| 5700358 |
Recovery of caprolactam from oligomers and/or polymers of caprolactam |
Hugo Fuchs, Gerald Neubauer |
1997-12-23 |
| 5693793 |
Preparation of caprolactam from 6-aminocapronitrile |
Eberhard Fuchs, Guido Voit, Gunther Achhammer, Rolf Fischer |
1997-12-02 |
| 5536831 |
Obtaining caprolactam by cleavage of molten polycaprolactam |
Michael Kopietz, Alan Handerman, Simon Jones, Ulrich Kalck, Claus-Ulrich Priester +3 more |
1996-07-16 |
| 5496941 |
Process for continuous purification of crude caprolactam prepared from 6-aminocapronitrile |
Rolf Fischer, Werner Schnurr, Gu/ nther Achhammer, Hermann Luyken, Eberhard Fuchs |
1996-03-05 |
| 5458740 |
Process for the purification of crude caprolactam |
Thomas P. Losier, Donald R. Johnson, Hugo Fuchs, Gerald Neubauer |
1995-10-17 |
| 5441607 |
Recovery of caprolactam from distillation residues obtained in the purification of caprolactam |
Hugo Fuchs, Hans J. Wilfinger, David Weatherford |
1995-08-15 |
| 5360905 |
Recovery of caprolactam from oligomers and/or polymers of caprolactam |
Hugo Fuchs, Claus-Ulrich Priester, Gerald Neubauer, Erwin Brunner, Michael Kopietz |
1994-11-01 |
| 5359062 |
Recovery of caprolactam from polycaprolactam |
Hugo Fuchs, Gerald Neubauer, Claus-Ulrich Priester |
1994-10-25 |
| 5264571 |
Preparation of caprolactam by Beckmann rearrangement of cyclohexanone oxime |
Hugo Fuchs, Gerald Neubauer |
1993-11-23 |
| 5236685 |
Preparation of hydroxylammonium salts |
Hugo Fuchs, Franz-Josef Weiss |
1993-08-17 |
| 5155081 |
Platinum-on-graphite catalysts |
Werner Steigleiter, Wolfgang Hoelderich, Franz-Josef Weiss, Hugo Fuchs, Luc Guns +1 more |
1992-10-13 |
| 5124138 |
Work-up of aqueous mother liquors containing hydrochloric acid, sulfuric acid and their hydroxyl-ammonium and ammonium salts |
Hugo Fuchs, Gerald Neubauer |
1992-06-23 |
| 5120699 |
Platinum-on-graphite catalysts and the use thereof |
Franz-Josef Weiss, Hugo Fuchs, Werner Steigleiter, Wolfgang Hoelderich, Luc Guns +1 more |
1992-06-09 |
| 5032684 |
Continuous purification of caprolactam |
Gerald Neubauer, Hugo Fuchs, David Agar, Rolf Fischer, Uwe Vagt |
1991-07-16 |
| 4997635 |
Preparation of crystalline hydroxylammonium sulfate having a low ammonium sulfate content |
Hugo Fuchs, Gerald Neubauer, Franz-Josef Weiss |
1991-03-05 |
| 4931592 |
Storability of molten cyclohexanone oxime |
Hugo Fuchs, David Agab, Gerald Neubauer |
1990-06-05 |
| 4889704 |
Preparation of hydroxylammonium salts |
Hugo Fuchs, Erwin Thomas, Franz-Josef Weiss |
1989-12-26 |
| 4882430 |
Recovery of caprolactam from caprolactam distillation low boilers or high boilers or mixtures thereof |
Gerald Neubauer, Emile De Decker, Hugo Fuchs, Bernhard Holzknecht |
1989-11-21 |
| 4814511 |
Working up cyclohexyl hydroperoxide containing reaction mixtures |
Gerald Neubauer, Rolf Schnabel, Juergen Hartig |
1989-03-21 |
| 4778669 |
Preparation of aqueous solutions of free hydroxylamine |
Hugo Fuchs, Franz-Josef Weiss, Erwin Thomas |
1988-10-18 |
| 4737354 |
Preparation of hydroxylamine-O-sulfonic acid |
Hugo Fuchs, Franz-Josef Weiss, Erwin Thomas |
1988-04-12 |
| 4725360 |
Working up wastewaters containing hydroxylamine or its salts |
Hugo Fuchs, Erwin Thomas, Franz-Josef Weiss |
1988-02-16 |
| 4634584 |
Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation |
Otto-Alfred Grosskinsky, Elmar Frommer, Erwin Thomas, Franz-Josef Weiss |
1987-01-06 |
| 4629613 |
Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation |
Otto-Alfred Grosskinsky, Elmar Frommer, Erwin Thomas, Franz-Josef Weiss |
1986-12-16 |
| 4601800 |
Preparation of aqueous solutions of hydroxylammonium carbonate |
Franz-Josef Weiss, Wolfgang Habermann, Peter Hammes, Erwin Thomas, Peter Thoma |
1986-07-22 |