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Featured researches published by Stefan Dr. Astegger.


Archive | 1990

Process for the preparation of an aqueous N-methylmorpholine N-oxide solution of cellulose.

Dieter Eichinger; Gallus Kirchgatterer; Stefan Dr. Astegger; Karin Weinzierl; Stefan Zikeli; Heinrich Firgo; Bernd Wolschner


Archive | 1991

Process for cleaning or purifying aqueous n-methylmorpholine-n-oxide solutions

Stefan Dr. Astegger; Heinrich Firgo; Bernd Wolschner; Johann Männer; Karin Weinzierl; Stefan Zikeli; Dieter Eichinger


Archive | 1990

Process for separating water from a diluted aqueous solution of N-methylmorpholine-N-oxide, N-methylmorpholine and/or morpholine

Stefan Zikeli; Karin Weinzierl; Dieter Eichinger; Stefan Dr. Astegger; Bernd Wolschner; Heinrich Firgo


Archive | 1990

Aqueous N-methylmorpholine N-oxide solution of cellulose

Dieter Eichinger; Johann Männer; Stefan Dr. Astegger; Karin Weinzierl; Peter Hinterholzer; Stefan Zikeli; Heinrich Firgo; Bernd Wolschner


Archive | 1992

PROCEDIMIENTO PARA SEPARAR AGUA DE UNA SOLUCION ACUOSA DILUIDA DE N-OXIDO DE N-METILMORFOLINA, N-METIL-MORFOLINA Y/O MORFOLINA.

Stefan Zikeli; Karin Weinzierl; Dieter Eichinger; Stefan Dr. Astegger; Bernd Wolschner; Heinrich Firgo


Archive | 1991

Spinning nozzle or spinneret for producing filaments from a flowable material

Stefan Zikeli; Hermann Koberger; Dieter Eichinger; Stefan Dr. Astegger; Karin Weinzierl; Raimund Jurhovic; Bernd Wolschner; Heinrich Firgo


Archive | 1991

Verfahren zur Reinigung von wässerigen N-Methylmorpholin-N-oxid-Lösungen. A process for the purification of aqueous N-methylmorpholine-N-oxide solutions.

Stefan Dr. Astegger; Heinrich Firgo; Bernd Wolschner; Johann Maenner; Karindr Weinzierl; Stefan Ing Zinkeli; Dieter Eichinger


Archive | 1990

PROCEDIMIENTO PARA PREPARAR UNA SOLUCION DE CELULOSA EN N-METILMORFOLIN-N-OXIDO Y AGUA.

Dieter Eichinger; Gallus Kirchgatterer; Stefan Dr. Astegger; Karin Weinzierl; Stefan Zikeli; Heinrich Firgo; Bernd Wolschner


Archive | 1990

Lösung von Cellulose in Wasser und N-Methyl-morpholin-N-oxid

Dieter Eichinger; Johann Männer; Stefan Dr. Astegger; Karin Weinzierl; Peter Hinterholzer; Stefan Zikeli; Heinrich Firgo; Bernd Wolschner


Archive | 1990

Verfahren zum Abtrennen von Wasser aus einer verdünnten, wässerigen Lösung von N-Methylmorpholin-N-Oxid, N-Methylmorpholin und/oder Morpholin. A method of separating water from a diluted aqueous solution of N-methylmorpholine-N-oxide, N-methylmorpholine and / or morpholine.

Stefan Zikeli; Karin Weinzierl; Dieter Eichinger; Stefan Dr. Astegger; Bernd Wolschner; Heinrich Firgo

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