Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475947 | Oligomeric metallocenes and their use | Erik Licht, Helmut G. Alt, M. Bruce Welch | 2002-11-05 |
| 6458905 | Complexes of pyridldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalysts | Roland Schmidt, Ulrich Hammon, M. Bruce Welch, Helmut G. Alt, Ronald D. Knudsen | 2002-10-01 |
| 6384161 | Method and catalyst system for producing polyolefins with broadened molecular weight distributions | M. Bruce Welch, David W. Dockter, Syriac J. Palackal, David C. Rohlfing | 2002-05-07 |