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Ralf Echterhoff

Bayer

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Publication

Featured researches published by Ralf Echterhoff.

Archive | 2004

Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4'-methylenediphenyl diisocyanate and 2,4'-methylenediphenyl diisocyanate

Hans-Georg Pirkl; Ulrich Dr Liman; Robert Vieler; Ralf Echterhoff

Archive | 2004

Process for the preparation of mixtures of di- and polyisocyanates of the diphenylmethane series with a high amount of 4,4'-methylenediphenyldiisocyanate and 2,4'-methylenediphenyldiisocyanate

Hans-Georg Pirkl; Ulrich Dr Liman; Robert Vieler; Ralf Echterhoff

Archive | 2006

Process for the preparation of 4,4'-diphenylmethane diisocyanate

Berthold Keggenhoff; Ralf Echterhoff; Ricardo-Burel Serra

Archive | 2005

Production of di- and polyisocyanates of the diphenylmethane series with defined acidity

Ulrich Dr Liman; Heinz-Herbert Dr. Müller; Robert Vieler; Ralf Echterhoff

Archive | 2003

Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat

Ralf Echterhoff; Ulrich Dr Liman; Hans-Georg Pirkl; Robert Vieler

Archive | 2006

Process for preparing 4,4'-diphenylmethane diisocyanate.

Ralf Echterhoff; Berthold Keggenhoff; Ricardo Serra

Archive | 2005

Procédé pour la préparation de di- et polyisocyanates de la série de diphenylmethane avec acidité définie

Ralf Echterhoff; Ulrich Dr Liman; Heinz-Herbert Dr. Müller; Robert Vieler

Archive | 2005

Process for the preparation of di- and polyisocyanates of the diphenylmethane series with defined acidity

Ulrich Dr Liman; Heinz-Herbert Dr. Müller; Robert Vieler; Ralf Echterhoff

Archive | 2005

Verfahren zur Herstellung von 4,4'-Diphenylmethan Diisocyanat A process for the preparation of 4,4'-diphenylmethane diisocyanate

Ralf Echterhoff; Berthold Keggenhoff; Ricardo-Burel Serra

Archive | 2003

Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat Preparation of mixtures of di- and polyisocyanates of the diphenylmethane series with high contents of 4,4'-methylene diphenyl diisocyanate and 2,4'-methylene diphenyl diisocyanate

Ralf Echterhoff; Ulrich Dr Liman; Hans-Georg Pirkl; Robert Vieler

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Robert Vieler

Bayer

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Ulrich Dr Liman

Bayer

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Hans-Georg Pirkl

Bayer

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Berthold Keggenhoff

Bayer

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Heinz-Herbert Dr. Müller

Bayer

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Ricardo-Burel Serra

Bayer

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