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. 25, 2007
Filed:
Nov. 18, 2002
Paolo Biagini, Trecate-Novara, IT;
Stefano Ramello, Novara, IT;
Roberto Provera, Vercelli, IT;
Maria Rivellini, Legal Representative, Novara, IT;
Stefano Santi, Legal Representative, Novara, IT;
Laura Santi, Legal Representative, Novara, IT;
Paolo Biagini, Trecate-Novara, IT;
Stefano Ramello, Novara, IT;
Roberto Provera, Vercelli, IT;
Maria Rivellini, legal representative, Novara, IT;
Stefano Santi, legal representative, Novara, IT;
Laura Santi, legal representative, Novara, IT;
Polimeri Europa S.p.A., Brindisi, IT;
Abstract
A process is described for the preparation of ethylene copolymers having a wide molecular weight distribution, characterized in that it is carried out in the presence of meso- and rac-stereoisomeric mixtures of metallocene compounds having general formula (I), wherein A' and A″, the same or different, are a radical of the η?5-tetrahydroindenyl type (Ia)