Patent · US Active

1-butene propylene copolymer compositions

US8097681B2 · kind B2 · utility

2Cited by

20References

11Claims

0Family size

Assignee

Basell Polyolefine GmbH · DE

Inventors

Giampaolo Pellegatti · Ventimiglia, IT
Daniele Bigiavi · Bologna, IT
Rita Martelli · Ferrara, IT
Maria Silvia Tonti · Ferrara, IT
Luigi Resconi · Milano, IT
Simona Guidotti · Ferrara, IT

Key dates

Filing date	Aug 22, 2007
Grant date	Jan 17, 2012
Priority date	—
Expiry date	Sep 15, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/943
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A 1-butene/propylene copolymer composition having a content of propylene derived units from 1 to 4% by weight, wherein at least 50% of the crystalline polymer is present in the thermodynamically stable, trigonal Form I (detected by DSC analysis) after 100 hours of the first melting at room temperature comprising:

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