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US 10,646,858 B2Granted
Catalytic composition based on chromium and a ligand based on phosphine and its use in a method for producing octenes
AssigneeIfp Energies Nouvelles
InventorsPierre-Alain Breuil, David Proriol
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Abstract
The invention pertains to a composition that comprises at least one chromium precursor, at least one heteroatomic ligand, and, optionally, at least one activator. The invention also pertains to the method for preparation of the composition in accordance with the invention and the use of said composition in a method for oligomerization of olefins.
Claims9
Composition comprising:
- at least one chromium precursor,
- at least one heteroatomicligand described by the general formula (I)
- (R1)2P—O—(CH2)n—N[P(R2)2]2
- in which the groups R1 and R2, identical or not, bonded together or not, are selected from among cyclic, linear, or branched alkyl groups or aromatic groups, and n is an integer greater than or equal to 1 and less than or equal to 15;
- and, optionally, at least one activator.
2 more elements
Dependencies are inferred from the claim text.