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:
Mar. 03, 1998
Filed:
Feb. 20, 1996
Applicant:
Inventors:
Giampiero Morini, Pavia, IT;
Enrico Albizzati, Novara, IT;
Giulio Balbontin, Ferrara, IT;
Giovanni Baruzzi, Ferrara, IT;
Antonio Cristofori, Occhiobello, IT;
Assignee:
Montell North America Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502126 ; 502103 ; 502115 ; 502134 ; 502119 ; 502156 ;
Abstract
Process for the preparation of a solid catalyst component for olefins polymerization including (1) a magnesium halide in active form, (2) a titanium compound, and (3) an electron-donor compound selected from particular 1,3-diethers, the process being carried out by reaction between the compounds from (1) to (3), and including at least two additions of electron-donor (3) in the following order: