Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7179305 | Process for dyeing keratin fibers with ninhydrin compounds comprising one or more fused rings | Gregory Plos | 2007-02-20 |
| 7175671 | Use of ninhydrin derivatives bearing an unsaturated system for dyeing keratin material | Gregory Plos | 2007-02-13 |
| 7000619 | System and method for applying hair product to hair strands | Mathilde Winckels | 2006-02-21 |
| 6242171 | Tabular grain silver halide emulsion and method of preparation | — | 2001-06-05 |
| 5879873 | Process of preparing high bromide (100) tabular grain emulsions | Pierre-Henri Jezequel | 1999-03-09 |
| 5726006 | Tabular grain silver halide emulsions, a method for their preparation and photographic products | Gerard A. Friour, Pierre-Henri Jezequel, Frederic Xavier Jordi, Jean-Pascal Francis Lebrat | 1998-03-10 |
| 5567579 | Photographic product comprising a blend of emulsions with different sensitivities | Gerard A. Friour, Didier J. Martin, Philippe Strauel | 1996-10-22 |