Granted Patent
Utility
US 5,602,220 · App. 08/596,230
Free radical polymerisation process
Inventors:
David M. Haddleton, Andrew Victor Graham Muir
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Feb 9, 1996
Inventors
David M. Haddleton
Andrew Victor Graham Muir
Assignee (at issue)
Zeneca Limited
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.