Granted Patent
Utility
US 4,495,261 · App. 06/453,281
Electrophotographic substituted p,p'-bisazo diphenyl acrylonitrile compounds for photoreceptors
Inventors:
Jiro Takahashi, Tawara Komamura, Kiyoshi Sawada, Ssamu Sasaki, Satoshi Goto, Akira Kinoshita
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: Dec 27, 1982
Inventors
Jiro Takahashi
Tawara Komamura
Kiyoshi Sawada
Ssamu Sasaki
Satoshi Goto
Akira Kinoshita
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.