Patent · US Active

Polyethylene and catalyst composition for its preparation

US8008403B2 · kind B2 · utility

11Cited by

21References

9Claims

0Family size

Assignee

Basell Polyolefine GmbH · DE

Inventors

Jennifer Kipke · Frankfurt, DE
Shahram Mihan · Bad Soden, DE
Rainer Karer · Kaiserslautern, DE
Dieter Lilge · Schifferstadt, DE

Key dates

Filing date	Apr 25, 2005
Grant date	Aug 30, 2011
Priority date	—
Expiry date	Apr 21, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1345
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with 1-alkenes and has a molar mass distribution width Mw/Mn of from 5 to 30, a density of from 0.92 to 0.955 g/cm3, a weight average molar mass Mw of from 50000 g/mol to 500 000 g/mol and has from 0.01 to 20 branches/1000 carbon atoms and a z-average molar mass Mz of less than 1 million g/mol, a process for its preparation, catalysts suitable for its preparation and also films in which this polyethylene is present.

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