Catalyst and process for the preparation of an olefin polymer

Details Catalyst and process for the preparation of an olefin polymer Catalyst and process for the preparation of an olefin polymer

1992-09-10

1994-11-15

Pal, Asok

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502167, 502103, B01J 2724

Patent

active

053649168

ABSTRACT:
The present invention relates to a catalyst and a process for the preparation of an olefin polymer, which catalyst comprises a transition metal component and an organometal component. The transition metal component comprises a transition metal atom onto which an imidoaryl ligand is bound.
More specifically the transition metal is vanadium or titanium.

REFERENCES:
patent: 3622548 (1971-11-01), Emde et al.
patent: 3646000 (1972-02-01), Horvath
patent: 3883493 (1975-05-01), Yamao et al.
patent: 4347159 (1982-08-01), Nudenberg et al.
patent: 4361686 (1982-11-01), Zaar et al.
patent: 4435552 (1984-03-01), Evens
patent: 5086023 (1992-02-01), Smith
patent: 5122493 (1992-06-01), Saba et al.
D. C. Devore et al, "Complexes of (arylimido)vanadium(V). Synthetic, structural, spectroscopic, and theoretical studies of V(Ntol)C13 and derivatives", J. Am. Chem. Soc. 1987, vol. 109, pp. 7408-7416.
F. Radwan et al, "Polymerization of ethylene with vanadium(III) amide", Chemical abstracts, Oct. 1980, vol. 93, No. 14, pp. 465-469.

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