Granted Patent
Utility
US 4,591,549 · App. 06/651,067
Process for preparing silver halide emulsions
Inventors:
Syoji Matsuzaka, Makoto Kajiwara, Masanobu Miyoshi, Kiyoshi Yamashita
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Sep 14, 1984
Inventors
Syoji Matsuzaka
Makoto Kajiwara
Masanobu Miyoshi
Kiyoshi Yamashita
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.