Metallocenes and catalyst compositions derived therefrom

Details Metallocenes and catalyst compositions derived therefrom Metallocenes and catalyst compositions derived therefrom

2006-10-17

2006-10-17

Choi, Ling-Sui (Department: 1713)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

C502S103000, C502S104000, C502S117000, C502S132000, C556S043000, C556S053000, C556S058000, C556S027000, C556S022000, C556S011000, C526S160000, C526S127000, C526S943000

Reexamination Certificate

active

07122498

ABSTRACT:
Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula:wherein M1preferably is zirconium or hafnium; and R12is different from hydrogen.

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