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:
Jun. 01, 2010
Filed:
Mar. 22, 2005
Anteo Pelliconi, S. Maria Maddalena, IT;
Enea Garagnani, Ferrara, IT;
Giampaolo Pellegatti, Baura, IT;
Antonella Angelini, Cocomaro di Cona, IT;
Anteo Pelliconi, S. Maria Maddalena, IT;
Enea Garagnani, Ferrara, IT;
Giampaolo Pellegatti, Baura, IT;
Antonella Angelini, Cocomaro di Cona, IT;
Basell Pololefine Italia s.r.l., Milan, IT;
Abstract
A masterbatch composition comprising (percent by weight): A) 15%-50% of a polypropylene component having a melt flow rate of from 1 to 250 g/10 min.; and B) 50%-85% of an olefin polymer partially soluble in xylene at room temperature, containing from 60% to 85% by weight of ethylene; said masterbatch composition having (i) a value of the intrinsic viscosity [η] of the fraction soluble in xylene at room temperature ([η]) equal to or lower than 2.9 dl/g, and (ii) a value of the ratio MFR/[η], , , , equal to or lower than 4, is added to polyolefin materials to obtain final compositions suitable for injection molding.