Purification of lactide rich streams

United States of America Patent

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Apr 30, 2013
Grant Date
Apr 22, 2010
app pub date
Aug 28, 2007
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Mar 14, 2007

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Abstract

A method for the purification or recovery of lactide rich streams by the combination of a suspension-based melt crystallization process with a subsequent separation of the pure lactide crystals in a wash column is disclosed.

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Patent Owner	Address
NIRO PROCESS TECHNOLOGY B V	5221 EE 'S-HERTOGENBOSCH

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C07D:HETEROCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Scholz, Reinhard Uwe	Kerken, DE	4	9
van, der Steen Robertus Petrus Maria	Vinkel, NL	1	1

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Purification of lactide rich streams

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United States of America Patent

12531170

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PATENT NO	8431725
APP PUB NO	20100099893A1
SERIAL NO	12531170
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 30, 2013	US,8431725,B2 US8431725B2	GRANTED PATENT AS SECOND PUBLICATION
April 22, 2010	US,20100099893,A1 US20100099893A1	FIRST PUBLISHED PATENT APPLICATION

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12531170

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