Granted Patent
Utility
US 5,514,738 · App. 08/374,058
1-hydrocarbyloxy-piperidine compounds containing silane groups for use as stabilizers for organic materials
Inventors:
Valerio Borzatta, Primo Carrozza, Ramanathan Ravichandran
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Jan 19, 1995
Inventors
Valerio Borzatta
Primo Carrozza
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.