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Ulrich Niggemeyer
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Marl, DE
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last 30 patents
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Patent Grant
Purification of an aromatic fraction containing acetylenes by selec...
Patent number
8,293,959
Issue date
Oct 23, 2012
ISP Investment Inc.
Cornelius Peuckert
C07 - ORGANIC CHEMISTRY
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last 30 patents
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Patent Application
Purification of an Aromatic Fraction Containing Acetylenes by Selec...
Publication number
20100217053
Publication date
Aug 26, 2010
Cornelius Peuckert
C07 - ORGANIC CHEMISTRY