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:
Jul. 24, 2012
Filed:
Mar. 31, 2010
Gianni Vitale, Ferrara, IT;
Fabrizio Piemontesi, Ferrara, IT;
Ines Mingozzi, Ferrara, IT;
Isabella Maria Vittoria Camurati, Ferrara, IT;
Giampaolo Pellegatti, Boara, IT;
Gianni Vitale, Ferrara, IT;
Fabrizio Piemontesi, Ferrara, IT;
Ines Mingozzi, Ferrara, IT;
Isabella Maria Vittoria Camurati, Ferrara, IT;
Giampaolo Pellegatti, Boara, IT;
Basell Poliolefine Italia s.r.l., Milan, IT;
Abstract
A process for the preparation of 1-butene homopolymers or 1-butene/alpha olefin copolymers wherein the alpha olefins are selected from ethylene, propylene or alpha olefins of formula CH═CHZ wherein Z is a C-Calkyl radical, comprising contacting 1-butene or 1-butene and one or more alpha olefins under polymerization conditions in the presence of a catalyst system comprising: