Roussilhe; Jacques
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roussilhe; Jacques.The latest application filed is for "method for developing a high contrast photographic material containing a polyhydrazide nucleating agent".
- Roussilhe; Jacques - Virey le Grand FR
| Patent | Date |
|---|---|
| Method for developing a high contrast photographic material containing a polyhydrazide nucleating agent Grant 6,790,585 - Roussilhe , et al. September 14, 2 | 2004-09-14 |
| Method for developing a high contrast photographic material containing a polyhydrazide nucleating agent App 20040023149 - Roussilhe, Jacques ; et al. | 2004-02-05 |
| Ascorbic acid developing compositions containing sugar and methods of use Grant 6,673,528 - Haye , et al. January 6, 2 | 2004-01-06 |
| Ascorbic acid developing compositions containing sugar and methods of use App 20030152876 - Haye, Shirleyanne E. ; et al. | 2003-08-14 |
| Automatic measuring device for the concentration of a developing agent Grant 6,228,237 - Goumont , et al. May 8, 2 | 2001-05-08 |
| Photographic developers containing a developing agent of the ascorbic acid type and an accelerator Grant 5,837,434 - Roussilhe , et al. November 17, 1 | 1998-11-17 |
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