Granted Patent
Utility
US 4,707,434 · App. 06/765,592
Color image forming method comprising processing with a bleach-fixing solution
Inventors:
Shigeharu Koboshi, Moeko Higuchi
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Aug 14, 1985
Inventors
Shigeharu Koboshi
Moeko Higuchi
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.