Granted Patent
Utility
US 5,498,517 · App. 08/315,449
Process for the preparation of a hybrid direct positive emulsion and photographic material containing such an emulsion
Inventors:
Ann Verbeeck, Kris Viaene
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Sep 30, 1994
Inventors
Ann Verbeeck
Kris Viaene
Assignee (at issue)
Agfa-Gevaert NV
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.