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US 8,618,229 B2Granted
Catalyst compositions containing transition metal complexes with thiolate ligands
AssigneeChevron Phillips Chemical Company LP
InventorMark L. Hlavinka
Life of this patent
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Abstract
The present invention discloses catalyst compositions employing transition metal complexes with a thiolate ligand. Methods for making these transition metal complexes and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
Claims26
A compound having the formula:
- wherein:
- M1 is a transition metal;
- each R1A and R1B independently is a C1 to C18 hydrocarbyl or hydrocarbylsilyl group, wherein p and q independently are 1, 2, 3, or 4;
- D is O;
- NR1C, wherein R1C is hydrogen or a C1 to C18 alkyl group;
- PR1D, wherein R1D is hydrogen or a C1 to C18 alkyl group;
- or one of the following heterocyclic groups:
- each X0 independently is a neutral ligand, wherein a is 0, 1, or 2;
- each X1 independently is a monoanionic ligand, wherein b is 0, 1, 2, 3, or 4;
- X2 is a dianionic ligand, wherein c is 0 or 1;
- and
- an oxidation state of M1 is equal to (b+2c+2).
9 more elements
A compound having the formula:
- wherein:
- M2 is a Group 3 to Group 8 transition metal, including lathanides and actinides;
- Ar2A and Ar2B independently are an arylene group, wherein any additional substituents on the arylene group independently are a hydrogen atom or a C1 to C18 hydrocarbyl or hydrocarbylsilyl;
- D is O;
- S;
- NR1C, wherein R1C is hydrogen or a C1 to C18 alkyl group;
- PR1D, wherein R1D is hydrogen or a C1 to C18 alkyl group;
- or one of the following heterocyclic groups:
- each X0 independently is a neutral ligand, wherein a is 0, 1, or 2;
- each X1 independently is a monoanionic ligand, wherein b is 0, 1, 2, 3, or 4;
- X2 is a dianionic ligand, wherein c is 0 or 1;
- and
- an oxidation state of M2 is equal to (b+2c+2).
10 more elements
A compound having the formula:
- wherein:
- M1 is a transition metal;
- each R1A and R1B independently is a C1 to C18 hydrocarbyl or hydrocarbylsilyl group, wherein p and q independently are 1, 2, 3, or 4;
- D is O or NR1C, wherein R1C is hydrogen or a C1 to C18 hydrocarbyl group;
- each X0 independently is a neutral ligand, wherein a is 0, 1, or 2;
- each X1 independently is a monoanionic ligand, wherein b is 0, 1, 2, 3, or 4;
- X2 is a dianionic ligand, wherein c is 0 or 1;
- and
- an oxidation state of M1 is equal to (b+2c+2).
6 more elements
Dependencies are inferred from the claim text.