Patent · US Active

Process for the gas-phase polymerization of ethylene or ethylene mixtures

US9873754B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

Basell Polyolefine GmbH · DE

Inventors

Gabriele Mei · Ferrara, IT
Pietro Baita · Rovigo, IT
Lorella Marturano · Ferrara, IT
Antonio Mazzucco · Ferrara, IT
Roberta Pica · Ferrara, IT
Gerhardus Meier · Frankfurt, DE
Ulf Schueller · Weiterstadt, DE

Key dates

Filing date	May 13, 2014
Grant date	Jan 23, 2018
Priority date	—
Expiry date	Sep 6, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2410/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process for the gas-phase polymerization of ethylene or a mixture of ethylene and one or more 1 olefins in the presence of a polymerization catalyst system comprising the steps

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