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. 23, 2008
Filed:
Nov. 25, 2003
Applicants:
Diego Brita, Ferrara, IT;
Gianni Collina, Ferrara, IT;
Giampiero Morini, Padua, IT;
Gianni Vitale, Ferrara, IT;
Inventors:
Diego Brita, Ferrara, IT;
Gianni Collina, Ferrara, IT;
Giampiero Morini, Padua, IT;
Gianni Vitale, Ferrara, IT;
Assignee:
Basell Poliolefine Italia S.p.A, Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst component for olefin (co)polymerization, and in particular for the preparation of LLDPE, comprising Mg, Ti, halogen and an electron donor compound (ED) belonging to ethers, esters, amines, ketones, or nitriles, characterized in that the molar ratio Mg/Ti is higher than 5, and the molar ratio ED/Ti is higher than 3.5. The said catalyst components display a homogeneous distribution of the comonomer in and among the copolymer chains.