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Catalyst pretreatment and feeding system for polypropylene production |
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Ralph W. Romig, Troy Bretz, Zhihui Gu |
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Scott E. Kufeld |
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Reza Khankal, Anurag Gupta, Enrique Mancillas, Timothy O. Odi |
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| 11833479 |
Catalyst slurry mixing process and system |
Scott E. Kufeld |
2023-12-05 |
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| 11673975 |
System and method for improving dump tank purge time |
Bradley T. Price, Jamie N. Sutherland, Joseph A. Curren |
2023-06-13 |
|
| 11584806 |
Methods for chromium catalyst activation using oxygen-enriched fluidization gas |
Ralph W. Romig, Troy Bretz, Zhihui Gu |
2023-02-21 |
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| 11578145 |
System and method for rapid dump tank heating |
Joseph A. Curren, Ralph W. Romig, Ai-Fu Chang |
2023-02-14 |
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| 11254761 |
Catalyst pretreatment and feeding system for polypropylene production |
Reza Khankal, Joel A. Mutchler, Bryan M. Garner |
2022-02-22 |
|
| 11021549 |
System and method for rapid dump tank heating |
Joseph A. Curren, Ralph W. Romig, Ai-Fu Chang |
2021-06-01 |
|
| 9610558 |
Energy efficient polyolefin process |
Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns +6 more |
2017-04-04 |
|
| 9221920 |
Energy efficient polyolefin process |
Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns +6 more |
2015-12-29 |
|
| 8765884 |
Energy efficient polyolefin process |
Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns +6 more |
2014-07-01 |
|
| 8569433 |
Energy efficient polyolefin process |
Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns +6 more |
2013-10-29 |
|
| 8303899 |
Energy efficient polyolefin process |
Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns +6 more |
2012-11-06 |
|
| 8128877 |
Energy efficient polyolefin process |
Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns +6 more |
2012-03-06 |
|
| 8017701 |
Energy efficient polyolefin process |
Robert R. McElvain, John D. Hottovy, Ralph W. Romig, Donald W. Verser, David H. Burns +6 more |
2011-09-13 |
|
| 7999044 |
System and method for deinventory of polymerization reactor |
John D. Hottovy, John H. Tait, David H. Burns, Donald W. Verser |
2011-08-16 |
|
| 7179426 |
Large catalyst activator |
John D. Hottovy, Dale A. Zellers |
2007-02-20 |
|
| 6815511 |
Continuous withdrawal from high solids slurry polymerization |
Donald W. Verser, David H. Burns, George K. Rajaendran, John D. Hottovy |
2004-11-09 |
|
| 6753387 |
Temperature controlling system for olefin polymerization reactors |
John H. Tait, Rajinder Sharma, Gary A. Marek |
2004-06-22 |
|
| 6045661 |
Process and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluent |
Bruce E. Kreischer, Donald W. Verser |
2000-04-04 |
$45,118,000 |
