Patent ID: 11952440
Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 3:
4. Process according to claim 3 wherein the metallocene-type catalyst system comprises a metallocene complex according to formula III:, wherein, in formula III:
Z is ZrX2, HfX2, or TiX2, wherein X is a halogen, an alkyl, an aryl, or an aralkyl;
R2 is a bridging moiety containing at least one sp2 hybridised carbon atom; and
each of R1, R1′, R3, R3′, R4, R4′, R5 and R5′ is independently hydrogen or a hydrocarbon moiety comprising 1-20 carbon atoms.