Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451439 | Process for the purification of solutions containing a sodium or potassium carbonate, sulphate, and possibly hydroxide, and at least one of the metals vanadium, uranium and molybdenum | Pierre Maurel, Francois Nicolas | 1984-05-29 |
| 4296073 | High temperature attack of ores by means of a liquor essentially containing a soluble bicarbonate | Pierre Maurel, Francois Nicolas | 1981-10-20 |