Granted Patent
Utility
US 4,284,727 · App. 06/080,079
Process for treating anion exchange resins
Inventors:
Eugene J. Boros, David W. Peck
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Sep 28, 1979
Inventors
Eugene J. Boros
David W. Peck
Assignee (at issue)
Union Carbide Corporation
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.