Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335456 | Semi-continuous process for preparing bis-silyl carboxamides | Christophe Ruppin, Didier Faure | 2002-01-01 |
| 6303810 | Process for manufacturing bis-silyl ureas | Christophe Ruppin, Gilles Drivon | 2001-10-16 |
| 4386149 | Process for the production of photographic images by dye diffusion transfer and photographic material suitable in this process | Leslie F. A. Mason, Rainer Kitzing, Brian R. D. Whitear, William E. Long, Glenn Wood | 1983-05-31 |
| 4285859 | Azo compounds useful in a photographic dye diffusion transfer process | Rainer Kitzing, Brian R. D. Whitear, William E. Long, Glenn Wood | 1981-08-25 |
| 4269928 | Process for the production of photographic images by dye diffusion transfer and photographic material suitable in this process | Leslie F. A. Mason, Rainer Kitzing, Brian R. D. Whitear, William E. Long, Glenn Wood | 1981-05-26 |
| 4226934 | Light sensitive photographic material containing development inhibitor releasing compounds | Terence C. Webb | 1980-10-07 |
| 4216146 | Azo(hydrazo)-anthraquinone compounds | Rainer Kitzing, Brian R. D. Whitear, William E. Long, Glenn Wood | 1980-08-05 |