Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By addition of entire unsaturated molecules – e.g.,...
Reexamination Certificate
2007-11-20
2007-11-20
Lu, Caixia (Department: 1713)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By addition of entire unsaturated molecules, e.g.,...
C585S513000, C585S514000, C585S516000, C502S102000, C502S121000, C502S124000, C502S125000
Reexamination Certificate
active
10539237
ABSTRACT:
The invention describes a process for tetramerisation of olefins wherein the product stream of the process contains more than 30% of the tetramer olefin. The process includes the step of contacting an olefinic feedstream with a catalyst system containing a transition metal compound and a heteroatomic ligand.
REFERENCES:
patent: 2699457 (1955-01-01), Ziegler et al.
patent: 4628138 (1986-12-01), Barnett et al.
patent: WO 02/04119 (2002-01-01), None
Carter et al.; “High Activity Ethylene Trimerisation Catalysts Based on Diphosphine Ligands”; Chemical Communication, vol. 2002, No. 8, pp. 858-859, (2002).
Blann Kevin
Bollmann Annette
Dixon John Thomas
Green Michael James
Hess Fiona Millicent
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Lu Caixia
Sasol Technology (PTY) Limited
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