Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693340 | Delayed-release form for pharmaceutical active compounds | Hartmut Hibst, Juergen Dembowski, Reinhard Spengler, Ernst Flaig | 1997-12-02 |
| 5667861 | Magneto-optical disk | Hartmut Hibst | 1997-09-16 |
| 5620743 | Coating or surface treatment of solid particles by means of a plasma fluidized bed | Hartmut Hibst, Wolfgang Mattmann | 1997-04-15 |
| 5593557 | Electrode consisting of an iron-containing core and a lead-containing coating | David W. Sopher, Andreas Gieseler, Hartmut Hibst, Peter Jaeger | 1997-01-14 |