Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662971 | Cellulose-based food casing having improved ripening properties | Klaus-Dieter Hammer, Manfred Siebrecht | 1997-09-02 |
| 5595796 | Foodstuff casing based on cellulose hydrate with improved peelability | Klaus-Dieter Hammer, Manfred Siebrecht | 1997-01-21 |