Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777284 | Continuous preparation of carbalkoxy-containing aliphatic compounds | Robert Maerkl, Werner Bertleff, Gebhard Kuehn, Paul Panitz, Peter Stops +1 more | 1988-10-11 |
| 4777285 | Preparation of alkenecarboxylates | Uwe Vagt, Rolf Fischer, Walter Seufert, Rainer Becker | 1988-10-11 |
| 4755625 | Preparation of 1,1,2-trialkoxyethanes | Robert Maerkl, Werner Bertleff | 1988-07-05 |
| 4745228 | Preparation of cyclic ketones | Martin Decker, Rolf Fischer, Wolfgang Franzischka, Heinz-Walter Schneider, Uwe Vagt | 1988-05-17 |
| 4740525 | Preparation of ethylene glycol | Robert Maerkl, Werner Bertleff, Wolfgang Harder | 1988-04-26 |
| 4645855 | Preparation of succinic acid diesters | Johannes Reuvers, Wolfgang Richter | 1987-02-24 |
| 4619790 | Manufacture of higher alkylcarboxylic acids | Kurt Schwirten | 1986-10-28 |
| 4600726 | Preparation of ethylene glycol | Werner Bertleff, Franz-Josef Müller, Wolfgang Harder | 1986-07-15 |
| 4586987 | Obtaining C.sub.1 -C.sub.4 -alkyl pentenoates by distillation | Heinz-Walter Schneider, Otto Leman, Paul Panitz | 1986-05-06 |
| 4568653 | Working up of hydroformylation or carbonylation reaction mixtures | Kurt Schwirten, Wolfgang Richter | 1986-02-04 |
| 4561942 | Isolation of methyl 4-pentenoate from mixtures containing this and methyl 3-pentenoate | Heinz-Walter Schneider, Dieter Zimmerling | 1985-12-31 |
| 4550195 | Manufacture of pent-3-enoic acid and its alkyl esters | Rolf Platz, Heinz-Walter Schneider, Kurt Schwirten | 1985-10-29 |
| 4537987 | Preparation of pure monoesters of adipic acid | Heinz-Walter Schneider, Wolfgang Richter, Walter Disteldorf | 1985-08-27 |
| 4533757 | Continuous hydroformylation of olefinically unsaturated compounds | Wolfgang Richter, Kurt Schwirten, Peter Stops | 1985-08-06 |
| 4529815 | Preparation of 4-pentenoates | Heinz-Walter Schneider | 1985-07-16 |
| 4523027 | Purification of carboxylates containing aldehydes, acetals and/or unsaturated compounds | Heinz-Walter Schneider, Volker Taglieber, Franz-Josef Weiss | 1985-06-11 |
| 4454358 | Continuous production of ethanol and plural stage distillation of the same | Volker Taglieber, Heinz-Walter Schneider | 1984-06-12 |
| 4424394 | Manufacture of arylacetic acids and their esters | Kurt Schneider, Kurt Schwirten, Hans-Dieter Schindler, deceased, Maria E. Schindler, heir-at-law, Ute Lang, heir-at-law +1 more | 1984-01-03 |
| 4400549 | Hydroformylation of olefinically unsaturated compounds | Wolfgang Richter, Kurt Schwirten | 1983-08-23 |
| 4360692 | Preparation of formylvalerates | Heinz-Walter Schneider | 1982-11-23 |
| 4350572 | Purification of carboxylic acid esters containing aldehydes and/or acetals | Volker Taglieber, Franz Weis, Heinz-Walter Schneider | 1982-09-21 |
| 4316047 | Preparation of C.sub.1 -C.sub.4 -alkyl pent-3-enoates | Franz-Josef Weiss, Heinz-Walter Schneider, Volker Taglieber | 1982-02-16 |
| 4310686 | Preparation of butanedicarboxylic esters | Heinz-Walter Schneider, Volker Taglieber, Franz-Josef Weiss | 1982-01-12 |
| 4305888 | Manufacture of salts of dicarboxylic acids and diamines | Rolf Platz, Heinz-Walter Schneider | 1981-12-15 |
| 4262141 | Preparation of aldehydes | Wolfgang Richter, Kurt Schwirten | 1981-04-14 |