Polymerization process and polymer composition

Details Polymerization process and polymer composition Polymerization process and polymer composition

2007-11-20

2007-11-20

Rabago, Roberto (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C526S160000, C526S171000

Reexamination Certificate

active

10974914

ABSTRACT:
Olefin polymerization processes using catalyst systems based on metallocenes and olefin, in particular, propylene polymers obtainable thereby. The metallocenes may be represented by the formula:wherein M1preferably is zirconium or hafnium; and R12is different from hydrogen.

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