Granted Patent
Utility
US 4,258,149 · App. 05/018,818
Process for curing saturated polymers using divinyl hydantoin coagents
Inventors:
Hyman W. Zussman, Martin Knell, Martin Dexter
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Mar 8, 1979
Inventors
Hyman W. Zussman
Martin Knell
Martin Dexter
Assignee (at issue)
Ciba-Geigy
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.