Tandem tetramerisation-polymerisation of olefins

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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C526S113000, C526S114000, C526S348200, C526S160000, C585S510000, C585S514000, C585S515000, C585S520000, C585S527000

Reexamination Certificate

active

07323524

ABSTRACT:
The invention provides a process for polymerising olefins to branched polyolefins in the presence of a polymerisation catalyst and a cocatalyst, wherein the cocatalyst produces 1-octene in a selectivity greater than 30%.

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Carter et al., “High Activity Ethylene Trimerisation Catalysts Based on Diphosphine Ligands”, Chemical Communication, vol. 2002, No. 8, pp. 858-859, (2002).

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