| 4962231 |
Preparation of D- or L-alanine or high enantiomeric purity |
Axel Paul, Eckhard Roske, Hardo Siegel |
1990-10-09 |
| 4736040 |
Preparation of 1,2-benzisothiazolones |
Hagen Jaedicke |
1988-04-05 |
| 4493802 |
Preparation of o,o'-dithiodibenzoic acids |
Hagen Jaedicke |
1985-01-15 |
| 4464537 |
Preparation of saccharin |
Hagen Jaedicke |
1984-08-07 |
| 4427600 |
Preparation of 1-alkyl-2-chloro-5-nitrobenzene-4-sulfonic acids |
Elisabeth Mueller, Helmut Goerth |
1984-01-24 |
| 4421931 |
Preparation of anthranilic acid amides |
Winfried Ludwig, Gerhard Kilpper, Johannes Grimmer |
1983-12-20 |
| 4393211 |
Preparation of aromatic sulfohalides |
Hagen Jaedicke |
1983-07-12 |
| 4328339 |
Continuous preparation of isatoic anhydride |
Gerhard Kilpper, Johannes Grimmer, Hans Christoph Horn, Eckhard Hetzel |
1982-05-04 |
| 4306074 |
Preparation of a mixture of an alkyl 3-chloroanthranilate and an alkyl 6-chloroanthranilate |
Heinz-Guenter Oeser, Dietrich Mangold |
1981-12-15 |