Granted Patent
Utility
US 4,472,496 · App. 06/454,871
Process for preparing silver halide emulsion
Inventors:
Shigeo Tanaka, Kaoru Onodera
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Dec 30, 1982
Inventors
Shigeo Tanaka
Kaoru Onodera
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.