Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904818 | Process for the regeneration of an aqueous process liquid of the amine-oxide process | Wolfram Kalt, Dieter Eichinger, Bruno Mangeng | 1999-05-18 |
| 5858285 | Process for the production of an aqueous solution of a tertiary amine-oxide | Johann Manner, Bruno Mangeng, Eduard Mulleder, Wolfram Kalt | 1999-01-12 |
| 5837184 | Process for the production of cellulose fibres having a reduced tendency to fibrillation | Markus Eibl, Johann Schickermuller | 1998-11-17 |
| 5795488 | Process for transporting a solution of cellulose in an aqueous tertiary amine-oxide | Wolfram Kalt, Johann Manner, Franz Schwenninger | 1998-08-18 |
| 5795522 | Cellulose fibre | Sigrid Seidl, Peter Bartsch, Berndt Koll, Eduard Mulleder | 1998-08-18 |
| 5766530 | Process for the production of cellulose moulded bodies | Wolfram Kalt, Johann Manner, Arnold Nigsch, Christian Hager, Wolfgang Helmut Schkorwaga | 1998-06-16 |
| 5679146 | Moulding materials and spinning materials containing cellulose | Wolfram Kalt, Johann Manner | 1997-10-21 |
| 5662858 | Process for the production of cellulose fibres having a reduced tendency to fibrillation | Markus Eibl, Johann Schickermuller | 1997-09-02 |
| 5653931 | Process for the production of cellulose moulded bodies | Markus Eibl | 1997-08-05 |
| 5628941 | Process for the production of cellulose moulded bodies | Wolfram Kalt, Johann Manner, Eduard Mulleder, Bruno Mangeng, Arnold Nigsch +2 more | 1997-05-13 |
| 5602247 | Process for the purification of aqueous solutions of tertiary amine-oxides | Eduard M ulleder | 1997-02-11 |
| 5601767 | Process for the production of a cellulose moulded body | Dieter Eichinger, Markus Eibl | 1997-02-11 |
| 5556452 | Moulding materials and spinning materials containing cellulose | Wolfram Kalt, Johann M anner | 1996-09-17 |
| 5503749 | Process for the purification of aqueous solutions of amine-oxides | Johann Manner, Wolfram Kalt, Werner Richardt | 1996-04-02 |
| 5330567 | Process and arrangement for preparing a solution of cellulose | Stefan Zikeli, Bernd Wolschner, Dieter Eichinger, Raimund Jurkovic | 1994-07-19 |
| 5252284 | Method of producing shaped cellulosic articles | Raimund Jurkovic, Dieter Eichinger, Stefan Zikeli | 1993-10-12 |
| 5216144 | Method of producing shaped cellulosic articles | Dieter Eichinger, Raimund Jurkovic, Stephan Astegger, Peter Hinterholzer, Karin Weinzierl +1 more | 1993-06-01 |
| 5189152 | Cellulose solution in water and NMMO | Peter Hinterholzer, Stefan Zikeli, Bernd Wolschner, Dieter Eichinger, Johann Manner +2 more | 1993-02-23 |
| 5178764 | Process for cleaning or purifying aqueous N-methylmorpholine-N-oxide solutions | Stefan Astegger, Bernd Wolschner, Johann Manner, Karin Weinzierl, Stefan Zikeli +1 more | 1993-01-12 |
| 5118423 | Method of removing water from a dilute solution of N-methylmorpholine-N-oxide, N-methylmorpholine, or morpholine | Stephan Astegger, Dieter Eichinger, Karin Weinzierl, Bernd Wolschner, Stefan Zikeli | 1992-06-02 |
| 5094690 | Process and arrangement for preparing a solution of cellulose | Stefan Zikeli, Bernd Wolschner, Dieter Eichinger, Raimund Jurkovic | 1992-03-10 |
| 5043075 | Method of removing amines | Korger Dietmar, Stephan Astegger, Dieter Eichinger | 1991-08-27 |