Patent · US Expired

Process for preparing low density ethylene copolymers

US5453475A · kind A · utility

12Cited by

2References

1Claims

0Family size

Assignee

BASF SE

Inventors

Bernhard Rieger · Langenau, DE
Dieter Lilge · Schifferstadt, DE
Kaspar Evertz · Schifferstadt, DE
Rainer Konrad · Putlitz, DE

Key dates

Filing date	Jun 14, 1994
Grant date	Sep 26, 1995
Priority date	—
Expiry date	Jun 14, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/903
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Low density ethylene copolymers are obtainable by adding an aromatic hydrocarbon solution of a catalyst system, containing, as active components, metallocene complexes of metals of subgroups IV and V of the Periodic Table and oligomeric alumina compounds, to a mixture containing ethylene, comonomers and aliphatic hydrocarbons.

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