Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989795 | Performance of photographic emulsions at high silver ion concentrations | Francis J. Evans | 1999-11-23 |
| 5776666 | Triazolium thiolate baths for silver halide development acceleration | John Texter, Henry W. Altland | 1998-07-07 |
| 5710252 | Method for recombinant yeast expression and isolation of water-soluble collagen-type polypeptides | Shane Weber | 1998-01-20 |
| 5370986 | Stabilization of photographic recording materials | Roger Lok | 1994-12-06 |
| 5246825 | Preparation of photosensitive silver halide materials with organic ripening agents | Roger L. Klaus | 1993-09-21 |
| 5246826 | Process of preparing photosensitive silver halide emulsions | Roger L. Klaus, George J. Burgmaier | 1993-09-21 |
| 5246827 | Preparation of photosensitive silver halide materials with a combination of organic ripening agents | Roger L. Klaus, Dale E. Hamilton | 1993-09-21 |
| 5232827 | Stabilized photographic recording materials | Roger Lok | 1993-08-03 |
| 4865965 | Light sensitive emulsion and element containing a cyclic ether compound and process for using same | Gerard A. Friour, Christian Paris, Marcel L. P. Riveccie | 1989-09-12 |
| 4810626 | Silver halide photosensitive materials containing thiourea and analogue compounds | George J. Burgmaier | 1989-03-07 |
| 4782013 | Photographic element containing a macrocyclic ether compound | Roger L. Klaus | 1988-11-01 |
| 4749646 | Silver halide photosensitive materials containing thiourea and analogue derivatives | George J. Burgmaier | 1988-06-07 |
| 4713322 | Silver halide photosensitive material | Philip S. Bryan | 1987-12-15 |
| 4695535 | Silver halide photosensitive material | Philip S. Bryan | 1987-09-22 |
| 4695534 | Silver halide photosensitive material | Philip S. Bryan | 1987-09-22 |
| RE32195 | Silver halide emulsions containing aromatic latent image stabilizing compounds | — | 1986-07-01 |
| 4423140 | Silver halide emulsions containing aromatic latent image stabilizing compounds | — | 1983-12-27 |
| 4374196 | Silver halide emulsions containing latent image stabilizing compounds | — | 1983-02-15 |
| 4367279 | Silver halide complexing agents of sulfones, nitriles, and onium salts | Daniel S. Daniel | 1983-01-04 |
| 4346154 | Antistain agent or antistain agent precursor in photographic silver halide element | Donald F. McLaen | 1982-08-24 |