Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739049 | Process for the preparation of (1R,2R)-3-(3-dimethylamino-1-ethyl-2-methyl-propyl)-phenol | Oswald Zimmer, Helmut Buschmann, Joerg Holenz, Stefan Gladow | 2023-08-29 |
| 8877974 | Process for the preparation of (1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropy1)-phenol | Oswald Zimmer, Helmut Buschmann, Joerg Holenz, Stefan Gladow | 2014-11-04 |
| 8791300 | Process for preparing a substituted dimethyl-(3-arylbutyl)amine compound by homogeneous catalysis | Markus Kegel, Helmut Buschmann, Felix Spindler, Detlef Heller, Hans-Joachin Drexler | 2014-07-29 |
| 8779160 | Process for the preparation of (1r,4r)-6′-fluoro-(N,N-dimethyl- and N-methyl)-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano-[3,4,b]indol]-4-amine | Stefan Pruehs, Carsten Griebel | 2014-07-15 |
| 8309610 | Crystalline forms of (1RS,3RS,6RS)-6-dimethylaminomethyl-1-(3-methoxyphenyl)cyclohexane-1,3-diol hydrochloride | Michael Gruss, Helmut Buschmann, Andreas Fischer, Dagmar Lischke | 2012-11-13 |
| 8263809 | Preparation of 3-[(1R,2R)-3-(dimethylamino)-1ethyl-2-methylpropyl]phenol | — | 2012-09-11 |
| 8058476 | HCI polymorphs of 3-((2-(dimethylamino)methyl(cyclohex-1-yl)) phenol | Michael Gruss, Andreas Fischer, Markus Kegel, Markus Von Raumer, Joerg Berghausen +1 more | 2011-11-15 |
| 7884247 | Salt of dimethylaminomethyl-phenyl-cyclohexane and crystalline forms thereof | Michael Gruss, Martin Szelagiewicz, Joerg Berghausen, Susan Margaret De Paul, Markus Von Raumer | 2011-02-08 |
| 7858826 | Process for producing 6-dimethylaminomethyl-phenyl-cyclohexane-1,3-diols | Oswald Zimmer, Markus Kegel, Olaf Schaefer, Felix Spindler, Anita Schnyder +3 more | 2010-12-28 |
| 7763754 | Process for producing (1RS,3RS,6RS)-6-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexane-1,3-diol | Helmut Buschmann, Joerg Holenz, Oswald Zimmer, Irene Vaulont, Dieter Haag +4 more | 2010-07-27 |
| 7649114 | Separation of stereoisomeric N,N-dialkylamino-2alkyl-3-hydroxy-3-phenylalkanes | Helmut Buschmann | 2010-01-19 |
| 7417170 | Process for the preparation of substituted 3-aryl-butylamine compounds | Markus Kegel, Bernhard Akteries, Helmut Buschmann, Jörg Holenz, Harmut Loebermann +3 more | 2008-08-26 |
| 7235693 | Process for chlorinating tertiary alcohols | Helmut Buschmann, Markus Kegel | 2007-06-26 |
| 6909017 | Method for isolating and purifying (1RS,2RS)-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol | — | 2005-06-21 |