Granted Patent
Utility
US 4,521,378 · App. 06/473,433
Fluid bed reactor system composed of cylindrical reaction vessel equipped with distribution plate and agitator
Inventors:
Mitsunori Ichimura, Ryoichi Yamamoto, Katsutoshi Horimoto
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Mar 9, 1983
Inventors
Mitsunori Ichimura
Ryoichi Yamamoto
Katsutoshi Horimoto
Assignee (at issue)
Mitsui Petrochemical Industries, 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.