Christian Lettmann | Researchain

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Featured researches published by Christian Lettmann.

Archive | 2001

Process for the preparation of 3-aminomethyl-3,5,5-trimethylcyclohexylamine

Daniel Ostgard; Monika Berweiler; Stefan Röder; Jörg Dr. Sauer; Bernd Jaeger; Norbert Finke; Christian Lettmann

Archive | 2010

Method for producing 2,6-dioxabicyclo-(3.3.0)-octane-4,8-dione

Uwe Dingerdissen; Jan Christoph Pfeffer; Thomas Tacke; Thomas Haas; Harald Schmidt; Michael Volland; Michael Rimbach; Christian Lettmann; Roger A. Sheldon; Michiel Janssen

Archive | 2003

Process for increasing the selectivity of the hydrogenation of 4,4'-diaminodiphenylmethane to 4,4'-diaminodicyclohexylmethane in the presence of an n-alkyl-4,4'-diaminodiphenylmethane

Bernd Jaeger; Thomas Haas; Guido Stochniol; Christian Lettmann; Willi Hofen; Klaus Stadtmueller; Joerg Lotz

Archive | 2002

Method for synthesis of aliphatic isocyanates from aromatic isocyanates

Christian Lettmann; Stephan Kohlstruk; Guido Stochniol; Emmanouil Spyrou

Archive | 2003

Process for the preparation of aliphatic isocyanates from aromatic isocyanates

Norbert Finke; Stephan Kohlstruck; Manfred Kreczinski; Christian Lettmann; Rainer Lomölder; Emmanouil Spyrou; Guido Stochniol

Archive | 2002

Method for hydrogenation of aromatic urethanes in the presence of a supported rutheniun catalyst

Norbert Finke; Ranier Lomoelder; Christian Lettmann; Guido Stochniol

Archive | 2001

Method for producing isophoronediamine

Monika Berweiler; Norbert Finke; Bernd Jaeger; Christian Lettmann; Daniel Ostgard; Stefan Roeder; Joerg Dr Sauer; ザウアーイェルク; レットマンクリスティアン; レーダーシュテファン; オストガルトダニエル; フィンケノルベルト; イェーガーベルント; ベルヴァイラーモニカ

Archive | 2012

Composite film and packaging produced therefrom

Andreas Luecke; Andre Ebbers; Christian Lettmann

Archive | 2012

COMPOSITE SHEET, AND PACKAGING MATERIAL MANUFACTURED FROM THE SAME

Andreas Luecke; リュッケアンドレアス; Andre Ebbers; エバースアンドレ; Christian Lettmann; レットマンクリスティアン

Archive | 2010

Procédé pour préparer de la 2,6-dioxabicyclo-(3.3.0)-octan-4,8-dione

Uwe Dingerdissen; Jan Christoph Pfeffer; Thomas Tacke; Thomas Haas; Harald Schmidt; Michael Volland; Michael Rimbach; Christian Lettmann; Roger A. Sheldon; Michiel Janssen

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