Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10131725 | Production of high haze films using metallocene-based catalyst systems in cyclohexene | Kensha M. Clark, Qing Yang | 2018-11-20 |
| 10059783 | Processes for preparing solid metallocene-based catalyst systems | Kensha M. Clark, Qing Yang | 2018-08-28 |
| 10017592 | Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution | Qing Yang, Jeff F. Greco, Max P. McDaniel, Youlu Yu, Tony R. Crain | 2018-07-10 |
| 9884930 | Processes for preparing metallocene-based catalyst systems in cyclohexene | Kensha M. Clark, Qing Yang | 2018-02-06 |
| 9598515 | Processes for preparing solid metallocene-based catalyst systems | Kensha M. Clark, Qing Yang | 2017-03-21 |
| 9574031 | Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution | Qing Yang, Jeff F. Greco, Max P. McDaniel, Youlu Yu, Tony R. Crain | 2017-02-21 |
| 9481749 | Processes for preparing metallocene-based catalyst systems in cyclohexene | Kensha M. Clark, Qing Yang | 2016-11-01 |
| 9303106 | Processes for preparing solid metallocene-based catalyst systems | Kensha M. Clark, Qing Yang | 2016-04-05 |
| 9217049 | Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution | Qing Yang, Jeff F. Greco, Max P. McDaniel, Youlu Yu, Tony R. Crain | 2015-12-22 |
| 9169333 | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates | Albert P. Masino, Rex E. Murray, Qing Yang, Steve J. Secora, Kumudini C. Jayaratne +4 more | 2015-10-27 |
| 8835588 | Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor | Rex E. Murray, William B. Beaulieu, Qing Yang, Errun Ding, Alan L. Solenberger +1 more | 2014-09-16 |
| 8748546 | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates | Albert P. Masino, Rex E. Murray, Qing Yang, Steve J. Secora, Kumudini C. Jayaratne +4 more | 2014-06-10 |
| 8680218 | Methods for controlling dual catalyst olefin polymerizations with an organozinc compound | Qing Yang, Max P. McDaniel, Errun Ding, Ted H. Cymbaluk, Tony R. Crain | 2014-03-25 |
| 8501654 | Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor | Rex E. Murray, William B. Beaulieu, Qing Yang, Errun Ding, Alan L. Solenberger +1 more | 2013-08-06 |
| 8450436 | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates | Albert P. Masino, Rex E. Murray, Qing Yang, Steve J. Secora, Kumudini C. Jayaratne +4 more | 2013-05-28 |
| 8426536 | Nano-linked heteronuclear metallocene catalyst compositions and their polymer products | Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin | 2013-04-23 |
| 8329834 | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates | Albert P. Masino, Rex E. Murray, Qing Yang, Steve J. Secora, Kumudini C. Jayaratne +4 more | 2012-12-11 |
| 8207280 | Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor | Rex E. Murray, William B. Beaulieu, Qing Yang, Errun Ding, Alan L. Solenberger +1 more | 2012-06-26 |
| 8143430 | Nano-linked heteronuclear metallocene catalyst compositions and their polymer products | Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin | 2012-03-27 |
| 7919639 | Nano-linked heteronuclear metallocene catalyst compositions and their polymer products | Rex E. Murray, Kumudini C. Jayaratne, Qing Yang, Joel L. Martin | 2011-04-05 |
| 6852660 | Solid metallocene catalyst system | Kent E. Mitchell, L. Kirchman, Robert Provence, Leigh Ford, Randall S. Muninger | 2005-02-08 |
| 6534609 | Method for making and using a metallocene catalyst system | Kent E. Mitchell, L. Kirchman, Robert Provence, Leigh Ford, Randall S. Muninger | 2003-03-18 |
| 6239300 | Metallocene production process | Carleton E. Stouffer, Syriac J. Palackal, M. Bruce Welch, John D. Hottovy, Michael D. Jensen | 2001-05-29 |
| 6153716 | Polyethylenes containing a unique distribution of short chain branching | M. Bruce Welch, Helmut G. Alt, Bernd Peifer, Syriac J. Palackal, Ted M. Pettijohn +2 more | 2000-11-28 |
| 5902237 | Method of operating acoustic imaging | — | 1999-05-11 |