Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458902 | Process for producing hydrogenated C9 petroleum resin and hydrogenated C9 petroleum resin obtained by the process | Takumi Okazaki, Hirokazu Keshi | 2002-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458902 | Process for producing hydrogenated C9 petroleum resin and hydrogenated C9 petroleum resin obtained by the process | Takumi Okazaki, Hirokazu Keshi | 2002-10-01 |