| 4791089 |
Zirconia-titania-silica tergels and their use as catalyst supports |
William Kirch |
1988-12-13 |
| 4634744 |
Method of catalyst deactivation |
Yu-Tang Hwang, Lloyd Pebsworth, Raymond E. Hoff |
1987-01-06 |
| 4590246 |
Method of polymerizing olefins |
William Kirch |
1986-05-20 |
| 4567243 |
Polymerization method |
Thomas J. Pullukat, Yu-Tang Hwang |
1986-01-28 |
| 4524141 |
Polymerization catalysts and methods |
Thomas J. Pullukat, Yu-Tang Hwang |
1985-06-18 |
| RE31761 |
Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
William Kirch |
1984-12-11 |
| 4476243 |
Olefin polymerization catalyst and catalyst support |
— |
1984-10-09 |
| 4458058 |
Polymerization method |
— |
1984-07-03 |
| 4378304 |
Catalyst and methods |
— |
1983-03-29 |
| 4335016 |
Catalyst and method |
— |
1982-06-15 |
| 4279780 |
Method of preparing catalyst supports |
— |
1981-07-21 |
| 4246137 |
Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
William Kirch |
1981-01-20 |