967230 | Process for producing polyolefins | Michael Carter, Robert Bohmer, Scott E. Kufeld, David H. Burns, Donald W. Verser +1 more | 2005-11-22 |
| 6815511 | Continuous withdrawal from high solids slurry polymerization | Donald W. Verser, David H. Burns, James E. Hein, George K. Rajaendran | 2004-11-09 |
| 6806324 | High solids slurry polymerization using heat exchange to condense the flashed diluent | Harvey Hensley, David Przelomski, Teddy Cymbaluk, Robert Franklin, Ethelwoldo Perez | 2004-10-19 |
| 6743869 | High polymer solids slurry polymerization employing 1-olefin comonomer | Robert Franklin, Harvey Hensley, David Przelomski, Teddy Cymbaluk, Ethelwoldo Perez | 2004-06-01 |
| 6262191 | Diluent slip stream to give catalyst wetting agent | David H. Burns, Scott E. Kufeld, Timothy Roetman, Ragavan Vaidyanathan | 2001-07-17 |
| 6239235 | High solids slurry polymerization | Harvey Hensley, David Przelomski, Teddy Cymbaluk, Robert Franklin, Ethelwoldo Perez | 2001-05-29 |