Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329040 | Process for the continuous preparation of aminoaryl or aminoalkyl .beta.-sulfatoethyl sulfones | Lothar Schmitt | 1994-07-12 |
| 4515940 | Process for the preparation of aryldiazosulfonates | — | 1985-05-07 |
| 4504424 | Process for the preparation of arylhydrazine-N-sulfonic acids | — | 1985-03-12 |
| 4443630 | Process for preparing 2-amino-5-nitrotoluene | Theodor Papenfuhs | 1984-04-17 |
| 4405813 | Process for the preparation of 3,5-dimethylaniline | Werner Muller | 1983-09-20 |
| 4375561 | Process for the preparation of aromatic amines | Werner Muller | 1983-03-01 |
| 4375560 | Process for the preparation of 3,5-dimethylaniline (sym. m-xylidine) | Werner Muller | 1983-03-01 |
| 4332941 | Cyclohexanones and cyclohexenones | Werner Muller | 1982-06-01 |
| 4247479 | Process for the manufacture of aromatic amines from .alpha., .beta.-unsaturated cycloaliphatic ketoximes | — | 1981-01-27 |
| 4220799 | Process for the preparation of condensation products of acetoacetic esters and aldehydes | Bernhard Mees, Hartmut Heise | 1980-09-02 |