Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883900 | Process for the preparation of aspartame and agents for carrying it out | Reinhold Keller, Martin Platen | 1989-11-28 |
| 4859590 | Enzymatic synthesis of cyclodextrins using .alpha.-glucosyl fluoride as substrate for cyclodextrin .alpha.(1.fwdarw.4)glucosyltransferase | Joachim Thiem, Wolfgang Treder, Reinhold Keller | 1989-08-22 |
| 4849409 | Diels-alder adduct from streptazoline and naphthoquinones and its oxidation products, which have cytotoxic and antimicrobial activity and which act against protozoa | Hans-Ullrich Hoppe, Susanne Grabley, Hartmut Voelskow, Hans Kraemer, Matthias Wiesner +1 more | 1989-07-18 |
| 4847372 | Process for the single-stage preparation of glycosyl fluorides | Raimund Franz, Hans-Matthias Deger | 1989-07-11 |