Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6312811 | Photochromic naphtho [2,1-b]pyran compounds containing bithienyl or terthienyl substituents, process for their manufacture, and photochromic materials and articles obtained | Michel Frigoli, Nicole Rebiere-Galy, Corinne Moustrou, Robert Guglielmetti | 2001-11-06 |
| 6281366 | Photochromic [3H]naphtho[2,1-b]pyran compounds containing an acetylenic substituent, process for their manufacture, and photochromic materials and articles obtained | Michel Frigoli, Corinne Moustrou, Robert Guglielmetti | 2001-08-28 |
| 6136968 | Homoazaadamantane spirooxazines and their use in the field of ophthalmic optics | Karine Chamontin, Vladimir Lokshin, Robert Guglielmetti | 2000-10-24 |
| 6107010 | Method for printing on a portable data medium, particularly a smart card, and resulting printed data medium | Isabelle Corniglion, Armand Gellis, Robert Guguelmetti, Christian Leriche, Paul Morgavi | 2000-08-22 |
| 6019914 | Photochromic spirooxazine compounds, their use in the field of ophthalmic optics | Vladimir Lokshin, Karine Chamontin, Robert Guglielmetti | 2000-02-01 |
| 5936016 | Photochromic compounds and methods for their use | Pierre Lareginie, Vladimir Lokshin, Robert Guglielmetti, Elena Zaballos Garcia | 1999-08-10 |
| 5754271 | Heterocyclic chromenes and their use in the field of ophthalmic optics | Robert Guglielmetti, Jean L. Pozzo | 1998-05-19 |
| 5631720 | Ophthalmic lenses with heterocyclic chromene compounds | Robert Guglielmetti, Jean L. Pozzo | 1997-05-20 |
| 5529725 | Spirooxazines and use thereof in the field of ophthalmic optics | Robert Guglielmetti, Pierre Lareginie | 1996-06-25 |
| 5527911 | Heterocyclic chromenes | Robert Guglielmetti, Jean L. Pozzo | 1996-06-18 |