Granted Patent
Utility
US 5,268,401 · App. 07/690,015
Piperidine-triazine compounds for use as stabilizers for organic materials
Inventor:
Roberto Scrima
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Apr 23, 1991
Inventor
Roberto Scrima
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.