Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646327 | Method for preparing hydroxylamines using vinylic compounds without base neutralization and reaction mixture produced thereby | Elizabeth G. Burns, Lynda W. McGarry, Lee H. Latimer | 1997-07-08 |
| 5612173 | One equivalent couplers and low PKA release dyes | Stephen P. Singer, J. Michael Buchanan | 1997-03-18 |
| 5242783 | Photographic material and process | John M. Buchanan | 1993-09-07 |
| 5019492 | Photographic element and process comprising a blocked photographically useful compound | John M. Buchanan, Ewell Cook, Jared B. Mooberry, Stephen P. Singer, William N. Washburn | 1991-05-28 |
| 4914014 | Nucleation of tabular grain emulsions at high pBr | Richard L. Daubendiek, Timothy R. Gersey | 1990-04-03 |
| 4876181 | Photographic elements containing infrared filter dyes | Anthony D. Gingello, David J. Collett, Richard L. Parton, David A. Stegman, Anthony Adin | 1989-10-24 |