IN-LINE TRIMMING OF DRY CATALYST FEED - EXXONMOBIL CHEMICAL PATENTS INC

Title:

IN-LINE TRIMMING OF DRY CATALYST FEED

Document Type and Number:

WIPO Patent Application WO/2020/092584

Kind Code:

A3

Abstract:

A process for polymerizing polyethylene is disclosed. The process comprises contacting ethylene and at least one co-monomer with a catalyst system to produce a polyolefin. The first catalyst and at least a portion of the second catalyst are co- supported to form a commonly- supported catalyst system. The catalyst system is introduced to a line as a dry-feed. The line is coupled with a polymerization reactor. A carrier fluid is added to the line to form a slurry. The slurry is introduced to the polymerization reactor.

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WO/1998/020046	PROCESS FOR REDUCING POLYMER BUILD-UP IN RECYCLE LINES AND HEAT EXCHANGERS DURING POLYMERIZATIONS ENPLOYING BUTADIENE, ISOPRENE, AND/OR STYRENE
WO/2003/044064	POLYMERISATION CONTROL PROCESS

Inventors:

SANDERS DAVID (US)
HOLTCAMP MATTHEW (US)
STEVENS KEVIN (US)
OLSON JOSHUA (US)

Application Number:

PCT/US2019/058886

Publication Date:

June 11, 2020

Filing Date:

October 30, 2019

Export Citation:

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Assignee:

EXXONMOBIL CHEMICAL PATENTS INC (US)

International Classes:

C08F2/34; C08F4/659; C08F210/16

Domestic Patent References:

WO2015123179A1	2015-08-20
WO2015123177A1	2015-08-20
WO2018084983A1	2018-05-11
WO2001016005A1	2001-03-08

Foreign References:

US6391985B1

2002-05-21

Attorney, Agent or Firm:

REID, Frank, E. et al. (US)

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