Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691129 | Zeromethine merocyanine dyes useful as spectral sensitizers in photographic elements | Dietrich M. Fabricius, James J. Welter | 1997-11-25 |
| 5587482 | Zeromethine merocyanine dyes useful as spectral sensitizers in photographic elements | Dietrich M. Fabricius, James J. Welter | 1996-12-24 |