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Dive into the research topics where Rudi Widder is active.

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Featured researches published by Rudi Widder.


Archive | 1992

New amino di:carboxylic-N,N-di:acetic acid deriv., useful as complexing agents - is prepd. from amino di:carboxylic acids, formaldehyde and hydrocyanic acid, or alkali metal cyanide, with amino di:carboxylic acid-N,N-di:acetonitrile as intermediate

Juergen Schneider; Alfred Oftring; Matthias Dr Zipplies; Rudi Widder; Gerold Braun; Jochen Wild; Birgit Potthoff-Karl; Richard Baur


Archive | 1984

Preparation of alkali metal and alkaline earth metal salts of acyloxybenzenesulfonic acids

Wolf-Dieter Dr. Balzer; Hans-Heinrich D Bechtolsheimer; Karl-Heinz Dr. Beyer; Rolf Dr Fikentscher; Johannes Perner; Rudi Widder; Helmut Wolf


Archive | 1986

Preparation of acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts

Wolf-Dieter Dr. Balzer; Hans-Heinrich D Bechtolsheimer; Karl-Heinz Dr. Beyer; Rolf Dr Fikentscher; Johannes Perner; Rudi Widder; Helmut Wolf


Archive | 1999

Process for preparing N-alkyl ammonium acetonitrile compounds

Ulrich Annen; James E. Deline; Lafayette D. Foland; Kevin A. Klotter; Joseph Muller; Michael Muller; Klaus Mundinger; Martin A. Phillippi; Alfred Ruland; Wolfgang Schafer; Gregor Schürmann; Rudi Widder; Alfred G. Zielske


Archive | 1993

Process for preparing n-allyl compounds

Bernd Burkhart; Alfred Oftring; Rudi Widder; Ulrich Schroeder


Archive | 1985

PROCESS FOR THE PREPARATION OF ACYLOXYBENZENESULFONIC ACIDS AND THEIR ALKALINE OR ALKALINE-EARTH SALTS

Wolf-Dieter Dr. Balzer; Hans-Heinrich D Bechtolsheimer; Karl-Heinz Dr. Beyer; Rolf Dr Fikentscher; Johannes Perner; Rudi Widder; Helmut Wolf


Archive | 1984

Process for the preparation of alkali or alkaline-earth salts of acyloxybenzene-sulfonic acids

Wolf-Dieter Dr. Balzer; Hans-Heinrich D Bechtolsheimer; Karl-Heinz Dr. Beyer; Rolf Dr Fikentscher; Johannes Perner; Rudi Widder; Helmut Wolf


Archive | 1992

Preparation of sulfate betaines

Jochen Houben; Josef Mueller; Alfred Oftring; Rudi Widder


Archive | 1977

Acid neutralisation device - with mixing nozzle in intake to horizontal drum with mixing and conveying paddles

Karl-Heinz Dr. Beyer; Rolf Schneider; Rudi Widder; Werner Schuster


Archive | 1995

Preparation of N-allyl compounds

Bernd Burkhart; Alfred Oftring; Rudi Widder; Ulrich Schroeder

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