| 8722165 |
Polyethylene additive compositions and articles made from same |
Elizabeth M. Lanier |
2014-05-13 |
| 7157511 |
Phosphite additives in polyolefins |
Rex L. Bobsein, William R. Coutant, John R. Rathman |
2007-01-02 |
| 6992035 |
Metallocenes, polymerization catalyst systems, their preparation, and use |
M. Bruce Welch, Syriac J. Palackal, David W. Dockter, Alexander Koppl, Helmut G. Alt |
2006-01-31 |
| 6509427 |
Metallocenes, polymerization catalyst systems, their preparation, and use |
M. Bruce Welch, Syriac J. Palackal, David W. Dockter, Alexander Koppl, Helmut G. Alt |
2003-01-21 |
| 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 |
| 6291608 |
Polymerization catalyst system and polymerization process |
Nancy W. Eilerts, M. Bruce Welch, Harold R. Deck |
2001-09-18 |
| 6239060 |
Supported metallocene catalyst system and method for polymerizing olefins |
David W. Dockter, M. Bruce Welch, Randall S. Muninger |
2001-05-29 |
| 6221981 |
Method for making and using a supported metallcene catalyst system |
Michael E. Jung, Helmut G. Alt, M. Bruce Welch, David W. Dockter, Syriac J. Palackal +1 more |
2001-04-24 |
| 6187880 |
Process for producing an olefin polymer using a metallocene |
M. Bruce Welch, Syriac J. Palackal, David W. Dockter, Alexander Koppl, Helmut G. Alt |
2001-02-13 |