Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733007 | Process for the production of 1,12-dodecanoic diacid | Klaus Koehler, Guenter Prescher | 1988-03-22 |
| 4733008 | Process for the production of 1,12-dodecanoic diacid | Klaus Koehler, Guenter Prescher | 1988-03-22 |
| 4720593 | Process for the production of 1-methylcyclopropanecarboxaldehyde | Gunter Prescher, Klaus Kohler | 1988-01-19 |
| 4691062 | Process for the production of 4-chloro-butanals | Gunter Prescher, Klaus Kohler | 1987-09-01 |
| 4680420 | Process for the producing 2,5-dimethoxytetrahydrofuran and 2,5-diethoxytetrahydrofuran | Gunter Prescher | 1987-07-14 |
| 4675451 | Process for the preparation of 2-alkyl-1,4-butanedial | Guenter Prescher, Marc Samson | 1987-06-23 |
| 4668795 | Process for the production of optically active 1-benzyl-3,4-bis-(diphenylphosphino)-pyrrolidine | G/u/ nter Prescher, Ulrich Nagel | 1987-05-26 |
| 4608443 | Method for the preparation of 1,4-butandial | Gunter Prescher, Marc Samson | 1986-08-26 |
| 4579979 | Method for preparation of acetals | Dietrich Arntz, Michael Kraft, Gunter Prescher | 1986-04-01 |