Issued Patents All Time
Showing 226–250 of 537 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8691715 | Catalyst compositions for producing high Mz/Mw polyolefins | Qing Yang, William B. Beaulieu, Joel L. Martin, Tony R. Crain | 2014-04-08 |
| 8680218 | Methods for controlling dual catalyst olefin polymerizations with an organozinc compound | Qing Yang, Errun Ding, Ted H. Cymbaluk, Tony R. Crain, Gary L. Glass | 2014-03-25 |
| 8637420 | Methods for producing metal-containing sulfated activator-supports | Qing Yang, Tony R. Crain | 2014-01-28 |
| 8637691 | Polymerization catalysts for producing polymers with low melt elasticity | Qing Yang, Joel L. Martin, Youlu Yu, David C. Rohlfing, Michael D. Jensen | 2014-01-28 |
| 8623973 | Activator supports impregnated with group VIII transition metals for polymer property control | Qing Yang, Tony R. Crain, Kathy S. Collins | 2014-01-07 |
| 8598061 | Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen | Qing Yang, Tony R. Crain, Youlu Yu | 2013-12-03 |
| 8536391 | Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends | Brooke L. Small, Kenneth D. Hope, Qing Yang, Albert P. Masino, Richard M. Buck +4 more | 2013-09-17 |
| 8487053 | Methods for removing polymer skins from reactor walls | George R. Rajaendran, Gregory G. Hendrickson, John D. Stewart, John D. Hottovy, Ted H. Cymbaluk +7 more | 2013-07-16 |
| 8475899 | 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 | 2013-07-02 |
| 8476394 | Polymer resins having improved barrier properties and methods of making same | Guylaine St. Jean, Qing Yang, Chung Ching Tso | 2013-07-02 |
| 8450437 | Polymerization catalysts for producing polymers with low melt elasticity | Qing Yang, Joel L. Martin, Youlu Yu, David C. Rohlfing, Michael D. Jensen | 2013-05-28 |
| 8440772 | Methods for terminating olefin polymerizations | Qing Yang, Tony R. Crain, Kathy S. Collins | 2013-05-14 |
| 8431729 | High activity catalyst compositions containing silicon-bridged metallocenes with bulky substituents | Joel L. Martin, Qing Yang, Jim B. Askew | 2013-04-30 |
| 8426538 | Catalyst compositions and polyolefins for extrusion coating applications | Michael D. Jensen, Joel L. Martin, Elizabeth A. Benham, Randy Muninger, Gary Jerdee +3 more | 2013-04-23 |
| 8399580 | Additives to chromium catalyst mix tank | Elizabeth A. Benham, Kathy S. Collins | 2013-03-19 |
| 8383754 | Catalyst compositions for producing high Mz/Mw polyolefins | Qing Yang, William B. Beaulieu, Joel L. Martin, Tony R. Crain | 2013-02-26 |
| 8372771 | System and method for catalyst activation | Elizabeth A. Benham | 2013-02-12 |
| 8349264 | Continuous catalyst activator | Elizabeth A. Benham, Ted H. Cymbaluk, Charles K. Newsome, Charles R. Nease, H. Kenneth Staffin +1 more | 2013-01-08 |
| 8318883 | Polymer compositions for blow molding applications | Qing Yang, William B. Beaulieu, Youlu Yu, Tony R. Crain | 2012-11-27 |
| 8309485 | Methods for producing metal-containing sulfated activator-supports | Qing Yang, Tony R. Crain | 2012-11-13 |
| 8288487 | Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen | Qing Yang, Tony R. Crain, Youlu Yu | 2012-10-16 |
| 8268944 | Dual metallocene catalysts for polymerization of bimodal polymers | Qing Yang, Kumudini C. Jayaratne, Michael D. Jensen, Joel L. Martin, Matthew G. Thorn +2 more | 2012-09-18 |
| 8242221 | Half-metallocene catalyst compositions and their polymer products | Matthew G. Thorn, Elizabeth A. Benham | 2012-08-14 |
| 8211988 | Methods of preparing a polymerization catalyst | Kathy S. Collins | 2012-07-03 |
| 8183173 | Fast activating catalyst | Elizabeth A. Benham, Ted H. Cymbaluk, George Neil | 2012-05-22 |