Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590095 | Method of preparing a cellulose carbamate solution | Bodo Borrmeister, Hermann Lang | 2003-07-08 |
| 5760211 | Method of manufacturing cellulose solutions in aqueous amino oxide | Peter Weigel, Hendrik Wetzel | 1998-06-02 |