Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177527 | Process for the preparation of polyethylene or polypropylene | Xinmin Yang, Frederick J. Karol | 2001-01-23 |
| 6166154 | Olefin polymerization catalyst composition having increased activity | John H. Oskam, Thomas H. Peterson, David James Schreck, Timothy T. Wenzel, Gregory T. Whiteker +1 more | 2000-12-26 |
| 5912202 | Olefin polymerization catalyst composition having increased activity | John H. Oskam, Thomas H. Peterson, David James Schreck, Timothy T. Wenzel, Gregory T. Whiteker +1 more | 1999-06-15 |
| 5852143 | Production of polyethylene using stereoisomeric metallocenes | Eric P. Wasserman, Frederick J. Karol | 1998-12-22 |