Transition metal polymerization catalysts, their synthesis and use in olefin polymerization
AssigneeExxonMobil Chemical Patents Inc.
InventorsLisa S. Baugh, Enock Berluche, Paul V. Hinkle, Francis C. Rix
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Abstract
A transition metal ligand complex has the following formula: wherein R1 and R2 (each occurrence) independently represent an aryl, alkyl, or cycloalkyl group having up to 20 carbon atoms; R3 and R4 (each occurrence) independently represent an aryl, alkyl, or cycloalkyl group having up to 20 carbon atoms; R5 represents an aryl, alkyl, or cycloalkyl group having up to 20 carbon atoms, provided that R4 and R5 may be joined to form a cyclic structure; R6 represents an alkyl or aryl group having up to 20 carbon atoms; and Mt represents a transition metal selected from Group 7, 8, 9, 10, 11, or 12 of the Periodic Table of the Elements.
Claims19
A transition metal ligand complex having the following formula:
- wherein R1 and R2 (each occurrence) independently represent an aryl, alkyl, or cycloalkyl group having up to 20 carbon atoms;
- R3 and R4 (each occurrence) independently represent an aryl, alkyl, or cycloalkyl group having up to 20 carbon atoms;
- R5 represents an aryl, alkyl, or cycloalkyl group having up to 20 carbon atoms, provided that R4 and R5 may be joined to form a cyclic structure;
- R6 represents an alkyl or aryl group having up to 20 carbon atoms;
- and Mt represents a transition metal selected from the group consisting of Groups 7, 8, 9, 10, 11, and 12 of the Periodic Table of the Elements.
Dependencies are inferred from the claim text.