IMPROVED POLYTETRAMETHYLENE ETHER GLYCOL MANUFACTURING PROCESS

United States of America Patent

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Nov 10, 2016
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Dec 19, 2014
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Dec 19, 2013

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Abstract

The present invention relates to an improved process for manufacturing polytetramethylene ether glycol. The process involves controlling the number average molecular weight of the diacetate of polytetramethylene ether glycol intermediate produced by tetrahydrofuran polymerization before methanolysis thereof to desired polytetramethylene ether glycol product.

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Patent Owner	Address
INVISTA NORTH AMERICA S Á R L	WILMINGTON DE

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C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....

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Inventor Name	Address	# of filed Patents	Total Citations
DORAI, Suri N	Weston Lakes, US	4	2

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IMPROVED POLYTETRAMETHYLENE ETHER GLYCOL MANUFACTURING PROCESS

Number of patents in Portfolio can not be more than 2000

United States of America Patent

15105781

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15105781

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