Granted Patent
Utility
US 4,666,963 · App. 06/877,912
Substituted aminoxy succinate stabilizer for polymers
Inventors:
Ramanathan Ravichandran, Thomas E. Snead
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Jun 24, 1986
Inventors
Ramanathan Ravichandran
Thomas E. Snead
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.