Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922527 | Image toners for silver halide photographic films | Richard R. Ollmann, Alexis S. Zinn-Warner, Robert James Domett Nairne, A. L. Beck, Andrew Mott | 1999-07-13 |
| 5556742 | Noble metal complexes to sensitize silver halide emulsions | Peter R. Johns, Peter D. Sills | 1996-09-17 |
| 5041550 | Infra-red sensitizing dyes for silver halide | Bernard A. Lea, Ronald W. Burrows, Thomas D. G. Hellings, Ivan H. Skoog | 1991-08-20 |
| 5032486 | Method for forming printing plates and plate-making element | Michael G. Weeks | 1991-07-16 |
| 4959294 | Infra-red sensitising dyes for silver halide | Bernard A. Lea, Ronald W. Burrows, Thomas D. G. Hellings, Ivan H. Skoog | 1990-09-25 |