Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336235 | Process for the manufacture of sodium silicate | — | 1982-06-22 |
| 4314979 | Industrial process for continuous production of zeolite A | — | 1982-02-09 |
| 4273863 | Process of formation of color images, photographic product and treating solutions useful for putting the process into practice | Yves Ferre, Claude G. Goumont | 1981-06-16 |
| 4186004 | Process of formation of color images, photographic product and treatment solutions useful therein | Yves Ferre, Claude G. Goumont | 1980-01-29 |