Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056356 | Process for producing crystals | Peter Mark Allen, Christoph Gahn, Christopher William Rieker, Robert Karl Wagner | 2006-06-06 |
| 6083468 | Method of manufacturing a hydrogenation catalyst | Daniel Heineke, Gunther Achhammer, Alfred Thome | 2000-07-04 |
| 5882619 | Preparation of a hydrogenation catalyst using M(OR).sub.m X.sub.n | Daniel Heineke, Karsten Eller, Alfred Thome | 1999-03-16 |
| 5817592 | Process for the preparation of a hydrogenation catalyst | Daniel Heineke, Alfred Thome | 1998-10-06 |
| 5639706 | Hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur | Franz-Josef Weiss, Hugo Fuchs, Gerald Neubauer | 1997-06-17 |
| 5560895 | Method of use of a hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur | Franz-Josef Weiss, Hugo Fuchs, Gerald Neubauer | 1996-10-01 |
| 5554353 | Preparation of hydroxylammonium salts | Axel Wilms, R udiger Schmitz, Robert Schulz, Klaus Michelsen | 1996-09-10 |
| 5496789 | Hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur | Franz-Josef Weiss, Hugo Fuchs, Gerald Neubauer | 1996-03-05 |
| 5189182 | Preparation of 5-methylbutyrolactone | Rudolf Kummer, Werner Bertleff, Rolf Fischer, Uwe Vagt, Fritz Naeumann +2 more | 1993-02-23 |
| 5003102 | Preparation of 5-formylvaleric esters | Werner Bertleff, Rolf Fischer, Rudolf Kummer, Franz Merger | 1991-03-26 |
| 4801738 | Preparation of .delta.-formylvalerates | Rudolf Kummer, Volker Taglieber | 1989-01-31 |
| 4766237 | Preparation of 6-aminocaproates | Hans-Martin Hutmacher, Franz J. Broecker, Franz Merger, Rolf Fischer, Uwe Vagt +3 more | 1988-08-23 |
| 4745228 | Preparation of cyclic ketones | Martin Decker, Rolf Fischer, Wolfgang Franzischka, Rudolf Kummer, Uwe Vagt | 1988-05-17 |
| 4730041 | Preparation of .epsilon.-caprolactams | Hans-Martin Hutmacher, Franz Merger, Franz J. Broecker, Rolf Fischer, Uwe Vagt +3 more | 1988-03-08 |
| 4586987 | Obtaining C.sub.1 -C.sub.4 -alkyl pentenoates by distillation | Rudolf Kummer, Otto Leman, Paul Panitz | 1986-05-06 |
| 4561942 | Isolation of methyl 4-pentenoate from mixtures containing this and methyl 3-pentenoate | Rudolf Kummer, Dieter Zimmerling | 1985-12-31 |
| 4550195 | Manufacture of pent-3-enoic acid and its alkyl esters | Rolf Platz, Rudolf Kummer, Kurt Schwirten | 1985-10-29 |
| 4537987 | Preparation of pure monoesters of adipic acid | Wolfgang Richter, Walter Disteldorf, Rudolf Kummer | 1985-08-27 |
| 4529815 | Preparation of 4-pentenoates | Rudolf Kummer | 1985-07-16 |
| 4523027 | Purification of carboxylates containing aldehydes, acetals and/or unsaturated compounds | Rudolf Kummer, Volker Taglieber, Franz-Josef Weiss | 1985-06-11 |
| 4454358 | Continuous production of ethanol and plural stage distillation of the same | Rudolf Kummer, Volker Taglieber | 1984-06-12 |
| 4360692 | Preparation of formylvalerates | Rudolf Kummer | 1982-11-23 |
| 4350572 | Purification of carboxylic acid esters containing aldehydes and/or acetals | Rudolf Kummer, Volker Taglieber, Franz Weis | 1982-09-21 |
| 4316047 | Preparation of C.sub.1 -C.sub.4 -alkyl pent-3-enoates | Rudolf Kummer, Franz-Josef Weiss, Volker Taglieber | 1982-02-16 |
| 4310686 | Preparation of butanedicarboxylic esters | Rudolf Kummer, Volker Taglieber, Franz-Josef Weiss | 1982-01-12 |