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:
Sep. 07, 1999
Filed:
Dec. 19, 1997
Applicant:
Inventors:
Roberto Santi, Novara, IT;
Giampietro Borsotti, Novara, IT;
Paolo Biagini, Trecate, IT;
Gabriele Lugli, S. Donato Mil.se, IT;
Viviano Banzi, Viagarano Mainarda, IT;
Assignee:
Enichem S.p.A., Milano, IT;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C07F / ; C07F / ;
U.S. Cl.
CPC ...
526129 ; 526160 ; 526943 ; 502103 ; 502117 ; 556 11 ; 556 12 ; 556 53 ;
Abstract
Catalytic component for the copolymerization of ethylene with alpha-olefins having general formula (I): ##STR1## wherein: A is a cyclopentadienyl derivative having general formula (II) ##STR2## B is selected from: 1) any of the cyclopentadienyl derivatives A defined above