Granted Patent
Utility
US 4,686,178 · App. 06/825,766
Silver halide photographic emulsion and a process for the preparation thereof
Inventors:
Chiba Honda, Koichi Ueda, Akio Suzuki
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Feb 3, 1986
Inventors
Chiba Honda
Koichi Ueda
Akio Suzuki
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.