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:
May. 17, 2011
Filed:
Nov. 03, 2003
Giampiero Morini, Padua, IT;
Fabrizio Piemontesi, Ferrara, IT;
Gianni Vitale, Ferrara, IT;
Daniele Bigiavi, Bologna, IT;
Anteo Pelliconi, Rovigo, IT;
Enea Garagnani, Ferrara, IT;
Pietro Baita, Rovigo, IT;
Giampiero Morini, Padua, IT;
Fabrizio Piemontesi, Ferrara, IT;
Gianni Vitale, Ferrara, IT;
Daniele Bigiavi, Bologna, IT;
Anteo Pelliconi, Rovigo, IT;
Enea Garagnani, Ferrara, IT;
Pietro Baita, Rovigo, IT;
Basell Poliolefine Italia, S.p.A., Milan, IT;
Abstract
The present invention relates to butene-1 copolymers containing up to 40% by mol of ethylene and/or propylene derived characterized by the following properties: d) Product of the reactivity ratios r1·r2≦2; e) Content of butene-1 units in form of isotactic pentads (mmmm)>98%; and f) absence of 4,1 insertions of butene units.