Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645452 | Apparatus for the calcination of a pulverized mineral material | Philippe Niel | 1987-02-24 |
| 4601657 | Process for the calcination of a pulverized mineral material | Philippe Niel | 1986-07-22 |
| 4583943 | Process for calcining pulverulent material | Paul Cosar | 1986-04-22 |
| 4477251 | Process and apparatus for calcining pulverulent material | Paul Cosar | 1984-10-16 |
| 4392890 | Cement clinker production | Gerard Ghestem | 1983-07-12 |
| 4321238 | Process for high temperature phosphate ore burning | — | 1982-03-23 |