Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389509 | Ultrathin high chloride tabular grain emulsions | — | 1995-02-14 |
| 5385818 | Process for the preparation of silver halide emulsions and photographic elements containing hollow silver halide grains | — | 1995-01-31 |
| 5378599 | High bromide chloride containing silver iodohalide emulsions exhibiting an increased proportion of iodide | Carlos A. Reyes, Martin McMillan | 1995-01-03 |
| 5298387 | Process for the preparation of a grain stabilized high chloride tabular grain photographic emulsion (II) | — | 1994-03-29 |
| 5298388 | Process for the preparation of a grain stabilized high chloride tabular grain photographic emulsion (III) | — | 1994-03-29 |
| 5292632 | High tabularity high chloride emulsions with inherently stable grain faces | — | 1994-03-08 |
| 5288603 | High chloride silver iodohalide emulsions containing an increased proportion of iodide | Carlos A. Reyes, Martin McMillan | 1994-02-22 |
| 5284744 | Non-ultraviolet-absorbing peptizer for silver halide emulsions | — | 1994-02-08 |
| 5275930 | High tabularity high chloride emulsions of exceptional stability | — | 1994-01-04 |
| 5272052 | Process for the preparation of a grain stabilized high chloride tabular grain photographic emulsion (IV) | — | 1993-12-21 |
| 5264337 | Moderate aspect ratio tabular grain high chloride emulsions with inherently stable grain faces | — | 1993-11-23 |
| 5252452 | Process for the preparation of high chloride tabular grain emulsions | Yun Chang | 1993-10-12 |
| 5250408 | Chloride containing tabular grains with holes and process for their preparation | Yun Chang | 1993-10-05 |
| 5238804 | High bromide chloride containing silver iodohalide emulsions exhibiting an increased proportion of iodide | Carlos A. Reyes, Martin McMillan | 1993-08-24 |
| 5221602 | Process for the preparation of a grain stabilized high chloride tabular grain photographic emulsion (I) | — | 1993-06-22 |
| 5217858 | Ultrathin high chloride tabular grain emulsions | — | 1993-06-08 |
| 5185239 | Process for the preparation of high chloride tabular grain emulsions (IV) | — | 1993-02-09 |
| 5183732 | Process for the preparation of high chloride tabular grain emulsions (V) | — | 1993-02-02 |
| 5178998 | Process for the preparation of high chloride tabular grain emulsions (III) | Yun Chang | 1993-01-12 |
| 5178997 | Process for the preparation of high chloride tabular grain emulsions (II) | — | 1993-01-12 |
| 5176992 | Process for the preparation of a grain stabilized high chloride tabular grain photographic emulsion (II) | Yun Chang | 1993-01-05 |
| 5061617 | Process for the preparation of high chloride tabular grain emulsions | — | 1991-10-29 |
| 4942120 | Modified peptizer twinned grain silver halide emulsions and processes for their preparation | Scott A. King, Philip I. Rose | 1990-07-17 |
| 4724200 | Emulsions and photographic elements containing silver halide grains having icositetrahedral crystal faces | — | 1988-02-09 |
| 4713323 | Chloride containing tabular grain emulsions and processes for their preparation employing a low methionine gelatino-peptizer | — | 1987-12-15 |