Granted Patent
Utility
US 4,246,366 · App. 06/047,954
Mixtures of glycidylated hydantoins and polyhydric phenols and the use thereof for the preparation of plastics
Inventors:
Rolf Schmid, Andre Schmitter, Ferdinand Gutekunst, Friedrich Lohse
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Jun 11, 1979
Inventors
Rolf Schmid
Andre Schmitter
Ferdinand Gutekunst
Friedrich Lohse
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.