Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1991-03-21
1993-02-23
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502103, 502117, 502120, C08F 464
Patent
active
051890003
ABSTRACT:
A supported catalyst for the polymerization and copolymerization of olefinically unsaturated compounds is described, comprising an organometallic compound of aluminium and a second component obtained by bringing a titanium, vanadium or chromium compound, at least one compound of a second metal chosen from V, Al, Zr, Hf, Mo and Nd and optionally a magnesium compound into contact with a porous support consisting of microbeads of aerogels of one or more inorganic oxides distinguished by low density, high porosity and the fact that at least 90% of the pores have a diameter lying within a very narrow range of values. The process for the polymerization or copolymerization of olefinically unsaturated compounds based on the use of said catalyst is also described.
REFERENCES:
patent: 4849390 (1989-07-01), Sano et al.
Carbonaro Antonio
Costa Lorenzo
Invernizzi Renzo
Masi Francesco
Moalli Angelo
Enichem S.p.A.
Garvin Patrick P.
Montedipe S.r.l.
Peebles Brent M.
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