Granted Patent
Utility
US 4,830,955 · App. 07/041,700
Silver halide photographic light-sensitive material and method of processing thereof utilizing hydroxy azaindene compounds
Inventors:
Makoto Kajiwara, Kaoru Onodera
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Apr 21, 1987
Inventors
Makoto Kajiwara
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.