SA

Stephan Astegger

LA Lenzing Aktiengesellschaft: 7 patents #19 of 223Top 9%
Overall (All Time): #764,564 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5847129 Process for the regeneration of an aqueous process liquid of the amine-oxide process Peter Harfmann 1998-12-08
5409532 Amine-oxides Dieter Eichinger, Heinz Falk, Gunter Teubl 1995-04-25
5216144 Method of producing shaped cellulosic articles Dieter Eichinger, Raimund Jurkovic, Heinrich Firgo, Peter Hinterholzer, Karin Weinzierl +1 more 1993-06-01
5189152 Cellulose solution in water and NMMO Peter Hinterholzer, Stefan Zikeli, Heinrich Firgo, Bernd Wolschner, Dieter Eichinger +2 more 1993-02-23
5118423 Method of removing water from a dilute solution of N-methylmorpholine-N-oxide, N-methylmorpholine, or morpholine Dieter Eichinger, Heinrich Firgo, Karin Weinzierl, Bernd Wolschner, Stefan Zikeli 1992-06-02
5053138 Process for purifying an aqueous solution of N-methyl-morpholine N-oxide Dietmar Korger, Dieter Eichinger, Karin Weinzierl, Johann Manner 1991-10-01
5043075 Method of removing amines Korger Dietmar, Dieter Eichinger, Heinrich Firgo 1991-08-27