Polymerization quench method and system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7771667
APP PUB NO 20080194777A1
SERIAL NO

12020191

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A transfer method and system (8) to discharge overflow slurry from a polymerization reactor (10) to a tank (14). The method includes thermally isolating a conduit extension (28) at a distal end of a transfer line (20) from a quench fluid inlet (42) to a quench chamber (12). The transfer system (8) is characterized by an annular thermal barrier around the conduit extension (28) that can include insulation (34) and/or thermally resistant support ring (36), and a trap-free conduit (20) in fluid communication between the reactor (10) and the conduit extension (28). The transfer method and system can reduce or eliminate incidents of transfer line (20) plugging in the manufacture of isoolefin polymers and copolymers.

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Patent Owner(s)

Patent OwnerAddress
EXXONMOBIL CHEMICAL PATENTS INC22777 SPRINGWOODS VILLAGE PKWY TECH & IP LAW SPRING TX 77389

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jean-Pierre, Courseaux St. Nicolas De La Taille, FR 1 2
Michael, F McDonald Kingwood, US 1 2
Pamela, J Wright Easton, US 1 2
Ralph, H Schatz Sunset, US 1 2
Richard, E Baud League City, US 1 2
Robert, N Webb Kingwood, US 4 59
Scott, T Milner Somerville, US 1 2
Timothy, D Shaffer Hackettstown, US 3 58

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