Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661021 | Mannanase enzymes, genes coding for them and a method for isolating the genes, as well as a process for bleaching of lignocellulosic pulp | Johanna Buchert, Matti Siika-Aho, Liisa Viikari, Merja Penttila, Marjatta Ranua | 1997-08-26 |