Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5939054 | Sunscreen compositions comprising a mixture of titanium and/or zinc oxide particles, method of preparing the same and use thereof | Philippe Msika, Francis Carriere, France Boyer | 1999-08-17 |
| 4597952 | Purification of solutions of sodium aluminate in the Bayer cycle by the removal of sodium oxalate | Eric Lavalou, Francois Nicolas | 1986-07-01 |