Granted Patent
Utility
US 6,011,119 · App. 08/684,195
Resin composition for electrophotographic toner, and toner
Inventors:
Katsuru Matsumoto, Nobuhiro Hirayama, Eishi Tanaka, Junko Tobita
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Jul 19, 1996
Inventors
Katsuru Matsumoto
Nobuhiro Hirayama
Eishi Tanaka
Junko Tobita
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.