Granted Patent
Utility
US 5,206,319 · App. 07/746,712
Process for preparing a toner resin, toner resin prepared thereby and toner composition containing particles of the toner resin
Inventors:
Nobuki Kobayashi, Richard L. Hively
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Aug 19, 1991
Inventors
Nobuki Kobayashi
Richard L. Hively
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.