Granted Patent
Utility
US 4,226,977 · App. 05/690,768
Process for separating a ketose from an aldose by selective adsorption
Inventors:
Richard W. Neuzil, James W. Priegnitz
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: May 27, 1976
Inventors
Richard W. Neuzil
James W. Priegnitz
Assignee (at issue)
UOP LLC
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.