Granted Patent
Utility
US 4,385,991 · App. 06/192,831
Affinity chromatography separation process
Inventors:
Alan Rosevear, Patrick Mattock
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Oct 1, 1980
Inventors
Alan Rosevear
Patrick Mattock
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.