Issued Patents All Time
Showing 51–75 of 148 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963672 | Preparation of caprolactam | Rolf Fischer, Wolfgang Harder, Claus-Ulrich Priester, Uwe Vagt | 1990-10-16 |
| 4950429 | Preparation of 6-aminocaproic acid | Uwe Vagt, Rolf Fischer, Hans-Martin Hutmacher | 1990-08-21 |
| 4939280 | Conversion of 1,3-dioxanes to 4-oxaaldehydes | Wolfgang Hoelderich, Helmut Lermer | 1990-07-03 |
| 4931590 | Preparation of adipic acid | Rudolf Kummer, Werner Bertleff, Rolf Fischer | 1990-06-05 |
| 4925823 | Process and catalyst for the preparation of methacrylic acid | Richard Krabetz, Gerd Duembgen, Friedbert Nees, Gerd Fouquet | 1990-05-15 |
| 4906769 | Isomerization of 2-pentenoates to 3-pentenoates | Rolf Fischer, Hans-Juergen Gosch | 1990-03-06 |
| 4879406 | Preparation of pentenoic esters from formylvaleric esters | Juergen Frank, Uwe Vagi, Rolf Fischer | 1989-11-07 |
| 4879405 | Preparation of pentenoic esters | Fritz Naeumann, Wolfgang Hoelderich | 1989-11-07 |
| 4876275 | 3,4-dihydro-2H-pyrans useful as pesticides | Walter Himmele, Hans Theobald, Ernst Hofmann, Christoph Kuenast, Peter Hofmeister | 1989-10-24 |
| 4874889 | Isomerization of 2-pentenoates to 3-pentenoates | Rolf Fischer, Hans-Juergen Gosch | 1989-10-17 |
| 4873362 | Preparation of 2-substituted 4-acyloxy-2-butenals | Rolf Fischer, Hans Horler | 1989-10-10 |
| 4853473 | Preparation of 2(5H)-furanones | Rolf Fischer, Juergen Frank, Michael Roeper, Uwe Vagt | 1989-08-01 |
| 4853454 | Preparation of storage-stable, moisture-cured, single-component polyurethane systems and their uses | Gisbert Schleier, Dietrich Schlotterbeck | 1989-08-01 |
| 4851565 | Catalyzed process for the preparation of an aliphatic, cycloaliphatic, arylaliphatic or aliphatic-cycloaliphatic di- or polyurethane | Freidrich Towae | 1989-07-25 |
| 4837357 | Preparation of 2,2-disubstituted 3-chloropropionic esters | Peter Hettinger | 1989-06-06 |
| 4777265 | Preparation of acrylates and methacrylates | Hans-Martin Hutmacher, Wolfgang Schwarz, Gerhard Nestler, Maria G. Szucsanyi, Rudolf Mueller-Mall | 1988-10-11 |
| 4767857 | Preparation of caprolactam | Claus-Ulrich Priester, Rolf Fischer, Manfred Sauerwald | 1988-08-30 |
| 4766237 | Preparation of 6-aminocaproates | Hans-Martin Hutmacher, Franz J. Broecker, Rolf Fischer, Uwe Vagt, Heinz-Walter Schneider +3 more | 1988-08-23 |
| 4760056 | Oximinophosphoric acid derivatives, and their use for controlling pests | Rainer Buerstinghaus, Rudolf Kropp, Karl Kiehs, Heinrich Adolphi | 1988-07-26 |
| 4748226 | Method of preparation of novel 2-(alkoxymethyl)-pentane-1,5-diisocyanates, 2-(alkoxymethyl)-pentane-1,5-diurethanes, and 2-(alkoxymethyl)-pentane-1,5-dicarbamic acid chlorides and their uses | Wolfgang Schwarz | 1988-05-31 |
| 4740610 | Process for the preparation of N,o-substituted mono- and/or polyurethanes | Friedrich Towae | 1988-04-26 |
| 4731445 | Preparation of epsilon-caprolactam | Hans-Martin Hutmacher, Franz J. Broecker, Rolf Fischer, Uwe Vagt, Wolfgang Harder +1 more | 1988-03-15 |
| 4730040 | Preparation of caprolactam | Uwe Vagt, Rolf Fischer, Hans-Martin Hutmacher | 1988-03-08 |
| 4730041 | Preparation of .epsilon.-caprolactams | Hans-Martin Hutmacher, Franz J. Broecker, Rolf Fischer, Uwe Vagt, Wolfgang Harder +3 more | 1988-03-08 |
| 4713476 | Process for the preparation of aliphatic di- and polyurethanes | Friedrich Towae | 1987-12-15 |