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:
Dec. 18, 1990
Filed:
Sep. 27, 1989
Applicant:
Inventors:
Pier C Barbe, Ferrara, IT;
Luciano Noristi, Ferrara, IT;
Raimondo Scordamaglia, Milan, IT;
Luisa Barino, Novara, IT;
Enrico Albizzati, Arona, IT;
Umberto Giannini, Milan, IT;
Giampiero Morini, Voghera, IT;
Assignee:
Himont Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
502127 ; 502126 ; 502134 ; 526125 ;
Abstract
Catalysts for the polymerization of olefins, particularly alpha-olefin of the formula CH.sub.2 .dbd.CHR in which R is an alkyl radical with 1-6 carbon atoms or an aryl radical, obtained by the reaction of: