Patent · US Active

Propylene-butene random copolymer produced in the presence of a metallocene catalyst

US8637625B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Klaus Bernreitner · Linz, AT
Manfred Stadlbauer · Linz, AT
Norbert Hafner · Linz, AT
Wilfried Töltsch · Wels, AT

Key dates

Filing date	Nov 16, 2009
Grant date	Jan 28, 2014
Priority date	—
Expiry date	Mar 17, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/139
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Propylene copolymer (a) comprising at least 1-butene as a comonomer, (b) having a comonomer content in the range of 1.0 to 3.0 wt.-%, (c) having a xylene soluble fraction equal or below 2.5 wt.-%, and (d) being partially crystallized in the β-modification.

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