METHOD FOR THE PRODUCTION OF POLYVINYL ACETALS HAVING A LOW RESIDUAL ALDEHYDE CONTENT IN WASTE WATER

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Issued Date
May 12, 2011
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Sep 5, 2007
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Sep 5, 2007

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Abstract

Aldehyde content of the waste water from polyvinylacetal production from polyvinyl alcohols is reduced by acetalizing a portion of total polyvinyl alcohol, and after precipitation of polyvinyl acetal, adding a further portion of polyvinyl alcohol.

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KURARAY EUROPE GMBH	HATTERSHEIM AM MAIN

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C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....

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Inventor Name	Address	# of filed Patents	Total Citations
Papenfuhs, Bernd	Obertshausen, DE	22	217

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METHOD FOR THE PRODUCTION OF POLYVINYL ACETALS HAVING A LOW RESIDUAL ALDEHYDE CONTENT IN WASTE WATER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12675292

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12675292

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