Issued Patents All Time
Showing 51–75 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436910 | Process for the production of aqueous solutions of sodium salts of .alpha.- a | Bernd Lehmann, Jurgen Martens | 1984-03-13 |
| 4430509 | Process for the separation of the racemate (R,S)-cysteine | Horst Bethge, Karlheinz Drauz, Jurgen Martens, Horst Weigel | 1984-02-07 |
| 4426532 | .alpha.-(3-Cyano-propanoyl)-aminocarboxylic acid derivatives | Jurgen Martens, Horst Weigel | 1984-01-17 |
| 4424370 | Cyclic acetals of N-acylglutamic acid-.gamma.-semialdehydes, process for their production and use | Marc Samson | 1984-01-03 |
| 4419272 | Catalysts for the production of 2-cyanopyrazine | Bergstein Wolfgang, Heinz Friedrich, Gunther Prescher, Helmut Beschke | 1983-12-06 |
| 4416828 | Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (A) | Horst Bethge, Jurgen Martens | 1983-11-22 |
| 4416827 | Process for the resolution of the racemate (1RS,2SR)-2-amino-1-phenyl-propan-1-ol | Horst Bethge, Jurgen Martens | 1983-11-22 |
| 4415738 | Process for the production thiazolines-(3) | Jurgen Martens, Paul Scherberich, Horst Bethge | 1983-11-15 |
| 4411840 | Process for the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine (B) | Horst Bethge, Jurgen Martens | 1983-10-25 |
| 4398042 | Process for the production of 3-mercapto-propanediol-(1,2) | Robert Nygren, Rudolf Wagner | 1983-08-09 |
| 4390706 | Process for the recovery of pure nitriles | Peter Schalke | 1983-06-28 |
| 4390719 | 1-Methyl-2-chlorocyclopropanecarboxylic acid and its ester | Werner Schwarze, Wolfgang Leuchtenberger | 1983-06-28 |
| 4376864 | Cyclic acetals of glutamic acid-.gamma.-semialdehyde, process for their production and use | Karlheinz Drauz, Marc Samson | 1983-03-15 |
| 4376215 | Process for the production of 4-aminobutyramide hydrochloride | Klaus Deller, Jurgen Martens, Horst Weigel | 1983-03-08 |
| 4374995 | Process for the production of tryptophane-hydantoin | Marc Samson | 1983-02-22 |
| 4374062 | Process for the production of peptides | Jurgen Martens, Marc Samson | 1983-02-15 |
| 4369322 | Process for the production of substituted acetonitriles | Peter Schalke | 1983-01-18 |
| 4360697 | Process for the production of 1-amino-propanediol-2,3 | Robert Nygren, Rudolf Wagner | 1982-11-23 |
| 4358615 | Process for the production of 1-amino-propanediol-(2,3) (II) | Robert Nygren, Rudolf Wagner | 1982-11-09 |
| 4358459 | Cyclopropane carboxylic acid and process for their production and use | Werner Schwarze | 1982-11-09 |
| 4356324 | Optically active 1,2-bis-(diphenylphosphine)-compounds | Wolfgang Bergstein, Jurgen Martens | 1982-10-26 |
| 4356323 | Process for the production of 1-amino-propanediol-(2,3) (I) | Robert Nygren, Rudolf Wagner | 1982-10-26 |
| 4351778 | Process for the recovery of malonodinitrile | Peter Schalke | 1982-09-28 |
| 4345072 | Process for the production of 5-arylidene hydantoins (B) | Theodor Lussling, Wolf-Dieter Pfeifer, Paul Scherberich | 1982-08-17 |
| 4342874 | 2-[2'-(Hydanto-5-yl)-ethyl]-5,5-dimethyl-1,3-dioxane | Marc Samson | 1982-08-03 |