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:
Apr. 03, 2001
Filed:
Mar. 04, 1999
Applicant:
Inventors:
Roberto Santi, Novara, IT;
Giampietro Borsotti, Novara, IT;
Gianfranco Longhini, Novara, IT;
Paolo Biagini, Trecate, IT;
Antonio Proto, Novara, IT;
Francesco Masi, Lodi, IT;
Viviano Banzi, Vigarano Mainarda, IT;
Assignee:
Enichem S.p.A., San Donato Milanese, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/100 ; B01J 2/106 ;
U.S. Cl.
CPC ...
B01J 2/100 ; B01J 2/106 ;
Abstract
A “bridged” bis-cyclopentadienyl complex which can be advantageously used for the formation of a catalytic system active in the (co)polymerization of ethylene and other &agr;-olefins is represented by means of the following formula (II):