Issued Patents All Time
Showing 251–275 of 537 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8138113 | Dual metallocene catalysts for polymerization of bimodal polymers | Qing Yang, Kumudini C. Jayaratne, Michael D. Jensen, Joel L. Martin, Matthew G. Thorn +2 more | 2012-03-20 |
| 8119553 | Polymerization catalysts for producing polymers with low melt elasticity | Qing Yang, Joel L. Martin, Youlu Yu, David C. Rohlfing, Michael D. Jensen | 2012-02-21 |
| 8114946 | Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches | Qing Yang, Joel L. Martin, Tony R. Crain, Randy S. Muninger, Jerry T. Lanier +4 more | 2012-02-14 |
| 8114353 | Continuous catalyst activator | Elizabeth A. Benham, Ted H. Cymbaluk, Charles K. Newsome, Charles R. Nease, H. Kenneth Staffin +1 more | 2012-02-14 |
| 8110640 | Half-metallocene catalyst compositions and their polymer products | Matthew G. Thorn, Elizabeth A. Benham | 2012-02-07 |
| 8030241 | Catalyst compositions and polyolefins for extrusion coating applications | Michael D. Jensen, Joel L. Martin, Elizabeth A. Benham, Randy Muninger, Gary Jerdee +3 more | 2011-10-04 |
| 7981832 | Methods of activating chromium catalysts | Elizabeth A. Benham | 2011-07-19 |
| 7960487 | Dual metallocene catalysts for polymerization of bimodal polymers | Qing Yang, Kumudini C. Jayaratne, Michael D. Jensen, Joel L. Martin, Matthew G. Thorn +2 more | 2011-06-14 |
| 7951881 | Polyethylene film having improved barrier properties and methods of making same | Ashish M. Sukhadia, Ted H. Cymbaluk, Rajendra K. Krishnaswamy, Lawrence Szmutko | 2011-05-31 |
| 7910669 | Methods of preparing a polymerization catalyst | Elizabeth A. Benham, Kathy S. Collins, Stephen M. Wharry | 2011-03-22 |
| 7906603 | Polymers having broad molecular weight distributions and methods of making the same | Elizabeth A. Benham, Steven J. Secora, Michael D. Jensen, Kathy S. Collins | 2011-03-15 |
| 7897539 | Methods of preparing a polymerization catalyst | Elizabeth A. Benham, Randall S. Muninger | 2011-03-01 |
| 7884165 | Half-metallocene catalyst compositions and their polymer products | Matthew G. Thorn, Elizabeth A. Benham | 2011-02-08 |
| 7884163 | Silica-coated alumina activator-supports for metallocene catalyst compositions | Qing Yang, Randy S. Muninger, Elizabeth A. Benham, Kathy S. Collins | 2011-02-08 |
| 7842763 | Catalyst compositions and polyolefins for extrusion coating applications | Michael D. Jensen, Joel L. Martin, Elizabeth A. Benham, Randy Muninger, Gary Jerdee +3 more | 2010-11-30 |
| 7829646 | Olefin polymers, method of making, and use thereof | Paul J. DesLauriers, Al R. Wolfe, Pamela L. Maeger, William R. Coutant, David C. Rohlfing +4 more | 2010-11-09 |
| 7790820 | Acidic activator-supports and catalysts for olefin polymerization | Michael D. Jensen, Gil R. Hawley, Tony R. Crain, Elizabeth A. Benham, Joel L. Martin +1 more | 2010-09-07 |
| 7763561 | Compositions that can produce polymers | Elizabeth A. Benham, Shirley J. Martin, Kathy S. Collins, James L. Smith, Gil R. Hawley +2 more | 2010-07-27 |
| 7745557 | Polymers having broad molecular weight distributions and methods of making the same | Elizabeth A. Benham, Steven J. Secora, Michael D. Jensen, Kathy S. Collins | 2010-06-29 |
| 7732542 | Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching | Qing Yang, Michael D. Jensen, Joel L. Martin, Matthew G. Thorn, Youlu Yu +1 more | 2010-06-08 |
| 7700516 | Methods of preparing a polymerization catalyst | Kathy S. Collins | 2010-04-20 |
| 7652160 | Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching | Qing Yang, Michael D. Jensen, Joel L. Martin, Matthew G. Thorn, Youlu Yu +1 more | 2010-01-26 |
| 7638456 | Methods of preparing a polymerization catalyst | Kathy S. Collins | 2009-12-29 |
| 7629284 | Acidic activator supports and catalysts for olefin polymerization | Michael D. Jensen, Gil R. Hawley, Tony R. Crain, Elizabeth A. Benham, Joel L. Martin +1 more | 2009-12-08 |
| 7625982 | Multimodal polyethylene compositions and pipe made from same | Joel L. Martin, Kumudini Jayarante, Matthew G. Thorn, J. Todd Lanier, Qing Yang +3 more | 2009-12-01 |