Patent · US Active

Reduced blockage when transferring polymer product from one reactor to another

US8344077B2 · kind B2 · utility

0Cited by

1References

8Claims

0Family size

Assignee

Total Petrochemicals Research Feluy · BE

Inventors

Daan Dewachter · Mechelen, BE
Daniel Siraux · Naast, BE
Andre Lewalle · Brussels, BE

Key dates

Filing date	Nov 4, 2008
Grant date	Jan 1, 2013
Priority date	—
Expiry date	Feb 23, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2400/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention is related to the field of olefin polymerisation in double loop reactors and especially to the polymerisation of olefins with very active catalyst systems. It discloses a method for reducing blockage when transferring polymer product from the first loop to the second loop of a double loop reactor.

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