Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389510 | Photographic elements containing alkynylamine dopants | Carl R. Preddy, Wai K. Lam | 1995-02-14 |
| 5370986 | Stabilization of photographic recording materials | Arthur H. Herz | 1994-12-06 |
| 5356770 | Color photographic materials and methods with stabilized silver chloride emulsions | Jess B. Hendricks, III | 1994-10-18 |
| 5320938 | High chloride tabular grain emulsions and processes for their preparation | Gary L. House, Thomas B. Brust, Debra L. Hartsell, Donald L. Black, Michael G. Antoniades +4 more | 1994-06-14 |
| 5292635 | Thiosulfonate-sulfinate stabilizers for photosensitive emulsions | — | 1994-03-08 |
| 5240828 | Direct reversal emulsions | Gaile A. Janusonis, Francis R. Hilton, Jr., Richard D. Lucitte, Woodrow G. McDugle, David Erdtmann | 1993-08-31 |
| 5232827 | Stabilized photographic recording materials | Arthur H. Herz | 1993-08-03 |
| 4957855 | Photographic recording material with improved raw stock keeping | Gladys L. MacIntyre | 1990-09-18 |
| 4948721 | Photographic recording materials with enhanced latent image stability | Ronald E. Leone | 1990-08-14 |
| 4861703 | Cyclic dichalcogenide fog inhibiting agents for silver halide photography | Wolfgang H. H. Gunther, John P. Freeman | 1989-08-29 |
| 4677202 | Quaternized 2,1,4-benzoxatellurazinium and 2,1,4-naphthoxatellurazinium salt derivitives | Rosemary Przyklek-Elling, Wolfgang H. H. Gunther | 1987-06-30 |
| 4661438 | Quaternized tellurium salt fog inhibiting agents for silver halide photography | Rosemary Przyklek-Elling, Wolfgang H. H. Gunther | 1987-04-28 |
| 4607001 | Divalent chalcogenide fog inhibiting agents for silver halide photography | Wolfgang H. H. Gunther | 1986-08-19 |
| 4607000 | Amido substituted divalent chalcogenide fog inhibiting agents for silver halide photography | Wolfgang H. H. Gunther | 1986-08-19 |
| 4581330 | Tellurium salt fog inhibiting agents for silver halide photography | Wolfgang H. H. Gunther | 1986-04-08 |
| T104903 | Photographic speed increasing and latent image stabilizing compounds | John P. Freeman, William H. Baum | 1984-12-04 |
| 4451557 | Photographic speed increasing and latent image stabilizing compounds, silver halide emulsions, and photographic elements | John P. Freeman, William Baum | 1984-05-29 |
| T103803 | Photographic speed increasing and latent image stabilizing compounds, silver halide emulsions, and photographic elements | John P. Freeman, William Baum | 1984-01-03 |
| 4378426 | Photographic speed increasing and latent image stabilizing compounds, silver halide emulsions, and photographic elements | John P. Freeman, William Baum | 1983-03-29 |