Granted Patent
Utility
US 6,454,969 · App. 09/601,701
Silicon-containing flame retardant
Inventor:
Hajime Nishihara
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Aug 4, 2000
Inventor
Hajime Nishihara
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.