Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725999 | Methine yellow density correction dyes for color negative films with magnetic recording layers | Paul B. Merkel, Melvin M. Kestner, David Hoke | 1998-03-10 |
| 5723263 | Color negative element having improved blue record printer compatibility | Stephen P. Singer, Paul B. Merkel | 1998-03-03 |
| 5532117 | Photographic element containing certain azoaniline dyes | Paul B. Merkel, James P. Merrill, Jared B. Mooberry | 1996-07-02 |
| 5190851 | Color photographic element | Krishnan Chari, John Tyler Keech, John F. Sawyer, Paul L. Zengerle | 1993-03-02 |