Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407888 | Silver catalyst | Klaus Herzog, Stefan Boeck, Juergen Plueckhan, Karl-Heinz Boehning, Ewald Gallei | 1995-04-18 |
| 5128307 | Copper-containing catalyst for low temperature shift conversion | Herbert Wanjek, Claus Witte, Michael Jolyon Sprague, Matthias Irgang, Wolfgang Hoelderich | 1992-07-07 |
| 5017542 | Catalyst for the oxidation and ammonoxidation of .alpha.-, .beta.-unsaturated hydrocarbons | Hans Martan, Gerd-Juergen Engert | 1991-05-21 |
| 5011809 | Preparation of a silver catalyst | Klaus Herzog, Karl-Heinz Boehning, Heinrich Aichinger, Juergen Plueckhan, Matthias Schwarzmann | 1991-04-30 |
| 4929759 | Production of amines from an olefin and ammonia or a primary or secondary amine | Volker Taglieber, Wolfgang Hoelderich, Rudolf Kummer, Guenter Saladin | 1990-05-29 |
| 4929758 | Preparation of tert-butylamine from isobutene | Volker Taglieber, Wolfgang Hoelderich, Rudolf Kummer, Guenter Saladin | 1990-05-29 |
| 4829043 | Silver catalyst and a process for its preparation | Karl-Heinz Boehning, Matthias Schwarzmann, Hans-Juergen Becker, Juergen Plueckhan, Klaus-Christian Renner | 1989-05-09 |
| 4806679 | Isomerization of diacyloxybutenes | Wolfgang Hoelderich, Rolf Fischer, Otto Hertel, Hans-Martin Weitz | 1989-02-21 |
| 4777322 | Obtaining but-2-enes from C.sub.4 -hydrocarbon mixtures which contain but-1-ene and may or may not contain but-2-enes | Wolfgang Hoelderich, Alfred Lindner, Max Strohmeyer, Klaus Volkamer | 1988-10-11 |
| 4753914 | Molded supported catalyst | Hans-Dieter Eichhorn, Helmut Schachner, Matthias Schwarzmann | 1988-06-28 |
| 4740493 | Silver catalyst and its preparation | Karl-Heinz Boehning, Matthias Schwarzmann, Hans-Juergen Becker, Juergen Plueckhan, Klaus-Christian Renner | 1988-04-26 |
| 4740644 | Preparation of 1,2-dichloroethane by oxychlorination of ethylene over a copper-containing supported catalyst | Hans-Dieter Eichhorn, Hans H. Schneehage, Luc Cordemans, Werner Hebgen, Christof Jaeckh | 1988-04-26 |
| 4711930 | Honeycomb catalyst and its preparation | Wolfgang Hoelderich, Werner Biffar, Matthias Irgang, Michael Kroener, Eberhard Ambach | 1987-12-08 |
| 4694107 | Preparation of ketones by isomerization of aldehydes | Wolfgang Hoelderich, Franz Merger, Rolf Fischer | 1987-09-15 |
| 4665252 | Preparation of alkylbenzenes | Wolfgang Hoelderich, Rolf Fischer, Frank-Friedrich Pape | 1987-05-12 |
| 4616098 | Preparation of olefins from methanol/dimethyl ether | Wolfgang Hoelderich, Walter Himmel, Matthias Schwarzmann | 1986-10-07 |
| 4599458 | Preparation of 2-methylalk-2-enals | Rolf Fischer, Wolfgang Hoelderich, Franz Merger, Hans-Martin Weitz | 1986-07-08 |
| 4560822 | Preparation of dienes by dehydration of aldehydes | Wolfgang Hoelderich, Franz Merger, Gerd Fouquet | 1985-12-24 |
| 4554142 | Process for the preparation of borosilicate zeolites | Wolfgang Hoelderich, Matthias Schwarzmann | 1985-11-19 |
| 4530910 | Regeneration of the Al.sub.2 O.sub.3 carrier material of a spent Ag/Al.sub.2 O.sub.3 supported catalysts | Matthias Schwarzmann, Juergen Plueckham, Juergen Dehler | 1985-07-23 |
| 4529714 | Process for regenerating silver-containing carrier catalysts for the preparation of ethylene oxide | Matthias Schwarzmann, Juergen Plueckhan, Juergen Dehler | 1985-07-16 |
| 4503281 | Preparation of C.sub.2 -C.sub.4 -olefins from methanol/dimethyl ether | Wolfgang Hoelderich, Matthias Schwarzmann | 1985-03-05 |
| 4486617 | Preparation of C.sub.2 -C.sub.4 -olefins from methanol/dimethyl ether | Wolfgang Hoelderich, Matthias Schwarzmann | 1984-12-04 |
| 4474741 | Preparation of a crystalline aluminosilicate (zeolite) | Wolfgang Hoelderich, Laszlo Marosi, Matthias Schwarzmann | 1984-10-02 |
| 4434314 | Preparation of olefins from methanol/dimethyl ether | Wolfgang Hoelderich, Matthias Schwarzmann | 1984-02-28 |