Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-03-23
2009-06-16
Aulakh, Charanjit S (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C502S155000, C502S167000, C526S161000, C526S171000, C526S172000, C526S348000, C546S145000
Reexamination Certificate
active
07547783
ABSTRACT:
A transition metal complex which is a bis-arylimine pyridine MXncomplex or a [bis-arylimine pyridine MXp+][NC−]q complex comprising a bis-arylimine pyridine ligand and M is a transition metal atom; n matches the formal oxidation state of the transition metal atom M; X is halide, optionally substituted hydrocarbyl, alkoxide, amide, or hydride; NC− is a non-coordinating anion; and p+q matches the formal oxidation state of the transition metal atom M. The transition metal complexes of the present invention, their complexes with non-coordinating anions and catalyst systems containing such complexes have good solubility in non-polar media and chemically inert non-polar solvents especially aromatic hydrocarbon solvents. The catalyst systems can be used for a wide range of (co-)oligomerization, polymerization and dimerization reactions.
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Olefin Polymerization with [{bis(imin
De Boer Eric Johannes Maria
On Quoc An
Smit Johan Paul
Van Der Heijden Harry
Van Zon Arie
Aulakh Charanjit S
Shell Oil Company
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