Granted Patent
Utility
US 5,387,683 · App. 08/175,801
Hydroxyphenyl-1,3,5-triazines
Inventors:
Kurt Burdeska, Gerhard Reinert, Dieter Reinehr
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Dec 30, 1993
Inventors
Kurt Burdeska
Gerhard Reinert
Dieter Reinehr
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.