Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448424 | Tetrahydrofluorenyl containing group 4 metallocenes useful as catalysts for the polymerization of olefins, process for their preparation and use of said metallocenes for the polymerization of olefins | Emma J. Thomas, Serge Bettonville | 2002-09-10 |
| 6355747 | Asymmetric silicon-bridged metallocenes useful as catalysts in the polymerization of &agr;-olefins, process for their preparation and use of said metallocenes for the polymerization of &agr;-olefins | Emma J. Thomas, Serge Bettonville, Fabian Siberdt | 2002-03-12 |
| 6271322 | Monocyclopentadienyl transition metal catalyst and olefin polymerization process | Laughlin G. McCullough, James C. W. Chien, Juan Carlos Flores | 2001-08-07 |
| 6262203 | Elastomeric polypropylene and other polyolefin elastomers, metallocene catalyst and method of ion preparation | James C. W. Chien | 2001-07-17 |
| 6100416 | Asymmetric ethylene-bridged metallocenes useful as catalysts in the polymerization of olefins and process for preparing said metallocenes | Emma J. Thomas, Serge Bettonville, Didier Grandfils | 2000-08-08 |
| 5962714 | Monocyclopentadienyl transition metal catalyst and olefin polymerization process | Laughlin G. McCullough, James C. W. Chien, Juan Carlos Flores | 1999-10-05 |
| 5756614 | Polypropylene and other olefin polymer thermoplastic elastomers, novel catalyst for preparing the same and method of preparation | James C. W. Chien | 1998-05-26 |
| 5525690 | Process for the preparation of a polyolefin and syndiotactic polypropylene | James C. W. Chien | 1996-06-11 |
| 5502128 | Group 4 metal amidinate catalysts and addition polymerization process using same | Juan Carlos Flores | 1996-03-26 |