Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147248 | 4-jod-2[N-(N-alkyl-aminocarbonyl)-aminosulfonyl]-benzoic acid methyl ester and derivatived thereof and method for their production | Lothar Willms | 2000-11-14 |
| 5936085 | Process for the preparation of herbicidal sulfonylureas and of N-(pyrimidinyl or triazinyl)-carbamates as intermediate products | Gerhard Schnabel, Klemens Minn, Jan Vermehren | 1999-08-10 |
| 5869668 | Processes for preparing L!- or D!-homoalanin-4-yl-(methyl) phosphinic acid and salts thereof by racemate resolution | Gunter Schlegel, Herbert Stark | 1999-02-09 |
| 5767309 | Processes for preparing L!- or D!-homoalanin-4-yl-(methyl)phosphinic acid and salts thereof by racemate resolution | Gunter Schlegel, Herbert Stark | 1998-06-16 |
| 5153355 | Process for the extractive separation of L-phosphinothricin and L-glutamic acid in aqueous solution | Hilmar Mildenberger, Arno Schulz, Heribert Tetzlaff | 1992-10-06 |
| 5153345 | Process for the preparation of alkyl methyl-3-carbalkoxyethylphosphinates | Hilmar Mildenberger, Hans J. Nestler | 1992-10-06 |
| 5153346 | Process for the synthesis of alkyl methyl-(2-carboalkoxy-ethyl)phosphinates | — | 1992-10-06 |
| 5117028 | Process for the preparation of 4-ethoxyphenyl-3-arylpropyl(dimethyl)silanes | — | 1992-05-26 |
| 4922013 | Process for the racemization of optically active D-2-N-phenacetylamino-4-methylphosphinobutyric acid | Rainer Schutze | 1990-05-01 |
| 4843167 | Process for the preparation of ortho-substituted arylcarboximidoesters | Gerhard Salbeck | 1989-06-27 |
| 4433153 | Process for the manufacture of 2,6-dichlorobenzoxazole and 2,6-dichlorobenzthiazole | Reinhard Handte, Lothar Willms, Thomas Tammer | 1984-02-21 |
| 4323705 | Process for the preparation of N,N'-diformylhydrazine | — | 1982-04-06 |
| 4283545 | Process for the preparation of 1,2,4-triazole | Thomas Maier, Hilmar Mildenberger, Helmut Korbanka | 1981-08-11 |
| 4247449 | Urea derivatives, process for their manufacture and their use as light protecting agents for polymers | Hartmut Wiezer, Norbert Mayer | 1981-01-27 |
| 4191684 | Urea derivatives, their preparation, and their use as light stabilizers | Hartmut Wiezer, Gerhard Pfahler, Norbert Mayer | 1980-03-04 |