Granted Patent
Utility
US 5,478,935 · App. 08/321,492
Process for the preparation of hydroxyphenyl-1,3,5-triazines
Inventors:
Dieter Reinehr, Jean-Pierre Bacher
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Oct 12, 1994
Inventors
Dieter Reinehr
Jean-Pierre Bacher
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.