Granted Patent
Utility
US 4,286,055 · App. 06/126,295
Process for the preparation of monodisperse photographic silver halide emulsions of improved sensitivity
Inventors:
Ralf Förster, Rolf H. F. Metzger
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Mar 3, 1980
Inventors
Ralf Förster
Rolf H. F. Metzger
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.