Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638703 | Method for preparing silver halide photographic tabular grains emulsions | Pierre-Henri Jezequel, Bruno C. Barillon | 2003-10-28 |
| 6218098 | Process for preparing a photographic emulsion comprising silver halide grains with high silver chloride content | Pierre-Henri Jezequel | 2001-04-17 |
| 5709990 | Method for preparing a photographic emulsion, and apparatus for implementing the method | Pierre-Henri Jezequel | 1998-01-20 |
| 5435878 | Method for welding polycarbonate by high frequency | Jean-Claude Delmar | 1995-07-25 |
| 4899037 | Magnetic information-recording element and method of manufacture | Claude Marechal | 1990-02-06 |