Issued Patents All Time
Showing 201–225 of 244 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845269 | Preparation of 3-pentenoates from 2-pentenoates | Wolfgang Hoelderich, Manfred Sauerwald | 1989-07-04 |
| 4843171 | 1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes | Bernhard Schulz | 1989-06-27 |
| 4837346 | Preparation of esters of tetrahydropyran-4-carboxylic acid | Rainer Becker, Heinz Eckhardt, Wolfgang Spiegler, Uwe Vagt | 1989-06-06 |
| 4806679 | Isomerization of diacyloxybutenes | Wolfgang Hoelderich, Otto Hertel, Wolf D. Mross, Hans-Martin Weitz | 1989-02-21 |
| 4804786 | Preparation of 4-monoacetals of 2-methylbut-2-ene-1,4-dial | Bernhard Schulz | 1989-02-14 |
| 4791219 | Preparation of etherified 3-hydroxyvalerates | — | 1988-12-13 |
| 4791220 | Isomerization of 2-cis-pentenoates to 2-trans-pentenoates | — | 1988-12-13 |
| 4788293 | Preparation of 1-pyrazolines | Eckhard Stroefer, Wolfgang Rohr, Gerhard W. Rotermund, Reinhard Neudert | 1988-11-29 |
| 4780448 | Preparation of a catalyst containing copper and silica | Franz J. Broecker, Klaus-Dieter Malsch, Wolfgang Reiss, Rolf Schnabel, Hans-Martin Weitz | 1988-10-25 |
| 4777285 | Preparation of alkenecarboxylates | Rudolf Kummer, Uwe Vagt, Walter Seufert, Rainer Becker | 1988-10-11 |
| 4772746 | Preparation of 4-pentenoates | Wolfgang Hoelderich, Klaus-Dieter Malsch, Hubert Lendle | 1988-09-20 |
| 4767856 | Preparation of caprolactam from 6-aminocaproic acid, esters and amides | Toni Dockner, Manfred Sauerwald, Hans-Martin Hutmacher, Claus-Ulrich Priester, Uwe Vagt | 1988-08-30 |
| 4767857 | Preparation of caprolactam | Franz Merger, Claus-Ulrich Priester, Manfred Sauerwald | 1988-08-30 |
| 4766237 | Preparation of 6-aminocaproates | Hans-Martin Hutmacher, Franz J. Broecker, Franz Merger, Uwe Vagt, Heinz-Walter Schneider +3 more | 1988-08-23 |
| 4745228 | Preparation of cyclic ketones | Martin Decker, Wolfgang Franzischka, Rudolf Kummer, Heinz-Walter Schneider, Uwe Vagt | 1988-05-17 |
| 4740613 | Preparation of 4-pentenoates | Uwe Vagi | 1988-04-26 |
| 4731445 | Preparation of epsilon-caprolactam | Hans-Martin Hutmacher, Franz Merger, Franz J. Broecker, Uwe Vagt, Wolfgang Harder +1 more | 1988-03-15 |
| 4730040 | Preparation of caprolactam | Uwe Vagt, Franz Merger, Hans-Martin Hutmacher | 1988-03-08 |
| 4730041 | Preparation of .epsilon.-caprolactams | Hans-Martin Hutmacher, Franz Merger, Franz J. Broecker, Uwe Vagt, Wolfgang Harder +3 more | 1988-03-08 |
| 4709097 | Conversion of 1,3-dioxanes to 4-oxa-aldehydes | Wolfgang Hoelderich, Franz Merger | 1987-11-24 |
| 4694107 | Preparation of ketones by isomerization of aldehydes | Wolfgang Hoelderich, Franz Merger, Wolf D. Mross | 1987-09-15 |
| 4677230 | Preparation of 2-methyl-2-alkenals | Leopold Hupfer, Franz Merger, Franz J. Broecker | 1987-06-30 |
| 4665252 | Preparation of alkylbenzenes | Wolfgang Hoelderich, Wolf D. Mross, Frank-Friedrich Pape | 1987-05-12 |
| 4650896 | Preparation of 2-alkyl-4,4-diacyloxybut-2-enals | Joachim Paust | 1987-03-17 |
| 4618704 | Acyloxy-2-butenes and their preparation | Hans-Martin Weitz | 1986-10-21 |