Granted Patent
Utility
US 4,678,852 · App. 06/710,621
Process for reacting cyanuric chloride with ammonia or with amines
Inventors:
Marianne Punzar, Franz Marti, Robert Mercier, Paul Tobler, Rudolf Buttiker
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Oct 30, 1984
Inventors
Marianne Punzar
Franz Marti
Robert Mercier
Paul Tobler
Rudolf Buttiker
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.