Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684185 | Process for the stereoselective synthesis of 3-substituted 2-sulfonylmethylpropionic acids, and intermediate products | Gerhard Beck, Bernhard Kammermeier | 1997-11-04 |
| 5621128 | Halogenated biphenyl-2,2'-diylbisdiphenylphosphines, their preparation and their use | — | 1997-04-15 |
| 5594133 | Crystalline acid addition salts of diastereomerically pure 1-(2,2-dimethylpropinonyloxy)-ethyl-3-cephem-4-carboxylate | Elisabeth Defossa, Gerd Fischer, Rudolf Lattrell, Theodor Wollmann, Dieter Isert | 1997-01-14 |