Patent · US Active

Method for replacing incompatible ethylene polymerization catalysts

US9085650B2 · kind B2 · utility

0Cited by

2References

16Claims

0Family size

Assignee

TOTAL RESEARCH & TECHNOLOGY FELUY · BE

Inventors

Daan Dewachter · Mechelen, BE
Martine Slawinski · Nivelles, BE

Key dates

Filing date	Dec 17, 2010
Grant date	Jul 21, 2015
Priority date	—
Expiry date	Feb 15, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2410/05
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a method for optimizing the sequential use of at least two ethylene polymerization catalysts to an ethylene polymerization loop reactor, comprising:

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