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Featured researches published by Rolf Wittmann.


Archive | 1981

PROCESS FOR THE SEPARATION OF METAL CATALYSTS, AND USE OF MEMBRANE SEPARATION APPARATUSES

Willi Wintermeyer; Rolf Wittmann; Jügen Butzke


Archive | 1980

Process for the preparation of riboflavin

Rudolf Dr. Wolf; Fritz Dr. Reiff; Rolf Wittmann; Jürgen Butzke


Archive | 1981

Process for separating and recovering metal catalysts

Willi Wintermeyer; Rolf Wittmann; Jürgen Butzke


Archive | 1981

Process for the production of diacetone-keto-gulonic acid

Fritz Dr. Reiff; Willi Wintermeyer; Rolf Wittmann; Jürgen Butzke; Peter Müller


Archive | 1981

Preparation of diacetone-ketogulonic acid

Fritz Dr. Reiff; Willi Wintermeyer; Rolf Wittmann; Jürgen Butzke; Peter Müller


Archive | 1981

Verfahren zur Abtrennung von Metallkatalysatoren und Verwendung von Membrantrennvorrichtungen

Willi Wintermeyer; Rolf Wittmann; Juergen Ing Grad Butzke


Archive | 1980

Verfahren zur Herstellung von Riboflavin

Rudolf Dr. Wolf; Fritz Dr. Reiff; Rolf Wittmann; Jürgen Butzke


Archive | 1983

Preparation of diacetoneketogulonic acid by oxidation of diacetonesorbose

Rolf Wittmann; Willi Wintermeyer; Jürgen Butzke


Archive | 1982

PROCESS FOR THE PREPARATION OF DIACETONEKETOGULONIC ACID

Rolf Wittmann; Wittmann Rolf; Willi Wintermeyer; Wintermeyer Willi; Juergen Ing Grad Butzke; Butzke Juergen


Archive | 1981

A process for preparing diacetoneketogulonic acid

Fritz Dr. Reiff; Willi Wintermeyer; Rolf Wittmann; Juergen Ing Grad Butzke; Peter Mueller

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