Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312557 | Stabilizing sodium parcabonate by separately spraying coating solutions of boric acid and a silicate | Masayoshi Onda, Akira Ito, Kenji Umehara, Yuji Yoneyama | 1994-05-17 |