Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038842 | Method for vapor phase pulping with alcohol, sulfur dioxide and ammonia | Theodora RETSINA, Vesa PYLKKANEN | 2011-10-18 |
| 7943009 | Process of treating a lignocellulosic material with an alkali metal borate pre-extraction step | Sung-Hoon Yoon, Haixuan Zou, Jianer Jiang, Gopal Goyal | 2011-05-17 |