Granted Patent
Utility
US 4,638,079 · App. 06/692,080
Inhibiting polymerization of ethylenically unsaturated monomers
Inventors:
Ervin B. Inskip, Joseph M. Patane
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Jan 17, 1985
Inventors
Ervin B. Inskip
Joseph M. Patane
Assignee (at issue)
MALLINCKRODT 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.