Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888314 | Low-temperature sinterable cordierite type ceramic powder, preparation process and ceramic composition produced by sintering this powder | Jean-Claude Bernier, Paul J. L. Poix, Jean-Luc Rehspringer, Gabriel Vilmin | 1989-12-19 |