Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387517 | Inorganic polymer material with tantalic acid anhydride base, in particular with high refractive index, mechanically abrasionproof, method of manufacture, optical materials comprising such material | Philippe Belleville, Philippe Prene | 2002-05-14 |
| 5858526 | Composite material with a high refractive index, process for producing said composite material and optically active material incorporating said composite material | Philippe Belleville | 1999-01-12 |
| 5698266 | Process for the production of thin coatings having optical and abrasion resistance properties | Philippe Belleville | 1997-12-16 |
| 5639517 | Process for the production of thin films having optical properties | Philippe Belleville | 1997-06-17 |
| 5623375 | International dielectric mirror and production process for such a mirror | Michel Berger | 1997-04-22 |
| 5476717 | Material having antireflection, hydrophobic and abrasion resistance properties and process for depositing an antireflection, hydrophobic and abrasion resistant coating on a substrate | — | 1995-12-19 |