Patent · US Active

Polypropylene films and sheets

US9969820B2 · kind B2 · utility

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0References

14Claims

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Assignee

Basell Poliolefine Italia S.r.l. · IT

Inventors

Monica Galvan · Ferrara, IT
Roberto Pantaleoni · Ferrara, IT
Ofelia Fusco · Ferrara, IT
Benedetta Gaddi · Ferrara, IT
Andreas Neumann · Ferrara, IT
Antonio Mazzucco · Ferrara, IT
Gianni Collina · Cassana, IT

Key dates

Filing date	Jun 21, 2012
Grant date	May 15, 2018
Priority date	—
Expiry date	Jan 14, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2323/12
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Films or sheets of polypropylene, particularly biaxially oriented polypropylene (BOPP) films, exhibiting excellent physical and mechanical properties combined with good processing characteristics can be prepared from propylene polymers prepared in the presence of Ziegler-Natta catalysts comprising a succinate and a diether compound.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.