Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6265607 | Process for the preparation of 4-(4'-chlorobiphenyl-4-yl)-4-keto-2-methylenebutyric acid | Andreas Meudt, Antje Noerenberg, Steffen Haber, Michael Erbes, Robert Cosmo | 2001-07-24 |
| 5545768 | Process for the preparation of chlorofluronitrobenzenes and difluoronitrobenzenes | Theodor Papenfhus, Andreas Kanschik-Conradsen | 1996-08-13 |
| 5463148 | Process for the preparation of chlorofluoronitrobenzenes | Theodor Papenfuhs, Andreas Kanschik-Conradsen | 1995-10-31 |
| 5276203 | Process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane | Theodor Papenfuhs, Jochen Rapp | 1994-01-04 |
| 5149759 | Process for preparing aromatic polyamides of high hydrolysis resistance with controlled water content of diamine | Georg-Emrich Miess, Peter Klein | 1992-09-22 |
| 4277606 | 8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparation thereof | Helmut Meidert, Werner Muller | 1981-07-07 |
| 4226997 | 8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8-tetrahydro-2-quinolone, the hydrochloride or hydrobromide thereof and process for their manufacture | Helmut Meidert, Werner Muller | 1980-10-07 |
| 4219500 | Process for the manufacture of N,N'-diacetylethylene diamine | Gunter Roscher | 1980-08-26 |