Granted Patent
Utility
US 4,401,804 · App. 06/381,128
Deactivation of polyester catalyst residues
Inventors:
Willis C. Wooten, Joseph S. Zannucci
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: May 24, 1982
Inventors
Willis C. Wooten
Joseph S. Zannucci
Assignee (at issue)
EASTMAN KODAK COMPANY
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.