Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911787 | Method for concentrating black liquor with oxidizing followed by CO.sub.2 addition | Akira Shimokura, Keiji Hasegawa, Shuichi Nagato, Kazushige Tanae | 1990-03-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911787 | Method for concentrating black liquor with oxidizing followed by CO.sub.2 addition | Akira Shimokura, Keiji Hasegawa, Shuichi Nagato, Kazushige Tanae | 1990-03-27 |