Method for monitoring monomer concentration in interfacial polycarbonate manufacturing process

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United States of America Patent

PATENT NO 8426531
APP PUB NO 20120041158A1
SERIAL NO

13254062

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Abstract

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The present invention relates to an improved process for online measurement of monomer concentration, specifically bisphenol A, in an interfacial polycarbonate manufacturing process. Wherein the measurement is obtained by vibrational spectroscopy for the purpose of improving process control, specifically, controlling the carbonate polymer molecular weight.

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Patent Owner(s)

Patent OwnerAddress
TRINSEO EUROPE GMBHHORGEN SWITZERLAND HORGEN ZURICH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bartlett, Wenzel P Clute, US 1 1
Bradley, Jeffery S Missouri City, US 6 27
Chauvel,, Jr Jean P Lake Jackson, US 1 0
Hanson, John S Angleton, US 1 1
Ho, Thoi H Lake Jackson, US 67 1224
Leatherwood, Walter D Lake Jackson, US 1 1
Osby, John O Lake Jackson, US 35 122
Paradkar, Rajesh P Lake Jackson, US 11 11
Stephenson, Serena K Lake Jackson, US 2 8

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