Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929905 | Method of processing a photographic element containing electron transfer agent releasing couplers | Sharon Lunt, David T. Southby, Robert A. Arcus | 2005-08-16 |
| 5783376 | Sulfo-substituted carboxylates as buffers for photographic bleaches and bleach-fixes | John M. Buchanan, Sidney J. Bertucci | 1998-07-21 |
| 5670305 | Photographic processing solution containing ternary ferric-complex salts | Keith H. Stephen, Eric Brown, Celia Ann DeAndrea, Mary Morris Podhorecki, William G. Henry | 1997-09-23 |
| 5633124 | Acceleration of silver removal by thioether compounds | Eric R. Schmittou, Jacob J. Hastreiter, Jr. | 1997-05-27 |
| 5582958 | Photographic bleaching composition and processing method using ternary iron carboxylate complexes as bleaching agents | John M. Buchanan, Eric Brown | 1996-12-10 |
| 5536625 | Photographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalysts | John M. Buchanan, Keith H. Stephen, Richard P. Szajewski, Sidney J. Bertucci | 1996-07-16 |
| 5521056 | Photographic peracid bleaching composition and processing method using ternary iron carboxylate complexes as catalysts in peracid bleaching solutions | John M. Buchanan, Eric Brown | 1996-05-28 |
| 5460924 | Photographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalysts | John M. Buchanan, Keith H. Stephen, Richard P. Szajewski, Sidney J. Bertucci | 1995-10-24 |
| 5424176 | Acceleration of silver removal by thioether compounds in sulfite fixer | Eric R. Schmittou, Therese M. Feller | 1995-06-13 |