Catalyst system comprising a mixture of catalyst components...

Details Catalyst system comprising a mixture of catalyst components... Catalyst system comprising a mixture of catalyst components...

2008-07-08

2008-07-08

Rábago, Roberto (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S113000, C526S118000, C526S119000, C526S127000, C526S160000, C526S351000, C502S103000, C502S152000, C502S129000

Reexamination Certificate

active

07396888

ABSTRACT:
Provided is a catalyst system for producing a polyolefin blend, which catalyst system comprises a mixture including the following catalyst components: i) a catalyst component A capable of producing an isotactic olefin polymer, and/or a catalyst component A′ capable of producing a polymer comprising an isotactic polyolefin block; and ii) a catalyst component B capable of producing a syndiotactic polyolefin, and/or a catalyst component B′ capable of producing a polymer comprising a syndiotactic polyolefin block; wherein each of the components in the catalyst system is distinct from the other components in the catalyst system.

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