Granted Patent
Utility
US 5,286,621 · App. 07/935,300
Method for the preparation of tabular emulsion grains rich in chloride
Inventor:
Ann Verbeeck
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Aug 26, 1992
Inventor
Ann Verbeeck
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.