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Hans-Dieter Gerriets
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Duisburg, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for improving the color number of trimethylolpropane
Patent number
8,686,197
Issue date
Apr 1, 2014
LANXESS Deutschland GmbH
Ulrich Notheis
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for isolating di-trimethylol propane
Patent number
8,642,816
Issue date
Feb 4, 2014
LANXESS Deutschland GmbH
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for improving the color number of trimethylolpropane
Patent number
8,003,830
Issue date
Aug 23, 2011
LANXESS Deutschland GmbH
Wolfgang Mägerlein
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Method for improving the color number of trimethylolpropane
Publication number
20120178973
Publication date
Jul 12, 2012
Lanxess Deutschland GmbH
Ulrich Notheis
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR ISOLATING DI-TRIMETHYLOL PROPANE
Publication number
20120010435
Publication date
Jan 12, 2012
Lanxess Deutschland GmbH
Gunter Rauchschwalbe
C07 - ORGANIC CHEMISTRY
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Patent Application
METHOD FOR IMPROVING THE COLOR NUMBER OF TRIMETHYLOLPROPANE
Publication number
20100137656
Publication date
Jun 3, 2010
Lanxess Deutschland GmbH
Wolfgang Mägerlein
C07 - ORGANIC CHEMISTRY