Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688843 | Oil-absorbent composition, particulate oil absorber, oil-absorbent material, and oil-absorbent pack | Toru Inaoka, Tomoki Gomi, Toshio Tamura, Hideyuki Tahara | 1997-11-18 |
| 5663480 | Synthesis of aromatic carbonates by transesterification using a catalyst comprising a microporous material and a group IV metal | Hideaki Tsuneki, Masaru Kirishiki, Kenichi Watanabe | 1997-09-02 |