Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6087291 | Polymerization catalyst systems | Jeffrey L. Brinen, George Alan Vaughan, Patrick Brant, Terry J. Burkhardt | 2000-07-11 |
| 6013594 | Spray dried polymer for catalyst support | Henry W. Yang | 2000-01-11 |
| 5891814 | Nonwoven fabrics | Galen C. Richeson, Glenn Allan Stahl, James J. McAlpin | 1999-04-06 |
| 5863853 | Polymerization catalyst systems, their production and use | George Alan Vaughan, Patrick Brant, Jo Ann M. Canich | 1999-01-26 |
| 5786291 | Engineered catalyst systems and methods for their production and use | Jeffrey L. Brinen, James J. McAlpin | 1998-07-28 |
| 5721184 | Method for making supported catalyst systems and catalyst systems therefrom | Jeffrey L. Brinen, Kelly Tormaschy, Kathryn Ann Russell | 1998-02-24 |
| 5688734 | Method for producing prepolymerized, supported metallocene catalyst systems | Kelly Tormaschy | 1997-11-18 |
| 5665665 | Method for making supported catalyst systems and catalyst systems therefrom | Jeffrey L. Brinen, Kelly Tormaschy, Kathryn Ann Russell | 1997-09-09 |
| 5625015 | Method for making supported catalyst systems and catalyst systems therefrom | Jeffrey L. Brinen, Kelly Tormaschy, Kathryn Ann Russell | 1997-04-29 |
| 5552358 | Polymerization catalyst systems, their production and use | — | 1996-09-03 |
| 5064796 | Support adjuvant for improved vanadium polymerization catalyst | — | 1991-11-12 |
| 4981826 | Polymerization catalyst prepared with a halogenated silane compound | — | 1991-01-01 |
| 4711865 | Olefin polymerization catalysts, production and use | — | 1987-12-08 |
| 4650842 | Olefin polymerization process employing catalyst prepared from high pore volume, high purity alumina gel | Roger D. Laib | 1987-03-17 |
| 4649128 | Deactivator for olefin polymerization catalyst | Louis J. Rekers, Harry W. Mayhew | 1987-03-10 |
| 4610974 | Intermetallic compounds of Lewis base bridged transition metal-reducing metal complexes and catalytic use thereof | — | 1986-09-09 |
| 4540680 | Intermetallic compounds of polymeric transition metal oxide alkoxides and catalytic use thereof | — | 1985-09-10 |
| 4536487 | Intermetallic compounds of polymeric transition metal oxide alkoxides and catalytic use thereof | — | 1985-08-20 |
| 4536489 | High pore volume, high purity alumina gels containing a chromium catalyst | Roger D. Laib | 1985-08-20 |
| 4513095 | Intermetallic compounds of polymeric transition metal oxide alkoxides and catalytic use thereof | — | 1985-04-23 |
| 4472531 | Polymerization catalyst and method of preparing the same | Louis J. Rekers | 1984-09-18 |
| 4404340 | Process for polymerizing olefins in the presence of a titanium-phosphorus-chromium catalyst | Stanley J. Katzen, Louis J. Rekers | 1983-09-13 |
| 4328124 | Olefin polymerization catalyst and process | Stanley J. Katzen, Louis J. Rekers | 1982-05-04 |
| 4297461 | Olefin polymerization catalyst | — | 1981-10-27 |
| 4276399 | Supported catalyst from chromium for olefin polymerization | Louis J. Rekers | 1981-06-30 |