Granted Patent
Utility
US 4,752,561 · App. 06/861,311
Light-sensitive silver halide photographic material incorporating metal complex with high quenching constant and an oil soluble dye
Inventors:
Toyoki Nishijima, Kaoru Onodera
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: May 9, 1986
Inventors
Toyoki Nishijima
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.