Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007974 | Silver halide element containing triazole inhibitors | William J. Begley, Frank D. Coms, Teh-Hsuan Chen | 1999-12-28 |
| 5962656 | Indazole containing coupler | William J. Begley, Teh-Hsuan Chen, Frank D. Coms | 1999-10-05 |
| 5912110 | Photographic coupler capable of releasing a photographically useful group | William J. Begley, Teh-Hsuan Chen, Frank D. Coms | 1999-06-15 |
| 5834604 | Photographic element containing a coupler capable of releasing a photograpically useful group through a pyrazole group | William J. Begley, Frank D. Coms, Teh-Hsuan Chen | 1998-11-10 |
| 5719017 | Photographic element containing a coupler capable of releasing a photographically useful group through a pyrazole group | William J. Begley, Frank D. Coms, Teh-Hsuan Chen | 1998-02-17 |
| 5686234 | Photographic element containing a coupler capable of releasing a photographically useful group | William J. Begley, Teh-Hsuan Chen, Frank D. Coms | 1997-11-11 |
| 5670301 | Photographic element containing a coupler capable of releasing a photographically useful group | William J. Begley, Teh-Hsuan Chen, Frank D. Coms | 1997-09-23 |
| 5358828 | Photographic element and process comprising a bleach accelerator releasing compound | William J. Begley, Stephen P. Singer, David T. Southby | 1994-10-25 |
| 5318879 | Photographic element comprising a bleach accelerator releasing compound | William J. Begley, Stephen P. Singer, David T. Southby | 1994-06-07 |
| 5306607 | Photographic material and process comprising a pyrazolotriazole moiety | William J. Begley, Teh-Hsuan Chen, Frank D. Coms | 1994-04-26 |
| 5286859 | Method of forming a photographic washout coupler (BARC) using a strong base | William J. Begley | 1994-02-15 |
| 5264583 | Photographic coupler and method of making the same | William J. Begley | 1993-11-23 |
| 4677425 | Apparatus for detecting metal debris particles | — | 1987-06-30 |