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Klaus Zahlmann
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Holzminden, DE
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last 30 patents
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Patent Grant
Process for the preparation of 2,3-pentanedione
Patent number
6,720,456
Issue date
Apr 13, 2004
Symrise GmbH & Co. KG
Stefan Lambrecht
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method of producing alkoxycinnamic acid ester
Patent number
6,680,404
Issue date
Jan 20, 2004
Symrise GmbH & Co. KG
Walter Kuhn
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Process for the preparation of 2,3-pentanedione
Publication number
20030092942
Publication date
May 15, 2003
Stefan Lambrecht
C07 - ORGANIC CHEMISTRY