Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790585 | Method for developing a high contrast photographic material containing a polyhydrazide nucleating agent | Jacques Roussilhe, Siu C. Tsoi, John D. Goddard | 2004-09-14 |
| 6756189 | Photographic elements containing cyan coupler UV absorber and stabilizer | Danuta Gibson, David Clarke | 2004-06-29 |
| 6713226 | High contrast photographic element containing a polyhydrazide nucleating agent | John D. Goddard | 2004-03-30 |
| 6699650 | Photographic couplers having improved image dye light stability | David Clarke, Katie E. Smith | 2004-03-02 |
| 6444417 | Photographic element containing cyan dye-forming coupler | David Clarke, Katie E. Smith | 2002-09-03 |
| 6444412 | Photographic element with dye-forming coupler and stabilizing compound | David Clarke, Christopher P. Moore | 2002-09-03 |
| 6312881 | Photographic element with yellow dye-forming coupler and stabilizing compounds | Danuta Gibson, James S. Honan, Thomas A. Rosiek, Brian Thomas | 2001-11-06 |
| 6245480 | High contrast photographic element containing a novel nucleator | Judith A. Bogie, Philip J. Coldrick, John D. Goddard | 2001-06-12 |
| 6071683 | Image dye-forming couplers and photographic elements containing them | John D. Goddard, Danuta Gibson, Brian Thomas | 2000-06-06 |
| 6004738 | Photographic elements containing cyan dye-forming coupler, coupler solvent and bisphenol derivative | Philip T. S. Lau, Stanley W. Cowan, David Clarke | 1999-12-21 |
| 5021333 | Color photographic element, compounds and process | Paul R. Buckland, Paul A. Burns | 1991-06-04 |
| 4782011 | Bisphenol derivative stabilizers | John D. Goddard, Nigel E. Milner | 1988-11-01 |
| 4777121 | Substituted pyrazolo[3, 2-c]-s-triazole photographic couplers and photographic materials and processes employing them | Paul R. Buckland | 1988-10-11 |
| 4749645 | Heterocyclic phosphorus compound stabilizers | John D. Goddard | 1988-06-07 |