Issued Patents All Time
Showing 101–125 of 244 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008418 | Process for preparing 1,6 hexanediol with a level of purity over 99% | Karl Baur, Rolf Pinkos, Frank Stein, Harald Rust, Boris Breitscheidel | 1999-12-28 |
| 6002027 | Preparation of 1,2-butylene oxide | Christoph Sigwart, Franz Josef Brocker, Peter Lingelbach | 1999-12-14 |
| 5981769 | Process for preparing 1,6- hexanediol and caprolactone | Karl Baur, Rolf Pinkos, Frank Stein, Boris Breitscheidel, Harald Rust | 1999-11-09 |
| 5977417 | Preparation of 1,4-butanediol | Christoph Sigwart | 1999-11-02 |
| 5965751 | Process for hydrogenation of dihydrofurans to give tetrahydrofurans | Franz Josef Brocker, Gerd Kaibel, Rolf Pinkos | 1999-10-12 |
| 5951829 | Separation of heteropoly compounds from polyethers, polyesters and polyether esters | Hans-Jurgen Weyer, Gerhard Jeschek, Herbert Muller | 1999-09-14 |
| 5952533 | Method of producing 1,6-hexane diol from epoxybutadiene | Detlef Kratz, Rolf Pinkos, Martin Schäfer, Arthur Hohn | 1999-09-14 |
| 5948921 | Method for the selective hydrogenation of vinyl oxirane to butylene oxide | Christoph Sigwart, Klaus Harth | 1999-09-07 |
| 5945571 | Preparation of 1,4-butanediol | Rolf Pinkos, Boris Breitscheidel, Peter Polanek | 1999-08-31 |
| 5945575 | Method of producing reactive halogen-free, polyisobutene | Christoph Sigwart, Eugen Gehrer, Ulrich Müller, Hans Peter Rath | 1999-08-31 |
| 5939590 | Tetrahydrofuran/but-2-yne-1, 4-diol copolymers containing C-C triple bonds | Christoph Sigwart, Rainer Becker, Klaus-Dieter Plitzko, Gerd Heilen, Christof Palm +1 more | 1999-08-17 |
| 5905161 | Regeneration of catalyst used in the preparation of 3,4-epoxy-1-butene | Stefan Boeck, Klaus Herzog, Herbert Vogel, Martin Fischer | 1999-05-18 |
| 5905159 | Method of producing 1,4-butanediol and tetrahydrofuran from furan | Rolf Pinkos | 1999-05-18 |
| 5874607 | Coproduction of 6-aminocapronitrile and hexamethylenediamine | Werner Schnurr, Guido Voit, Klemens Flick | 1999-02-23 |
| 5869707 | Preparation of 1,2-butylene oxide | Christoph Sigwart, Franz Josef Brocker, Peter Lingelbach | 1999-02-09 |
| 5827938 | Preparation of amines and aminonitriles | Werner Schnurr, Guido Voit, Klemens Flick, Johann-Peter Melder, Wolfgang Harder | 1998-10-27 |
| 5824769 | Polyether, polyester and polyether ester purification process | Hans-Jurgen Weyer | 1998-10-20 |
| 5808114 | Preparation of epoxides by means of aromatic peroxycarboxylic acids | Joaquim Henrique Teles, Werner Schnurr, Norbert Rieber, Michael Schulz | 1998-09-15 |
| 5801268 | Preparation of aliphatic alpha omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Tom Witzel +2 more | 1998-09-01 |
| 5801267 | Preparation of aliphatic alpha, omega-aminonitriles | Klemens Flick, Johann-Peter Melder, Werner Schnurr, Klaus Ebel, Tom Witzel +2 more | 1998-09-01 |
| 5789621 | Preparation of amines and aminonitriles | Werner Schnurr, Guido Voit, Klemens Flick | 1998-08-04 |
| 5783711 | Process for the preparation of heterocyclic aldehydes | Werner Schnurr, Joachim Wulff-Doring, Matthias Irgang, Horst Neuhauser | 1998-07-21 |
| 5773648 | Preparation of polytetrahydrofuran | Rainer Becker, Christoph Sigwart, Michael Hesse, Karsten Eller, Gerd Heilen +1 more | 1998-06-30 |
| 5767329 | Purity of 1,6-hexanediol | Roman Dostalek, Wolfgang Harder, Axel Paul, Rolf Pinkos | 1998-06-16 |
| 5763676 | Preparation of aromatic aldehydes | Matthias Irgang, Werner Schnurr, Joachim Wulff-Doring | 1998-06-09 |