Granted Patent
Utility
US 4,530,992 · App. 06/558,525
Aromatic oligomers and resins
Inventor:
Michael Edward Jones
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Dec 6, 1983
Inventor
Michael Edward Jones
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES 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.