Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159678 | Photographic element comprising a mixture of sensitizing dyes | Richard L. Parton, David A. Stegman, Teresa A. Smith, John D. Lewis | 2000-12-12 |
| 6140035 | Photographic element comprising a mixture of sensitizing dyes | Karen J. Klingman, Bruce E. Kahn, Richard L. Parton, David A. Stegman, Teresa A. Smith +1 more | 2000-10-31 |
| 6066443 | Blue sensitizing dyes with heterocyclic substituents | Richard L. Parton, Pamela M. Ferguson, Nona Veith Spitzner, David A. Stegman, Steven G. Link +2 more | 2000-05-23 |
| 5597687 | Sensitizing dye combination for photographic materials | David A. Dumont, Paul B. Gilman, Sang H. Kim, Steven G. Link, Richard L. Parton | 1997-01-28 |
| 5474887 | Photographic elements containing particular blue sensitized tabular grain emulsion | Kenneth J. Reed, Sang H. Kim, David A. Stegman | 1995-12-12 |
| 5464736 | Photographic elements containing particular sensitizing dyes | Margaret J. Helber, Donald R. Diehl, Heidi E. Dankosh, John D. Mee | 1995-11-07 |
| 5288738 | Dye compound and photographic element containing same | Lal C. Vishwakarma | 1994-02-22 |
| 5219723 | Green sensitizing dyes for variable contrast photographic elements | Harry J. Price, Paul B. Gilman, Linda J. Knapp | 1993-06-15 |