Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451496 | Color photographic materials and methods containing DIR or DIAR couplers and phenolic coupler solvents | Paul B. Merkel, Melvin M. Kestner | 1995-09-19 |
| 5380628 | Method of preparing coupler dispersions | John F. Sawyer | 1995-01-10 |
| 5378593 | Color photographic materials and methods containing DIR or DIAR couplers and carbonamide coupler solvents | Paul B. Merkel, Melvin M. Kestner | 1995-01-03 |
| 5360702 | Photographic coating compositions and photographic elements made therefrom | Glenn M. Brown, John B. Rieger | 1994-11-01 |
| 5342746 | Method for the formation of color photographic materials with high coupling reactivity and reduced color developer PH sensitivity | Richard K. Rothrock, Chris J. Johnson | 1994-08-30 |
| 5190851 | Color photographic element | Krishnan Chari, John Tyler Keech, John F. Sawyer, Jeffrey Walter Schmoeger | 1993-03-02 |
| 4927744 | Photographic element having solid particle dispersion oxidized developer scavenger | Richard P. Henzel | 1990-05-22 |
| 4885234 | Photographic materials containing stable cyan coupler formulations | — | 1989-12-05 |