Issued Patents All Time
Showing 151–175 of 256 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933175 | Hyperbranched polymers and methods of making and using same | Youlu Yu, Chung Ching Tso, David C. Rohlfing, Paul J. DesLauriers, Melvin Hildebrand +1 more | 2015-01-13 |
| 8932975 | Catalyst systems and methods of making and using same | Max P. McDaniel, Joel L. Martin, Errun Ding, David C. Rohlfing, Tony R. Crain | 2015-01-13 |
| 8916494 | Vapor phase preparation of fluorided solid oxides | Max P. McDaniel, Kathy S. Collins, Tony R. Crain | 2014-12-23 |
| 8912285 | Catalyst system with three metallocenes for producing broad molecular weight distribution polymers | Max P. McDaniel, Tony R. Crain, Youlu Yu, Yongwoo Inn | 2014-12-16 |
| 8877672 | Catalyst compositions and methods of making and using same | Mark L. Hlavinka | 2014-11-04 |
| 8865846 | Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers | Errun Ding, Youlu Yu, Lloyd W. Guatney, Jim B. Askew | 2014-10-21 |
| 8846841 | Catalyst compositions for producing high Mz/Mw polyolefins | Max P. McDaniel, William B. Beaulieu, Joel L. Martin, Tony R. Crain | 2014-09-30 |
| 8835588 | Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor | Rex E. Murray, William B. Beaulieu, Errun Ding, Gary L. Glass, Alan L. Solenberger +1 more | 2014-09-16 |
| 8828529 | Catalyst systems and polymer resins having improved barrier properties | Guylaine St. Jean, Errun Ding, Chung Ching Tso, Albert P. Masino, Joel L. Martin | 2014-09-09 |
| 8829125 | Use of hydrogen and an organozinc compound for polymerization and polymer property control | Errun Ding, Albert P. Masino, Youlu Yu, Lloyd W. Guatney, Jim B. Askew | 2014-09-09 |
| 8821800 | System and method for catalyst preparation | Elizabeth A. Benham, Albert P. Masino, Randy S. Muninger, Rebecca A. Gonzales | 2014-09-02 |
| 8815357 | Polymer resins with improved processability and melt fracture characteristics | Yongwoo Inn | 2014-08-26 |
| 8809562 | Use of metallocene compounds for cancer treatment | Mark L. Hlavinka, Mandi Michelle Murph | 2014-08-19 |
| 8809219 | Catalyst and process for producing a polymer containing a high molecular weight tail | Max P. McDaniel, Tony R. Crain | 2014-08-19 |
| 8791217 | Catalyst systems for production of alpha olefin oligomers and polymers | Mark L. Hlavinka, Brooke L. Small, Youlu Yu | 2014-07-29 |
| 8785576 | Catalyst compositions for the polymerization of olefins | Mark L. Hlavinka | 2014-07-22 |
| 8771816 | Controlling melt fracture in bimodal resin pipe | Paul J. DesLauriers, Yongwoo Inn, Ashish M. Sukhadia, David C. Rohlfing, Pamela L. Maeger | 2014-07-08 |
| 8759246 | Half-metallocene compounds and catalyst compositions | Errun Ding, Joel L. Martin, Albert P. Masino, Youlu Yu | 2014-06-24 |
| 8748546 | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates | Albert P. Masino, Rex E. Murray, Steve J. Secora, Kumudini C. Jayaratne, William B. Beaulieu +4 more | 2014-06-10 |
| 8703886 | Dual activator-support catalyst systems | Max P. McDaniel, Tony R. Crain, Kathy S. Collins | 2014-04-22 |
| 8691715 | Catalyst compositions for producing high Mz/Mw polyolefins | Max P. McDaniel, William B. Beaulieu, Joel L. Martin, Tony R. Crain | 2014-04-08 |
| 8680218 | Methods for controlling dual catalyst olefin polymerizations with an organozinc compound | Max P. McDaniel, Errun Ding, Ted H. Cymbaluk, Tony R. Crain, Gary L. Glass | 2014-03-25 |
| 8637616 | Bridged metallocene catalyst systems with switchable hydrogen and comonomer effects | Richard M. Buck, Albert P. Masino, Christopher E. Wittner | 2014-01-28 |
| 8637691 | Polymerization catalysts for producing polymers with low melt elasticity | Max P. McDaniel, Joel L. Martin, Youlu Yu, David C. Rohlfing, Michael D. Jensen | 2014-01-28 |
| 8637420 | Methods for producing metal-containing sulfated activator-supports | Max P. McDaniel, Tony R. Crain | 2014-01-28 |