Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339591 | Process for the production of caboxylic acid cyanides | Bernd Lehmann, Herbert Klenk | 1982-07-13 |
| 4335126 | 1-[3-(3,4,5-Trimethoxyphenoxy)-2-hydroxy-propyl]-4- aryl-piperazine-derivatives having pharmaceutical activity | Vladimir Jakovlev, Klaus Thiemer, Jurgen Engel | 1982-06-15 |
| 4326056 | Process for the production of 4-amino-6-tert. butyl-3-mercapto-1,2,4-triazin-5-one | Bernd Lehamnn, Herbert Klenk | 1982-04-20 |
| 4322552 | Process for the production of 4-aminobutyramide hydrochloride | Jurgen Martens, Horst Weigel | 1982-03-30 |
| 4317832 | Indolyl and methylindolyl substituted aminoalkyl guanidines | Karl H. Klingler, Fritz Stroman, Klaus Thiemer | 1982-03-02 |
| 4313894 | Process for the production of 3-cyanopropionamide | Wolfgang Leuchtenberger, Jurgen Martens, Horst Weigel | 1982-02-02 |
| 4307037 | Process for the production of iminodiacetonitrile | Helmut Suchsland, Volker Hafner | 1981-12-22 |
| 4283405 | Dithienylpiperidines, pharmaceutical compositions thereof, and method of use thereof | Jurgen Engel, Fritz Stroman, Klaus Thiemer | 1981-08-11 |
| 4281010 | Dithienylalkylamines and process for their production | Ingomar Nubert, Fritz Stroman, Klaus Thiemer | 1981-07-28 |
| 4263308 | N-Alkoxy-dithienylpiperidines, pharmaceutical compositions thereof and methods of use thereof | Jurgen Engel, Ute-Achterrath Tuckermann, Klaus Thiemer | 1981-04-21 |
| 4254269 | Dithienyl beta-haloethyl carbinols | Ingomar Nubert, Fritz Stroman, Klaus Thiemer | 1981-03-03 |
| 4254035 | Process for the production of 2-acetamidocinnamic acid | Horst Weigel, Paul Scherberich | 1981-03-03 |
| 4246189 | Process for the production of hydroxynitriles from epoxides and ketone cyanohydrins | Werner Schwarze | 1981-01-20 |
| 4228082 | N-Substituted .alpha.-ketocarboxylic acid amides | Herbert Klenk, Heribert Offermanns, Paul Scherberich, Werner Schwarze | 1980-10-14 |
| 4224226 | Process for the production of N-substituted .alpha.-ketocarboxylic acid amides | Herbert Klenk, Heribert Offermanns, Paul Scherberich, Werner Schwarze | 1980-09-23 |
| 4222956 | Process for the production of cyanocarboxylic acids | Peter Schalke, Detlef Arnoldi | 1980-09-16 |
| 4197161 | Process for the recovery of catalysts in the epoxidation and hydroxylation of olefinic compounds | Heinz Friedrich, Wolfgang Heim, Heinz Kolb, Gerd Schreyer | 1980-04-08 |