Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853351 | Silica shaped bodies and process for preparing same | Akira Takahashi, Kazuo Shibahara, Hiromasa Samma, Kazuhiko Kubo | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853351 | Silica shaped bodies and process for preparing same | Akira Takahashi, Kazuo Shibahara, Hiromasa Samma, Kazuhiko Kubo | 1989-08-01 |