Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332930 | Process for polymerizing formaldehyde | Takami Ishii, Kiyoaki Tokunaga, Nobuhiro Ogawa | 1982-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332930 | Process for polymerizing formaldehyde | Takami Ishii, Kiyoaki Tokunaga, Nobuhiro Ogawa | 1982-06-01 |