Granted Patent
Utility
US 4,696,964 · App. 06/850,810
Compositions stabilized with ethers of di- and tri-substituted hydroxylamines
Inventor:
Ramanathan Ravichandran
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Apr 11, 1986
Inventor
Ramanathan Ravichandran
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.