Granted Patent
Utility
US 6,336,347 · App. 09/472,145
Process for producing silica by decomposition of an organosilane
Inventors:
Giacomo Roba, Marco Arimondi
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Dec 27, 1999
Inventors
Giacomo Roba
Marco Arimondi
Assignee (at issue)
Pirelli Cavi e Sistemi S.p.A.
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.