Non-symmetrical ligands and catalyst systems thereof for...

Details Non-symmetrical ligands and catalyst systems thereof for... Non-symmetrical ligands and catalyst systems thereof for...

2007-02-20

2007-02-20

Harlan, Robert D. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S171000, C556S138000, C502S155000, C502S167000

Reexamination Certificate

active

10320213

ABSTRACT:
Non-symmetrical ligands of formula (I);bis-aryliminepyridine MXncomplexes comprising a non-symmetrical ligand of formula (I), wherein M is a metal selected from Fe or Co, n is 2 or 3, and X is halide, optionally substituted hydrocarbyl, alkoxide, amide, or hydride; [bis-aryliminepyridine MYp.Ln+][NC−]qcomplexes, comprising a non-symmetrical ligand of formula (I), wherein Y is a ligand which may insert an olefin, M is Fe or Co, NC−is a non-coordinating anion and p+q is 2 or 3, matching the formal oxidation of the metal atom M, L is a neutral Lewis donor molecule and n=0, 1, or 2; and processes for the production of alpha-olefins from ethylene, using said complexes.

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