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. 26, 2011
Filed:
Nov. 25, 2003
Diego Brita, Ferrara, IT;
Andrea Casalini, Bologna, IT;
Daniele Evangelisti, Ferrara, IT;
Ofelia Fusco, Ferrara, IT;
Gianni Collina, Ferrara, IT;
Diego Brita, Ferrara, IT;
Andrea Casalini, Bologna, IT;
Daniele Evangelisti, Ferrara, IT;
Ofelia Fusco, Ferrara, IT;
Gianni Collina, Ferrara, IT;
Basell Poliolefine Italia S.p.A., Milan, IT;
Abstract
Solid Lewis adducts comprising MgCl, a Lewis base (LB) belonging to ethers, esters, ketones, silanes or amines and an alcohol ROH, in which R is a C1-C15 hydrocarbon group optionally substituted with heteroatoms containing groups, which compounds are in molar ratios to each other defined by the following formula MgCl(ROH)(LB)in which m ranges from 0.05 to 6, n ranges from 0.08 to 6. The solid Lewis adducts herein can be used to prepare catalysts having good morphological stability, and high polymerization activity.