Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4253879 | Shaped article comprising a permanently plasticized cellulose hydrate composition and preparation thereof | Klaus-Dieter Hammer, Gunter Gerigk, Max Bytzek | 1981-03-03 |
| 4221821 | Shaped article comprising a permanently plasticized cellulose composition of high mechanical strength and preparation thereof | Klaus-Dieter Hammer, Gunter Gerigk, Max Bytzek | 1980-09-09 |