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. 13, 2014
Filed:
Oct. 11, 2006
Giampaolo Pellegatti, Boara, IT;
Paolo Goberti, Vigarano Mainarda, IT;
Giampaolo Pellegatti, Boara, IT;
Paolo Goberti, Vigarano Mainarda, IT;
Basell Poliolefine Italia S.r.l., Milan, IT;
Abstract
Polyolefin composition comprising, in percent by weight: A) 10-50% of a copolymer of propylene with one or more comonomer(s) selected from ethylene and CH═CHR alpha-olefins where R is a 2-8 carbon alkyl, which copolymer contains from 1 to 8% of comonomer(s); B) 50-90% of a blend of copolymers (b) and (b), wherein copolymer (b) contains from 18 to 40% of ethylene, and copolymer (b) contains from 55 to 85% of ethylene, and the weight ratio (b)/(b) is from 0.2 to 2; in which composition the copolymer component (b) is present in amounts of 15% or more with respect to the total weight of (A)+(B), the weight ratio C/Cof the content Cof ethylene in copolymer component (b) to the content Cof ethylene in copolymer component (b) is of 1.8 or more, and the intrinsic viscosity [η] of the fraction XS soluble in xylene at room temperature (about 25° C.), referred to the total weight of (A)+(B), is of 2 dl/g or more.