Granted Patent
Utility
US 4,335,017 · App. 05/858,798
Composite materials comprising deformable xerogel within the pores of particulate rigid supports useful in chromatography
Inventors:
Brynley J. Miles, Alan Rosevear
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Dec 8, 1977
Inventors
Brynley J. Miles
Alan Rosevear
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.