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Bernd Griehsel
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Bottrop, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for the production of N,N-carbonyldiazoles
Patent number
7,888,515
Issue date
Feb 15, 2011
Saltigo GmbH
Andreas Job
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing N,N'-carbonyldiazoles
Patent number
7,102,012
Issue date
Sep 5, 2006
LANXESS Deutschland GmbH
Andreas Job
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of 2,6-dichloro-5-fluoro-nicotinic acid a...
Patent number
6,441,182
Issue date
Aug 27, 2002
Bayer Aktiengesellschaft
Günter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of 2,6-dichloro-5-fluoronicotinonitrile a...
Patent number
6,197,964
Issue date
Mar 6, 2001
Bayer Aktiengesellschaft
Andreas Sattler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 6-oxo-(6H)-dibenz-[c,e][1,2]-oxaphosphorins (...
Patent number
5,650,530
Issue date
Jul 22, 1997
Bayer Aktiengesellschaft
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of substituted cycloalkylidene bisphenols
Patent number
5,210,328
Issue date
May 11, 1993
Bayer Aktiengesellschaft
Dieter Freitag
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Process for preparing N,N'-carbonyldiazoles
Publication number
20050272937
Publication date
Dec 8, 2005
Andreas Job
C07 - ORGANIC CHEMISTRY