Ethylene glycol removal of residual glycol impurities

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8546620
APP PUB NO 20100105966A1
SERIAL NO

12531895

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Abstract

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A process includes receiving a process stream including at least about 80.0% by weight propylene glycol, and contacting the process stream with an absorbent material to produce a product stream. The absorbent material is configured to preferentially absorb ethylene glycol relative to propylene glycol.

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Patent Owner(s)

Patent OwnerAddress
HUNTSMAN PETROCHEMICAL LLC10003 WOODLOCH FOREST DRIVE THE WOODLANDS TX 77380

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Forkner, Matthew W Spring, US 12 151
Zhang, Wenjin Fort Erie, US 33 336
Zhao, Haibo The Woodlands, US 86 296

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