Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417345 | Method for producing acetylated pyroxylin | Tokuji Tanaka, Noboru Kamei | 2002-07-09 |
| 4439605 | Process for producing cellulose acetate | Yoshiyuki Ikemoto, Younosuke Kato, Manabu Uchida | 1984-03-27 |
| 4415734 | Process for preparation of cellulose acetate | Manabu Uchida | 1983-11-15 |
| 4269972 | Process for producing cellulose diacetate having improved resistance to delustering phenomenon in hot water | Yoshiyuki Ikemoto | 1981-05-26 |
| 4209340 | Cellulose ester resin composition | Masami Nambu | 1980-06-24 |