| 7834107 |
Preparation of polyolefins having high molecular weights in the presence of an organic transition metal compound in a gas-phase fluidized-bed reactor |
Rainer Karer, Ulrich Nieken |
2010-11-16 |
| 6992035 |
Metallocenes, polymerization catalyst systems, their preparation, and use |
M. Bruce Welch, Syriac J. Palackal, Bryan E. Hauger, David W. Dockter, Helmut G. Alt |
2006-01-31 |
| 6509427 |
Metallocenes, polymerization catalyst systems, their preparation, and use |
M. Bruce Welch, Syriac J. Palackal, Bryan E. Hauger, David W. Dockter, Helmut G. Alt |
2003-01-21 |
| 6482967 |
Metallocenes, polymerization catalyst systems, their preparation, and use |
Helmut G. Alt, M. Bruce Welch |
2002-11-19 |
| 6358876 |
Organo-aluminum compounds immobilized on organopolysiloxane microgel particles |
Helmut G. Alt, Frank Baumann, Johann Weis |
2002-03-19 |
| 6291382 |
Metallocenes, polymerization catalyst systems, their preparation, and use |
Helmut G. Alt, M. Bruce Welch |
2001-09-18 |
| 6268453 |
Polymerization catalyst systems, their preparation, and use |
Helmut G. Alt, Syriac J. Palackal, M. Bruce Welch |
2001-07-31 |
| 6187880 |
Process for producing an olefin polymer using a metallocene |
M. Bruce Welch, Syriac J. Palackal, Bryan E. Hauger, David W. Dockter, Helmut G. Alt |
2001-02-13 |
| 6162884 |
Olefin oligomerization and processes thereof |
Helmut G. Alt |
2000-12-19 |
| 6159888 |
Polymerization catalyst systems, their preparation, and use |
M. Bruce Welch, Helmut G. Alt |
2000-12-12 |
| 5990035 |
Polymerization catalyst systems, their preparation, and use |
Helmut G. Alt, Syriac J. Palackal, M. Bruce Welch |
1999-11-23 |
| 5932670 |
Polymerization catalysts and processes therefor |
Helmut G. Alt |
1999-08-03 |