The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 1986

Filed:

Feb. 14, 1985
Applicant:
Inventors:

Paolo Longi, Milan, IT;

Umberto Giannini, Milan, IT;

Romano Mazzocchi, Pernate, IT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
502105 ; 502123 ; 502124 ; 502134 ; 526125 ;
Abstract

Polymerization catalysts, more particularly catalysts for the polymerization of ethylene and mixtures thereof with other monomers copolymerizable therewith, are disclosed. The catalysts are prepared by mixing (A) an organometallic compound or hydride of a metal belonging to Groups I, II or III of the Mendelyeev Periodic Table, with (B) the reaction product of (1) a titanium compound of the type (NR.sub.4).sub.p Ti.sub.m X.sub.(n.m)+p, in which R.sub.4 is hydrogen and/or hydrocarbon radicals, X.sub.n.m represents halogen atoms or, in part, OR' groups in which R' is an organic radical; n represents the Ti valence, and m and p are the whole numbers 1, 2 or 3; and (2) a carrier comprising an anhydrous magnesium halide.


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