Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589924 | Process for hydrolyzing cellulose-containing material with gaseous hydrogen fluoride | Rudiger Erckel, Raimund Franz, Rolf Woernle | 1986-05-20 |
| 4556431 | Process for hydrolyzing cellulose-containing material with gaseous hydrogen fluoride | Rudiger Erckel, Raimund Franz, Rolf Woernle | 1985-12-03 |
| 4556432 | Process for hydrolyzing cellulose-containing material with gaseous hydrogen fluoride | Rudiger Erckel, Raimund Franz, Rolf Woernle | 1985-12-03 |
| 4239922 | Xylose and xylitol separately purified in same ion exchanger | Theodor Auel, Wilhelm Spatz | 1980-12-16 |