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. 30, 2003
Filed:
Feb. 16, 2001
Applicant:
Inventors:
Mario Sacchetti, Ferrara, IT;
Diego Brita, Ferrara, IT;
Assignee:
Basell Polyolefine GmbH, Wesseling, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/76 ;
U.S. Cl.
CPC ...
C08F 4/76 ;
Abstract
The invention relates to catalyst components, suitable for the preparation of homopolymers and copolymers of ethylene having a broad molecular weight distribution (MWD), which comprise Ti, Mg, Cl, and are characterized by the following properties: surface area, determined by BET method, of lower than 100 m /g, a total porosity, measured by the mercury method, of higher than 0.25 cm /g, a pore radius distribution such that at least 45% of the total porosity is due to pores with radius up to 0.1 &mgr;m.