Method for the reduction of impurities in polyester resins

United States of America Patent

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Sep 17, 1991
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N/A
app pub date
Dec 27, 1988
filing date
Dec 27, 1988

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Expired

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Abstract

A method for purifying polyethyleneterephthalate reins by contacting the resins with an atmosphere containing carbon dioxide under supercritical conditions.

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Patent Owner	Address
COBARR S P A	03012 ANAGNI (FROSINONE)

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

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Inventor Name	Address	# of filed Patents	Total Citations
Al-Ghatta, Hussain A	Fiuggi, IT	2	81

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Method for the reduction of impurities in polyester resins

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07289911

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PATENT NO	5049647
SERIAL NO	07289911
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07289911

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