Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686055 | Process for recovering phthalic anhydride and hydrogen chloride from plastic materials | Toshiki Takahashi, Tatsuto Fukushima, Yoshio Tanimoto | 1997-11-11 |
AM
Akemi Muraoka
Overall (1997): #179,835 of 185,788Top 100%
1
Patents 1997