Granted Patent
Utility
US 4,663,480 · App. 06/741,383
Inhibiting polymerization of ethylenically unsaturated monomers with Mn(NO.sub.2).sub.2
Inventors:
Ervin B. Inskip, Douglas C. Caskey, William E. Dummitt
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Jun 5, 1985
Inventors
Ervin B. Inskip
Douglas C. Caskey
William E. Dummitt
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.