Granted Patent
Utility
US 4,863,982 · App. 07/217,100
Isocyanuric acid derivatives
Inventors:
Werner Stegmann, Eduard Troxler, Peter Hofmann, Hans-Rudolf Meier, Paul Dubs
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jul 6, 1988
Inventors
Werner Stegmann
Eduard Troxler
Peter Hofmann
Hans-Rudolf Meier
Paul Dubs
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.