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Siegmund Greschek
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Gladbeck, DE
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Patents Grants
last 30 patents
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Patent Grant
Process for preparing phenols
Patent number
6,875,898
Issue date
Apr 5, 2005
INEOS Phenol GmbH & Co. KG
Manfred Weber
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for preparing phenols
Patent number
6,630,608
Issue date
Oct 7, 2003
INEOS Phenol & GmbH Co., KG
Uwe Tanger
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Process for preparing phenols
Publication number
20030220528
Publication date
Nov 27, 2003
Manfred Weber
C07 - ORGANIC CHEMISTRY
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Patent Application
Process for preparing phenols
Publication number
20020183563
Publication date
Dec 5, 2002
Uwe Tanger
C07 - ORGANIC CHEMISTRY