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. 21, 2005
Filed:
Nov. 27, 2002
Gianni Collina, Casalecchio di Reno, IT;
Anteo Pelliconi, Santa Maria Maddalena, IT;
Enea Garagnani, Ferrara, IT;
Gianni Collina, Casalecchio di Reno, IT;
Anteo Pelliconi, Santa Maria Maddalena, IT;
Enea Garagnani, Ferrara, IT;
Basell Poliolefine Italia S.p.A., Milan, IT;
Abstract
Highly transparent and flexible elastoplastic polyolefin compositions which contain A) 10-20 parts by weight of a propylene homopolymer or copolymer with ethylene and/or one or more CH═CHR α-olefins, the copolymer containing at least 95% by weight of propylene; B) 5-20 parts by weight of propylene copolymer fraction containing ethylene and insoluble in xylene at room temperature; and C) 60-80 parts by weight of a propylene copolymer fraction containing a comonomer selected from ethylene and mixtures of ethylene with one or more CH═CHR α-olefin and soluble in xylene at room temperature, the fraction containing from 15 to 25% by weight of the comonomer, the percent by weight of the sum of the B and C components with respect to the total polyolefin composition being from 80% to 90%.