Granted Patent
Utility
US 4,518,686 · App. 06/500,963
Color photographic light-sensitive material containing UV filter compounds
Inventors:
Masao Sasaki, Kaoru Onodera
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Jun 3, 1983
Inventors
Masao Sasaki
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.