Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271426 | Method, system, and computer program product for generating a customized photochromic optical article recommendation | Sean Whelan, Christopher J. Baldy | 2025-04-08 |
| 7608207 | Method for preparing a photochromic polyurethane latex and application to ophthalmic optics | Nathaly Vassal, Jean-Pierre Vairon, Bernadette Charleux, Sylvette Maisonnier, Jean-Paul Cano | 2009-10-27 |
| 7186359 | Method for preparing a latex with photochromic properties and uses thereof, particularly in ophthalmology | Sylvette Maisonnier, Jean-Paul Cano, Georges Wajs, Jean-Pierre Vairon, Bernadette Charleux | 2007-03-06 |
| 6770710 | Process for obtaining a photochromic latex | Anne Robert, Sylvette Maisonnier, Jean-Paul Cano | 2004-08-03 |
| 6740699 | Method for obtaining a stabilized photochromic latex, latex obtained, and application to ophthalmic optics | Sylvette Maisonnier, Anne Robert, Jean-Paul Cano | 2004-05-25 |
| 5730911 | Process for the manufacture of a substrate made of transparent organic glass and substrate thus obtained | Jean-Paul Cano, Steven Weber, Nathalie Lelard | 1998-03-24 |
| 5233038 | Photochronic compounds of the indolino-spiro-benzoxazine type | Robert Guglielmetti | 1993-08-03 |
| 5139707 | Indolino-spiroquinoxalino oxazine photochromatic compounds, methods for their preparation, photochromic compositions and articles containing such compounds | Robert Guglielmetti | 1992-08-18 |
| 5114621 | Indolino-spiro-oxazine photochromic compounds with five-membered rings, method for their preparation, photochromic compositions and articles containing such compounds | Robert Guglielmetti | 1992-05-19 |