Granted Patent
Utility
US 5,468,585 · App. 08/363,267
Resin composition for use in an electrophotographic toner
Inventors:
Katsuru Matsumoto, Nobuhiro Hirayama, Shoji Kawasaki, Kenji Uchiyama, Katsuo Uramoto, Tamami Fukui
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Dec 23, 1994
Inventors
Katsuru Matsumoto
Nobuhiro Hirayama
Shoji Kawasaki
Kenji Uchiyama
Katsuo Uramoto
Tamami Fukui
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.