Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128304 | Catalyst for alkylation of phenols | — | 1992-07-07 |
| 5059727 | Method for alkylation of phenols, and catalyst therefor | — | 1991-10-22 |
| 4305879 | Process for producing a 2-tertiary-alkyl substituted anthraquinones | Akitoshi Sugio, Shizuo Togo, Chiharu Nishizawa | 1981-12-15 |