Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5962211 | Photographic image improvement in spectral sensitizing dye and filter dye having similar spectral absorption characteristics | Roupen H. Maronian, Pamela M. Ferguson | 1999-10-05 |
| 5834173 | Filter dyes for photographic elements | Margaret J. Helber, Terrence R. O'Toole | 1998-11-10 |
| 5683860 | Silver halide light-sensitive element | Linda J. Beattie, Gary N. Barber | 1997-11-04 |
| 5674669 | Photographic elements containing oxonol filter dye mixture and their preparation | Elizabeth A. Gallo | 1997-10-07 |
| 5635343 | Ultraviolet absorbing compounds and photographic elements containing them | Donald P. Specht | 1997-06-03 |
| 5470695 | Solid particle dispersions of filter dyes for photographic elements | Glenn M. Brown | 1995-11-28 |
| 5466813 | Imine dye and photographic elements containing same | Margaret J. Helber, Hugh M. Williamson | 1995-11-14 |
| 5464736 | Photographic elements containing particular sensitizing dyes | Margaret J. Helber, Thomas R. Dobles, Heidi E. Dankosh, John D. Mee | 1995-11-07 |
| 5451494 | Photographic elements containing acyl substituted oxonol dyes | Margaret J. Helber, Pamela M. Ferguson, Anne E. Edwards, Nona Veith Spitzner | 1995-09-19 |
| 5399690 | Filter dyes for photographic elements | Glenn M. Brown, Margaret J. Helber | 1995-03-21 |
| 5283165 | Pyrrolinone dyes | Margaret J. Helber, Louis J. Rossi | 1994-02-01 |
| 5266454 | Solid particle dispersions of filter dyes for photographic elements | Glenn M. Brown | 1993-11-30 |
| 5260179 | Photographic elements containing imine dyes | Margaret J. Helber, Hugh M. Williamson | 1993-11-09 |
| 5213956 | Solid particle dispersions of filter dyes for photographic elements | Glenn M. Brown, Margaret J. Helber | 1993-05-25 |
| 5134115 | Cyan azamethine dye-donor element for thermal dye transfer | Steven Evans | 1992-07-28 |
| 5098820 | Solid particle dispersions of filter dyes for photographic elements | Michael J. McManus, Glenn M. Brown | 1992-03-24 |
| 5055387 | Sensitizing dye for photographic materials | Michael C. Malec | 1991-10-08 |
| 4994356 | Solid particle dispersions of filter dyes for photographic elements | Glenn M. Brown | 1991-02-19 |
| 4988611 | Imaging utilizing a light-handleable photographic element having solid particle dispersion filter dye layer | Richard B. Anderson, Ronda E. Factor, Anthony Adin | 1991-01-29 |
| 4950586 | Solid particle dispersions of filter dyes for photographic elements | Ronda E. Factor | 1990-08-21 |
| 4948717 | Solid particle dye dispersions for photographic filter layers | Ronda E. Factor | 1990-08-14 |
| 4948718 | Photographic silver halide elements containing solid particle dispersions of dyes | Ronda E. Factor | 1990-08-14 |
| 4940654 | Solid particle dispersion filter dyes for photographic compositions | Ronda E. Factor | 1990-07-10 |
| 4900653 | Photographic elements containing filter dye particle dispersions | Ronda E. Factor | 1990-02-13 |
| 4900652 | Radiographic element | Robert E. Dickerson, James E. Kelly, Ronda E. Factor | 1990-02-13 |