Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8497399 | Process for preparing aminoalkyl nitriles and diamines from such nitriles | Jan Eberhardt, Thilo Hahn, Johann-Peter Melder, Gerhard Fritz, Thomas Hill | 2013-07-30 |
| 8063239 | Process for preparing aminoalkylnitriles and diamines from such nitriles | Jan Eberhardt, Thilo Hahn, Johann-Peter Melder, Gerhard Fritz, Thomas Hill | 2011-11-22 |
| 7718041 | Method for obtaining oligomers of polytetrahydofurane or tetrahydrofurane | Michael Schwarztrauber, Martin Haubner, Klaus-Peter Pfaff | 2010-05-18 |
| 7148318 | Method for producing polytetrahydrofurane having a low color indices | Anton Meier, Christoph Sigwart | 2006-12-12 |
| 7098349 | Method for producing tetrahydrofuran | Rolf Pinkos, Stefan Käshammer, Martin Haubner, Peter Groll, Stephan Schlitter +1 more | 2006-08-29 |
| 6878802 | Method of producing an alcoholic solutions of polyetrahydrofurane that comprises terminal OH groups | Jurgen Ciprian, Wulfrich Friedemann Beer | 2005-04-12 |
| 6852869 | Method for the production of polytetrahydrofuran with low color index | Christoph Sigwart, Anton Meier, Michael Hesse, Klaus-Peter Pfaff, Arthur Hohn +1 more | 2005-02-08 |
| 6713422 | Method for processing pTHF polymerization catalysts | Karsten Eller, Anton Meier, Michael Hesse | 2004-03-30 |
| 5728900 | Process for the selective hydrogenation of butyne-1,4-diol to butene-2-diol-1,4 | Franz Josef Brocker, Rainer Becker, Peter Stops | 1998-03-17 |
| 5714644 | Process and catalyst for the selective hydrogenation of butynediol to butenediol | Matthias Irgang, Ernest Miesen, Peter Stops, Fritz Graf | 1998-02-03 |
| 5660601 | Polyetheramine-containing fuels for gasoline engines | Knut Oppenlander, Wolfgang H. H. Gunther, Andreas Henne, Rainer Becker, Wolfgang Reif +3 more | 1997-08-26 |
| 5608113 | Process for preparation of diamines by catalytic amination of aminoalcohols | Rainer Becker, Wolfgang Reif, Andreas Henne | 1997-03-04 |
| 5530127 | Preparation of amines | Wolfgang Reif, Lothar Franz, Peter Stops, Rainer Becker, Rudolf Kummer +1 more | 1996-06-25 |
| 5521139 | Palladium-containing fixed-bed catalyst for the hydrogenation of butyne-1,4-diol to butene-2-diol-1,2 | Franz Josef Brocker, Rainer Becker, Peter Stops | 1996-05-28 |