Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, David H. Burns, Donald W. Verser, James E. Hein | 2011-08-16 |
| 7629421 | Monomer recovery by returning column overhead liquid to the reactor | Robert Steven Murphy, Michael A. Watts, Anurag Gupta | 2009-12-08 |
| 7517947 | Polymer transfer within a polymerization system | Robert R. McElvain, John D. Hottovy, Bryan M. Garner, Gregory G. Hendrickson | 2009-04-14 |
| 7109290 | Polymer transfer within a polymerization system | Robert R. McElvain, John D. Hottovy, Bryan M. Garner, Gregory G. Hendrikson | 2006-09-19 |
| 7033545 | Slurry polymerization reactor having large length/diameter ratio | Scott E. Kufeld, Thomas Alan Reid, David H. Burns, Donald W. Verser, Harvey Hensley +5 more | 2006-04-25 |
| 6953553 | Process and apparatus for separating diluent from polymer solids | Thomas Alan Reid, Scott E. Kufeld, David H. Burns, Donald W. Verser | 2005-10-11 |
| 6838531 | Process and apparatus for separating diluent from polymer solids | Thomas Alan Reid, Scott E. Kufeld, David H. Burns, Donald W. Verser | 2005-01-04 |
| 6753387 | Temperature controlling system for olefin polymerization reactors | Rajinder Sharma, James E. Hein, Gary A. Marek | 2004-06-22 |
| 6420497 | Solids concentration in slurry polymerization | Scott E. Kufeld, George O. Obath, Wesley R. Qualls, Garry A. Marek | 2002-07-16 |
| 5695643 | Process for brine disposal | Harry Brandt | 1997-12-09 |