Granted Patent
Utility
US 4,632,976 · App. 06/724,635
Process for the continuous discharge of a slurry
Inventors:
Tadashi Asanuma, Tatuo Ohoka, Nobutaka Uchikawa
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Apr 16, 1985
Inventors
Tadashi Asanuma
Tatuo Ohoka
Nobutaka Uchikawa
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.