Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8501882 | Use of hydrogen and an organozinc compound for polymerization and polymer property control | Errun Ding, Qing Yang, Youlu Yu, Lloyd W. Guatney, Jim B. Askew | 2013-08-06 |
| 8492498 | Polymer compositions for rotational molding applications | Richard M. Buck, Qing Yang, Paul J. DesLauriers, Steven J. Secora, Elizabeth M. Lanier +3 more | 2013-07-23 |
| 8487053 | Methods for removing polymer skins from reactor walls | George R. Rajaendran, Max P. McDaniel, Gregory G. Hendrickson, John D. Stewart, John D. Hottovy +7 more | 2013-07-16 |
| 8450436 | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates | Rex E. Murray, Qing Yang, Steve J. Secora, Kumudini C. Jayaratne, William B. Beaulieu +4 more | 2013-05-28 |
| 8329834 | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates | Rex E. Murray, Qing Yang, Steve J. Secora, Kumudini C. Jayaratne, William B. Beaulieu +4 more | 2012-12-11 |
| 8309748 | Half-metallocene compounds and catalyst compositions | Errun Ding, Joel L. Martin, Qing Yang, Youlu Yu | 2012-11-13 |
| 7468452 | Process for one-pot synthesis of 1,1-diphenyl-1-(3-substituted-cyclopentadienyl)-1-(2,7-di-t-butyl-fluoren-9-yl)methane type ligands | Joel L. Martin, Qing Yang | 2008-12-23 |
| 7410927 | Catalysts for olefin polymerization | — | 2008-08-12 |
| 7064225 | Synthesis of ansa-metallocenes and their parent ligands in high yield | Matthew G. Thorn, Joel L. Martin, Qing Yang | 2006-06-20 |
| 6821921 | Catalyst compounds with &bgr;-diiminate anionic ligands and processes for polymerizing olefins | Klaus H. Theopold, Woo-Kyu Kim, Leonard MacAdams, John M. Power, Javier M. Mora | 2004-11-23 |
| 6511936 | Catalyst compounds with &bgr;-diminate anionic ligands and processes for polymerizing olefins | Klaus H. Theopold, Woo-Kyu Kim, Leonard MacAdams, John M. Power, Javier M. Mora | 2003-01-28 |
| 6395669 | Catalyst component and system | William J. Sartain, Patricia A. Hooks, Keta M. Lindstrom, Stella L. Ellis, Douglas D. Klendworth +2 more | 2002-05-28 |
| 5610246 | Process for polymerizing propylene using a silica-supported catalyst | Charles K. Buehler | 1997-03-11 |
| 5346872 | Cocatalyst for vanadium/titanium containing polymerization catalyst | Raghu Menon, Mark K. Reinking | 1994-09-13 |
| 5344803 | Cocatalyst for transition metal-containing .alpha.-olefin polymerization catalyst | Raghu Menon, Mark K. Reinking | 1994-09-06 |
| 5334567 | Cocatalyst for vanadium-containing ethylene polymerization catalyst | Raghu Menon, Mark K. Reinking | 1994-08-02 |
| 5275991 | Supported high activity polyolefin catalyst component with regular distribution of magnesium values provided utilizing a controlled drying protocol | Charles K. Buehler, Raghu Menon | 1994-01-04 |
| 5232998 | Olefin polymerization using silica supported catalyst | Charles K. Buehler | 1993-08-03 |
| 5182341 | Olefin polymerization method | — | 1993-01-26 |
| 5145821 | Silica supported polymerization catalyst system | Charles K. Buehler | 1992-09-08 |
| 5126302 | Olefin polymerization catalyst and methods | — | 1992-06-30 |
| 4563511 | Polyolefin polymerization process and catalyst | Kiplin D. Cowan, Gil R. Hawley | 1986-01-07 |
| 4503159 | Polyolefin polymerization process and catalyst | Kiplin D. Cowan, Gil R. Hawley | 1985-03-05 |