Patent · US Active

1-butene ethylene copolymers

US7981993B2 · kind B2 · utility

2Cited by

5References

7Claims

0Family size

Assignee

Basell Polyolefine GmbH · DE

Inventors

Giampaolo Pellegatti · Ventimiglia, IT
Stefano Spataro · Ferrara, IT
Roberta Marchini · Runco, IT
Simona Guidotti · Ferrara, IT
Simona Esposito · Ferrara, IT

Key dates

Filing date	Jun 9, 2008
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Jun 9, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F4/65912
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A 1-butene ethylene copolymer having an ethylene derived units content ranging from 15.10% by molto 18.00% by mol having the following properties: a) distribution of molecular weight lower than 3; preferably b) hardness shore A (measured according to ISO 868) lower than 65; c) tension set lower than 30% at 100% of deformation (ISO 2285) d) no melting pointdetectable at the DSC; e) Melting enthalpy measured after 10 days of aging at room temperature comprised between 4 and 15 J/g.

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