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.
Patent No.:
Date of Patent:
Aug. 31, 1982
Filed:
Mar. 06, 1981
Applicant:
Inventors:
Renzo Invernizzi, Milan, IT;
Ferdinando Ligorati, Usmate, IT;
Maurizio Fontanesi, Concorezzo, IT;
Roberto Catenacci, Milan, IT;
Assignee:
Euteco Impianti S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
2524 / ; 526124 ; 526125 ;
Abstract
Ziegler catalytic system formed of an organometallic compound of a metal of Group I, II or III of the Periodic System in combination with a transition metal compound supported on a carrier. The carrier is prepared by reacting magnesium chloride with an aliphatic alcohol and a fluorine-containing compound at 100.degree.-200.degree. C. to obtain an active complex comprising 2-15 wt. % of fluorine and 0.4-11 wt. % of alcoholic hydroxyl groups. The catalytic system may be used for the polymerization of alpha-olefins.