Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365779 | Boratabenzene cocatalyst with metallocene catalyst | Francis J. Timmers, David R. Neithamer | 2002-04-02 |
| 6355818 | Heterocyclic metal complexes and olefin polymerization process | Francis J. Timmers, Arthur J. Ashe, III, Saleem Al-Ahmad, Xinggao Fang | 2002-03-12 |
| 6284905 | Bridged metal complexes | Arthur J. Ashe, III, Xinggao Fang, Kevin A. Frazier, D. Patrick Green, Jasson T. Patton +1 more | 2001-09-04 |
| 6258902 | Olefin polymerization process | Richard E. Campbell, Jr., Kevin P. Peil, Francis J. Timmers | 2001-07-10 |
| 6255246 | Boratabenzene cocatalyst with metallocene catalyst | Francis J. Timmers, David R. Neithamer | 2001-07-03 |
| 6136993 | Integrated process for preparation of diene complexes | Eugene Y. Chen, Richard E. Campbell, Jr., D. Patrick Green, Jasson T. Patton, Jorge Soto +1 more | 2000-10-24 |
| 6127563 | Integrated process for preparation of diene complexes | Eugene Y. Chen, Richard E. Campbell, Jr., D. Patrick Green, Jasson T. Patton, Jorge Soto +1 more | 2000-10-03 |
| 6118013 | Preparation of addition polymerization catalysts | — | 2000-09-12 |
| 6107421 | Heterocyclic metal complexes and olefin polymerization process | Francis J. Timmers, Arthur J. Ashe, III, Saleem Al-Ahmad, Xinggao Fang | 2000-08-22 |
| 6084115 | Diene complexes of group 4 metals and process of preparation | Eugene Y. Chen, Richard E. Campbell, Jr., D. Patrick Green, Jasson T. Patton, Jorge Soto +1 more | 2000-07-04 |
| 5994255 | Allyl containing metal complexes and olefin polymerization process | Peter N. Nickias, Francis J. Timmers | 1999-11-30 |
| 5972822 | Biscyclopentadienyldiene complex containing addition polymerization catalysts | Francis J. Timmers, James C. Stevens | 1999-10-26 |
| 5770538 | Group 4 metal diene complexes and addition polymerization catalysts therefrom | Francis J. Timmers, James C. Stevens, Robert K. Rosen | 1998-06-23 |
| 5723398 | Homogeneous, stabilized, reduced metal addition polymerization catalysts, process for preparation and method of use | Robert K. Rosen, Peter N. Nickias, James C. Stevens, Francis J. Timmers | 1998-03-03 |
| 5679816 | Preparation of biscyclopentadienyl diene complexes | Francis J. Timmers, David R. Neithamer | 1997-10-21 |
| 5646084 | Polymerization process using diene containing catalysts | Jasson T. Patton, Franis J. Timmers, Jorge Soto, Gregory F. Schmidt, David R. Wilson | 1997-07-08 |
| 5625087 | Silylium cationic polymerization activators for metallocene complexes | David R. Neithamer, Robert E. LaPointe, Robert D. Mussell | 1997-04-29 |
| 5624878 | Titanium (II) or zirconium (II) complexes and addition polymerization catalysts therefrom | Francis J. Timmers, James C. Stevens, Robert D. Mussell, Lenore H. Crawford | 1997-04-29 |
| 5616664 | Polymerization process with biscyclopentadienyl diene complex containing catalysts | Francis J. Timmers, James C. Stevens | 1997-04-01 |
| 5556928 | Titanium (II) or Zirconium (II) complexes and addition polymerization catalysts therefrom | Francis J. Timmers, James C. Stevens, Robert D. Mussell, Lenore H. Crawford, David R. Wilson | 1996-09-17 |
| 5543480 | Polymerization process using diene containing catalysts | Jasson T. Patton, Francis J. Timmers, Jorge Soto, Gregory F. Schmidt, David R. Wilson | 1996-08-06 |
| 5539068 | Group 4, metal-conjugated diene metallocyclopentene complexes, and addition polymerization catalysts therefrom | James C. Stevens, Francis J. Timmers, Robert K. Rosen | 1996-07-23 |
| 5532394 | Addition polymerization catalysts comprising reduced oxidation state metal complexes | Robert K. Rosen, Peter N. Nickias, James C. Stevens, Francis J. Timmers | 1996-07-02 |
| 5527929 | Zwitterionic biscyclopentadienyl complexes | Francis J. Timmers | 1996-06-18 |
| 5494874 | Homogenous, stabilized, reduced metal addition polymerization catalysts, process for preparation and method of use | Robert K. Rosen, Peter N. Nickias, James C. Stevens, Francis J. Timmers | 1996-02-27 |